3451 backend developer English-speaking jobs in Poland

This role is ideal for someone who enjoys hands-on backend development, creating efficient APIs, and ... responsibilities : Develop, enhance, and maintain backend applications using Java Create and support ... technologies-optional : Cloud Docker Kubernetes Kafka MQ about-project : We are looking for a Backend

A key focus is maintaining and expanding our backend‐focused test automation setup, including API and ... You will own the end‐to‐end testing process across frontend and backend, from test basis identification ... Testing backend components across multiple environments, ensuring data integrity and reliable service ... Validating protocol flows , authentication logic, cryptographic operations, and backend configuration ... the design of new features Take responsibility for the end-to-end test process for both frontend and backend

Responsibilities Backend Development (primary focus) Design, develop, and maintain backend services using ... , monitoring, and visualization of pricing outputs Ensure seamless integration between frontend and backend ... business requirements into automated system logic Technical Skills (essential) Strong experience in Python backend

Your responsibilities: Designing, developing, and maintaining backend applications in Java Building ... The team works on business-critical backend services and trading-related platforms with a strong engineering ... Knowledge of Kafka and containerized environments Interest in fintech, trading platforms, or high-scale backend

The role involves working across backend services, frontend interfaces, and cloud infrastructure in a ... What you will do Design and build high-performance backend systems using Java 17 Develop modern, responsive ... decision-making What we are looking for Strong hands-on expertise in Java (7 years) and enterprise backend

Familiarity with enterprise backend platforms and service‑based environments. ... Demonstrated ability to design and implement backend and workflow‑driven solutions across multiple enterprise ... Strong ability to independently solve complex backend engineering problems within a distributed, service‑based

Our core backend technologies include Java, Kotlin, Spring, and ADK. ... which technology solves the problem and you are responsible for what you create.You will value our Developer ... and Retrieval-Augmented Generation (RAG) to semantic search optimization, you'll tackle the complex backend

You will value our Developer Experience and the full platform of tools and technologies that make creating ... From distributed systems and data streaming to algorithmic optimization, you'll tackle the complex backend ... Allegro ecosystem; Are open to developing soft skills and exploring a full-stack mindset by learning new backend

Our core backend technologies include Java , Kotlin , Spring, and ADK . ... You will value our Developer Experience and the full platform of tools and technologies that make creating ... and Retrieval-Augmented Generation (RAG) to semantic search optimization, you'll tackle the complex backend

Our core backend technologies include Java, Kotlin, Spring, and ADK. ... You will value our Developer Experience and the full platform of tools and technologies that make creating ... and Retrieval-Augmented Generation (RAG) to semantic search optimization, you'll tackle the complex backend

Senior Cloud Security and Developer Platform EngineerMiejsce pracy: KrakówTechnologies we useExpectedJavaSpring ... BootOperating systemWindowsLinuxAbout the projectAs a Senior Cloud Security and Developer Platform Engineer ... members to solve technical challenges and improve workflows.Proactively identify opportunities to enhance developer

#EthernetLinuxPythonShell scriptingAbout the projectAs a Senior Python Developer – Trading Technology ... Senior Python Developer – Trading Technology & Data PipelinesMiejsce pracy: WrocławTechnologies we useExpectedC

ServiceNow Security Operations (SecOps) Developer Miejsce pracy: Kraków Technologies we use Operating ... system Windows About the project The ServiceNow Security Operations (SecOps) Developer will play a pivotal

We work with around 500 engineers skilled in Node.js, delivering scalable and efficient backend solutions ... development as a Full‑Stack Engineer Strong hands‑on experience with Node.js and TypeScript on the backend

This includes interacting with our existing backend REST APIs, providing feedback based on mobile needs ... , and working with our web, backend, and UX teams to build new features and enhance the quality of existing

We are looking for a Software Engineer/ Senior Java Developer to architect and implement modern backend

Experience with working as a part of a team Dedication and passion for technology Interested in quality, developer

responsibilities : Deliver end-to-end technical improvements across backend services, infrastructure ... , and supporting systems Take ownership of backend engineering initiatives with a strong focus on scalability ... practices, and operational excellence requirements-expected : Advanced proficiency in C# / .NET Strong backend

Responsibilities: Design, develop, and maintain backend services Collaborate closely with backend ... You’ll contribute across the stack, building scalable backend services and intuitive frontend experiences

Backend depth. 4+ years of experience building backend products. ... Design and run agentic workflows to build backend systems in Go - scope, delegate, review, ship. ... Nice To Have Go - our primary backend language; strong fundamentals speed you up meaningfully.