Sigma Software

Are you passionate about turning complex data into actionable insights? Join us as a Strong Middle/Senior Data Scientist and help shape cutting-edge AdTech solutions that reach millions of users worldwide. This is a remote role with flexibility to work from Ukraine, Europe, or LATAM.

We at Sigma Software bring together talented professionals to deliver high-load, data-driven platforms for global clients. Here, your expertise will be valued, your voice heard, and your career empowered. Why join us? You’ll work with modern technologies, collaborate with top-tier teams, and contribute to projects that make a real impact in the marketing and advertising industry.

Customer

Our customer is an international technology company specializing in high-load platforms for data processing and analytics. Their core product enables businesses to manage massive datasets, create predictive models, and extract actionable insights. Operating globally, they serve clients primarily in marketing and advertising, leveraging microservices architecture and cloud-based solutions.

Project

The project focuses on designing and implementing advanced machine learning models, building scalable data pipelines, and delivering analytical solutions for high-volume datasets. The goal is to improve product performance, enable better targeting and personalization in AdTech, and ensure model accuracy and reliability.

Responsibilities

• Design, develop, and deploy machine learning models to solve complex business problems in the AdTech domain
• Analyze large datasets to generate actionable insights and improve product performance
• Build and maintain scalable data pipelines using big data tools and frameworks
• Perform data preprocessing, cleaning, feature engineering, and model evaluation
• Collaborate with cross-functional teams including engineers, analysts, and product managers
• Ensure model accuracy, reliability, and scalability through rigorous testing and validation
• Stay updated on emerging data science techniques, tools, and best practices

• Contribute to team discussions, process improvements, and knowledge sharing

   

Requirements

• 4+ years of experience in data science projects applying machine learning, statistical modeling, and data mining techniques
• Hands-on experience working with Natural Language Processing (NLP) and Large Language Models (LLMs), including applying them to real-world business problems
• Strong understanding of statistics and ability to apply statistical methods to analyze data and validate model performance
• Proficiency in Python or R for data analysis and model development
• Strong SQL skills and experience working with big data technologies such as Hive and Spark
• Hands-on experience with PySpark or RSpark for large-scale data processing
• Experience building, evaluating, or optimizing ML/NLP models in production or near-production environments

• At least Upper-Intermediate level of English

   

Personal Profile

• Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders
• Strong problem-solving and decision-making skills, with a focus on driving results and meeting deadlines
• Self-motivated, adaptable, and eager to learn new technologies and frameworks

Are you passionate about ensuring flawless mobile experiences across iOS and Android platforms? We are looking for a Strong Middle Test Engineer with deep expertise in mobile QA to join our team.
 
At Sigma Software, we value innovation, precision, and collaboration. You will be working on cutting-edge mobile solutions with exposure to AI-driven features, ensuring top-quality delivery for end users.
 
Why join us? We offer professional growth opportunities, a supportive team environment, and the chance to work on projects where your testing expertise truly makes an impact.
 
PROJECT
The project focuses on developing and maintaining high-quality mobile applications for iOS and Android, incorporating AI-driven functionalities to enhance usability and performance. This role offers the opportunity to work with diverse devices, OS versions, and cutting-edge mobile automation tools

Responsibilities:

• Plan, design, and execute comprehensive test strategies for mobile applications on iOS and Android platforms
• Collaborate closely with developers, product managers, and designers to ensure high-quality deliverables
• Create and maintain detailed test documentation, including test cases, checklists, and bug reports
• Perform various testing types: functional, regression, smoke, sanity, exploratory, performance, compatibility, localization, and API testing
• Collect and analyze logs to diagnose issues across diverse devices and OS versions
• Support and run existing mobile automation tests; contribute to automation framework improvements
• Participate in Agile sprints, managing priorities and deadlines effectively
• Apply critical thinking to identify edge cases and ensure comprehensive test coverage

Requirements:

• 4+ years of QA experience, with strong focus on mobile testing (iOS & Android)
• Deep understanding of mobile ecosystems, OS versions, device fragmentation, and app architectures
• Proficiency in testing processes and STLC
• Experience with API testing and data formats (YAML, JSON)
• Tools: Jira, Confluence, Figma, Fiddler/Postman, DB IDE, VS Code
• Basic AI knowledge with willingness to grow in this area
• Strong communication skills and ability to work with cross-functional teams
• Self-driven, capable of independently formulating test strategies
• At least an Upper-Intermediate level of English

If you want to start or continue your career in an international IT Company — here we are. Our support team is constantly growing and looking for new members to join and provide the best service for our customers. You’ll be part of a collaborative environment where your expertise will directly contribute to multiple innovative projects.

