Sigma Software

Join a team building a large-scale marketplace platform used by millions of customers worldwide. We are looking for a .NET Developer with strong expertise in distributed systems, cloud-native technologies, and event-driven architecture to help evolve a modern E-commerce ecosystem.

Customer

Our Customer is an industry-leading marketplace specializing in pet products, with a strong online presence and a massive product catalog. The company focuses on delivering seamless digital shopping experiences through scalable technology solutions and reliable operational systems supporting millions of users and transactions.

Project

The project focuses on the development and optimization of a high-performance marketplace platform designed to enhance the online shopping experience. The team is responsible for core systems managing catalogs, pricing, inventory, suppliers, and related operational services.

The platform is built as a large-scale distributed ecosystem leveraging event-driven architecture, cloud-native infrastructure, and multiple data storage technologies to ensure scalability, low latency, and fault tolerance across substantial data volumes.

Responsibilities

• Design, develop, and maintain robust backend solutions using the .NET Framework (4.8)
• Take full ownership of features throughout the entire lifecycle - from requirements breakdown to production deployment
• Write clean, maintainable, and well-tested code following best engineering practices
• Maintain, optimize, and troubleshoot messaging and service-oriented architectures built with MSMQ and WCF
• Design, optimize, and maintain complex queries and database structures in SQL Server
• Implement and manage distributed caching strategies using NCache to ensure high availability and low latency
• Collaborate closely with cross-functional teams 

Requirements

• 4+ years of software development experience with strong OOP, system design, and architectural skills
• Solid knowledge of .NET Framework 4.8 and C#
• Hands-on experience with MSMQ and WCF
• Solid knowledge of SQL Server (experience with relational database design, query optimization, indexing, and T-SQL)
• Proven experience with NCache or similar distributed caching solutions
• Understanding of modern testing principles (unit, integration, and performance testing)
• Familiarity with non-functional system requirements (performance tuning, security, scalability, and high availability)
• Upper-Intermediate English level or higher

Company Description

Are you a Senior Data Engineer passionate about building scalable, high-performance data platforms and working with modern Lakehouse technologies? Join Sigma Software’s Data Engineering Center of Excellence and contribute to the modernization of an enterprise-scale analytics ecosystem for the retail domain.
We are looking for a Senior specialist with strong Databricks, PySpark, and cloud data engineering expertise to participate in the migration of a large-scale analytical platform from BigQuery to Databricks. You will collaborate with international teams, contribute to architectural decisions, and help shape reliable and scalable data solutions.
We at Sigma Software create opportunities for continuous learning, technology growth, and meaningful engineering impact while working on complex international projects.

CUSTOMER

Our Customer is a leading retail technology company specializing in AI-driven pricing optimization solutions for enterprise retailers. The company helps businesses improve profitability and competitiveness through advanced analytics, automation, and intelligent pricing strategies. Their platform combines business intelligence with sophisticated algorithms to support data-informed pricing decisions at scale for global retail organizations.

PROJECT

The project focuses on the strategic migration of a large-scale analytical platform from a legacy BigQuery ecosystem to a modern Databricks Lakehouse architecture. The platform processes high-volume retail datasets, machine learning workloads, analytics pipelines, and customer-specific business logic.
As part of the modernization initiative, the engineering team is implementing scalable Spark-based processing, Delta Lake architecture, medallion data layers, and modern governance practices. The role offers an opportunity to work with distributed data processing systems, optimize large-scale workloads, and contribute to the evolution of an enterprise-grade data platform.

Key Technologies: Databricks, Apache Spark, PySpark, Delta Lake, Python, SQL, Airflow, GCP, CI/CD, Unity Catalog

Job Description

• Participate in the migration of a large-scale analytical platform from BigQuery to Databricks
• Design and implement scalable Lakehouse architectures using Databricks and Delta Lake
• Analyze existing ETL / ELT workloads and define migration approaches
• Develop and optimize data pipelines processing large volumes of retail and analytical data
• Implement incremental processing strategies and scalable transformation frameworks
• Build and maintain Spark-based data processing solutions using PySpark
• Design and maintain medallion architecture layers including Bronze, Silver, and Gold
• Implement data governance and security best practices using Unity Catalog
• Collaborate with Data Science, Analytics, Product, and Customer Engineering teams
• Participate in architecture discussions and technical solution design
• Develop reusable data platform components and engineering standards
• Conduct code reviews and contribute to platform reliability and maintainability
• Troubleshoot and optimize complex SQL and Spark workloads
• Support production deployments and platform modernization activities

Qualifications

• 5+ years of professional experience as a Data Engineer
• Strong programming skills in Python and advanced SQL
• Hands-on commercial experience with Databricks
• Strong knowledge of Apache Spark, primarily PySpark
• Experience designing and building modern cloud-based data platforms
• Experience developing ETL / ELT pipelines and large-scale data processing solutions
• Hands-on experience with Delta Lake
• Experience with Spark Declarative Pipelines
• Experience with cluster monitoring, metrics analysis, and performance optimization
• Strong understanding of distributed data processing architectures
• Solid understanding of data warehousing concepts and dimensional modeling
• Experience with Airflow or similar orchestration tools
• Experience optimizing complex analytical SQL workloads
• Experience implementing CI / CD practices for data engineering platforms
• Strong troubleshooting and performance optimization skills
• Ability to work collaboratively in cross-functional international teams
• Upper-Intermediate or higher English level

WILL BE A PLUS

• Experience working with GCP cloud services
• Experience with AWS or Azure cloud platforms
• Experience in retail analytics or pricing optimization domains
• Experience supporting machine learning or AI-related data workloads
• Experience with platform modernization and cloud migration initiatives

Additional information

PERSONAL PROFILE

• Strong analytical and problem-solving mindset
• Proactive and ownership-driven approach
• Ability to work independently and collaboratively
• Good communication and stakeholder collaboration skills
• Passion for scalable data engineering and modern data platforms
• Interest in continuous learning and technology innovation

Are you passionate about building AI-powered solutions that solve real business challenges? We are looking for a Middle AI Engineer to join our fully remote team and contribute to the development of advanced intelligent documentation platforms for the telecommunications domain.

At Sigma Software, we work with global Customers on innovative projects that combine modern engineering practices with cutting-edge AI technologies. In this role, you will participate in the full development lifecycle, from research and architecture discussions to implementation and deployment of scalable AI-enabled solutions.

