1012 backend developer English-speaking jobs in Lesser Poland Voivodeship

Backend Java Developer will design, build, and maintain distributed containerized platforms. Responsibilities include creating API/microservice documentation, delivering code, and ensuring coding standards are followed. Experience with Kubernetes, Docker, Kafka, Istio Service Mesh, and Java is required.

Senior Java Developer Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) B2B Contract ... : 190 – 230 PLN / hour We are looking for a proactive Senior Java Developer to join an international ... Requirements: 5 years of experience in Java backend development (Java 11). ... Key Responsibilities: Design and develop backend services and microservices in Java. ... Agile team building high‐performance backend solutions for trading and risk‐related systems.

Mid-Level Java API Developer – Cloud-Native Backend Services Miejsce pracy: Kraków Technologies we use ... Boot Maven SoapUI Postman XML Optional Kafka AWS Kubernetes About the project As a Mid-Level Java API Developer ... Your responsibilities Build and evolve high-performing, scalable APIs and backend services using Java ... performance, and maintainability Our requirements At least 4 years of experience building APIs and backend ... in Java Strong experience with Spring Boot and Maven development tooling In-depth understanding of backend

ABOUT THE ROLE We are looking for a Full Stack Developer to build and integrate LLM‑powered features ... across frontend and backend systems. ... You will develop React components, extend Python backend services, and work directly with LLM APIs to ... and component‑driven development; 1+ year of experience with Python, including API development and backend ... usage, and AI workflows; Build and maintain React‑based frontend components; Develop and extend Python backend

Position overview In this role, you will improve and maintain existing backend services written in Go ... Responsibilities Maintain and improve existing backend services written in Go Design schemas, optimize ... queries, and manage safe database migrations in PostgreSQL Develop backend logic and agentic components ... , and infrastructure components Requirements Experience developing backend services using Go Experience ... This position provides opportunities to influence backend architecture and extend the platform with scalable

For our Client we are looking for an experienced Java Developer to build, and maintain scalable backend ... B2B)  Project for our Client from the financial sector   Key Responsibilities: Develop and maintain backend ... cross-functional teams to deliver end-to-end solutions Requirements: 5+ years of commercial experience in backend

Full-Stack Developer (Python / React) Location: Kraków, Poland Work Model: Hybrid (6 days per month in ... team and support the development and maintenance of modern backend and frontend applications. ... the office) About the Role We are looking for an experienced Full-Stack Developer to join our enterprise ... Key Responsibilities Design, develop, and maintain backend services using Python (FastAPI) Build and

Senior Java Spring Boot Backend Developer – Cloud and Microservices Miejsce pracy: Kraków Technologies ... As a Senior Java Spring Boot Backend Developer, you will be working for our client in the financial industry ... Your responsibilities Develop high-quality, scalable backend applications using Java and Spring Boot,

As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together ... Requirements: 6 years of experience in backend development, with a strong focus on .NET using C#. ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies

The Role We are looking for a Senior .NET Developer to join a high-performing delivery team supporting ... Build scalable backend solutions powering the next generation of digital trading experiences. ... You will play a key role in designing, developing, and maintaining backend services and integrations ... This role is ideal for someone with strong backend engineering expertise, solid database development ... What You'll Do Design, develop, and maintain backend services and APIs using .NET Framework technologies

As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 6 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 6 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

As Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 3 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

We are looking for a Senior Java Developer to join our team in Poland and contribute to the development ... Requirements 5 -15 years of professional backend development experience. ... Design and develop backend architecture for fintech products and platforms. ... Proven experience building and maintaining backend services and APIs at scale. ... Participate in code reviews and continuously improve backend quality and engineering standards.

Azure certifications (e.g., Azure Developer Associate). ... Associate Operating system Windows Your responsibilities Design and implement backend services and APIs ... Server React TypeScript xUnit Jest Playwright Git Optional Terraform Bicep Microsoft SQL Server Azure Developer

About the Role Are you a backend developer who enjoys solving real‑world problems with clean, scalable ... At Kolomolo, we are looking for a technically driven and collaborative Senior Backend Developer to join ... You are not just a developer – you are a team player and a problem solver. ... What You’ll Be Doing Design, build, and maintain backend services for our platform; Collaborate with ... You will help shape robust, secure, scalable, and observable backend services using modern, cloud‑native

You are A seasoned backend developer with at least 4 years of experience in Node.js and TypeScript. ... Your impact zone Design, develop, and maintain backend services in Node.js and TypeScript Build and scale ... reviews, and tech discussions Key responsibilities Collaborate with the team on designing scalable backend ... years of experience in Node.js, JavaScript/TypeScript Strong command of Express.js, REST APIs, and backend

As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together ... Requirements: 6 years of experience in backend development, with a strong focus on .NET using C#. ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies

As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together ... Requirements: 6 years of experience in backend development, with a strong focus on .NET using C#. ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies

Engineer / Senior PHP Developer. ... Your responsibilities Designing and developing backend services using PHP and modern backend frameworks ... This role is a good fit for someone who has strong PHP experience, enjoys working on scalable backend ... Very good knowledge of PHP 8 and modern backend development practices Experience with frameworks such ... About the project We are looking for a Senior PHP Engineer with AI / LLM to join a team building modern backend