We are looking for an experienced Senior DevOps Engineer who will start new projects and help with existing ones.

Requirements

• 5+ years of experience in DevOps or related roles
• Automation scripting skills (Python, Bash, Batch, Groovy, Shell)
• Solid understanding of CI/CD, automated testing, and disciplined software development practices
• Private cloud configuration experience (OpenStack — priority)
• Experience with CI tools (Jenkins, Zuul, or similar)
• Knowledge of tools and techniques such as Ansible, Docker, Kubernetes
• Strong Intermediate level of English or higher

Would be a plus

• Experience with Linux distributions (Ubuntu, CentOS)
• Monitoring experience with DataDog and/or ELK Stack (Elasticsearch, Logstash, Kibana)
• Experience working in agile environments (Scrum, Kanban, SAFe)

Personal Profile

• Proactive and detail-oriented
• Adaptable to changing environments
• Strong problem-solving skills
• Ability to work independently and in a team

Responsibilities

• Configure, implement, and automate CI/CD pipelines for software delivery, including test automation frameworks
• Continuously improve speed, efficiency, scalability, and stability of integration systems and environments
• Capture demand and trends from development teams into IT processes

We at Sigma Software are looking for a Senior Product Manager to join our long-term SaaS Security project for the MSP/MSSP market. 

This is a remote position with a distributed Ukrainian engineering team. 

You will play a key role in shaping product strategy, driving feature development, and enhancing user experience for a live Microsoft 365-centric security solution.

Our team has been collaborating with the customer for almost 6 years, delivering innovative cloud-native products that help Managed Service Providers improve efficiency and security for SMB clients. Joining us means working in a dynamic, collaborative environment with cutting-edge technologies and a strong focus on customer success.

Why join us? At Sigma Software, you’ll work with global clients, enjoy flexible work arrangements, and be part of a culture that values professional growth and innovation.

Customer
ConnectWise is a US-based software company specializing in solutions for Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs). Their platform offers tools for IT management, cybersecurity, remote monitoring, and business automation, serving thousands of MSPs worldwide. Known for its strong community-driven ecosystem and integrations with leading IT tools, ConnectWise is a recognized leader in the MSP space.

Project
The project is focused on building Microsoft 365-centric SaaS Security and CASB software for MSP/MSSP markets. It enables providers to assess and manage IT security for SMB customers, configure and protect SaaS applications and cloud-hosted data, and deliver ongoing security support with periodic reviews.

Key Technologies: C#, .NET Core, MS Azure, Entity Framework Core, Docker, Kubernetes

Job Description

• Document and prioritize feature requirements for the product team
• Engage with subscribers to understand their challenges and guide them in using the product effectively
• Define solution assets related to security configurations and workflows
• Collaborate with other PMs to write epics, features, user stories, and defects, and advocate for them in the backlog
• Prioritize usability improvements, bug fixes, and new feature development to boost adoption
• Coordinate backlog across multiple engineering teams to maximize market impact
• Participate in Agile ceremonies, refine user stories, and document acceptance criteria
• Create end-user documentation, marketing content, and go-to-market materials
• Implement in-product engagement experiences such as tours, feature highlights, and learning aids
• Drive customer success initiatives with training, engagement tools, and feedback loops
• Work with design teams to enhance user experience and engagement tracking

Qualifications

• At least 5 years of experience in software product management, including gathering and documenting requirements, managing product backlog, and working with Agile methodologies
• Experience in writing clear and user-friendly help documentation for end users
• Hands-on experience with in-product user engagement tools such as Intercom, Pendo, or similar
• Understanding of the MSP/MSSP market and its role in administering cloud application environments, including security management