Why join us? You will have the opportunity to work with modern LLM orchestration frameworks, cloud-native infrastructure, and enterprise-scale AI integrations while growing professionally in a collaborative and flexible environment.
 

CUSTOMER

Our Customer is a European telecommunications company focused on digital transformation and intelligent content management solutions. Together, we are developing AI-powered tools that optimize documentation workflows, automate content generation, and improve operational efficiency through modern agent-based AI systems and scalable enterprise infrastructure.
 

PROJECT

The project focuses on developing advanced AI-driven documentation solutions powered by large language models, orchestration frameworks, and cloud-native backend services. The platform integrates AI capabilities with internal and third-party systems while maintaining high standards of scalability, observability, and engineering quality.

This role combines AI engineering, Back-end development, and partial Full-Stack collaboration, giving you the opportunity to contribute across APIs, integrations, frontend features, and AI-enabled workflows in a modern Agile environment.

Job Description

• Participate in research and development activities for AI-driven documentation solutions
• Take ownership of features from concept through implementation and deployment
• Develop and maintain backend services and REST APIs using Python and modern async frameworks
• Integrate AI capabilities and agent-based workflows into existing platforms and services
• Collaborate on frontend functionality using React, TypeScript, and Vite where required
• Work with LLM orchestration frameworks and AI tooling integrations
• Ensure system reliability, scalability, observability, and maintainability
• Collaborate closely with AI engineers, frontend developers, product managers, and designers
• Participate actively in Agile ceremonies including sprint planning, refinements, demos, and stand-ups
• Contribute to CI/CD pipelines, deployment automation, and Kubernetes-based infrastructure
• Troubleshoot and resolve issues across frontend, backend, and infrastructure layers
• Continuously evaluate and adopt emerging AI technologies and engineering best practices

Qualifications

• At least 3 years of commercial software development experience
• Solid experience with Python and async web frameworks such as FastAPI
• Experience with React and TypeScript
• Experience with LangChain, LangGraph, or similar LLM orchestration frameworks
• Familiarity with AI tool integration protocols and agentic workflows
• Experience with cloud infrastructure
• Strong experience building and maintaining REST APIs
• Experience with relational databases and ORMs, preferably PostgreSQL
• Practical experience writing automated tests using frameworks such as pytest or Playwright
• Hands-on experience with Docker and Kubernetes environments
• Understanding of CI/CD pipelines and deployment workflows
• Ability to debug issues across the full application stack
• Strong Git skills and experience working in code-review-driven environments
• Experience working in Agile teams

• Upper-Intermediate level of English

   

WILL BE A PLUS

• Experience with Helm
• Experience with observability tooling such as Grafana, OpenTelemetry, or CloudWatch
• Experience integrating enterprise authentication systems such as OAuth2/OIDC or Keycloak
• Experience developing editor or IDE extensions
• Experience using AI coding assistants in daily development workflows
• Experience with enterprise-scale AI platforms
• Experience with cloud-native distributed systems
• Exposure to AI-assisted developer tooling
• Experience contributing to architecture decisions
• Knowledge of documentation tooling ecosystems

Join a product-focused engineering team developing solutions for the European construction industry. We are looking for a Middle/Senior .NET Developer who is ready to contribute not only to implementation but also to architecture discussions, technical improvements, and product evolution.

CUSTOMER

Our Customer is a European technology company specializing in solutions for construction site security, access management, and operational transparency. Over the past 15+ years, the company has evolved from a smart-lock product into a large ecosystem of web, mobile, and server-side solutions supporting construction businesses across Europe. The engineering organization includes distributed international teams and long-term collaboration with Sigma Software specialists.

PROJECT

The project is part of a large-scale product ecosystem designed for the European construction market. The platform helps construction companies manage access control, subcontractor relationships, security compliance, and operational risks across construction sites.

In this role, you will contribute to a system focused on analyzing companies involved in the construction process. The product enables site operators to monitor subcontractors, maintain compliance standards, and reduce long-term reputational and operational risks. 

Project technologies: C#, .NET, REST APIs, SOAP, MS SQL Server, Entity Framework, Kafka, Angular, TypeScript, Azure.

Job Description

• Design, develop, and maintain robust Back-end solutions using C# and .NET
• Participate in architecture discussions and contribute to technical solution design
• Develop and integrate RESTful APIs and SOAP web services
• Work on core modules development and perform refactoring when necessary
• Collaborate closely with developers, QA engineers, DevOps specialists, architects, and Product Owners
• Clarify business and technical requirements with internal and Customer-side teams
• Write and maintain unit, API, and integration tests
• Participate in peer code reviews and follow engineering best practices
• Investigate and introduce new technologies and technical improvements
• Troubleshoot issues across application, infrastructure, and database layers
• Prepare and maintain technical documentation
• Contribute to Front-end-related tasks using Angular and TypeScript when needed

Qualifications

• 4+ years of commercial software development experience with C# and .NET
• Strong experience designing, developing, and integrating Web APIs, including RESTful APIs and SOAP services
• Solid understanding of OOP, SOLID principles, and common design patterns
• Strong knowledge of Microsoft SQL Server and T-SQL
• Practical experience with LINQ, ADO.NET, and Entity Framework
• Experience working with event-driven systems and message brokers
• Experience writing and maintaining unit, API, and integration tests
• Experience with Angular or another modern Front-end framework/library
• Good knowledge of TypeScript
• Understanding of Front-end architecture, maintainability, and performance optimization
• Strong troubleshooting and debugging skills across application, database, and infrastructure layers
• Confident Git usage, including branching strategies, pull requests, and code reviews
• Intermediate or higher English level
• Strong communication skills and ability to work collaboratively in a cross-functional environment

Wіll be a plus:

• Experience with NoSQL databases
• Experience using AI-assisted development tools such as GitHub Copilot or Claude

Are you a proactive and people-oriented professional who enjoys bringing structure to dynamic environments? We are looking for a Project Coordinator to support project delivery, team collaboration, and operational excellence across international projects.

This is a fully remote opportunity for specialists with 1–2 years of experience who want to grow in project coordination, Agile practices, and people-focused operations. You will work closely with Project Managers, Account Managers, and Resource Management teams while contributing to high-performing delivery processes.

