143 English-speaking jobs in Białystok

Senior Python Backend Engineer needed for a fully remote team. Must have at least 5 years of programming experience, including at least a year with Python. Work on a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by truly decentralized algorithms.

Senior Python Engineer needed for a large-scale utility service platform transforming the global energy industry. Design, develop, and maintain scalable finance-focused backend solutions using Python and Django. Integrate external systems and APIs, write high-quality code, and participate in peer reviews. Must have strong Python engineering skills, experience with Django, API development, and automated testing. AWS experience is required.

Execute manual, integration, and regression tests based on project requirements. Report, track, and verify defects using test and defect management tools.

Designs, develops, and maintains .NET applications and services. Writes and maintains automated tests. Collaborates with QA, DevOps, and product teams.

Godel seeks an Agile Delivery Coordinator to ensure smooth project execution and client satisfaction. The role combines Scrum Master and Project Manager responsibilities, requiring strong communication, collaboration, and problem-solving skills. Experience with Agile frameworks, project delivery, and stakeholder management is essential. Familiarity with AI tools and a willingness to learn and experiment with AI applications in software development are highly valued.

Integration Specialist to design and implement finance automation solutions using Redwood. Experience with financial/banking processes and system integration required.

Senior Penetration Tester to conduct advanced security assessments of applications, systems, and infrastructure. Responsibilities include identifying vulnerabilities, developing attack scenarios, and collaborating with technical and business teams. Requires 5+ years of experience in penetration testing with expertise in web, mobile, and infrastructure security.

Senior .NET developer to design, build, and maintain secure, scalable backend solutions within an Azure cloud environment. Experience with REST APIs, OpenAPI, EF Core, SQL Server, and Azure services is required.

Senior .NET developer to build, maintain, and support a web-based self-service portal for the financial services industry. Responsibilities include developing new features, ensuring reliability, investigating incidents, and collaborating on CI/CD pipelines. Requires experience with ASP.NET Core, Azure services, and Azure DevOps.

Data Engineer Architect to design, build, and maintain a scalable enterprise data platform using Databricks. Requires 8+ years of data engineering experience, 4+ years with Databricks, and expertise in Python, SQL, and cloud platforms (Azure, AWS, or GCP).

Senior Data Engineer to design and implement scalable data architectures using Google Cloud Platform (GCP). Experience with BigQuery, Dataflow, Pub/Sub, BI/ETL, and big data technologies required.

Senior Node.js Developer needed for full-time position. Develop and maintain backend services using Node.js and NestJS. Build and support serverless components on AWS (Lambda, Glue, DynamoDB). Experience with microservices and data-heavy backend systems required. Excellent communication and problem-solving skills essential.

Svitla Systems seeks a Middle ML Engineer with 3+ years of experience delivering production AI/ML systems. Requires strong Python, SQL, and software engineering fundamentals. Proven experience with LLM applications in production (RAG, embeddings, vector search, model versioning) and understanding of model training/evaluation (PyTorch; scikit-learn). Experience with cloud deployment and operations on AWS and/or Azure is necessary.

Senior Full Stack Engineer will contribute to a global gig-economy marketplace platform. Responsibilities include designing, building, and maintaining scalable APIs and microservices, developing CI/CD pipelines, and collaborating with cross-functional teams.

Senior Angular Frontend Developer needed for product launch preparations. Support development across multiple projects, contribute to CI/CD setup, and collaborate with QA. 5+ years of Angular experience, GitHub Actions, and AWS required.

Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.

Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires C#, .NET, SQL databases, and Angular experience.

Solutions Architect needed to design and implement complex enterprise solutions using Azure, microservices, and API management. Collaborate with teams to align technology strategy with business goals. 5+ years of cloud solutions architecture experience required.

Senior AI-first .NET Engineer needed to design, develop, and maintain full-stack features using AI tools throughout the development lifecycle. Requires experience with Claude Code, GitHub Copilot, Cursor, .NET, C#, JavaScript, TypeScript, React, and cloud platforms.

Azure Cloud Architect needed for a freelance project focused on Data Residency and Data Protection Services. Experience with Azure cloud infrastructure, security consulting, and data security measures is required.