• Practical experience in the IT security and compliance domain, preferably with cloud security product management, product support, or implementation support

   

Nice to have:

• Technical knowledge in security, cloud software development, and PowerShell will be an advantage

Personal profile:

• Strong communication skills with the ability to engage stakeholders, discover requirements, and translate them into actionable tasks for engineering teams
• Excellent organizational and leadership skills for working with distributed teams across time zones

Customer

Our customer is a leading Swedish telecommunications company, recognized for delivering innovative large-scale technology solutions across complex infrastructure environments. Sweden’s telecom sector is known for its advanced networks, high-speed connectivity, and pioneering role in 5G development. The company operates internationally, serving millions of users and partnering with global technology leaders to drive digital transformation.

Project

We are developing a centralized portal to streamline and automate product documentation creation and management. This platform serves as a unified service, enabling teams to generate, organize, and maintain comprehensive documentation libraries with ease. By combining document management with process automation, it improves operational efficiency and minimizes human error throughout the documentation lifecycle.

Key Technologies: Python (Django), AngularJS, Kubernetes, CI/CD, Jenkins

Requirements

• 2+ years of experience working with Python
• Experience with CI/CD pipelines and related tools
• Understanding of backend development principles and RESTful APIs
• Front-end development experience, including component-based architecture
• Knowledge of relational databases and data modeling concepts
• Familiarity with testing practices for both frontend and backend applications
• Basic understanding of cloud environments and deployment processes
• Strong Intermediate (B2) level of English or higher

WILL BE A PLUS:

• Experience with AngularJS
• Knowledge of JavaScript and TypeScript

Responsibilities

• Contribute to technical solutions and write maintainable, high-quality code
• Develop new features and components, assist with refactoring, debugging, and software maintenance
• Participate in peer code reviews and follow established engineering practices
• Perform unit and integration testing to ensure software reliability
• Assist in analyzing requirements and preparing feature designs
• Create and maintain technical documentation
• Join conference calls and meetings with the Customer when required
• Be an active member of the SAFe Agile team, participating in estimation, grooming, and planning sessions

Company Description

Are you a seasoned engineer passionate about building scalable, high-performance systems? This Senior-level role offers the opportunity to work remotely with talented teams across Europe, Ukraine, and LATAM.

At Sigma Software, we deliver cutting-edge solutions for global customers, combining technical excellence with a service-minded approach. In this role, you will join a distributed team to architect and evolve an advanced Ads platform, contributing to both innovation and stability.

Why join us? You will work on complex, high-impact systems, collaborate with international experts, and enjoy the freedom to shape architecture and technical patterns that drive long-term success.

CUSTOMER

We partner with a leading company in the AdTech space, delivering high-performance, scalable solutions that empower advertisers to manage campaigns, optimize targeting, and analyze results in real time. The Customer values innovation, reliability, and long-term collaboration, and operates globally with distributed teams in Europe, LATAM, and other regions.

PROJECT

The project focuses on building and evolving core systems for an advanced Ads platform integrated into a product for the interior decor industry. This product enables users to preview and visualize home items before purchase, enhancing shopping experiences both online and in-store.

Job Description

• Design, develop, and maintain APIs and services supporting ad campaign management, targeting, delivery, attribution, and reporting
• Architect scalable, reliable, and high-performance distributed systems
• Optimize systems for high-throughput and low-latency event/data processing
• Drive architectural decisions and establish development patterns
• Collaborate with distributed teams to ensure seamless integration and delivery
• Mentor and guide other engineers, fostering technical excellence

• Ensure code quality, maintainability, and alignment with long-term product goals

   

Qualifications

• At least 5 years of commercial experience in building scalable, high-performance systems
• Hands-on experience with AdTech solutions such as DSP, SSP, ad exchange, prebid, Google Ad Manager, or openRTB
• Strong proficiency in Python, preferably with the Django framework
• Solid knowledge of computer science fundamentals, including data structures, algorithms, and distributed systems
• Good understanding of distributed system architecture with a focus on data availability, reliability, and performance
• Practical experience with Kubernetes, PostgreSQL, and AWS

• Upper-Intermediate level of English

   

WILL BE A PLUS

• Experience with dbt and Redshift

• Familiarity with interior decor industry solutions

   

Additional Information

PERSONAL PROFILE

• Attention to detail and quality
• Excellent communication skills
• Leadership mindset, proactiveness

We at Sigma Software are looking for a Python Developer to join an exciting project for a global telecommunications leader. 

