135 English-speaking jobs in Białystok

Fullstack Software Engineer (.NET React) to develop and maintain business applications using .NET, React, and SQL on Microsoft Azure. Collaborate with teams to deliver high-quality software.

We are looking for an experienced Business Analyst / Product Owner who will help our customers deal with discovery phase and software development challenges. Investigate, identify and analyze requirements and define areas for improvement for changes needed.

Technical Writer needed for freelance project-specific B2B contract through end of 2026, with potential extension. Fluency in English required, along with interest in technical writing, knowledge of XML, HTML, CSS, and experience with MadCap Flare. Responsibilities include designing, creating, and editing user-focused documentation for enterprise software solutions.

Responsibilities: Design, develop, and execute manual and automated tests for cloud-native security services Maintain and extend existing automated test suites integrated with CI/CD pipelines Test REST APIs, backend services, and platform components Validate cloud-based architectures running on AWS Participate in sprint planning, reviews, and release readiness Analyze logs, metrics, and monitoring

We seek a .NET Software Engineer with 3+ years of experience in commercial development. Expertise in C#, .NET (ideally .NET 6), and React.js is required. Strong communication skills and experience with relational databases and Git are also essential.

Data Engineer will design, build, and optimize data pipelines using Snowflake and Databricks. Responsibilities include leveraging cloud technologies (Azure and AWS), ensuring data privacy and security, and collaborating with clients. Requires 3+ years of experience in data engineering, ETL/ELT processes, and proficiency in SQL and Python.

We are looking for an experienced Azure Infrastructure Engineer to design, implement, and maintain cloud infrastructure solutions within the financial sector . The role focuses on building secure, scalable, and highly available Azure environments, with exposure to AI-related Azure services and selected data platform components.

Backend Developer to design, build, and maintain scalable backend systems using Python (Django/FastAPI), AWS services, and containerization.

We are seeking a Fullstack Software Engineer to develop a fullstack web application. Responsibilities include developing frontend components using Vue.js, building backend services in Python, and working with databases. The ideal candidate has 3 years of experience as a Software Engineer with strong JavaScript and Python skills, experience with frontend development, and a solid understanding of backend development and databases.

Leads product strategy and execution for aiR Assist, Relativity's agentic search solution. Drives product vision, defines success metrics, and collaborates with engineering, design, and customer-facing teams. Owns answer quality for aiR Assist, defining and evolving quality metrics and partnering with applied science to design evaluation frameworks. Requires 5+ years of product management experience, building AI-powered or data-driven products.

Design, build, and maintain integrations between Generative AI models and developer platforms. Prototype AI-driven tools for code generation, reviews, testing, and bug fixing. Evaluate and integrate LLMs and GenAI APIs into secure, scalable workflows.

Senior Software Engineer will design, build, and deliver scalable platform services and developer tooling. Develop and maintain C#/.NET solutions deployed to Microsoft Azure using cloud-native patterns. Lead CI/CD pipeline and DevOps automation using GitHub Actions. Collaborate with engineering teams to provide reusable platform capabilities. Mentor engineers and promote engineering best practices.

Manages software product development teams, contributing to product roadmap and delivering features. Oversees team development, aligns goals with strategy, and serves as a technology advisor. Requires 10+ years of software development experience, 4+ years managing teams, and expertise in agile methodologies.

AI Engineer needed for projects involving LLMs, Generative AI, and backend development. Requires 3+ years of Python experience, strong programming skills, and experience with LLMs and Generative AI. Familiarity with backend frameworks (e.g., FastAPI), databases, Docker, Git, and CI/CD is beneficial.

Leads multidisciplinary teams responsible for search functions, including traditional and AI-enabled search. Develops and mentors a high-performing team of software engineers. Contributes to software design, development, and integration. Oversees a Scrum team and drives organizational efficiency. Requires 2+ years of experience leading software engineering teams and hands-on experience with distributed systems. Familiarity with C#, Javascript, Python, and cloud native architecture is necessary. Experience with LLM, embeddings, and vector databases is preferred.

Technical Lead for C++ development team. Develop cloud-native database solutions, maintain connectors, and ensure low latency for multitenant systems. Requires C++, AWS Lambda, RDBMS, NoSQL, Python, and Golang experience.

Test Specialist to develop, execute, and debug test cases for IT systems supporting Frontex. Requires 5+ years of testing experience (8+ years without ISTQB certification), Bachelor's degree, and expertise in various testing types (unit, integration, functional, performance, acceptance, regression). Experience with Azure DevOps Test Plans, SQL, and ServiceNow is essential.

We are seeking a .NET Software Engineer with React experience to design, develop, and maintain web applications. The ideal candidate will have strong C# and .NET skills, proficiency in frontend development using React.js, and experience with cloud platforms like AWS or Azure.

Senior .NET Software Engineer to design, build, and maintain backend services for a platform integrating chemical manufacturing systems using AI/ML. Requires experience with C#, .NET, PostgreSQL, REST APIs, Azure, and asynchronous messaging.

Fullstack Software Engineer to develop web applications using Python, Vue.js, and SQL/noSQL databases. Experience with Docker, CI/CD, and Git is required.