Sigma Software

We are seeking a Test Engineer to join our big team and be a primary point of contact with the Customer on quality assurance matters. As a member of our team, you will have the opportunity to work with various products that share common functionalities. You will also develop a cohesive testing strategy that meets Customer needs and ensures high-quality results by collaborating closely with the team.

You will have a chance to challenge yourself, grow as a technologist and a professional, and make an incredible impact on the Customer’s products.

CUSTOMER
Our Customer is a leading European supplier of eco-friendly, energy-efficient indoor climate solutions. They aim to provide modern climate control in all types of buildings by using renewable energy sources and the latest technology.

PROJECT
Our project involves the development of smart home climate solutions for a client operating in the heating, ventilation, and air conditioning (HVAC) sector. Together with the client, we provide smart climate solutions featuring wireless connectivity and intelligent control for any type of property, including apartment blocks, industrial buildings, hotels, or country houses, to help reduce energy consumption for our client’s customers and society at large.

The team is responsible for developing and maintaining universal electronics and firmware platforms.

The mission of the project is to deliver scalable, reliable, and secure solutions that accelerate time-to-market for new products while supporting the company’s global vision of transitioning to energy-efficient and sustainable technologies.

REQUIREMENTS
- 2+ years of experience as a Manual QA Engineer in embedded or firmware projects
- Solid knowledge of testing methodologies and ability to write test cases and reports
- Experience with bug tracking and test management systems
- Basic hardware skills (flashing, setup, and diagnostics)
- Experience with Unix platforms
- Experience in network (understanding of TCP/UDP)
- Experience with sniffers and debugging tools (ex. Charles, Wireshark)

- Hands-on electronics experience, including:

• flashing and debugging hardware
• soldering PCBs and performing small-scale repairs

- Experience in API testing (Postman, Bruno) 

- Upper-Intermediate level of English 

RESPONSIBILITIES
- Perform functional, integration, and regression testing of embedded software
- Create and maintain test documentation (checklists, test cases, and bug reports)
- Participate in release planning and synchronization meetings with the development team
- Collaborate closely with developers, architects, and other QA engineers
- Identify, log, and track defects until resolution
- Contribute to the overall product and process quality according to company standards

Ми шукаємо Test Engineer до нашої великої команди, де ти станеш основною контактною особою для замовника з питань забезпечення якості ПЗ. Ти працюватимеш із кількома продуктами, що мають спільні функціональні можливості, та разом із командою розробиш цілісну стратегію тестування, яка відповідатиме потребам клієнта й забезпечуватиме високу якість розроблених рішень.

У тебе буде шанс випробувати себе, зростати як технолог і професіонал, а також зробити неймовірний вплив на продукти клієнта.

КЛІЄНТ
Наш клієнт є провідним європейським постачальником екологічних, енергоефективних рішень для клімат-контролю в приміщеннях. Вони прагнуть забезпечити сучасний кліматичний контроль у всіх типах будівель за допомогою відновлюваних джерел енергії та новітніх технологій.

ПРОЕКТ
Наш проєкт передбачає розробку інтелектуальних рішень для клімат-контролю в будинках. Ми співпрацюємо з клієнтом, що працює в галузі опалення, вентиляції та кондиціонування повітря (HVAC). Спільно з клієнтом ми пропонуємо інтелектуальні кліматичні рішення з бездротовим підключенням та інтелектуальним управлінням для будь-якого типу нерухомості, будь то багатоквартирні будинки, промислові будівлі, готелі або заміські будинки, щоб допомогти зменшити споживання енергії для замовників нашого клієнта та суспільства в цілому.

Команда відповідає за розробку та підтримку універсальних електронних і програмних платформ.

Ціль проєкту полягає в наданні масштабованих, надійних і безпечних рішень, які прискорюють вихід нових продуктів на ринок, підтримуючи глобальну концепцію компанії щодо переходу на енергоефективні та стійкі технології.

ВИМОГИ
- 2+ роки досвіду як Manual QA Engineer в проєктах з вбудованим програмним забезпеченням або прошивкою
- Добре знання методологій тестування та вміння писати тестові випадки й звіти
- Досвід роботи з системами відстеження помилок та управління процесом тестування
- Базові навички роботи з апаратним забезпеченням (прошивання, налаштування та діагностика)
- Досвід роботи з Unix-платформами
- Базове розуміння мереж (TCP/UDP)
- Досвід роботи зі сніферами та інструментами налагодження (наприклад, Charles, Wireshark)

- Практичний досвід роботи з електронікою, включаючи:

• прошивку та налагодження обладнання
• пайку друкованих плат (PCB) та виконання дрібних ремонтів

- Досвід тестування API (Postman, Bruno) 
- Володіння англійською мовою на рівні Upper-Intermediate

ОБОВ’ЯЗКИ
- Виконувати функціональне, інтеграційне та регресійне тестування вбудованого ПЗ
- Створювати та підтримувати тестову документацію (чеклисти, тестові випадки, баг-репорти)
- Брати участь у плануванні релізів і синхронізаційних зустрічах із командою розробки
- Тісно співпрацювати з розробниками, архітекторами та іншими QA-інженерами
- Виявляти, реєструвати та відстежувати дефекти до їхнього усунення
- Сприяти загальній якості продукту й процесів відповідно до стандартів компанії

We are looking for a passionate Business Analyst for a healthcare project in our Mobile and Web Solutions department, which unites almost 400 professionals specializing in various technologies.

