Sigma Software

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 a Middle-level Power BI Specialist passionate about turning data into actionable insights? This is your chance to work on a high-impact logistics analytics project with one of Europe’s leading providers in the field.

We at Sigma Software are looking for a motivated, self-driven professional to join our team. This role offers a hybrid work model with flexibility to work remotely or from our offices. You will collaborate with experts in data visualization and logistics optimization, contributing to solutions that make supply chains smarter and more efficient.

Why join us? At Sigma Software, you’ll work in a supportive environment with opportunities for professional growth, access to cutting-edge technologies, and a benefits package that includes health insurance, education support, and corporate events.

CUSTOMER
Our customer is headquartered in Germany and is one of Europe’s leading logistics providers. They specialize in developing and implementing integrated supply chain systems, leveraging data to optimize logistics operations. Operating across multiple European countries, they are recognized for innovation in logistics technology and sustainability initiatives.

PROJECT
The project aims to build a new analytics dashboard solution for a logistics system while maintaining and supporting existing Power BI frontend solutions already in production. The goal is to enhance data-driven decision-making through advanced visualization and reporting tools.

RESPONSIBILITIES:

• Design, develop, and implement new analytics dashboard solutions using Power BI for logistics operations
• Maintain and enhance existing Power BI frontend solutions already in production
• Collaborate with business stakeholders to gather requirements and translate them into effective visualizations and reports
• Optimize Power BI data models for performance and scalability
• Ensure data accuracy, consistency, and integrity across dashboards and reports
• Customize Power BI templates and components to meet specific business needs
• Work with SQL datasets and integrate multiple data sources into unified dashboards

• Support and troubleshoot issues related to Power BI reports and dashboards

   

REQUIREMENTS:

• 2+ years of experience with Power BI for building dashboards and reports
• Good understanding of data structures and data analysis
• Experience working with Power BI semantic models, including relationships and data organization
• Ability to work with Power BI templates and customize reports
• Strong attention to detail and ability to translate business requirements into meaningful visualizations
• Advanced Power BI knowledge and practical experience
• Proficiency with SQL datasets
• Strong ability to create complex reports and dashboards
• Experience with DAX and Tabular Editor
• Knowledge of Star Schema for Power BI data modeling
• Strong communication and problem-solving skills

• Upper-Intermediate English level

   

WILL BE A PLUS:

• Experience with real or near real-time data processing in Power BI

   

PERSONAL PROFILE:

• Motivated, self-driven, and positive professional
• Strong communication skills
• Passionate about solving challenging tasks
• Committed to delivering high-quality analytical solutions

Are you a seasoned Java expert ready to lead a high-performing team in building secure, scalable, and impactful enterprise systems?

At Sigma Software, we value shared ownership, technical excellence, and continuous improvement. As a Senior Software Developer/Team Lead, you will guide a cross-functional team, shape the system architecture, and deliver solutions for regulated environments.

You’ll work in a collaborative environment, gain exposure to complex projects, and enjoy professional growth supported by modern engineering practices.

Sounds like you? Take your chance, and let’s grow up together.

Job Description:

• Lead a cross-functional team of 2–7 engineers, fostering ownership, quality, collaboration, and continuous improvement
• Stay hands-on with code while guiding technical decisions and system architecture evolution
• Design, review, and evolve system architecture with a focus on scalability, performance, and maintainability
• Collaborate with Product Owner, Business Analysts, DevOps, and other delivery teams to align solutions with business goals
• Mentor developers, conduct regular code and technical reviews, and support individual growth through 1:1 sessions
• Influence and improve development processes, engineering best practices, and team workflows
• Manage the full development lifecycle, including sprint planning, estimation, delivery tracking, and retrospectives
• Contribute to long-term technical vision and grow towards broader technical leadership or architectural roles
• Ensure security and data protection requirements are met in regulated environments
• Represent the technical team in stakeholder discussions, communicating progress, risks, and trade-offs

Qualifications:

• 6+ years of commercial software development experience
• 1–3 years in a Team Lead or Technical Lead role, or readiness to step into leadership
• Strong expertise in Java and at least one modern JavaScript framework (React, Angular, Vue)
• Solid understanding of software architecture patterns (microservices, event-driven systems)
• Experience with CI/CD pipelines and containerized environments
• Background in building enterprise, FinTech, or other complex distributed systems
• Strong communication skills with the ability to explain technical decisions and mentor others
• At least an Upper-Intermediate level of English

Will be a plus:

• Experience in regulated or security-sensitive environments
• Exposure to GovTech or FinTech domains
• Familiarity with AI or data analytics integrations in enterprise systems
• Motivation to grow beyond the current role and influence technical direction at scale

Ви досвідчений Java експерт, готовий очолити високоефективну команду та створювати безпечні, масштабовані й значущі корпоративні системи?
Ви працюватиме у командній атмосфері, матиме доступ до складних проєктів та можливість професійного зростання, підтриманого сучасними інженерними практиками.

Обовʼязки:

• Керувати кросфункціональною командою з 2 −7 інженерів, підтримуючи відповідальність, якість, співпрацю та постійне вдосконалення
• Бути залученим до написання коду, водночас спрямовуючи технічні рішення та розвиток архітектури системи
• Проєктувати та вдосконалювати архітектуру з фокусом на масштабованість, продуктивність та підтримуваність
• Співпрацювати з Product Owner, Business Analysts, DevOps та іншими командами для узгодження рішень із бізнес-цілями
• Менторити розробників, проводити регулярні code review та технічні огляди, підтримувати індивідуальний розвиток через 1:1
• Впливати на процеси розробки, впроваджувати інженерні best practices та вдосконалювати робочі процеси команди
• Керувати повним циклом розробки, включно з плануванням спринтів, оцінюванням, відстеженням виконання та ретроспективами
• Робити внесок у довгострокове технічне бачення та рухатися до ширших ролей технічного лідерства або архітектора
• Забезпечувати виконання вимог безпеки та захисту даних у регульованих середовищах
• Представляти технічну команду на зустрічах зі стейкхолдерами, комунікувати прогрес, ризики та компроміси

Вимоги:

• 6+ років комерційного досвіду у розробці ПЗ
• 1–3 роки досвіду на позиції Team Lead або Technical Lead, або готовність перейти в лідерську роль
• Глибокі знання Java та щонайменше одного сучасного JavaScript-фреймворку (React, Angular, Vue)
• Чітке розуміння шаблонів архітектури ПЗ (microservices, event-driven systems)
• Досвід роботи з CI/CD-пайплайнами та контейнеризованими середовищами
• Досвід створення корпоративних, FinTech або інших складних розподілених систем
• Сильні комунікаційні навички, здатність пояснювати технічні рішення та менторити інших
• Рівень англійської не нижче Upper-Intermediate

Буде плюсом:

• Досвід роботи в регульованих або чутливих до безпеки середовищах
• Знання доменів GovTech або FinTech
• Ознайомленість з інтеграціями AI або data analytics у корпоративних системах
• Мотивація розвиватися за межі поточної ролі та впливати на технічний напрямок у масштабі

Sigma Software is a global IT service provider delivering high-quality software development, consulting, and IT solutions for clients in Europe, the US, and worldwide. We value innovation, quality, and collaboration, partnering with major technology leaders across various domains to create impactful solutions. 
You will join the IT Solutions Department, a core unit responsible for delivering technology solutions, developing and maintaining internal and customer-facing applications, and driving digital transformation across multiple business areas. 

The team focuses on building scalable software solutions, integrating modern cloud technologies, and actively exploring AI-driven development approaches to improve engineering efficiency and product capabilities. 

We are looking for an engineer who is passionate about Artificial Intelligence, already has hands-on experience with modern AI-assisted development tools, and is motivated to further develop this expertise while working on complex distributed systems. 