This is a full-time position based in Ukraine with the flexibility of remote work. You will be part of a skilled Agile team building a high-impact web application that manages and tracks hardware inventories for millions of users. 

At Sigma Software, we value innovation, professional growth, and work-life balance. You’ll enjoy working in a collaborative environment and contributing to impactful solutions.

CUSTOMER 
Our customer is a leading telecommunications company recognized for delivering innovative, large-scale technological solutions. Operating globally, they provide advanced communication services and infrastructure to millions of users and businesses. Known for their commitment to cutting -  edge technology, scalability, and reliability, they offer a dynamic and forward-thinking work environment. 

PROJECT 
The project involves developing a web application to manage and  track customers' hardware inventories. It supports the full lifecycle of hardware contracts and products,  enabling efficient reporting, monitoring, and operational control. The  application integrates with existing systems, leverages modern frameworks, and follows SAFe Agile methodology to ensure high-quality delivery. 

Key Technologies: Python, Django, Django REST Framework, PostgreSQL, Celery, AWS, Unix, Bash, Angular/React 

Job Description

• Design and implement well-structured, maintainable, and robust code solutions
• Develop new features and components, perform refactoring, debugging, and ongoing maintenance
• Conduct peer code reviews and adhere to established engineering practices
• Perform unit and integration testing to ensure code quality
• Analyze requirements and prepare detailed technical designs for features
• Create and maintain technical documentation
• Participate in customer meetings, including conference calls and face-to-face sessions

• Actively contribute to SAFe Agile ceremonies, including estimation, grooming, and planning sessions

   

Qualifications

• 5+ years of experience in Python
• Practical expertise with Django, Django REST Framework (DRF), and Django ORM
• Solid understanding of PostgreSQL
• Experience writing unit tests using Python’s testing frameworks (e.g., TestCase)
• Familiarity with Celery for task scheduling and asynchronous processing
• Experience with AWS and Unix-based systems
• Bash scripting skills
• Experience with Angular or React
• At least Upper - Intermediate level of English

WILL BE A PLUS:

• Experience with microservices architecture
• Knowledge of Docker/Kubernetes
• Familiarity with CI/CD pipelines
• Understanding of telecom industry specifics

PERSONAL PROFILE:

• Proactive and detail-oriented
• Strong communication skills
• Ability to work effectively in distributed teams
• Adaptable and open to feedback
• Collaborative mindset

Are you a skilled Infrastructure Engineer looking to work on a high-impact, large-scale solution? Join our team at Sigma Software and help build and maintain a robust hybrid IT infrastructure for a cutting-edge access control and construction site management platform used across Europe.
This is a middle-level role with a remote work setup, offering the opportunity to collaborate with a highly experienced international team and contribute to a product that shapes the future of construction site security and operations.
We at Sigma Software value innovation, professional growth, and teamwork. You will be part of a long-term project with strong support for career development, where your dedication and expertise will be recognized and rewarded.
 

CUSTOMER

Our customer is a leading Scandinavian construction solutions provider, recognized as one of the biggest players in the Swedish market. With over 50 specialists in the overall development squad, including 32 team members in Ukraine, they have evolved from a smart-lock product to a comprehensive server-based solution with multiple self-developed web and mobile applications. Their focus is on expanding services across Scandinavia and Europe, delivering advanced security, access control, and site management innovations.
 

PROJECT

The project is a large-scale, complex access control system for the European construction domain. It goes beyond access control, offering advanced site management capabilities, real-time monitoring of worker presence, and tools for managing relationships between multiple companies operating within a site.