We at Sigma Software collaborate with global Customers and foster a culture of continuous improvement, transparency, and professional growth. Why join us? You will gain hands-on experience in Agile environments, work with modern collaboration and AI-powered tools, and develop competencies that can grow into Scrum Master and delivery management expertise.

Sigma Software partners with diverse international Customers across multiple industries, helping them build innovative digital products and scalable technology solutions. Our teams work in collaborative Agile environments focused on quality delivery, operational efficiency, and continuous learning while supporting long-term professional growth for employees.

You will become part of a fast-paced project environment focused on coordination, communication, and team enablement. The role combines project support activities, recruitment coordination, and people-oriented initiatives to ensure effective collaboration and successful delivery outcomes across distributed teams.

The project environment emphasizes Agile methodologies, transparent communication, process optimization, and continuous improvement. You will also contribute to operational efficiency initiatives using modern collaboration platforms and AI-powered tools.

Job Description

• Collaborate with Project Managers, Account Managers, and the Resource Manager to support efficient project delivery
• Coordinate project lifecycle activities including project kick-offs, handovers, and closures
• Monitor team morale and support healthy team dynamics through regular communication and feedback activities
• Conduct meetings and support team members in people-related matters
• Participate in performance review activities and contribute to employee development discussions
• Coordinate recruitment activities including interview scheduling and candidate communication
• Prepare and maintain project documentation including status reports, schedules, meeting agendas, and meeting minutes
• Facilitate communication and collaboration between teams and stakeholders
• Support decision tracking and follow-up activities
• Participate in continuous improvement initiatives and project management best practices
• Assist in optimizing operational processes using AI-powered tools and automation approaches

Qualifications

• 1–2 years of experience in a Project Coordinator, PM Assistant, Team Coordinator, or similar role
• Good spoken and written English
• Strong communication and interpersonal skills
• Excellent organizational and time-management skills
• Ability to multitask and prioritize effectively
• Ability to work independently with minimal supervision
• Strong analytical and problem-solving mindset
• Experience working in Agile or Scrum-based environments
• Hands-on experience using AI tools to improve workflows or operational efficiency
• Experience supporting recruitment processes or people management activities
• Proactive and collaborative attitude

WILL BE A PLUS

• Understanding of Scrum Master responsibilities and Agile facilitation practices
• Experience working with international distributed teams
• Familiarity with Jira, Confluence, Miro, or similar collaboration tools
• Experience contributing to process improvement initiatives
• Background in IT outsourcing or software development environments

PERSONAL PROFILE

• Proactive and people-oriented personality
• Ability to create structure and clarity in dynamic environments
• Strong team-support mindset
• Positive and solution-oriented attitude
• Growth mindset and adaptability
• Passion for continuous learning and self-improvement
• Strong sense of ownership and responsibility

Join a fast-growing international project where your work will impact mobile products used by millions of users worldwide. We are looking for a Middle/Senior React Native Developer with strong mobile expertise and a product-oriented mindset to strengthen our distributed team.

At Sigma Software, you will collaborate with experienced engineers to build scalable and high-performing applications for the iGaming domain.

Why join us? We offer the opportunity to work with modern technologies, influence product development decisions, and grow professionally in a collaborative engineering culture.

CUSTOMER

Our Customer is one of Europe’s largest GameTech companies and the owner of one of the biggest mobile gambling platforms with millions of active users worldwide. The company combines enterprise-scale products with a startup-like approach to innovation and product delivery.

PROJECT

You will join a team developing modern mobile applications for globally recognized iGaming brands. The project focuses on delivering high-quality user experiences, supporting new product launches, and expanding existing brands into new international markets. The team follows a mobile-first approach and values ownership, collaboration, and engineering excellence.

Responsibilities:

• Develop and maintain React Native applications for iOS and Android platforms
• Ensure smooth and engaging mobile user experiences
• Collaborate with cross-functional teams to deliver high-quality solutions
• Improve and maintain existing applications with a product-oriented mindset
• Contribute to launching new brands and expanding products into new markets
• Participate in technical discussions and suggest improvements across the development process

• Take ownership of application quality, performance, and stability

   

Requirements:

• 3+ years of commercial experience with React Native development
• Strong knowledge of React and React Native
• Experience with TypeScript
• Knowledge of GraphQL
• Experience with GitHub or other version control systems
• Understanding of mobile-first development principles
• Experience working with iOS and Android applications

• Upper-Intermediate level of English

   

Will be a plus:

• Experience writing unit tests
• Understanding of native mobile development
• Experience working in product-oriented teams

• Knowledge of CI/CD practices for mobile applications

   

Personal profile:

• Strong ownership mindset
• Team-oriented approach to development
• Proactive communication skills
• Attention to detail and quality
• Ability to drive initiatives independently
• Willingness to learn and share knowledge

_____________________________________________________________

Приєднуйся до міжнародного проєкту, що стрімко розвивається, де твоя робота впливатиме на мобільні продукти, якими користуються мільйони людей по всьому світу. Ми шукаємо Middle/Senior React Native Developer із сильною мобільною експертизою та product-oriented mindset для посилення нашої distributed team.

У Sigma Software ти співпрацюватимеш із досвідченими інженерами над створенням масштабованих і високопродуктивних застосунків для сфери iGaming.

Чому варто приєднатися до нас? Ми пропонуємо можливість працювати з сучасними технологіями, впливати на продуктові рішення та професійно зростати в collaborative engineering culture.

Клієнт

Наш клієнт — одна з найбільших GameTech-компаній у Європі та власник однієї з найбільших мобільних gambling-платформ із мільйонами активних користувачів у всьому світі. Компанія поєднує enterprise-рівень продуктів зі startup-підходом до інновацій та delivery процесів.

Проєкт

Ти приєднаєшся до команди, яка розробляє сучасні мобільні застосунки для всесвітньо відомих iGaming-брендів. Проєкт зосереджений на створенні якісного user experience, підтримці запуску нових продуктів і розвитку існуючих брендів на міжнародних ринках. Команда дотримується mobile-first підходу та цінує ownership, collaboration і engineering excellence.