Responsibilities 

• Design, develop, and maintain backend services using TypeScript and JavaScript 
• Build scalable APIs and microservices using NestJS 
• Work with distributed systems and ensure high reliability and performance 
• Integrate cloud services and deploy applications in AWS or Azure 
• Implement and maintain CI/CD pipelines to support efficient delivery 
• Actively leverage AI development tools (e.g., Cursor, Claude Code) to improve productivity and code quality 
• Collaborate with cross-functional teams to deliver high-quality technical solutions 
• Contribute to architectural decisions and technical improvements across the platform 
• Stay up to date with emerging AI tools and engineering practices 

Requirements 

• Strong hands-on experience with TypeScript and JavaScript 
• Solid experience with NestJS or similar Node.js frameworks 
• Experience designing and working with distributed systems 
• Practical experience with cloud platforms (AWS or Azure) 
• Experience implementing or working with CI/CD pipelines 
• Experience using AI-assisted development tools such as Cursor or Claude Code 
• Strong problem-solving skills and ability to work in complex technical environments 
• Passion for AI technologies and desire to deepen expertise in this field 
• Upper-Intermediate or higher level of English 

Nice to Have 

• Experience with React 

Sigma Software provides high-quality services in software development, graphic design, testing, and support. Our solutions deliver value across diverse industries, including automotive, telecommunications, aviation, advertising, gaming, banking, real estate, healthcare, and others.

We are seeking a qualified Senior Business Analyst / Proxy Product Owner with extensive experience in data-driven projects of varying complexity, ideally with a strong background in Data Warehouse (DWH) development and BI reporting to join an internal company project.

In this role, you will play a key part in strengthening our Data Platform, enhancing data quality, and driving strategic initiatives through effective requirement gathering, in-depth problem analysis, and close collaboration with both internal and external stakeholders. This position combines classic business analysis with hands-on work involving data, dashboards, and analytical tools.
 

Responsibilities:

• Collaborate closely with stakeholders to gather, refine, and prioritize business requirements aligned with strategic objectives
• Work closely with product owners, development teams, QA engineers, and designers to ensure clear understanding and implementation of business requirements
• Analyze existing business processes and systems to identify areas for improvement and propose innovative solutions
• Create detailed documentation including process flows, user stories, and other artifacts to effectively communicate requirements and solution designs
• Critically evaluate information gathered from multiple sources, reconcile conflicts, decompose high-level information into details, abstract up from low-level information to a general understanding, and distinguish user requests from underlying real needs
• Develop and maintain BI dashboards and regular analytical reports using Apache Superset, and occasionally Power BI, Tableau
• Create report prototypes and analytical visualizations independently when needed
• Contribute to the automation, standardization, and optimization of reporting processes
• Conduct demo sessions for stakeholders and prepare user documentation to facilitate adoption of delivered solutions
   

Requirements:

• 4–5 years of professional experience as a Business Analyst
• Practical experience with BI tools (Superset, Power BI, preferably Tableau)
• Experience in building and presenting dashboards
• Strong understanding of iterative ways of working, especially Scrum
• Upper-Intermediate level of English
   

Will be a plus:

• Experience on data-intensive projects involving BI solutions, reporting, and data platform development
• Experience participating in the development of a Data Warehouse/SSA layer
• Experience building BI prototypes or POCs independently before involving developers
• Confident SQL skills
• Solid understanding of data modeling principles
   

Personal profile:

• A proactive mindset and the ability to dive deep into complex business problems
• Proven problem-solving and conflict resolution skills
• Strong results-oriented mindset
• Excellent communication skills, both written and verbal

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 Junior/Middle Technical Support Specialist to join our expanding team. This role offers the chance to work in close collaboration with a Swedish engineering and development center, supporting innovative connectivity services for future vehicles.

Join us and be part of a company that delivers high-quality solutions to global leaders while fostering innovation and excellence.

Customer

You will have an opportunity to work with a worldwide leader in the Automotive Engineering domain.

Project

Support project for the Swedish engineering and development center working on future C-segment cars. Engineers will support connectivity service with operations and monitoring as a supplement to the daily business for the European market of the client.