Are you proactive, skilled in business communication, and ready for exciting challenges? We’re looking for someone who does more than write requirements — someone who is a true partner to stakeholders, eager to collaborate with a team of seasoned professionals, and take part in regular business trips to the USA.

If the description resonates with you, we look forward to meeting you and working together on interesting and challenging tasks that will expand our BA expertise!

Customer

Our client, a pioneering healthcare technology company, is embarking on an ambitious project to transform clinician workflows.

Project

This project focuses on logistics management and involves the development of a comprehensive platform from the ground up. Clinicians will gain the ability to seamlessly monitor, observe, and respond to various tools and equipment conditions in real time. The solution emphasizes efficient data transmission and will integrate seamlessly with both existing and new company products, creating a cohesive ecosystem for healthcare professionals.

Responsibilities

• Communicate directly with external and internal stakeholders to identify, clarify, and prioritize requirements
• Create, review, and maintain up-to-date project documentation
• Perform requirements management
• Perform change management
• Conduct market analysis
• Mentor Junior business analysts and contribute to expanding BA expertise within the company

Requirements

• 5+ years of experience as a Business Analyst
• Understanding of modern trends in web and mobile application development
• Strong experience in documenting requirements (knowledge of approaches and tools for requirements specification at different levels of detail)
• Ability to manage requirements and changes
• Deep understanding of SDLC
• Ability to translate high-level ideas into specific requirements with clear acceptance criteria
• Understanding of project goals and ability to form MVP requirements
• Advanced level of English or higher

Would be a plus:

• Experience in pre-sales activities
• Experience with UI/UX
• BA certification (CBAP, CCBA, or PMI-PBA)

We’re looking for a Senior Python Developer to join our ConnectWise team!

Are you passionate about building large-scale, cloud-native systems that power automation for IT professionals worldwide?

Join us to modernize and re-architect a global backup and disaster recovery platform — trusted by thousands of companies. You’ll work with Python, AWS, and Kubernetes to design microservices, optimize performance, and ensure reliability under real-world conditions.

Here your technical vision matters — you’ll help define architecture, set best practices, and mentor others as we transform legacy code into a robust, scalable solution.

Let’s turn complex challenges into elegant, high-performing systems together!

You will lead the re-architecture and rewrite of a legacy backup & disaster-recovery (BCDR) platform into a modern microservices architecture. You will build scalable, resilient, cloud-native services running on Kubernetes in AWS, design robust database layers, and collaborate closely with the leads, developers, and product team on the Client side to deliver a high-availability, high-performance system. You’ll help define architecture, set best practices, mentor engineers, and ensure the system meets SLAs under heavy load and disaster scenarios.

Customer

ConnectWise is the world’s leading software company dedicated to the success of IT solution providers. The company’s vision is to power a thriving IT ecosystem that transforms what’s possible for small and medium-sized businesses (SMBs), and it does so by empowering IT solution providers with unmatched software, services, and community to help them achieve their most ambitious vision of success. Its tools are used by IT service providers to automate their activities for SMBs, such as data backup and recovery, security management, and administrative tasks on Microsoft 365 tenants.

Project

Our Customer is ConnectWise, a U.S.-based company. 

The tools developed within this project are designed to help IT service providers automate operations performed for small and medium-sized businesses (SMBs), including data backup and restore processes, security management, and administrative tasks for Microsoft 365 tenants. 

The Customer values proactive collaboration and welcomes technical and process improvement ideas from our team. This project offers numerous opportunities to brainstorm, evaluate solutions, and implement best practices to effectively address technical challenges. 

The Sigma Software team will consist of 9 specialists: 

• 7 Python Developers 
• 1 Product Manager 
• 1 Designer 

We follow a Kanban-based process and hold daily status meetings with the Customer. 

Project duration: Long-term — 1 year, with the potential for extension. 
Technologies: Python, Kubernetes, AWS. 

Requirements

• 5+ years of professional Python development experience (or equivalent), building production-grade backend systems
• Strong experience in microservices architecture: service decomposition, inter-service communication, API design, versioning, service discovery
• Hands-on experience with containerization and orchestration (Docker, Kubernetes)
• Solid experience with relational databases (e.g. PostgreSQL, MySQL) including schema design, indexing, replication, partitioning, migrations
• Experience building systems deployed on AWS
• Understanding of distributed systems
• Experience in designing for high availability, fault-tolerance, resilience, and disaster recovery
• Strong debugging, profiling, and performance tuning skills (e.g. handling concurrency, memory, I/O)
• Experience migrating or refactoring legacy monolithic systems to modern architectures
• Proficient in writing clean, maintainable, tested code (unit tests, integration tests); familiarity with test automation
• Excellent problem-solving skills, ability to break down complex problems, make trade-offs, and deliver pragmatic solutions
• Good communication skills and ability to work cross-functionally with product, QA, operations, and business stakeholders
• Leadership or mentoring experience is a plus.

