202 English-speaking jobs in Białystok

Design, develop, and maintain desktop applications using C# and .NET. Apply desktop architecture patterns such as MVVM. Write and maintain unit and integration tests. Improve performance, stability, and maintainability. Participate in technical design and modernization efforts. Support and mentor less experienced developers.

Senior Project Manager/Program Manager will review customer strategy, mobilize resources, and execute project plans. Requires 5+ years of IT management experience, 3+ years managing Polish public sector IT projects, and proficiency in Agile methodologies. Technical IT background preferred.

Design, develop, and maintain web applications, APIs, and services using C# and .NET. Participate in code reviews and architectural discussions. Strong knowledge of C#, .NET, ASP.NET and SQL databases required.

Software Engineer to develop Check Point Endpoint Security products. Requires 2-3 years of C++ experience on Windows, knowledge of OS mechanisms/APIs, and strong object-oriented programming skills.

Lead a team of data platform engineers in designing and maintaining data platforms using Spark, Delta Lake, and Iceberg. Drive architectural decisions, ensure software engineering best practices, and collaborate with stakeholders.

Staff AI Engineers define and lead the technical vision for Relativity's ML platform, guiding projects from concept to production. They drive platform architecture, ensure AI capabilities are secure and reliable, and mentor senior engineers.

Account Director to manage a team, develop eCommerce strategies, and build client relationships. Requires 5+ years of eCommerce and team management experience, strategic business consulting, and fluency in English (C1 level).

Freelance Soccer Data Collector needed to attend matches, input real-time data using a custom app, and ensure accuracy. Must have good English skills, understanding of soccer rules, and availability on weekends and evenings.

Senior Software Engineer will design, write, test, deploy, and support Relativity software products. Focus on Import/Export services, building and scaling infrastructure for secure data movement. Requires advanced React with TypeScript, 5+ years with C#/.NET, and experience designing and operating distributed SaaS systems.

Test Specialist will design, document, and execute manual, automated, and exploratory tests for software systems. Responsibilities include reporting test results, interpreting outcomes, and collaborating with various teams. Requires at least 5 years of experience testing complex systems, excellent English (B2 level), and relevant certifications or experience with Azure DevOps, Playwright, SQL Databases, and SharePoint applications.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from sensors. Experience in real-time data processing systems, embedded/IoT systems, and large data handling is required.

Full-time on-site role in Białystok for an engineer focused on delivering technical expertise within projects. Responsibilities include problem-solving, solution implementation, and adherence to project timelines and standards.

Building Systems Engineer needed for EMEA Operations team. Responsibilities include delivering tasks, investigating electrical documentation, and providing technical support. Requires strong understanding of control systems, energy management, and building services engineering. Must have 3+ years experience, excellent communication skills (English C1), and a driving license.

Project Manager to lead Energy & Sustainability initiatives for a major e-commerce client. Develop project plans, oversee execution, manage subcontractors, and ensure projects meet sustainability goals.

Senior Software Engineer to design software architecture, manage work packages, and integrate AI/ML models into data pipelines. Requires 5+ years of Java, Spring Boot, Python, and DevOps experience.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from multiple sensors. Experience in real-time data processing systems or embedded/IoT systems required. Fluency in English and at least one programming language used in high-performance systems is essential.

Senior Data Engineer to implement scalable data architectures and pipelines on Databricks. Requires 5+ years of experience in data engineering, strong Python and SQL skills, and expertise in Apache Spark and Airflow. Experience with automotive or IoT data is a plus.

Partner with Data Science teams to deploy production-ready machine learning models. Design, implement, and maintain scalable ML infrastructure and CI/CD pipelines. Establish and implement MLOps best practices.

Lead the design, implementation, and validation of Machine Learning solutions. Research, test, and select AI solutions to meet business requirements. Understand client needs and translate business problems into data science problems. Architect and oversee the implementation of data pipelines and workflows. Present findings and recommendations to stakeholders.

Lead the design and implementation of Machine Learning solutions, ensuring alignment with project objectives. Research, test, and select tools and technologies to meet business requirements. Understand client needs and translate business problems into data science problems. Architect and oversee the implementation of data pipelines and workflows. Present findings and recommendations to stakeholders.