Обовʼязки:

• Розробляти та підтримувати React Native застосунки для платформ iOS та Android
• Забезпечувати плавний і захопливий mobile user experience
• Співпрацювати з cross-functional командами для створення високоякісних рішень
• Покращувати та підтримувати існуючі застосунки з product-oriented mindset
• Долучатися до запуску нових брендів і розширення продуктів на нові ринки
• Брати участь у технічних обговореннях і пропонувати покращення процесів розробки

• Брати відповідальність за якість, продуктивність і стабільність застосунків

   

Вимоги:

• 3+ роки комерційного досвіду розробки з React Native
• Глибокі знання React та React Native
• Досвід роботи з TypeScript
• Знання GraphQL
• Досвід роботи з GitHub або іншими системами контролю версій
• Розуміння принципів mobile-first development
• Досвід роботи із застосунками для iOS та Android

• Рівень англійської — Upper-Intermediate

   

Буде перевагою:

• Досвід написання unit tests
• Розуміння native mobile development
• Досвід роботи в product-oriented командах

• Знання CI/CD practices для мобільних застосунків

   

Особистий профіль:

• Сильний ownership mindset
• Командний підхід до розробки
• Проактивні комунікаційні навички
• Уважність до деталей та якості
• Здатність самостійно драйвити ініціативи
• Бажання навчатися та ділитися знаннями

Are you passionate about turning data into actionable insights? We are looking for a Senior BI Engineer to join our Data & Analytics team and help shape reporting, dashboarding, and data-driven decision-making across diverse business and potentially government-related projects.

This is a Senior-level role with hybrid or remote work options, offering flexibility and opportunities to collaborate with talented professionals worldwide. The ideal candidate has strong hands-on experience with BI tools, advanced SQL, data modeling, and close collaboration with business stakeholders. This role requires not only technical expertise but also the ability to understand business needs, translate them into clear reporting solutions, and ensure data accuracy and reliability.

At Sigma Software, we value innovation, precision, and teamwork, and we provide a supportive environment where your expertise can make a real impact.

Why join us? You’ll work on meaningful projects, gain exposure to different domains, and enjoy benefits such as professional growth opportunities, a global team culture, and access to cutting-edge technologies.

Responsibilities:

— Design, build, and maintain BI reports and dashboards
— Analyze business requirements and translate them into reporting solutions
— Work with stakeholders to define KPIs, metrics, and data logic
— Write and optimize SQL queries
— Validate data accuracy and investigate inconsistencies
— Support data modeling and reporting layer improvements
— Collaborate with Data Engineers, Business Analysts, PMs, and customer-side stakeholders
— Prepare documentation for reports, metrics, and data sources
— Contribute to BI best practices within the unit

Requirements:

— 5+ years of experience in BI, data analytics, or data engineering-related roles
— Strong experience with Power BI, Tableau, Looker, or similar tools
— Advanced SQL skills
— Experience with data modeling, data structures, and data warehousing
— Understanding of ETL/ELT processes and data pipelines
— Experience with data cleaning, validation, and data quality control
— Ability to work with large datasets and complex business logic
— Good understanding of business reporting, KPIs, and dashboard design
— Experience working directly with stakeholders to gather requirements and clarify reporting needs
— Upper-Intermediate+ English level

Will be a plus:

— Experience with government, public sector, healthcare, finance, or other regulated domains
— Experience with Azure, AWS, Snowflake, BigQuery, Databricks, or Redshift
— Python or R for data analysis
— Experience with dbt, Airflow, Dagster, or similar tools
— Knowledge of data governance, access control, and compliance-related reporting
— Experience with Agile delivery

Чи захоплює вас перетворення даних на практичні інсайти? Ми шукаємо Senior BI Engineer, який приєднається до нашої команди Data & Analytics і допоможе формувати звітність, створювати дашборди та розвивати підхід до прийняття рішень на основі даних у різноманітних бізнес- та потенційно державних проєктах.

Це роль рівня Senior із можливістю гібридного або віддаленого формату роботи, що забезпечує гнучкість та можливість співпрацювати з талановитими професіоналами з усього світу. Ідеальний кандидат має значний практичний досвід роботи з BI-інструментами, поглиблені знання SQL, моделювання даних та досвід тісної взаємодії з бізнес-стейкхолдерами. Ця роль вимагає не лише технічної експертизи, але й здатності розуміти потреби бізнесу, трансформувати їх у зрозумілі рішення для звітності та забезпечувати точність і надійність даних.

У Sigma Software ми цінуємо інноваційність, точність і командну роботу та створюємо підтримуюче середовище, де ваші знання та досвід можуть мати реальний вплив.

Чому варто приєднатися до нас? Ви працюватимете над важливими проєктами, отримаєте досвід у різних доменах та матимете доступ до переваг, таких як можливості професійного розвитку, міжнародна командна культура та сучасні технології.

Обов’язки:

— Проєктувати, створювати та підтримувати BI-звіти та дашборди
— Аналізувати бізнес-вимоги та перетворювати їх на звітні рішення
— Працювати зі стейкхолдерами для визначення KPI, метрик та логіки даних
— Писати та оптимізувати SQL-запити
— Перевіряти точність даних та досліджувати невідповідності
— Підтримувати покращення моделювання даних та звітного шару
— Співпрацювати з Data Engineers, Business Analysts, PMs та стейкхолдерами з боку замовника
— Готувати документацію для звітів, метрик та джерел даних
— Вносити вклад у розвиток BI best practices у межах юніту

Вимоги:

— 5+ років досвіду у BI, data analytics або data engineering
— Досвід роботи з Power BI, Tableau, Looker чи подібними інструментами буде плюсом
— Просунуті навички роботи з SQL
— Досвід моделювання даних, роботи зі структурами даних та data warehousing
— Розуміння процесів ETL/ELT та data pipelines
— Досвід очищення, валідації та контролю якості даних
— Вміння працювати з великими наборами даних та складною бізнес-логікою
— Добре розуміння бізнес-звітності, KPI та дизайну дашбордів
— Досвід прямої роботи зі стейкхолдерами для збору вимог та уточнення звітних потреб
— Рівень англійської Upper-Intermediate+

Буде плюсом:

— Досвід роботи з урядовими, державними, медичними, фінансовими або іншими регульованими доменами
— Досвід роботи з Azure, AWS, Snowflake, BigQuery, Databricks або Redshift
— Python або R для аналізу даних
— Досвід роботи з dbt, Airflow, Dagster чи подібними інструментами
— Знання data governance, access control та звітності, пов’язаної з комплаєнсом
— Досвід роботи за Agile

Are you passionate about building reliable automation solutions for products that make an impact in healthcare?