Responsibilities

• Drive the redesign and reimplementation of legacy modules into a microservices-based architecture using Python
• Design, build, test, deploy, and maintain backend services (REST APIs, internal services, messaging, task queues) running in containers, orchestrated via Kubernetes
• Collaborate with DevOps/SRE to define CI/CD pipelines, automation, monitoring, alerting, metrics, and deployment strategies (blue/green, canary, rolling)
• Ensure high reliability, fault-tolerance, graceful degradation, and recovery in error conditions (network partitions, node failures, resource exhaustion)
• Design and implement service communication patterns (synchronous, asynchronous, event-driven, pub/sub), versioning, and backward compatibility
• Define and enforce best practices: code quality, modularity, documentation, observability (logging, tracing, metrics)
• Conduct performance profiling and tuning, address bottlenecks, optimize throughput, latency, concurrency, and memory usage
• Mentor and coach more junior engineers: conduct code reviews, share architectural knowledge, promote best practices
• Participate in product planning and design discussions help translate features/requirements into scalable technical solutions
• Handle migration strategies: incrementally decompose legacy monolith, manage data schema migrations, ensure safe cutovers and rollbacks
• Thrash in edge cases: backup/restore, disaster recovery workflows, handling large data volumes, integrity checks (AutoVerify), data immutability (AirGap)
• Engage in system-level thinking: capacity planning, fault injection, chaos testing, disaster scenarios, resilience in cloud environments

Company Description

We are looking for a Strong Middle or Senior Software Engineer to be responsible for developing high-quality, innovative, fully performing software in compliance with coding standards. This individual will work in partnership with cross-functional teams to ensure that software deliverables, including designs, codes, and tests, are completed in a timely manner, while remaining aligned with industry and organizational standards. 
The team on our side is expected to include 6 people: 5 Developers + 1 QA Engineer 

We are following a Kanban-based process and you should expect daily status meetings with the Customer. 

CUSTOMER

Our Customer ConnectWise is the world's leading software company dedicated to the success of IT solution providers. 

Their vision is to power a thriving IT ecosystem that transforms what’s possible for small and medium sized businesses (SMBs) and do this by empowering IT solution providers with unmatched software, services, and community to achieve their most ambitious vision of success. 

The tools being developed are used by IT service providers to automate their activities for SMBs, such as backup and restore, providing security, and performing administrative tasks on Microsoft 365 tenants.

PROJECT

A platform that provides business intelligence reporting & dashboards purpose-built for MSPs. Gives visibility into KPIs that matter most to IT service providers. 

Job Description

• Provide support to the Engineering teams, with a high attention to detail 
• Research, analyze, and document findings 
• Coach and review the work of other team members 
• Design, build, and maintain large-scale production services, web applications, data pipelines, and streaming systems 
• Debug production issues across services and multiple levels of the stack 
• Assist with improvement of organizational engineering standards, tooling, and processes 
• Participate in the testing process through test review and analysis, test witnessing, and certification of software 
• Evaluate code to ensure validity, proper structure, alignment with industry standards, and compatibility with operating systems 

• Maintain of current technologies or programming practices through continuing education, reading or participation in professional conferences, workshops, or groups 

   

Qualifications

• At least 5 years of commercial experience in Python development  
• Experience in Python, Django, Celery, Snowflake, PostgresSQL 
• Experience in Microservices, Web API, AWS 
• Strong knowledge and proper usage of object-oriented programming and design principles  
• Experience with cloud deployment, GitLab pipelines 
• At least Upper-Intermediate level of English   
   

NICE TO HAVE​​​​​​​

• Experience with Redis (broker and streams), Kafka, SQS 

• Experience with Single-Sign-On module 

   

Additional Information

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. 

We are looking for a Middle/Senior React Native Developer to join our team and help us develop the best solutions for our clients.

Working as a Developer on this project requires a mindset where we plan, build, and deliver together as a team. As a group, we take a shared responsibility for delivery, including speed, efficiency, and quality, and we also take full responsibility for the operational condition of what we deliver.

As an individual, you’re expected to take ownership, drive initiatives forward, suggest and incorporate improvements across all areas.

Does this sound like you? Take your chance and grow with us.

Customer

Our client is one of the Europe’s biggest GameTech companies and the owner of one of the largest mobile gambling platforms, with millions of users. It is a big company that follows a startup approach. The technology stack is modern and up to date.

Project

As a React Native Engineer, you will work with a talented team of developers to create innovative, high-performing mobile applications for a range of well-known iGaming brands worldwide.

You will need to have a mobile-first approach to development, with an understanding of native app development.

Responsibilities:

• Develop and maintain high-quality React Native applications for both iOS and Android platforms
• Ensure a smooth, engaging user experience
• Focus on the apps for new and growing iGaming brands
• Improve and maintain the applications with a product focus
• Contribute to launching new brands and brand expansions into new markets

Requirements:

• Extensive experience with React and React Native
• Knowledge of GraphQL
• Experience with TypeScript
• Experience with GitHub and/or version control systems
• Upper-Intermediate level of English

Would be a plus:

• Experience writing unit tests

Робота над цим проєктом у ролі розробника вимагає мислення, орієнтованого на командну співпрацю — ми плануємо, створюємо та постачаємо рішення разом. Як команда, ми несемо спільну відповідальність за результат: швидкість, ефективність, якість, а також стабільну роботу того, що ми створили.