Requirements

• Knowledge from GCP tools (Google Cloud Armor, Google Security Command Center, Google IAM) and MQTT & HTTPS
• Experience with open tracing standards; Kiali Service Mesh and configuration
• Working with Kubernetes
• Understanding of standard ITSM processes (log and report incidents/problem)
• Upper-Intermediate level of English
• Readiness for night shifts

Would be a plus

• Understanding of tools such as: Stackdriver, Grafana, Gitlab
• Experience with Ivanti Incident Management

Personal Profile

• Open-minded and able to adapt
• Organized and structured
• Attentive to details

Responsibilities

• Provide 2-level technical support on out-of-office and weekend basis
•  Securing agreed service levels in accordance with the Service Level Agreement (SLA)
• Monitoring of Infrastructure and Integration into other systems
• Incident and escalation reporting
• Maintaining and developing positive relationships with customers and colleagues

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

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 

We are seeking a highly skilled Solution Architect to drive design and delivery of cutting-edge AdTech platforms and innovations.

This role offers the opportunity to contribute to impactful AdTech initiatives in programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. The focus is on developing advanced technical solutions that help global clients accelerate growth and unlock meaningful business value.

Project

By joining our team, you will have the opportunity to work on a variety of AdTech initiatives that span programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. These projects are focused on developing advanced, high-value technical solutions that help our clients scale, grow, and evolve.

This role is well-suited for those who bring strong architectural thinking skills, experience with high-performance distributed systems, and the ability to translate complex technical concepts into clear ideas for diverse audiences. The environment is dynamic and collaborative, with daily interaction between engineers, PMs, data experts, product owners, and customer stakeholders who work together to build innovative solutions.

The responsibilities include guiding teams, driving architectural decisions, supporting pre-sales activities, leading discovery phases, evaluating technologies, and introducing forward-thinking approaches to address sophisticated AdTech challenges. This position involves working with mission-critical platforms that operate under extreme performance requirements, such as low latency, high load, and large volumes of data.

This role offers a unique opportunity to grow within a strong and supportive community of experts for those who enjoy solving complex technical problems, contributing to long-term partnerships, and shaping next-generation AdTech solutions.

Requirements

• 7+ years of experience in software development
• 3+ years in a technical leadership or architecture role
• Strong proficiency in at least one of the following languages: C++, Golang, Rust, or Node.js
• Proven experience designing and building high-load, low-latency, and scalable cloud platforms
• Hands-on experience with containerization and orchestration (Docker, Kubernetes, Helm, etc.)
• Successful track record in consulting engagements, pre-sales activities, and client-facing presentations
• Strong understanding of distributed systems, performance optimization, messaging, caching, and API design
• Advanced level of English

Would be a plus

• Experience in the AdTech domain (SSP, DSP, ad server, header bidding, OpenRTB, Prebid, VAST, user sync, identity solutions, audience data, measurement/attribution, etc.)
• Hands-on knowledge of real-time bidding systems and auction mechanics
• Familiarity with mobile ad delivery (iOS/Android)
• Experience designing SDKs, APIs, libraries, and integration frameworks
• Experience with ad integrations, analytics pipelines, consent management (TCF/GPP), and fraud detection
• Experience with Prebid ecosystem
• Understanding of privacy-driven architectures and GDPR/CCPA compliance principles

Personal Profile

• Self-driven, independent, detail-oriented, and a responsible team player
• Excellent communication skills and works well with both engineering teams and business stakeholders

Responsibilities

• Design, architect, and oversee the implementation of AdTech solutions, including SSPs, DSP integrations, ad servers, RTB pipelines, header bidding systems, identity frameworks, analytics pipelines, and auction engines
• Act as a technical driver across multiple initiatives, ensuring architectural consistency, quality, and scalability
• Stay up to date with evolving AdTech standards (OpenRTB, Prebid, VAST, GPP, TCF 2.2, UID2, RampID, etc.)
• Lead the discovery and assessment phases, including architecture reviews, gap analysis, and solution scoping
• Provide technical estimation, advisory services, PoCs, and support during pre-sale activities
• Translate complex business requirements into scalable and compliant technical architectures
• Define architectural standards, best practices, reference models, governance rules, CI/CD expectations, and operational guidelines
• Collaborate with development teams to ensure high-quality implementation and adherence to architectural decisions
• Provide recommendations for solution design, performance tuning, data modeling, and cost optimization
• Guide teams in building future-proof, maintainable, and scalable software components
• Mentor engineers, conduct knowledge-sharing sessions, and support professional growth of the team

Are you passionate about building impactful mobile solutions? We at Sigma Software are looking for an experienced Android Engineer with strong Java/Kotlin skills to join our team and work on Android system internals. This is a Middle-level position offering the opportunity to contribute to innovative accessibility solutions used by enterprises worldwide.

