2124 backend developer English-speaking jobs in Poland

What you’ll do Design, develop, and maintain scalable, high-performance C#/.NET Core APIs and backend ... Bachelor’s degree in computer science, engineering, or a related field. 10+ years of experience in backend

Design and build backend systems and REST/GraphQL APIs using Python (FastAPI) . ... Requirements 3+ years of experience in backend development with Python/FastAPI . ... Experience in AI automation tools or integrating machine learning models into backend workflows.

If you want to shape a developer tool from the early stages, this is it. ... Your daily work will include building the UI in Compose Desktop, integrating with backend REST APIs for ... Backend integration: REST APIs for model deployment management Agent layer: configuration files in TOML ... cutting complexity while keeping the system extensible System‑level thinking: understanding how UI, backend

Collaboration within an interdisciplinary, self-sufficient team including: DevOps (ensuring a great Developer ... Experience), database experts, backend developers, product designers, and QA engineers;Hardware and ... engineering productivity.ResponsibilitiesLead, mentor, and grow a team of talented Frontend/Full Stack and Backend ... stakeholders from Ads layouts creation teams (designers, graphic specialists), and the core Bidding Platform backend

Participate in code reviews, technical design discussions, and operational improvements to ensure high developer ... mechanisms.Key ResponsibilitiesFeature Development and Ownership: Implement and own the lifecycle of backend ... data using natural language.The Scope of WorkAs an engineer on our team, your tasks will span standard backend ... deployment culture.What We Are Looking ForCore Software Engineering: Solid foundational knowledge of backend

We are looking for a developer who finds satisfaction in architecting high-performance solutions, optimizing ... We're looking for someone passionate about building robust and scalable backend systems. ... system reliability, and creating efficient backend services that handle complex document processing ... What You’ll Bring… have experience in backend services and distributed systems know how to code — it

You will build and maintain a robust, self‑service developer platform and shared core services that embrace ... Deep proficiency in TypeScript and JavaScript; strong working knowledge of Java or Kotlin for backend ... Write high‑quality, well‑tested code in TypeScript/JavaScript for frontend work and in Java/Kotlin for backend

You will build and maintain a robust, self‑service developer platform and shared core services that embrace ... Deep proficiency in TypeScript and JavaScript; strong working knowledge of Java or Kotlin for backend ... Write high‑quality, well‑tested code in TypeScript/JavaScript for frontend work and in Java/Kotlin for backend

You will build and maintain a robust, self‑service developer platform and shared core services that embrace ... Deep proficiency in TypeScript and JavaScript; strong working knowledge of Java or Kotlin for backend ... Write high‑quality, well‑tested code in TypeScript/JavaScript for frontend work and in Java/Kotlin for backend

Join the Incogni engineering team and help us build the next-generation backend system that powers our ... We’re looking for a senior backend engineer who thinks in systems, designs for growth, and is comfortable ... If you want to: Design, build, and evolve high-traffic, business-critical backend services with a focus ... And you can check off: Strong experience as a backend or software engineer building production systems ... Have experience building or scaling platforms that serve millions of requests; Worked with multiple backend

We are seeking the iOS Front End developer – who will take ownership of developing, deploying, and maintaining ... robust, scalable mobile features aligned with microservices architectures.Integrate mobile apps with backend

servicesWork with backend engineers on API integration and online feature reliabilityEnsure compliance ... multiplayer systemsExperience with console development and certification requirementsExperience with backend ... extend cross-platform online featuresBuild and maintain communication layers between the game client and backend ... live online issues across multiple platformsContribute to architectural decisions regarding online and backend-connected

digital solutions across international markets.Your responsibilities will include developing robust backend

and maintain features across the entire stack, ensuring seamless integration between the frontend and backend

and maintain features across the entire stack, ensuring seamless integration between the frontend and backend

Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application

Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application

Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application

Strong code review culture and ability to collaborate with backend and design counterparts. ... Build the developer experience around the schema: typed clients, runtime validation, mocks, contract ... This is your chance to be at the forefront of automotive innovation, building the developer and partner ... Experience writing partner or developer‑facing technical content (HOWTOs, integration guides, release

YOUR ROLE We are looking for a skilled and proactive Senior/Mid Python Developer to join our global engineering ... Knowledge of cybersecurity best practices in backend development. ... The successful candidate will contribute to the design, development, and optimization of scalable backend ... Experience working with high volumes of data and building performant backend solutions to handle large-scale ... asynchronous programming and event-driven architectures YOUR TASKS Design and implement robust, scalable backend