Водночас від кожного індивідуально очікується відповідальність за поставлені задачі, ініціативність, просування ідей уперед та внесення покращень у всіх напрямах.

Схоже на тебе? Лови шанс і зростай разом з нами!

Клієнт

Наш клієнт — одна з найбільших GameTech-компаній у Європі та власник однієї з наймасштабніших iGaming платформ з мільйонами користувачів. Це велика компанія, яка працює за принципами стартапу і використовує сучасний технологічний стек.

Проект

Як React Native-інженер, ти приєднаєшся до талановитої команди розробників і працюватимеш над інноваційними, високопродуктивними мобільними застосунками для низки відомих iGaming-брендів по всьому світу.
Тобі потрібно буде застосовувати підхід до розробки, орієнтований на мобільні пристрої, та розуміти особливості розробки нативних застосунків.

Обов’язки:

• Розробляти та підтримувати React Native-застосунки для платформ iOS та Android
• Забезпечувати плавний та зручний користувацький досвід
• Працювати над застосунками для нових і зростаючих iGaming-брендів
• Підтримувати та розвивати застосунки з фокусом на продукт
• Брати участь у запуску нових брендів та виході на нові ринки
• Глибокі знання React і React Native
• Знання GraphQL
• Досвід роботи з TypeScript
• Досвід роботи з GitHub та/або іншими системами контролю версій
• Знання англійської вище середньої

Вимоги:

• Глибокі знання React і React Native
• Знання GraphQL
• Досвід роботи з TypeScript
• Досвід роботи з GitHub та/або іншими системами контролю версій
• Знання англійської вище середньої

Перевагою буде:

• Досвід написання модульних тестів

We’re looking for a Middle Python Developer to join our team!

Would you like to build modern, cloud-based solutions that automate IT operations for companies worldwide? Then, join us to help modernize a global backup and disaster recovery platform, a trusted solution used by thousands of businesses. You’ll work with Python, AWS, and Kubernetes to develop scalable microservices, improve performance, and ensure system reliability.

Here you’ll grow by tackling real technical challenges, collaborating with experienced engineers, and contributing to the evolution of a complex, high-impact product.

Let’s build the future of cloud automation together!

Customer

ConnectWise is the world’s leading software company dedicated to the success of IT solution providers. The company’s vision is to power a thriving IT ecosystem that transforms what’s possible for SMBs, and it does so by empowering IT solution providers with unmatched software, services, and community to help them achieve their most ambitious vision of success. Its tools are used by IT service providers to automate their activities for small and medium-sized businesses (SMBs), such as data backup and recovery, security management, and administrative tasks on Microsoft 365 tenants.

Project

Our Customer is ConnectWise, a U.S.-based company.

The tools developed within this project are designed to help IT service providers automate operations performed for small and medium-sized businesses (SMBs), including data backup and restore processes, security management, and administrative tasks for Microsoft 365 tenants.

The Customer values proactive collaboration and welcomes technical and process improvement ideas from our team. This project offers numerous opportunities to brainstorm, evaluate solutions, and implement best practices to effectively address technical challenges.

The Sigma Software team will consist of 9 specialists:

• 7 Python Developers
• 1 Product Manager
• 1 Designer

We follow a Kanban-based process and hold daily status meetings with the Customer.

Project duration: Long-term — 1 year, with the potential for extension.

Technologies: Python, Kubernetes, AWS.

Requirements

• 3-5 years of professional experience in Python development in production environments
• Good understanding of microservices concepts and hands-on experience with RESTful API development
• Practical experience with Docker and familiarity with Kubernetes (deployment, pods, services, and configs)
• Experience with databases (e.g., PostgreSQL, MySQL), schema design, queries, and ORM usage (SQLAlchemy, Django ORM, etc.)
• Familiarity with AWS (EC2, S3, RDS, EKS, or similar cloud services)
• Understanding of software design principles, clean code, and modular programming
• Ability to debug, test, and optimize code for performance and scalability
• Experience with version control systems (Git) and CI/CD tools

Personal Profile

• Strong analytical and problem-solving skills
• Attention to detail
• Willingness to learn
• Good communication and teamwork skills with the ability to collaborate in a distributed team

Responsibilities

• Develop, maintain, and improve Back-end services and APIs using Python
• Participate in migrating legacy modules to a microservices architecture
• Implement clean, efficient, and maintainable code following best practices and team guidelines
• Work with DevOps engineers to containerize and deploy services on Kubernetes (K8s) within AWS
• Work with databases and ensure data consistency, reliability, and performance (PostgreSQL, MySQL, or similar)
• Write unit and integration tests, participate in code reviews, and ensure high-quality deliverables
• Contribute to API design, data modeling, and service communication patterns (REST, messaging, event-driven)
• Support troubleshooting, debugging, and performance optimization across microservices
• Collaborate with QA, product, and other engineering teams to deliver new features and system improvements
• Participate in sprint planning, estimations, and daily stand-ups in an Agile environment
• Learn and apply the best practices for developing reliable and fault-tolerant distributed systems

We’re looking for a Senior Back-end Developer to design and implement reliable, scalable, high-performance systems and collaborate closely with our engineering teams to deliver robust solutions that drive real impact.