Responsibilities

• Administer and support hybrid IT infrastructure (primarily on-premises, with selected workloads in Microsoft Azure)
• Install, configure, harden, and maintain Windows Server environments (2016–2022)
• Manage on-premises Active Directory, Group Policy, DNS, DHCP, and other core Windows services
• Perform basic administration of Azure infrastructure components (VMs, Virtual Networks, routing, Load Balancer, VPN connectivity, DNS, RBAC, monitoring)
• Administer and troubleshoot Microsoft SQL Server, including backup strategies, restore procedures, and performance optimization
• Manage Debian-based Linux servers hosting infrastructure services (e.g., Redis/Kafka)
• Support and troubleshoot containerized services on Linux hosts using Docker Compose
• Design, implement, and maintain infrastructure monitoring and alerting
• Administer and troubleshoot network services (routing, DNS, DHCP, SMTP, VPN)
• Manage source control systems (TFS / Azure DevOps Server, Git)
• Automate infrastructure operations using PowerShell
• Investigate incidents, perform root cause analysis, and implement preventive measures
• Maintain technical documentation and operational standards
• Collaborate with internal teams and customers to resolve issues and improve systems

Qualifications

• At least 3 years of Windows Server administration (2016–2022) experience in production environments
• Strong knowledge of Active Directory, Group Policy, DNS
• Solid SQL Server administration and troubleshooting skills
• Working knowledge of Debian-based Linux administration
• Practical experience with Docker on Linux (multi-host, Docker Compose)
• Experience with source control systems (TFS / Azure DevOps Server, Git)
• Strong troubleshooting mindset and networking fundamentals
• PowerShell scripting skills
• Ability to produce clear technical documentation

• Strong communication skills and independent work capability

   

Will be a plus

• Experience with monitoring/telemetry platforms (Zabbix, PRTG, Azure Monitor, Prometheus/Grafana, ELK/Loki)
• Experience with Azure IaaS/networking
• Azure DevOps pipelines and integrations
• Redis/Kafka administration experience
• Familiarity with HA patterns for containerized services
• Experience with virtualization platforms (Hyper-V)

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Possibility to meet clients annually in Europe
• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Чи захоплюєтесь ви створенням масштабної хмарної інфраструктури даних, яка має реальний вплив? Ми шукаємо Senior Data Engineer, який приєднається до нашої команди та працюватиме над важливим проєктом у сфері медичних технологій. Ця роль передбачає віддалений формат роботи з можливістю співпрацювати з міжнародними командами.

У Sigma Software ми створюємо інноваційні ІТ-рішення для глобальних клієнтів у різних галузях і пишаємося проєктами, які покращують життя людей. Приєднавшись до нас, ви працюватимете з передовими технологіями, робитимете внесок у значущі ініціативи та розвиватиметеся в підтримуючому середовищі.

Клієнт:
Наш клієнт — провідна компанія у сфері медичних технологій. Її портфель продуктів, сервісів та рішень знаходиться в центрі процесів клінічного прийняття рішень і побудови шляхів лікування. Інновації, орієнтовані на пацієнтів, завжди були і залишаються основою діяльності компанії. Клієнт прагне покращувати результати лікування та досвід пацієнтів незалежно від того, де вони живуть і з якими викликами стикаються. Компанія інноваційно розвивається, щоб забезпечити доступ до медицини для кожного, всюди.

Проєкт:
Проєкт зосереджений на створенні та підтримці масштабної хмарної інфраструктури даних для медичних застосунків. Він включає проєктування ефективних data pipelines, створення self-service інструментів та реалізацію мікросервісів для спрощення складних процесів. Робота безпосередньо впливатиме на те, як медичні установи отримують доступ до критично важливих медичних даних, обробляють їх та аналізують, що зрештою покращує якість медичної допомоги пацієнтам.

