Praca Backend Web Developer Białystok

_What will you do? Responsibilities : - Design, develop, and maintain web applications (ASP.NET), APIs, and services using C# and .NET - Write and maintain automated unit and integration tests (xUnit, NUnit) - Participate in code reviews and architectural discussions - Collaborate with QA, DevOps, and product teams _Who are we looking for? Requirements : - Commercial experience as a .NET...

Regular/Senior Backend Developer (TypeScript, Node.js) @ Spyrosoft Location: Białystok, Bialystok, Podlaskie Voivodeship, Polska Our client is aleading full-service e-mobility provider dedicated to revolutionizing the transport and energy sectors. They provide end-to-end hardware and software charging solutions for both private and public sectors. You will be working on a platform that powers...

We’re looking for a skilled Backend Developer to join our growing engineering team. In this role, you’ll be responsible for designing and building scalable, secure, and high-performance backend systems that power our platform. You’ll work closely with cross-functional teams to implement business logic, integrate third-party services, and ensure smooth system operations in a cloud-native...

A leading IT services company in Poland is seeking a Golang Developer to design and maintain backend infrastructure. You will work on connectivity solutions, data analysis systems, and security features, collaborating with cross-functional teams. The ideal candidate has at least 4 years of backend experience, expertise in Go, and familiarity with distributed architectures and messaging systems....

A software house in Poland seeks a Ruby on Rails/Python Developer to join its innovative team. The role involves designing and maintaining backend applications, optimizing performance, and collaborating with project teams. Suitable candidates should have over 4 years of experience with Ruby on Rails and Python frameworks such as Django or Flask. We offer flexible working hours, competitive...

About the company: Our client is an innovative, fast-growing technology company operating internationally and focused on solutions that address climate challenges. They bring together a passionate, multidisciplinary team working on impactful technologies. We are looking for a Software Developer to join our client’s IT team. In this role, you will develop and maintain backend services and...

Join Hostinger, and we’ll grow fast! We’re shaping the future of online success — powered by AI and driven by people. With 900+ talented professionals and over 4 million clients in 150 countries, we help creators and entrepreneurs bring their ideas to life faster and easier than ever before. Our mission: To provide tools that help individuals and small businesses succeed online faster and...

Join our team as a Ruby on Rails/ Python Developer at Kruko, a software house specializing in creating mobile and web applications tailored to the needs of our clients. We execute innovative programming projects that facilitate and modernize business operations in Poland and worldwide. Responsibilities - Designing, developing, and maintaining backend applications in RoR and Python - Optimizing...

A leading technology company is seeking a Golang Developer with AI experience in Białystok, Poland. You will design and maintain high-performance backend services in Go, build APIs, and optimize features focusing on scalability, availability, and reliability. The ideal candidate has 5+ years of experience with Golang and Vue.js, proven skills in AI-driven solutions, and a good command of English....

Zakres obowiązków: Projektowanie i rozwój usług backendowych w Java oraz komponentów przetwarzania danych w Pythonie. Tworzenie i utrzymanie API oraz integracja z usługami chmurowymi (AWS / Azure / GCP). Optymalizacja wydajności rozwiązań backendowych i procesów przetwarzania danych. Praca z bazami danych (SQL / NoSQL) w zależności od architektury projektu. Współpraca z zespołami produktowymi,...

Very good knowledge of C# and .NET Core / .NET 6+. Practical knowledge of Microsoft SQL Server. Familiarity with AWS services. Ability to analyze and optimize the performance of backend applications. Project description: NET Developer who wants to have a real impact on the architecture and development of modern applications based on microservices and the cloud. If you enjoy technological...

About the company: Our client is an innovative, fast-growing technology company operating internationally and focused on solutions that address climate challenges. They bring together a passionate, multidisciplinary team working on impactful technologies. The role: We are looking for a Software Developer to join our client’s IT team. In this role, you will develop and maintain backend services...

A leading technology firm in Poland is seeking a Java Developer to join an innovative AI-driven fraud-prevention initiative. You will design and implement backend services and develop high-performance Java applications to handle large volumes of real-time events. The ideal candidate has over 5 years of experience in complex backend systems, hands-on experience with Kafka, Redis, and AWS, and a...

Very good knowledge of C# and .NET Core / .NET 6+. Practical knowledge of Microsoft SQL Server. Familiarity with AWS services. Ability to analyze and optimize the performance of backend applications. Project description: NET Developer who wants to have a real impact on the architecture and development of modern applications based on microservices and the cloud. If you enjoy technological...

Very good knowledge of C# and .NET Core / .NET 6+. Practical knowledge of Microsoft SQL Server. Familiarity with AWS services. Ability to analyze and optimize the performance of backend applications. Project description: NET Developer who wants to have a real impact on the architecture and development of modern applications based on microservices and the cloud. If you enjoy technological...

A prominent IT services firm is seeking a Python Developer to design backend systems for Data Processing Units in Białystok. You will be responsible for developing internal tools, integrating services with React-based interfaces, and collaborating with cross-functional teams. Candidates should have at least 2 years of experience, strong Python skills, and be comfortable in Linux environments....

Requirements: Very good knowledge of C# and .NET Core / .NET 6. Experience in designing microservice architecture. Practical knowledge of Microsoft SQL Server. Experience with Docker / Kubernetes. Familiarity with AWS services. Ability to analyze and optimize the performance of backend applications. Good knowledge of Git and teamwork principles. Project description: We are looking for an...

Python Developer – DPU Infrastructure Tools Miejsce pracy: Białystok Technologies we use Expected Python C C++ Optional FastAPI Flask Django React.js About the project We are looking for a Python Developer to design and build backend systems that support the development and validation of Data Processing Units (DPUs). You will work on backend services in pure Python and help integrate React-based...

A leading e-mobility technology provider is seeking a Regular/Senior Backend Developer (TypeScript, Node.js) in Białystok. You will develop robust backend services, design microservice architectures, and integrate systems to power electric vehicle charging infrastructure. Candidates should have over 4 years of backend development experience, strong cloud deployment skills, and fluency in English...

Join to apply for the Python Developer – DPU Infrastructure Tools (f/m/x) role at Sii Poland We are looking for a Python Developer to design and build backend systems that support the development and validation of Data Processing Units (DPUs). You will work on backend services in pure Python and help integrate React-based frontends deployed through Nginx. This position offers exposure to...