At the heart of what we do is a simple mission: to deliver an asymmetric advantage to our AdTech Сustomers through deep expertise, simplicity, and exceptional service. We challenge ourselves to grow – as technologists, professionals, and teammates who support one another every step of the way.

Our culture is built on dedication, trust, and continuous improvement. We celebrate success together, learn from our failures, and take pride in delivering outstanding results for our clients.

If this sounds like the kind of environment where you’d thrive – join us and help build what’s next.

    Customer

Our Customer provides a novel approach to office meals. Through their platform, customers get automated and organized lunches, serving individual and customizable meals to offices from restaurants. They offer their customers a competitive advantage through their extensive industry knowledge, straightforward process, and a high level of service.

The Customer is extremely open to the team’s professional opinion, so you will have a chance to initiate changes and improve the existing solution.

     Requirements

• Experience with Ruby on Rails (Back-end)
• 5+ years of solid software engineering experience
• Experience designing and implementing scalable, cloud-based architectures for production-grade Back-end (preferably, have experience with AWS, EC2 load balancing, auto-scaling, CloudWatch, and Aurora)
• Experience with database engineering, including SQL/GraphQL with million-size relational records (preferably, the ability to write and optimize PostgreSQL and GraphQL)
• Ability to design relational schemas appropriate for given use cases
• In-depth understanding of the fundamentals of web technologies, data structures, and algorithms

• Upper-Intermediate level of English

   

     Will be a plus:

• Strong development skills in languages such as JavaScript, Ruby, and Python, preferably with a solid background in modern web stacks)

• Experience operating relational databases at scale

  
  Personal Profile

• Great communication skills, including written and verbal communication
• Strong time management and prioritization skills, with the ability to work independently
• Demonstrated sense of ownership and accountability in delivering high-quality results

     Responsibilities

• Design and implement solid, scalable, and flexible Back-end systems
• Collaborate with Front-end engineers and QAs to deliver new features together with team members on the client side
• Maintain a healthy Back-end services and a high level of quality
• Design and implement unit tests and highly maintainable code
• Generate great new ideas for features and better ways to implement existing ones
• Take an active part in team meetings and ceremonies

We are seeking a Technical Project Manager to lead the delivery of software solutions designed for managed service providers (MSPs). The ideal candidate will combine strong technical understanding with solid project management skills to ensure the successful execution of projects involving .NET-based applications, Azure cloud services, and web portal platforms.

Customer

Our Customer is a USA based company.

Project

The tools being developed are designed for IT service providers, also known as Managed Service Providers (MSPs). These tools help automate various activities performed for small and medium-sized businesses (SMBs), such as data backup and restoration, security management, and administrative tasks within Microsoft 365 tenants.

The project’s primary objective is to handle the migration of the current product to the Customer’s infrastructure.

We follow a Kanban-based development process, and you can expect daily status meetings with the Customer.

In this role, you will work closely with the product management, engineering, and QA teams to plan, coordinate, and deliver features that enhance our MSP software ecosystem. You will be responsible for managing project timelines, risks, and dependencies while ensuring alignment between technical teams and business objectives.

Tech stack: Oracle NetSuite, MS Dynamics, Salesforce, C#, .NET Core, and MS Azure.

Team composition: You’ll build a new team of up to 7 people, combining current employees and new hires. The team will focus on migrating the existing product to the Customer’s infrastructure and will collaborate closely with their Director of Engineering, Product Manager, and Technical Lead.

Requirements

• At least 3+ years of management experience, preferably in SaaS or enterprise software environments
• Strong understanding of the software development lifecycle(SDLC) and Agile/Scrum methodologies
• Proven experience managing projects involving .NET technologies, Azure services, and web portal solutions
• Technical background sufficient to communicate effectively with engineering teams (.NET Core, APIs, Azure DevOps, etc.)
• Experience with project tracking tools such as Azure DevOps Boards, Jira, or similar
• Excellent organizational, communication, and stakeholder management skills
• Upper-Intermediate level of English or higher

Would be a plus

• Experience working with or delivering products for managed service providers (MSPs) or in the IT services domain
• Familiarity with Azure infrastructure, CI/CD pipelines, and application monitoring
• Background in software engineering before transitioning to project management

Responsibilities

• Lead end-to-end planning and execution of software development projects focused on web and cloud-based solutions for MSPs
• Coordinate cross-functional teams (developers, testers, DevOps, product owners) to ensure the timely and high-quality delivery
• Translate business requirements into actionable technical tasks to ensure clarity for the engineering team
• Oversee project scope, milestones, risks, and resource allocation, proactively managing changes and issues
• Maintain project documentation, status reports, and communication with stakeholders and leadership
• Support technical discussions and architecture reviews, leveraging knowledge of .NET and Azure environments
• Drive continuous improvement in development and delivery processes, aligning with Agile principles
• Facilitate collaboration between the product and engineering teams to ensure alignment on priorities and quality goals

We are seeking a Test Engineer to join our big team and be a primary point of contact with the Customer on quality assurance matters. As a member of our team, you will have the opportunity to work with various products that share common functionalities. You will also develop a cohesive testing strategy that meets Customer needs and ensures high-quality results by collaborating closely with the team.