We are seeking a Senior Test Automation Engineer with extensive experience in designing and implementing automated quality assurance strategies across desktop, web, and backend systems. This role focuses on developing scalable automation frameworks, validating application performance, integrating automated testing into CI/CD pipelines, and driving continuous quality improvement.

At Sigma Software, we offer the flexibility of working in a collaborative international environment, access to challenging technical projects, and opportunities for continuous professional growth. Why join us? You will help improve the quality and reliability of healthcare solutions, where stability and precision truly matter.

Project
Our client is a company operating in the healthcare/medical industry that specializes in developing desktop software solutions. The company builds large-scale desktop systems used in medical environments, with a strong focus on software quality, reliability, and stability.

Responsibilities

• Design, implement, and own end-to-end test automation strategies across desktop, web, and backend systems
• Develop and maintain scalable, reusable, and maintainable automated test frameworks
• Integrate automated testing into CI/CD pipelines and improve quality gates
• Perform functional, integration, system, UI, stress, load, and performance testing
• Collaborate closely with software engineers, architects, and product stakeholders to improve overall product quality
• Analyze test results, identify quality risks, and support defect resolution processes
• Contribute to continuous improvement of QA methodologies, tooling, and engineering practices
• Evaluate and implement modern automation tools and AI-assisted testing capabilities
• Support delivery of reliable software solutions within a regulated medical environment

• Participate in code reviews, technical discussions, and test strategy planning

   

Requirements

• 6+ years of hands-on experience in test automation engineering
• Strong expertise across multiple testing layers, including unit, integration, system, UI, performance, and stress testing
• Strong programming skills in at least one of the following languages: JavaScript/TypeScript or Python 
• Practical experience with modern test automation frameworks and tools such as Playwright, Cypress
• Experience with AI-assisted development and testing tools
• Experience working with CI/CD pipelines and version control systems
• Strong understanding of software development lifecycle and quality engineering best practices
• Experience designing scalable and maintainable automation frameworks
• Good analytical, troubleshooting, and communication skills
• Upper-Intermediate or higher English level

Will be a plus

• Experience with Java or C#
• Experience with Ranorex
• Penetration testing experience
• Experience working in regulated industries, especially healthcare or medical technology

• German language skills

   

Чи захоплюєтесь ви створенням надійних рішень для автоматизації тестування продуктів, які мають реальний вплив на сферу охорони здоров’я? 

Ми шукаємо Senior Test Automation Engineer із ґрунтовним досвідом у розробці та впровадженні стратегій автоматизованого забезпечення якості для desktop-, web- та backend-систем. Ця роль передбачає створення масштабованих фреймворків автоматизації, перевірку продуктивності застосунків, інтеграцію автоматизованого тестування в CI/CD-пайплайни та постійне вдосконалення процесів забезпечення якості.

У Sigma Software ми пропонуємо можливість працювати в міжнародному середовищі, брати участь у складних технічних проєктах і безперервно розвиватися професійно. Чому варто приєднатися до нас? Ви допомагатимете покращувати якість і надійність рішень для сфери охорони здоров’я, де стабільність і точність мають вирішальне значення.

Клієнт

Наш клієнт - компанія, що працює у сфері охорони здоров’я та медичних технологій і спеціалізується на розробці desktop-рішень. Вона створює великомасштабні програмні системи для медичних установ, приділяючи особливу увагу якості програмного забезпечення, його надійності та стабільності.
 

Обов’язки

• Проєктувати, впроваджувати та підтримувати масштабовані наскрізні (end-to-end) стратегії автоматизації тестування
• Розробляти та підтримувати фреймворки автоматизації тестування
• Створювати й оптимізувати quality gates у CI/CD та пайплайни автоматизованої валідації
• Виконувати stress-, load- та performance-тестування
• Тісно співпрацювати з розробниками, архітекторами та QA-інженерами для підвищення якості й надійності продукту
• Впроваджувати та використовувати AI-підхід до тестування й автоматизації там, де це доцільно
• Аналізувати результати тестування, виявляти вузькі місця та сприяти безперервному вдосконаленню якості
   

Вимоги

• Понад 6 років практичного досвіду в автоматизації тестування
• Глибока експертиза в різних рівнях тестування, включаючи unit, integration, system, UI, performance та stress testing
• Впевнене володіння принаймні однією з мов програмування: JavaScript/TypeScript or Python 
• Практичний досвід роботи із сучасними інструментами автоматизації тестування, такими як Playwright, Cypress
• Досвід використання AI-інструментів для розробки та тестування
• Досвід роботи з CI/CD-пайплайнами та системами контролю версій
• Практичний досвід використання GitLab CI або аналогічних CI/CD-платформ
• Глибоке розуміння методологій забезпечення якості програмного забезпечення та найкращих практик автоматизації тестування
• Розвинені аналітичні навички, навички пошуку й усунення проблем, а також ефективної комунікації
• Рівень англійської мови Upper-Intermediate або вище
   

Буде перевагою

• Досвід роботи з Java або C#
• Досвід роботи з Ranorex
• Досвід роботи в регульованих галузях
• Знання німецької мови

Are you passionate about building cutting-edge, AI-ready data platforms from the ground up? We are looking for a Senior Data Engineer to join our Data Engineering Team and lead high-impact, greenfield initiatives.

You will work on building modern cloud-native data platforms, migrating on-premises legacy systems to the cloud, and laying the architectural foundation for AI-ready data infrastructure.

In this role, you will collaborate closely with Machine Learning, Data Science, and Product teams, serving as a key technical contributor and thought leader. You will also drive R&D efforts around agentic AI architectures, event-driven systems, and LLM-ready data pipelines — turning architectural concepts into production-grade solutions.