 

Обов'язки: 

• Співпрацювати з Product Owner та технічними лідами для визначення та проєктування ефективних pipelines і схем даних
• Будувати та підтримувати інфраструктуру для хмарних платформ за допомогою Terraform
• Проєктувати та впроваджувати масштабну хмарну інфраструктуру даних, self-service інструменти та мікросервіси
• Працювати з великими наборами даних для оптимізації продуктивності та забезпечення безперебійної інтеграції даних
• Розробляти та підтримувати архітектури даних і pipelines для команди відповідно до принципів ETL та Data Lake
• Виявляти, аналізувати та впорядковувати різнорідні джерела даних у зрозумілі та чисті схеми

Вимоги:

• Можливість раз на рік зустрічатися з клієнтами в Європі
• Практичний досвід роботи з хмарними сервісами для даних та аналітики
• Досвід data modeling, reporting tools, data governance та data warehousing
• Впевнене володіння Python і PySpark для розподіленої обробки даних
• Досвід роботи з Azure, Snowflake та Databricks
• Досвід роботи з Docker та Kubernetes
• Знання infrastructure as code (Terraform)
• Просунуті навички SQL та знайомство з big data базами даних, такими як Snowflake, Redshift тощо
• Досвід роботи зі stream processing технологіями, такими як Kafka, Spark Structured Streaming
• Рівень англійської не нижче Upper-Intermediate

Join Sigma Software and become part of a team where innovation meets impact. We are looking for a Middle Product Analyst to work remotely from Ukraine or Europe, contributing to cutting-edge AdTech solutions.

You will collaborate with skilled professionals in an agile environment, where your expertise will help shape products that drive measurable business results.

Customer

Our customer is an international technology company specializing in high‑load platforms for data processing and analytics. Their flagship product enables businesses to manage vast volumes of data, build predictive models, and extract actionable insights. Operating globally, they serve clients in the marketing and advertising domain, leveraging cutting-edge technologies, microservices architecture, and cloud‑based solutions to deliver scalable and innovative AdTech systems.

Project

The project focuses on enhancing a data-driven AdTech platform that processes large datasets to optimize marketing campaigns and audience targeting. It integrates advanced analytics, machine learning models, and BI frameworks to deliver measurable business impact. The team works in an agile environment, collaborating closely with Data Scientists, Product Managers, and stakeholders to ensure continuous improvement and innovation in product features.

Key Technologies: Python, Databricks, PySpark, Confluence, Matplotlib

Responsibilities

• Collaborate with Data Scientists to design and refine product features powered by analytics
• Analyze complex datasets to identify trends, anomalies, and opportunities for optimization
• Translate business needs into actionable analytical tasks and solutions
• Support feature launches through testing, feedback gathering, and performance monitoring
• Evaluate feature usage and assess their business impact
• Acquire domain expertise in AdTech to propose enhancements and new ideas
• Participate in data science initiatives, contributing to research and innovation efforts

Requirements

• 2–4 years of experience in solving business problems and delivering actionable insights
• Good knowledge of Python and SQL
• Proven track record in delivering analytics projects using EDA and data analysis tools
• Experience with large datasets and ensuring data integrity
• Proficiency in data visualization tools (Tableau, Power BI, or similar)
• Experience working within Agile frameworks and collaborating with cross-functional teams
• Excellent time management and prioritization skills
• Upper-Intermediate level of English or higher

• Bachelor’s or Master’s degree in engineering or MBA

   

WILL BE A PLUS:

• Experience with Databricks and PySpark
• Familiarity with AdTech domain
• Understanding of cloud-based solutions

Are you ready to take your engineering skills to the next level? We are looking for a Senior Full Stack Engineer to join our team and help build innovative, data-rich web applications for global clients.

This role offers the opportunity to work on cutting-edge solutions using modern technologies, contributing to products that shape industries and empower millions of users worldwide.

We at Sigma Software value expertise, creativity, and collaboration. You will be part of a culture that supports professional growth, offers competitive benefits, and encourages innovation.

Customer

Our Customer is a global content and information company with over a century of history, recognized for shaping the future of media and data. With a strong focus on innovation, they deliver trusted experiences and tools that inform, inspire, and empower millions worldwide. Operating across multiple continents, they are known for their commitment to quality, accuracy, and cutting-edge technology.