You will have a chance to challenge yourself, grow as a technologist and a professional, and make an incredible impact on the Customer’s products.

CUSTOMER
Our Customer is a leading European supplier of eco-friendly, energy-efficient indoor climate solutions. They aim to provide modern climate control in all types of buildings by using renewable energy sources and the latest technology.

PROJECT
Our project involves the development of smart home climate solutions for a client operating in the heating, ventilation, and air conditioning (HVAC) sector. Together with the client, we provide smart climate solutions featuring wireless connectivity and intelligent control for any type of property, including apartment blocks, industrial buildings, hotels, or country houses, to help reduce energy consumption for our client’s customers and society at large.

The team is responsible for developing and maintaining universal electronics and firmware platforms.

The mission of the project is to deliver scalable, reliable, and secure solutions that accelerate time-to-market for new products while supporting the company’s global vision of transitioning to energy-efficient and sustainable technologies.

REQUIREMENTS
- 2+ years of experience as a Manual QA Engineer in embedded or firmware projects
- Solid knowledge of testing methodologies and ability to write test cases and reports
- Experience with bug tracking and test management systems
- Basic hardware skills (flashing, setup, and diagnostics)
- Experience with Unix platforms
- Experience in network (understanding of TCP/UDP)
- Experience with sniffers and debugging tools (ex. Charles, Wireshark)

- Hands-on electronics experience, including:

• flashing and debugging hardware
• soldering PCBs and performing small-scale repairs

- Experience in API testing (Postman, Bruno) 

- Upper-Intermediate level of English 

RESPONSIBILITIES
- Perform functional, integration, and regression testing of embedded software
- Create and maintain test documentation (checklists, test cases, and bug reports)
- Participate in release planning and synchronization meetings with the development team
- Collaborate closely with developers, architects, and other QA engineers
- Identify, log, and track defects until resolution
- Contribute to the overall product and process quality according to company standards

Ми шукаємо Test Engineer до нашої великої команди, де ти станеш основною контактною особою для замовника з питань забезпечення якості ПЗ. Ти працюватимеш із кількома продуктами, що мають спільні функціональні можливості, та разом із командою розробиш цілісну стратегію тестування, яка відповідатиме потребам клієнта й забезпечуватиме високу якість розроблених рішень.

У тебе буде шанс випробувати себе, зростати як технолог і професіонал, а також зробити неймовірний вплив на продукти клієнта.

КЛІЄНТ
Наш клієнт є провідним європейським постачальником екологічних, енергоефективних рішень для клімат-контролю в приміщеннях. Вони прагнуть забезпечити сучасний кліматичний контроль у всіх типах будівель за допомогою відновлюваних джерел енергії та новітніх технологій.

ПРОЕКТ
Наш проєкт передбачає розробку інтелектуальних рішень для клімат-контролю в будинках. Ми співпрацюємо з клієнтом, що працює в галузі опалення, вентиляції та кондиціонування повітря (HVAC). Спільно з клієнтом ми пропонуємо інтелектуальні кліматичні рішення з бездротовим підключенням та інтелектуальним управлінням для будь-якого типу нерухомості, будь то багатоквартирні будинки, промислові будівлі, готелі або заміські будинки, щоб допомогти зменшити споживання енергії для замовників нашого клієнта та суспільства в цілому.

Команда відповідає за розробку та підтримку універсальних електронних і програмних платформ.

Ціль проєкту полягає в наданні масштабованих, надійних і безпечних рішень, які прискорюють вихід нових продуктів на ринок, підтримуючи глобальну концепцію компанії щодо переходу на енергоефективні та стійкі технології.

ВИМОГИ
- 2+ роки досвіду як Manual QA Engineer в проєктах з вбудованим програмним забезпеченням або прошивкою
- Добре знання методологій тестування та вміння писати тестові випадки й звіти
- Досвід роботи з системами відстеження помилок та управління процесом тестування
- Базові навички роботи з апаратним забезпеченням (прошивання, налаштування та діагностика)
- Досвід роботи з Unix-платформами
- Базове розуміння мереж (TCP/UDP)
- Досвід роботи зі сніферами та інструментами налагодження (наприклад, Charles, Wireshark)

- Практичний досвід роботи з електронікою, включаючи:

• прошивку та налагодження обладнання
• пайку друкованих плат (PCB) та виконання дрібних ремонтів

- Досвід тестування API (Postman, Bruno) 
- Володіння англійською мовою на рівні Upper-Intermediate

ОБОВ’ЯЗКИ
- Виконувати функціональне, інтеграційне та регресійне тестування вбудованого ПЗ
- Створювати та підтримувати тестову документацію (чеклисти, тестові випадки, баг-репорти)
- Брати участь у плануванні релізів і синхронізаційних зустрічах із командою розробки
- Тісно співпрацювати з розробниками, архітекторами та іншими QA-інженерами
- Виявляти, реєструвати та відстежувати дефекти до їхнього усунення
- Сприяти загальній якості продукту й процесів відповідно до стандартів компанії

Our client is a rapidly growing technology leader in digital accessibility software that helps enterprises make their web and mobile offerings accessible to everyone. 