Responsibilities:

• Design and build scalable, cloud-native data platforms from greenfield to production
• Implement near-real-time ingestion pipelines using event-driven patterns
• Define and enforce platform standards, including Data Lake / Lakehouse principles, medallion architecture, and data contracts
• Refactor and optimise existing Spark and PySpark scripts for performance and maintainability
• Introduce best practices for code quality, testing, and CI/CD across data pipelines
• Drive adoption of AI tooling and agentic workflows within the data engineering team
• Ensure data quality, observability, and reliability across all pipelines and platforms

• Develop self-service tooling and microservices to simplify platform usage for other teams

   

Requirements:

• 5+ years of professional experience in Data Engineering
• Strong Python and SQL development skills for pipeline development and optimisation
• Proficiency in Apache Spark / PySpark, including query optimisation and performance tuning
• Hands-on experience with Databricks (preferred) or Snowflake
• Experience with at least one major cloud provider: Azure (preferred), AWS, or GCP
• Experience with stream processing technologies (Kafka, Spark Structured Streaming)
• Solid understanding of ETL/ELT patterns, data modelling (dimensional, Data Vault), and data warehousing
• Experience with orchestration tools (Apache Airflow, Azure Data Factory, or equivalent)
• Knowledge of Infrastructure as Code (Terraform or equivalent)
• Understanding of production-grade system requirements: reliability, scalability, observability, and performance

• Upper-Intermediate English level

   

Will be a plus

• Familiarity with RAG pipeline design and LLM integration patterns
• Knowledge of data governance frameworks and tools (Unity Catalog, Apache Atlas, or similar)
• Experience with dbt for data transformation and modelling

• Familiarity with MLflow, Feature Stores, or ML platform integration

   

Personal profile

• Self-driven and proactive in identifying improvements
• Comfortable working in a fast-paced, innovative environment
• Strong problem-solving mindset with attention to detail
• Open to experimenting with emerging technologies and approaches

_____________________________________________________________

Ти захоплюєшся створенням передових, AI-ready дата-платформ з нуля? Ми шукаємо Senior Data Engineer, щоб ти приєднався(-лася) до нашої команди Data Engineering та очолив(-ла) масштабні, інноваційні ініціативи з нуля.

Ти працюватимеш над побудовою сучасних хмарних дата-платформ, міграцією локальних (on-premises) легасі-систем у хмару та створенням архітектурного фундаменту для AI-ready дата-інфраструктури.

У цій ролі ти тісно співпрацюватимеш з командами Machine Learning, Data Science та Product, виступаючи ключовим технічним експертом та лідером думок. Також ти вестимеш R&D-роботи над agentic AI-архітектурами, подієво-орієнтованими системами та LLM-ready дата-пайплайнами — перетворюючи архітектурні концепції на готові до продакшену рішення.

Обовʼязки:

• Проєктувати та створювати масштабовані, хмарні дата-платформи від концепції до продакшену
• Реалізовувати пайплайни для майже реального часу (near-real-time ingestion) з використанням подієво-орієнтованих патернів
• Визначати та впроваджувати стандарти платформи, включно з принципами Data Lake / Lakehouse, медальйонною архітектурою та дата-контрактами
• Рефакторити та оптимізувати наявні скрипти на Spark та PySpark для підвищення продуктивності та зручності підтримки
• Запроваджувати найкращі практики якості коду, тестування та CI/CD для дата-пайплайнів
• Сприяти впровадженню AI-інструментів та agentic-підходів у команді дата-інженерів
• Забезпечувати якість, спостережуваність (observability) та надійність усіх пайплайнів і платформ

• Розробляти self-service інструменти та мікросервіси, що спрощують використання платформи іншими командами

   

Вимоги:

• 5+ років комерційного досвіду в Data Engineering
• Сильні навички розробки на Python та SQL для створення та оптимізації пайплайнів
• Впевнене володіння Apache Spark / PySpark, включно з оптимізацією запитів та налаштуванням продуктивності
• Практичний досвід роботи з Databricks (бажано) або Snowflake
• Досвід роботи з принаймні одним великим хмарним провайдером: Azure (бажано), AWS або GCP
• Досвід роботи з технологіями потокової обробки даних (Kafka, Spark Structured Streaming)
• Глибоке розуміння ETL/ELT-патернів, моделювання даних (dimensional, Data Vault) та побудови дата-складів
• Досвід роботи з інструментами оркестрації (Apache Airflow, Azure Data Factory або аналогами)
• Знання Infrastructure as Code (Terraform або аналогів)
• Розуміння вимог до продакшен-рішень: надійність, масштабованість, спостережуваність, продуктивність

• Рівень англійської — Upper-Intermediate

   

Буде плюсом:

• Знайомство з проєктуванням RAG-пайплайнів та патернами інтеграції LLM
• Знання фреймворків і інструментів для data governance (Unity Catalog, Apache Atlas або подібних)
• Досвід роботи з dbt для трансформації та моделювання даних

• Знайомство з MLflow, Feature Stores або інтеграцією з ML-платформами

   

Особистий профіль:

• Самомотивованість та проактивність у пошуку покращень
• Комфортна робота у швидкому та інноваційному середовищі
• Сильне аналітичне мислення та увага до деталей
• Відкритість до експериментів з новими технологіями та підходами

Are you a proactive and detail-oriented professional who thrives in structured environments and enjoys working with people? We at Sigma Software are looking for a Project Coordinator to join our delivery management team.

As a Project Coordinator, you will play a key role in ensuring seamless communication between clients, managers, and teams, contributing to the success of diverse and dynamic projects. You will gain valuable experience in project management, people coordination, and cross-team collaboration.

Why join us? Sigma Software offers opportunities to work with international clients across multiple industries, exposure to cutting-edge technologies, and a supportive environment where your growth is a priority.

     Requirements

• Proven experience as a Project Coordinator or Project Assistant in the IT industry for at least 1 year
• Strong proficiency with Microsoft tools: Outlook, Excel, Word, PowerPoint, and Teams
• Experience with SharePoint or similar platforms is a plus
• Skilled in creating clear, efficient, and professional reports
• Familiarity with Agile methodologies (theoretical knowledge required)
• Well-developed soft skills: communication, adaptability, problem-solving
• At least 1 year of experience in people management or similar areas, including coaching, mentoring, conflict resolution, motivation, and team building
• Upper-Intermediate or higher level of spoken and written English
  
  Responsibilities
• Support Project Managers and Account Managers in coordinating and monitoring project execution
• Facilitate effective communication between clients, stakeholders, and internal teams
• Assist in people management activities, including hiring planning, supporting professional growth, conducting one-on-one meetings, and collaborating with HR
• Prepare and deliver project status reports and presentations for customers and supervisors
• Maintain and update project management documentation in accordance with company processes
• Assist with project start-up, closure, and handover activities
• Participate actively in hiring processes and conduct interviews
• Support organizational initiatives, including team-building activities
• Manage time reporting and ensure data accuracy

Sigma Software is looking for a Project Manager to join our Embedded & IT Support business unit.

