136 English-speaking jobs in Białystok

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.

We are seeking a Regular or Senior .NET Desktop Developer to design, develop, and maintain desktop applications using C# and .NET.

Experienced Product Owner with a cybersecurity background needed to drive product development. Translate security requirements into product features, manage the backlog, and collaborate with engineering, product management, and security teams.

We are seeking a Regular or Senior .NET Web Developer to design, develop, and maintain web applications, APIs, and services using C# and .NET.

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 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. AI experience a plus.

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 sought for contract work. Design, implement, and maintain Java applications. Collaborate with teams, review code, and participate in technical discussions. Requires 5+ years of experience with Java, Spring Boot, Hibernate, RESTful APIs, and cloud environments. Strong problem-solving and communication skills are essential.

Senior Frontend Developer (React) needed for a software house. Design, implement, and maintain high-quality frontend applications using React. Collaborate with cross-functional teams and contribute to frontend architecture decisions. 5+ years of experience as a Frontend Developer with strong React expertise required.

Senior Python Engineers design, develop, and maintain scalable finance-focused backend solutions using Python. Responsibilities include integrating external systems, collaborating with Product Managers and Tech Leads, and writing high-quality, well-tested code. Must have 6 years of professional Python development experience and at least 0.5 years of commercial experience with AI tools.

System Validation Engineer will design, develop, and execute functional and performance tests for Data Processing Unit (DPU) hardware across all project stages. Collaborate with architects, hardware, and verification engineers to ensure DPU features operate as designed.

Design and implement automated test suites for switch software and firmware. Develop Python-based testing frameworks for functional and performance testing.

Analyze, measure, and optimize the performance of DPU-based systems. Collaborate with teams to define benchmarks, identify bottlenecks, and guide optimizations. Develop and execute performance tests and analyze system behavior under high-load scenarios.

Develop and maintain Linux kernel modules and device drivers for next-generation network switch platforms. Bring up new hardware boards and debug low-level boot issues. Work with hardware and firmware teams to validate system integration.

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.

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).

Senior Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.

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.

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