We’re looking for an experienced Backend Engineer to join our client's innovative team. In this role, you’ll be responsible for designing and implementing scalable, distributed backend solutions for a SaaS platform.

Job Description

• Design and implement scalable, distributed backend solutions for a SaaS platform 
• Architect and deliver complex systems focused on accessibility compliance 
• Plan, execute, and maintain large-scale software delivery systems
• Monitor and optimize all aspects of product performance 
• Research, evaluate, and integrate cutting-edge technologies into the backend architecture 
• Troubleshoot issues across various backend services and infrastructure 
• Collaborate on evolving the product's core architecture to meet performance and scale requirements 
• Lead or contribute to hands-on technical architecture and SaaS infrastructure decisions

Qualifications

Must-have Qualifications:

• 5+ years of experience with Golang or JVM languages.
• Proficiency with at least one major cloud provider (GCP, AWS, or Azure), including serverless and container-based deployments. 
• Expertise in modern software design practices. 
• Experience with multiple data stores/services (SQL, NoSQL, ElasticSearch, BigQuery, etc.).
• Knowledge of high-scale stream/batch processing systems (e.g., Flink, Spark, Kafka). 
• Extensive experience in managing and maintaining production systems. 
• At least Upper-Intermediate level of English.

Would be a plus: 

• Understanding of distributed systems and microservices architecture.
• Familiarity with Kubernetes and container orchestration platforms. 
• Experience with ClickHouse or other high-performance databases. 

You will join a team working on a large-scale supply side platform (SSP), which plays a key role in digital engagement and advertising technology. This position offers a unique opportunity for a Go Developer to significantly contribute to the evolution of digital engagement and advertising technology.

Customer

Our partner is a leading social engagement technology company that empowers publishers and media organizations to build and sustain meaningful online communities around digital content. Their mission is to foster healthy conversations, enhance audience engagement, and create transparent, high-quality environments for digital interaction.

Requirements

• 3+ years of experience in software development and architecture using Go within large-scale, high-availability systems
• Proven experience in scaling and maintaining globally distributed, highly available systems
• Strong understanding of Agile/Scrum methodologies and experience applying them in practice
• Experience translating business requirements into technical solutions, including defining estimations and delivering on commitments
• Ability to work effectively with legacy code
• Upper-Intermediate or higher level of English

WILL BE A PLUS:

• Experience with the AdTech domain

Personal Profile

• Excellent communication and organizational skills
• Ability to manage multiple priorities effectively
• Strong analytical and problem-solving skills
• Ability to think critically and act proactively
• Experience working under pressure and meeting deadlines

Responsibilities

• Work with cutting-edge technologies and contribute to large-scale, high-performance systems
• Collaborate closely with key stakeholders and cross-functional teams
• Participate in the design, development, and optimization of solutions addressing complex scaling challenges
• Contribute to architectural decisions and the continuous improvement of system performance and reliability
• Engage in initiatives aimed at enhancing the delivery efficiency and quality of large-scale data processing
• Maintain and evolve existing codebases, including upgrading and refactoring legacy components
• Proactively contribute to the engineering and product strategy

Sigma Software is looking for a motivated Data Engineer to join our growing engineering team.

If you want to work with a close-knit team of data engineers solving complex problems using advanced data collection, transformation, analysis, and monitoring techniques, then this opportunity is for you.

We look forward to having you on our team!

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’s mission is to increase the value of healthcare providers by equipping them with innovative technologies and services for diagnostic and therapeutic imaging, laboratory diagnostics, molecular medicine, digital health, and enterprise services.

Meet your team!

Requirements

• Experience in data engineering and with cloud computing services solutions in the area of data and analytics, preferably with Azure
• Conceptual knowledge of data analysis fundamentals, e.g., dimensional modeling, ETL, reporting tools, data governance, data warehousing, structured and unstructured data
• Knowledge of SQL and experience with the Python programming language
• Excellent communication skills and fluency in business English
• Understanding of big data databases, such as Snowflake and BigQuery. Snowflake is preferred
• Experience with database development and data modeling, ideally with Databricks or Spark

Responsibilities

• Implement an architecture based on Azure cloud platforms (Data Factory, Databricks, Event Hub)
• Design, develop, optimize, and maintain squad-specific data architecture and pipelines that adhere to defined ETL and Data Lake principles
• Discover, understand, and organize disparate data sources, structuring them into clean data models with clear, understandable schemas
• Contribute to the evaluation of new tools for analytical data engineering or data science
• Suggest and contribute to training and improvement plans for analytical data engineering skills, standards, and processes

We’re seeking a Senior Backend Developer to design and build scalable backend solutions for a modern SaaS platform focused on accessibility compliance. 

You’ll optimize performance, shape core architecture, and integrate emerging technologies to ensure reliability and scalability. 

If you’re passionate about high-performance systems and impactful products — we’d love to hear from you! 

CUSTOMER

Our client is a rapidly growing technology leader in digital accessibility software that helps enterprises make their web and mobile offerings accessible to everyone. Its AI-enabled products save developer time and reduce risk via proprietary discovery and analysis algorithms that integrate directly into software development pipelines. 