Requirements

• 5+ years of professional experience with JavaScript/TypeScript across frontend and backend
• Strong experience with React and Vite for scalable frontend applications
• Solid hands-on experience with Node.js, NestJS, and REST API development
• Experience with data layer technologies, including PostgreSQL on AWS RDS and BigQuery
• Practical knowledge of D3.js or similar libraries for interactive data visualization
• Exposure to modern AI-powered backend solutions, including Agentic AI
• Strong knowledge of HTML, CSS, and JavaScript fundamentals

• Upper-Intermediate spoken and written English

   

Will be a plus:

• Experience with Model Context Protocol (MCP)
• Familiarity with workflow automation tools such as n8n

Responsibilities

• Develop responsive, user-friendly interfaces using React and Vite
• Create interactive charts and data visualizations with D3.js or similar libraries
• Integrate backend data via REST and GraphQL APIs
• Collaborate closely with data engineers to incorporate complex datasets into the product
• Optimize application performance, scalability, and reliability
• Implement best practices for security, CI/CD, testing, and code quality
• Work with product and design teams to translate business requirements into technical solutions
• Take ownership of features from ideation to deployment and monitoring in production
• Stay up to date with emerging technologies and contribute to technical decision-making

Хочеш вивести свої інженерні навички на новий рівень?
Ми шукаємо Senior Full Stack Engineer, який приєднається до команди та допоможе створювати сучасні data-driven вебзастосунки для клієнтів з усього світу.

Це чудова можливість працювати з передовими технологіями та долучитися до створення продуктів, які змінюють індустрії й впливають на мільйони користувачів.

У Sigma Software ми цінуємо експертність, креативність і командну роботу. Ти станеш частиною культури, що підтримує професійний розвиток, заохочує інновації та пропонує конкурентні умови.

Про клієнта

Наш клієнт — міжнародна компанія у сфері контенту та інформаційних сервісів із понад 100-річною історією. Вона активно формує майбутнє медіа та роботи з даними.

Компанія зосереджена на інноваціях і створює надійні рішення та інструменти, які допомагають інформувати, надихати й відкривати нові можливості для мільйонів людей по всьому світу. Має присутність на кількох континентах і відома високими стандартами якості, точності та технологічності.

Вимоги

• 5+ років досвіду розробки на JavaScript/TypeScript (frontend + backend)
• Сильний досвід роботи з React та Vite для створення масштабованих інтерфейсів
• Практичний досвід з Node.js, NestJS та розробкою REST API
• Досвід роботи з базами даних, зокрема PostgreSQL (AWS RDS) та BigQuery
• Досвід роботи з D3.js або подібними бібліотеками для візуалізації даних
• Розуміння сучасних AI-рішень на бекенді (включно з Agentic AI)
• Глибокі знання HTML, CSS, JavaScript

• Англійська — Upper-Intermediate і вище

   

Буде плюсом:

• Досвід роботи з Model Context Protocol (MCP)
• Знання інструментів автоматизації (наприклад, n8n)

Обов’язки

• Розробка адаптивних та зручних інтерфейсів із використанням React та Vite
• Створення інтерактивних графіків і візуалізацій даних (D3.js або аналоги)
• Інтеграція з бекендом через REST та GraphQL API
• Співпраця з data-інженерами для роботи зі складними наборами даних
• Оптимізація продуктивності, масштабованості та стабільності застосунку
• Впровадження best practices: безпека, CI/CD, тестування, якість коду
• Взаємодія з продуктовими та дизайн-командами для реалізації бізнес-вимог
• Відповідальність за функціонал — від ідеї до продакшну та моніторингу
• Участь у технічних рішеннях і впровадження нових технологій

Ready to work on cutting-edge solutions in the telecom domain? We are looking for a Junior Full Stack Developer to join our team and contribute to a high-impact project in data management and system integration.

CUSTOMER
Our customer is a global leader in Information and Communication Technology (ICT), serving telecom service providers worldwide. They deliver innovative products and services for mobile and fixed communication networks, radio systems, and transmission infrastructure. Recognized for driving innovation in connectivity, the company enables next-generation communication solutions and operates in over 100 countries.

PROJECT
The team will work on a Product Information Service — a scalable, cloud-native system designed to manage product-related data and enable integration across multiple systems. The solution focuses on data management, APIs, and system integration, ensuring reliable and efficient information flow between platforms.