You can work remotely, onsite, or in a hybrid format — we are flexible to fit your lifestyle. At Sigma Software, you will join a collaborative environment where your expertise will directly influence product quality and user experience. Why join us? We offer competitive benefits, a supportive team culture, and projects that make a real difference.

CUSTOMER
Our client is a rapidly growing technology leader in digital accessibility software. Their AI-enabled products help enterprises make web and mobile offerings accessible to everyone, saving developer time and reducing risk through proprietary discovery and analysis algorithms integrated directly into software development pipelines.

PROJECT
The project focuses on enhancing Android system internals to deliver accessibility features for enterprise-grade applications. It involves advanced Android development, integration of AI-powered accessibility tools, and collaboration with cross-functional teams to ensure compliance with accessibility standards.

JOB DESCRIPTION

• Conduct in-depth research into Android system internals
• Develop and deliver high-quality, enterprise-grade features according to product requirements
• Collaborate closely with support, product management, and other mobile teams
• Stay up to date on mobile development trends and advancements in accessibility
• Ensure solutions meet accessibility compliance standards
• Participate in code reviews and contribute to architecture decisions

QUALIFICATION

• 3–4 years of commercial experience in Android development (or Kotlin/Java background combined with Android experience)
• Strong knowledge of Android SDK and platform architecture
• Understanding of Android application lifecycle and component lifecycle
• Familiarity with Android APIs and common design patterns
• Strong understanding of Android UI frameworks: Jetpack Compose, XML layouts, and WebViews
• Experience with dependency management tools (Gradle, Maven, JFrog)

• Upper-Intermediate or higher level of spoken and written English

   

WILL BE A PLUS

• Experience with accessibility features and standards
• Experience developing and integrating SDKs
• Familiarity with automation frameworks (Appium, Espresso)
• CI/CD experience with platforms like CircleCI or Jenkins
• Ensure solutions meet accessibility compliance standards
• Participate in code reviews and contribute to architecture decisions

PERSONAL PROFILE

• Proactive attitude
• Strong team player with a collaborative mindset
• Independent and self-motivated learner
• Strong problem-solving skills and attention to detail

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. 
 

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  

• At least 4 years  of experience applying machine learning, statistical modeling, and data mining techniques to real-world business problems
• Strong programming skills in Python and/or R
• Solid understanding of machine learning algorithms, their applications, and statistical principles
• Experience building and productionizing data pipelines and ML models in cloud environments, preferably AWS
• Hands-on experience working with large-scale data using PySpark or RSpark
• Proficient in SQL and experienced with Excel for data analysis and reporting
• Ability to measure the business impact of ML models using proper evaluation frameworks
• Familiarity with version control systems and agile development practices
• 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 

Sigma Software provides high-quality services in software development, graphic design, testing, and support. Our solutions deliver value across diverse industries, including automotive, telecommunications, aviation, advertising, gaming, banking, real estate, healthcare, and others.

We are seeking a qualified Senior Business Analyst / Proxy Product Owner with extensive experience in data-driven projects of varying complexity, ideally with a strong background in Data Warehouse (DWH) development and BI reporting to join an internal company project.

In this role, you will play a key part in strengthening our Data Platform, enhancing data quality, and driving strategic initiatives through effective requirement gathering, in-depth problem analysis, and close collaboration with both internal and external stakeholders. This position combines classic business analysis with hands-on work involving data, dashboards, and analytical tools.