Job Description

• Design and implement scalable, distributed backend solutions for a SaaS platform  
• Architect and deliver complex systems focused on accessibility compliance  
• Plan, execute, and maintain large-scale software delivery systems 
• Monitor and optimize all aspects of product performance  
• Research, evaluate, and integrate cutting-edge technologies into the backend architecture  
• Troubleshoot issues across various backend services and infrastructure  
• Collaborate on evolving the product's core architecture to meet performance and scale requirements  
• Lead or contribute to hands-on technical architecture and SaaS infrastructure decisions

Qualifications

• 5+ years of experience with modern web-scale languages/frameworks, with a focus on Python (additional languages/frameworks: JVM-based, GoLang, TypeScript/Node.js) 
• Proficiency with at least one major cloud provider (GCP, AWS, or Azure), including serverless and container-based deployments 
• Proven experience in hands-on design and work on complex SaaS systems 
• Expertise in modern software design practices 
• Experience with multiple data stores/services (SQL, NoSQL, ElasticSearch, BigQuery, etc.) 
• Experience with high-scale stream/message brokering systems (e.g., Kafka, RabbitMQ, CSP-specific equivalents) 
• Extensive experience in managing and maintaining production systems
• At least Upper-Intermediate level of English

WOULD BE A PLUS

• Experience with GenAI-based systems (e.g., RAG, context engineering, agentic work) 
• Familiarity with Kubernetes and container orchestration platforms 
• Experience with multiple data stores (RDBMS, NoSQL, OLAP, e.g., ClickHouse) 
• Experience working with Data Science or GenAI Engineers 
• Experience with MCPs or agents 
• Experience in agentic environments (e.g., Cursor, Copilot, Claude Code)

PERSONAL PROFILE

• Independent, excellent problem solver and passionate about learning new stuff 
• Great communicator and team player with a total commitment to providing the best services to all stakeholders

We are seeking a motivated, self-driven, and positive individual with strong communication skills to join our team in a project in the Logistics domain.

If you are passionate about your work and strive to solve challenging tasks, we would be happy to have you join our team.

CUSTOMER

The Company, headquartered in Germany, is one of Europe’s leading logistics providers. Its competence lies particularly in the development and realization of integrated supply chain systems, and focuses on using data to optimize logistics operations.

Job Description

• Design, develop, and maintain robust software applications using React.js, Tailwind CSS, Node.js, TypeScript
• Create new functionality from scratch (e.g., role-based access control permissions service, service for integrating APIs, endpoints) under the supervision of Senior Developers

• Collaborate with stakeholders to define, design, and ship new features

   

Qualifications

• At least 3 years of commercial experience in development with a focus on the TypeScript/JavaScript technology stack
• Proven experience with Node.js, Nest.js, React.js, Next.js, PostgreSQL
• Experience with Azure
• SCRUM experience

• Fluent English

   

WILL BE A PLUS

• Experience integrating and working with design systems (TailwindCSS)

• Experience with Docker / Kubernetes

   

PERSONAL PROFILE

• Strong communication skills
• Strong multitasking skills
• Strong problem-solving and decision-making abilities, with a focus on driving results and meeting deadlines
• Strong analytical thinking and technical judgement — assessing what to refactor, what to rebuild and how to modernize effectively
• Quick understanding of existing digital products and architectures (even with limited documentation — ability to analyze architecture, data flows, user interactions)

Property technology (or Proptech) is one of the fastest-growing industries because, for a long time, this area was highly regulated and slow to change. In recent years, the world has seen extremely fast growth in companies for a few reasons, one of which is the urge to automate business processes and limit in-person interactions due to the Coronavirus pandemic.    
Due to the intensive growth and application of the latest technologies, such as data engineering, ML/AI, and augmented reality, Proptech is the domain to be. Startups in this niche have vast investments and resources necessary to bring any creative initiatives to life. 
This is also true for the client's company. Their plan is to conquer the world of property investment and maximize profits through price forecasting, in-depth analysis of historical data and trends, and a system of smart recommendations to improve facilities and increase ROI. 

CUSTOMER
The Customer is a UK-based company that focuses on residential property investment and management.  

PROJECT
The team develops a proprietary technology platform that automates the entire investment process and supports various services related to data collection, data lake management, and infrastructure maintenance. 

Responsibilities

• Code, debug, document, and maintain Front-end and Back-end components  
• Perform unit, integration, and E2E testing  
• Participate in peer code reviews  
• Take part in task estimation and sprint planning  
• Contribute to technical project documentation and user manuals  
• Assist QA engineers and support personnel in resolving software installation and operational issues  
• Follow best engineering practices and project quality standards  
• Report on status and progress according to project and company requirements  

• Identify deficiencies in development processes, procedures, engineering practices, or environment configurations, and suggest improvements 

   

Requirements

• At least 3 years of experience as an Application Engineer 
• Proficiency with Python (Flask) 
• Proficiency with Vue.js 
• Proficiency with AWS and related services (ECS, ECR), relevant certification 
• Experience with and fondness for microservices architecture, API-driven development, and REST API 
• At least Upper-Intermediate level of English 
   

Nice to have

• Experience with GraphQL 
• Experience with high-load systems and data engineering projects