Key Technologies: Python, React, PostgreSQL, Node.js

RESPONSIBILITIES:

• Develop and support backend and frontend parts of the Product Information Service
• Implement REST APIs and help integrate them with other systems
• Work with PostgreSQL databases (design and basic maintenance)
• Build simple and responsive user interfaces using React
• Write unit and basic end-to-end tests to support code quality
• Take part in code reviews and follow team development practices
• Create and maintain technical documentation
• Collaborate with the customer via conference calls and meetings

• Engage in SAFe Agile ceremonies including estimation, grooming, and planning sessions

   

REQUIREMENTS:

• 1.5+ years of professional software development experience using Python
• Experience in implementing RESTful APIs and contributing to their design
• Hands-on experience with PostgreSQL
• Strong skills in React for building responsive UIs
• Understanding of backend system design principles

• Intermediate level of English or higher

   

WILL BE A PLUS:

• Experience with Node.js

   

PERSONAL PROFILE:

• Strong problem-solving skills and attention to detail
• Ability to work collaboratively in a distributed team environment
• Proactive communication and willingness to engage with stakeholders
• Adaptability to changing requirements and priorities

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Possibility to meet clients annually in Europe
• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Чи захоплюєтесь ви створенням масштабної хмарної інфраструктури даних, яка має реальний вплив? Ми шукаємо Senior Data Engineer, який приєднається до нашої команди та працюватиме над важливим проєктом у сфері медичних технологій. Ця роль передбачає віддалений формат роботи з можливістю співпрацювати з міжнародними командами.

У Sigma Software ми створюємо інноваційні ІТ-рішення для глобальних клієнтів у різних галузях і пишаємося проєктами, які покращують життя людей. Приєднавшись до нас, ви працюватимете з передовими технологіями, робитимете внесок у значущі ініціативи та розвиватиметеся в підтримуючому середовищі.

Клієнт:
Наш клієнт — провідна компанія у сфері медичних технологій. Її портфель продуктів, сервісів та рішень знаходиться в центрі процесів клінічного прийняття рішень і побудови шляхів лікування. Інновації, орієнтовані на пацієнтів, завжди були і залишаються основою діяльності компанії. Клієнт прагне покращувати результати лікування та досвід пацієнтів незалежно від того, де вони живуть і з якими викликами стикаються. Компанія інноваційно розвивається, щоб забезпечити доступ до медицини для кожного, всюди.

Проєкт:
Проєкт зосереджений на створенні та підтримці масштабної хмарної інфраструктури даних для медичних застосунків. Він включає проєктування ефективних data pipelines, створення self-service інструментів та реалізацію мікросервісів для спрощення складних процесів. Робота безпосередньо впливатиме на те, як медичні установи отримують доступ до критично важливих медичних даних, обробляють їх та аналізують, що зрештою покращує якість медичної допомоги пацієнтам.

 

Обов'язки: 

• Співпрацювати з Product Owner та технічними лідами для визначення та проєктування ефективних pipelines і схем даних
• Будувати та підтримувати інфраструктуру для хмарних платформ за допомогою Terraform
• Проєктувати та впроваджувати масштабну хмарну інфраструктуру даних, self-service інструменти та мікросервіси
• Працювати з великими наборами даних для оптимізації продуктивності та забезпечення безперебійної інтеграції даних
• Розробляти та підтримувати архітектури даних і pipelines для команди відповідно до принципів ETL та Data Lake
• Виявляти, аналізувати та впорядковувати різнорідні джерела даних у зрозумілі та чисті схеми

Вимоги:

• Можливість раз на рік зустрічатися з клієнтами в Європі
• Практичний досвід роботи з хмарними сервісами для даних та аналітики
• Досвід data modeling, reporting tools, data governance та data warehousing
• Впевнене володіння Python і PySpark для розподіленої обробки даних
• Досвід роботи з Azure, Snowflake та Databricks
• Досвід роботи з Docker та Kubernetes
• Знання infrastructure as code (Terraform)
• Просунуті навички SQL та знайомство з big data базами даних, такими як Snowflake, Redshift тощо
• Досвід роботи зі stream processing технологіями, такими як Kafka, Spark Structured Streaming
• Рівень англійської не нижче Upper-Intermediate