We are experiencing in the following domain areas:

• Smart Home & Smart City
• Connectivity & IoT
• Embedded systems for (Consumer Electronics. Industrial Automation. Energy. HVAC)
• Technical support
• DevOps services

• Atlassian partner products, integrations and migrations

   

Why join us? In this role, you will be driving both embedded and technical support initiatives, focusing on a high-class delivery and working in a multi-cultural environment in a team of real professionals.

Requirements

• At least 4 years of commercial experience in project management
• Strong knowledge of project management processes, methodologies, and tools
• Proven risk management and strong leadership skills
• Excellent negotiation and problem-solving abilities
• Experience managing cross-cultural teams
• Hands-on experience driving the adoption of AI practices across projects
• Excellent communication and presentation skills to communicate effectively with customers and project teams
• Upper-Intermediate English or higher

• Experience in embedded projects will be a plus

   

Responsibilities

• Plan, manage, and monitor project execution, ensuring on-time delivery within budget
• Act as the customer’s trusted partner, developing relationships and identifying additional service opportunities and business insights
• Tailor project delivery models to match customer needs and apply best project management practices
• Conduct portfolio risk analysis, proactively manage risks, and communicate effectively with stakeholders
• Be a people manager, execute the company’s people management practices, including hiring, onboarding, performance evaluation, and retention strategies
• Implement best practices and tools for project execution and management
• Drive continuous improvement through lessons learned and project achievements

We are looking for an experienced Senior C++ Engineer to work on large-scale desktop software products. The role focuses on performance optimization, stability improvements, modernization of legacy systems, and development of high-quality desktop applications.

RESPONSIBILITIES

• Develop and maintain C++ desktop application components.
• Implement multithreading and concurrency solutions.
• Analyze and resolve performance bottlenecks.
• Support modernization of legacy codebases.
• Collaborate with architecture, QA, and product teams.

• Utilize AI-assisted development tools to accelerate development and refactoring activities.

   

QUALIFICATIONS

• 5+ years of senior-level C++ development experience.
• Strong expertise in modern C++ (C++14/17/20).
• Solid knowledge of multithreading, concurrency, debugging, and performance tuning.
• Hands-on experience with Qt, CMake, Conan, MSVC, CEF integration
• Strong analytical and problem-solving skills.

WILL BE A PLUS

• Experience with AI-assisted coding tools and workflows.
• Experience in regulated software environments.
• Technical degree or equivalent practical experience.
• German language skills are a plus.

Чи захоплює вас перетворення даних на практичні інсайти? Ми шукаємо Senior BI Engineer, який приєднається до нашої команди Data & Analytics і допоможе формувати звітність, створювати дашборди та розвивати підхід до прийняття рішень на основі даних у різноманітних бізнес- та потенційно державних проєктах.

Це роль рівня Senior із можливістю гібридного або віддаленого формату роботи, що забезпечує гнучкість та можливість співпрацювати з талановитими професіоналами з усього світу. Ідеальний кандидат має значний практичний досвід роботи з BI-інструментами, поглиблені знання SQL, моделювання даних та досвід тісної взаємодії з бізнес-стейкхолдерами. Ця роль вимагає не лише технічної експертизи, але й здатності розуміти потреби бізнесу, трансформувати їх у зрозумілі рішення для звітності та забезпечувати точність і надійність даних.

У Sigma Software ми цінуємо інноваційність, точність і командну роботу та створюємо підтримуюче середовище, де ваші знання та досвід можуть мати реальний вплив.

Чому варто приєднатися до нас? Ви працюватимете над важливими проєктами, отримаєте досвід у різних доменах та матимете доступ до переваг, таких як можливості професійного розвитку, міжнародна командна культура та сучасні технології.

Обов’язки:

— Проєктувати, створювати та підтримувати BI-звіти та дашборди
— Аналізувати бізнес-вимоги та перетворювати їх на звітні рішення
— Працювати зі стейкхолдерами для визначення KPI, метрик та логіки даних
— Писати та оптимізувати SQL-запити
— Перевіряти точність даних та досліджувати невідповідності
— Підтримувати покращення моделювання даних та звітного шару
— Співпрацювати з Data Engineers, Business Analysts, PMs та стейкхолдерами з боку замовника
— Готувати документацію для звітів, метрик та джерел даних
— Вносити вклад у розвиток BI best practices у межах юніту

Вимоги:

— 5+ років досвіду у BI, data analytics або data engineering
— Досвід роботи з Power BI, Tableau, Looker чи подібними інструментами буде плюсом
— Просунуті навички роботи з SQL
— Досвід моделювання даних, роботи зі структурами даних та data warehousing
— Розуміння процесів ETL/ELT та data pipelines
— Досвід очищення, валідації та контролю якості даних
— Вміння працювати з великими наборами даних та складною бізнес-логікою
— Добре розуміння бізнес-звітності, KPI та дизайну дашбордів
— Досвід прямої роботи зі стейкхолдерами для збору вимог та уточнення звітних потреб
— Рівень англійської Upper-Intermediate+

Буде плюсом:

— Досвід роботи з урядовими, державними, медичними, фінансовими або іншими регульованими доменами
— Досвід роботи з Azure, AWS, Snowflake, BigQuery, Databricks або Redshift
— Python або R для аналізу даних
— Досвід роботи з dbt, Airflow, Dagster чи подібними інструментами
— Знання data governance, access control та звітності, пов’язаної з комплаєнсом
— Досвід роботи за Agile

Are you passionate about turning data into actionable insights? We are looking for a Senior BI Engineer to join our Data & Analytics team and help shape reporting, dashboarding, and data-driven decision-making across diverse business and potentially government-related projects.

This is a Senior-level role with hybrid or remote work options, offering flexibility and opportunities to collaborate with talented professionals worldwide. The ideal candidate has strong hands-on experience with BI tools, advanced SQL, data modeling, and close collaboration with business stakeholders. This role requires not only technical expertise but also the ability to understand business needs, translate them into clear reporting solutions, and ensure data accuracy and reliability.

At Sigma Software, we value innovation, precision, and teamwork, and we provide a supportive environment where your expertise can make a real impact.

Why join us? You’ll work on meaningful projects, gain exposure to different domains, and enjoy benefits such as professional growth opportunities, a global team culture, and access to cutting-edge technologies.