Responsibilities:

• Collaborate closely with stakeholders to gather, refine, and prioritize business requirements aligned with strategic objectives
• Work closely with product owners, development teams, QA engineers, and designers to ensure clear understanding and implementation of business requirements
• Analyze existing business processes and systems to identify areas for improvement and propose innovative solutions
• Create detailed documentation including process flows, user stories, and other artifacts to effectively communicate requirements and solution designs
• Critically evaluate information gathered from multiple sources, reconcile conflicts, decompose high-level information into details, abstract up from low-level information to a general understanding, and distinguish user requests from underlying real needs
• Develop and maintain BI dashboards and regular analytical reports using Apache Superset, and occasionally Power BI, Tableau
• Create report prototypes and analytical visualizations independently when needed
• Contribute to the automation, standardization, and optimization of reporting processes
• Conduct demo sessions for stakeholders and prepare user documentation to facilitate adoption of delivered solutions

Requirements:

• 3–4 years of professional experience as a Business Analyst working on data-intensive projects involving BI solutions, reporting, and data platform development
• Confident SQL skills and a solid understanding of data modeling principles
• Practical experience with BI tools (Superset, Power BI, preferably Tableau)
• Experience in building and presenting dashboards
• Strong understanding of iterative ways of working, especially Scrum
• Upper-Intermediate level of English

Will be a plus:

• Experience participating in the end-to-end development of a Data Warehouse / SSA layer from scratch
• Experience building BI prototypes or POCs independently before involving developers

Personal profile:

• A proactive mindset and the ability to dive deep into complex business problems
• Proven problem-solving and conflict resolution skills
• Strong results-oriented mindset
• Excellent communication skills, both written and verbal

Are you looking to grow your career in a global IT environment? At Sigma Software, we are inviting a Junior Configuration Specialist to join our expanding support team and contribute to delivering high-quality solutions for enterprise customers.

In this role, you will gain hands-on experience working with Icertis CLM — a leading Contract Lifecycle Management platform — and develop your skills in system configuration, testing, and documentation within a collaborative international team.

You will be part of a company that values professional growth, provides exposure to global projects, and fosters a supportive environment where your contribution truly matters.

You will work with Icertis CLM, a market-leading enterprise Contract Lifecycle Management platform used by global organizations to streamline contract creation, approval, and compliance processes. The solution automates workflows, improves operational efficiency, and helps reduce risks associated with contract handling across different markets.

Job Description

• Configure Icertis CLM components, including workflows, templates, clauses, fields, and metadata
• Perform system setup tasks based on clearly defined business and technical requirements
• Support data preparation activities and participate in configuration testing and validation
• Maintain configuration documentation and ensure accuracy of configuration records
• Troubleshoot configuration-related issues and implement approved minor changes
• Collaborate with team members to ensure consistent implementation of best practices

Qualifications

• 2+ years of experience working with enterprise systems (CLM, CRM, ServiceNow, ERP, SAP, or similar)
• Hands-on experience with system configuration (not limited to analysis or design tasks)
• Ability to elicit requirements and follow specifications carefully and work independently on assigned tasks
• Strong attention to detail and a structured, methodical approach to work
• English level: Intermediate or higher (reading and writing)

WOULD BE A PLUS

• Experience with integrations or automation tools
• Knowledge of contract management processes
• Certifications in enterprise platforms (e.g., Icertis CLM, Salesforce, SAP)

Additional information

PERSONAL PROFILE:

• Detail-oriented and methodical
• Strong communication and interpersonal abilities
• Collaborative mindset

We are seeking a highly skilled Node.js expert, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance.

Customer:

Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.

Requirements:

• Over 5 years of experience in Back-end software development
• At least 3 years of experience with TypeScript
• Over 4 years of experience working with Node.js
• Strong experience in designing distributed and secure systems
• Good Front-end development skills
• Good understanding of microservices architectures
• Experience in designing, building, and maintaining APIs
• Experience in building and consuming REST and/or GraphQL APIs
• Familiarity with DevOps practices
• Strong experience working with AWS
• Good knowledge of testing best practices
• At least an Upper-Intermediate level of English

Responsibilities:

• Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on React and Node.js
• Keep consistently high level of quality throughout all stages of the development
• Communicate effectively to actively collaborate with the team and get context for complex tasks
• Follow best engineering practices and company and client guidelines
• Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
• Promote clean code and design patterns and principles