144 English-speaking jobs in Białystok
Blackline Administrator f m x
- Sii
- Białystok
- June 14
Experienced Systems Administrator to support and develop financial process platforms. Focus on system performance, user support, and process improvement. Requires 3+ years of experience with financial platforms, strong understanding of financial processes, and fluency in English.
AI Engineer – LLM Agentic Systems f m x
- Sii
- Białystok
- June 12
Design, develop, and deploy production-grade AI systems powered by LLMs in a healthcare/marketing context. Build data pipelines, implement RAG pipelines, and integrate LLM models.
Business Analyst
- Sollers Consulting Sp. z.o.o
- Białystok
- June 11
Business Analyst to join a consulting team supporting IT projects for financial institutions, primarily insurance companies. Responsibilities include business analysis, defining functional requirements, testing solutions, and collaborating with developers. Requires a bachelor's degree, fluency in English (C1 level), and understanding of agile methodologies.
Atlassian Specialist - Talent Pool
- Transition Technologies PSC
- Białystok
- June 10
Analyze, resolve, and implement technical solutions for Atlassian systems, plugins, and scripts. Collaborate with users to automate business processes and support effective tool usage.
Senior Nodejs Developer
- Inspeerity
- Białystok
- June 7
Senior Node.js Developer sought for contract work. Design, implement, and maintain high-quality Node.js applications. Collaborate with teams, review code, and participate in technical discussions. Requires 5+ years of experience with Node.js, frameworks like Express.js or NestJS, and experience with RESTful APIs, databases, and cloud environments.
Senior NET Developer
- Inspeerity
- Białystok
- June 7
Senior .NET Developer sought for contract work. Design, implement, and maintain .NET applications. Collaborate with teams, review code, and participate in technical discussions. Requires 5+ years of experience with C#/.NET, .NET Core, ASP.NET Core, and related frameworks. Strong understanding of object-oriented programming, design patterns, and clean code principles. Experience with RESTful APIs, SQL and NoSQL databases, cloud environments, CI/CD pipelines, and version control systems. Fluent English and experience in Agile/Scrum teams.
Senior Frontend Developer Angular
- Inspeerity
- Białystok
- June 7
Senior Frontend Developer (Angular) needed for a software house. Design, implement, and maintain high-quality frontend applications using Angular. Collaborate with cross-functional teams and contribute to frontend architecture decisions. 5+ years of experience as a Frontend Developer with strong Angular (2) expertise required.
Senior Java Developer
- Inspeerity
- Białystok
- June 7
Senior Java Developer sought for a B2B Framework Agreement. Design, implement, and maintain Java applications, collaborating with teams and contributing to architecture decisions. 5+ years of experience as a Java developer with exposure to Spring Boot, Hibernate, or similar frameworks is required.
Product Owner
- Transition Technologies PSC
- Białystok
- June 7
Experienced Product Owner with cybersecurity background needed to drive product development. Translate security requirements into product features, manage backlog, and collaborate with engineering, product management, and security teams.
Regular Senior Web NET Developer - Talent Pool
- Transition Technologies PSC
- Białystok
- June 7
We are seeking a Regular or Senior .NET Web Developer to design, develop, and maintain web applications, APIs, and services using C# and .NET.
Regular Senior Desktop NET Developer - Talent Pool
- Transition Technologies PSC
- Białystok
- June 7
We are seeking a Regular or Senior .NET Desktop Developer to design, develop, and maintain desktop applications using C# and .NET.
Senior AI Quality Analyst
- Svitla Systems
- Białystok
- June 7
Senior AI Quality Analyst ensures the performance, safety, and reliability of AI/ML models. Responsibilities include designing evaluation strategies, performing error analysis, managing datasets, conducting exploratory testing, and reporting insights.
Senior Python Backend Engineer
- Reef Technologies
- Białystok
- June 7
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 Business Analyst
- Sollers Consulting Sp. z.o.o
- Białystok
- June 7
Senior Business Analyst to join IT projects for financial institutions, primarily insurance companies. Conduct complex business analysis, define functional requirements, and test solutions. Collaborate with developers and IT architects.
Project Manager for Insurance Sector
- Sollers Consulting Sp. z.o.o
- Białystok
- June 7
Lead IT implementation or advisory projects for the insurance sector, combining consulting, project management, and insurance business expertise. Manage projects from initiation to closure, overseeing timelines, scope, budget, risks, and dependencies. Supervise business analysis and solution design, act as a team leader, and build client relationships.
AI ML Developer – Generative AI f m x
- Sii
- Białystok
- June 7
Develop and implement machine learning models and generative AI systems to solve business problems. Design experiments, build scalable solutions, and contribute to cutting-edge AI systems, including those based on large language models (LLMs).
SAP Project Manager – OTC projects f m x
- Sii
- Białystok
- June 7
Experienced SAP Project Manager to lead complex Order-to-Cash projects in a regulated industry. Full project ownership, including scope, timelines, budgets, and risk management. Collaborate with cross-functional teams and vendors to deliver scalable SAP solutions.
Kotlin Developer f m x
- Sii
- Białystok
- June 7
Kotlin Developer will design, build, and maintain scalable microservices for a modern fintech platform. Collaborate with cross-functional teams to develop innovative solutions and analyze system performance. Requires 5+ years of software development experience, expertise in Kotlin, distributed systems, and cloud environments.
AI Engineer
- Netguru
- Białystok
- June 7
As an AI Engineer at Netguru, you will implement Azure OpenAI API, RAG systems, and fine-tune open-source models for clients. You will design, develop, and deploy machine learning models, experiment with ML techniques, and lead AI project implementations.
Senior Java Developer - Freelance
- Netguru
- Białystok
- June 7
Senior Backend Engineer (Java / Architecture) needed for a long-term freelance project. Refactor and modernize legacy backend systems, improve microservices, and maintain REST and SOAP interfaces. Must have strong Java (Spring / Spring Boot) and architectural skills, experience with Kubernetes, and excellent communication skills.






























