Responsibilities:

— Design, build, and maintain BI reports and dashboards
— Analyze business requirements and translate them into reporting solutions
— Work with stakeholders to define KPIs, metrics, and data logic
— Write and optimize SQL queries
— Validate data accuracy and investigate inconsistencies
— Support data modeling and reporting layer improvements
— Collaborate with Data Engineers, Business Analysts, PMs, and customer-side stakeholders
— Prepare documentation for reports, metrics, and data sources
— Contribute to BI best practices within the unit

Requirements:

— 5+ years of experience in BI, data analytics, or data engineering-related roles
— Strong experience with Power BI, Tableau, Looker, or similar tools
— Advanced SQL skills
— Experience with data modeling, data structures, and data warehousing
— Understanding of ETL/ELT processes and data pipelines
— Experience with data cleaning, validation, and data quality control
— Ability to work with large datasets and complex business logic
— Good understanding of business reporting, KPIs, and dashboard design
— Experience working directly with stakeholders to gather requirements and clarify reporting needs
— Upper-Intermediate+ English level

Will be a plus:

— Experience with government, public sector, healthcare, finance, or other regulated domains
— Experience with Azure, AWS, Snowflake, BigQuery, Databricks, or Redshift
— Python or R for data analysis
— Experience with dbt, Airflow, Dagster, or similar tools
— Knowledge of data governance, access control, and compliance-related reporting
— Experience with Agile delivery

Чи захоплює вас перетворення даних на практичні інсайти? Ми шукаємо Senior BI Engineer, який приєднається до нашої команди Data & Analytics і допоможе формувати звітність, створювати дашборди та розвивати підхід до прийняття рішень на основі даних у різноманітних бізнес- та потенційно державних проєктах.

We are looking for a Integration Manager to join a project focused on AI-powered pricing solutions for enterprise retail businesses. In this role, you will drive customer integrations, support data quality processes, and help build scalable onboarding and integration workflows.

You will work closely with Customer IT and business stakeholders, external integration partners, and internal teams to ensure seamless platform adoption and reliable integration performance. This position is a great fit for specialists who enjoy solving data challenges while balancing technical and business communication.

We at Sigma Software offer the opportunity to work on impactful international projects, collaborate with experienced professionals, and contribute to modern data-driven solutions used by global retailers.

CUSTOMER

Our Customer is a leading retail technology company specializing in AI-driven pricing optimization solutions for enterprise retailers. The company helps businesses improve profitability and competitiveness through advanced analytics, automation, and data-informed pricing strategies. Their platform combines business intelligence with sophisticated algorithms to support smarter pricing decisions at scale.

PROJECT

The project focuses on implementing and optimizing a modern pricing platform for large-scale retail organizations. As an Integration Engineer, you will support Customer onboarding, ensure reliable and scalable integrations, and contribute to seamless platform adoption. The role involves close collaboration with Customer IT and business teams, external partners, and internal stakeholders in an international environment.

Job Description

• Lead end-to-end technical integrations between the platform and Customer systems
• Coordinate onboarding activities and support successful Customer adoption
• Support, maintain, and optimize integrations for existing enterprise Customers
• Ensure reliability, consistency, and quality of integrated data flows
• Translate business requirements into technical integration solutions
• Collaborate directly with Customer IT and business stakeholders
• Coordinate external integration vendors and contractors during implementation activities
• Identify and resolve integration and data-related issues
• Contribute to scalable and repeatable integration processes and best practices
• Participate in Customer workshops, technical discussions, and solution presentations

Qualifications

• 3+ years of commercial experience in integration, data engineering, or related roles
• Strong SQL skills
• Upper-Intermediate or higher English level
• Experience translating business requirements into technical solutions
• Understanding of data integration concepts and enterprise system integrations
• Strong analytical thinking and problem-solving skills
• Excellent communication and presentation abilities
• Experience working directly with Customers and stakeholders
• Ability to work independently with minimal supervision
• Strong attention to detail and fast-learning mindset

WILL BE A PLUS:

• Basic Python knowledge
• Experience with Apache Airflow
• Understanding of ETL processes and data integration best practices
• Experience working on retail industry projects
• Experience supporting enterprise-level Customer

Join Sigma Software as a Senior Test Engineer and help shape the quality of a cutting-edge social shopping platform that blends e-commerce with social networking. This role offers the opportunity to work on a high-impact product used by millions of fashion lovers worldwide.
 

You will be part of our Mobile & Web Solutions department, collaborating with talented professionals and applying the Quality Assistance model to ensure exceptional user experiences.

We at Sigma Software value innovation, teamwork, and professional growth. By joining us, you will gain access to diverse projects, supportive colleagues, and a culture that rewards initiative and expertise.
 

Customer

Global marketplace for fashion, combining e-commerce with social networking features. It enables users to sell customized or rare clothes and accessories, promoting sustainable consumption by recycling unwanted items for money.
 

Project

The project is a social shopping platform where users create profile pages to post pictures and descriptions of items for sale, enhanced with hashtags for easier discovery. Focused on clothes retail, it aims to deliver an evocative buying and selling experience. Key tasks include payment system integration and accessibility feature implementation.

 

Requirements

• 4,5+ years of QA experience with end-to-end ownership of testing processes
• Strong exploratory testing skills beyond scripted test cases
• Experience testing mobile apps (iOS and Android), including release processes
• Ability to work autonomously across multiple cross-functional teams
• Familiarity with agile workflows, feature flags, and staged rollouts
• Strong requirements analysis skills, able to clarify edge/corner scenarios
• Comfortable with context switching and supporting multiple teams in parallel
• SQL — ability to write moderately complex queries
• API Testing — hands-on experience with REST APIs using tools like Postman
• Solid understanding of HTML, CSS, cookies, caching, browser behavior
• Experience deploying builds via Android Studio, Xcode, or similar tools
• Git — practical experience with branches, commits, code reviews, pull/merge requests
• Upper-Intermediate+ English proficiency
   

Responsibilities

• Work as part of the product development team, collaborating closely with customer-side developers
• Follow and support the Quality Assistance process
• Plan and estimate testing activities
• Create and maintain test documentation
• Design and execute manual, snapshot, and UI tests for new features
• Perform Functional, Regression, and Compatibility testing across Web and Mobile platforms
• Conduct release validation, smoke testing, and post-deployment quality checks
• Provide clear and regular status and progress reports
• Collaborate with product owners, business analysts, and development teams to ensure product quality
• Identify, document, and communicate risks and issues constructively