902 backend developer English-speaking jobs in Warsaw

Experience with MCP and safe agentic/AI workflows for developer tooling. ... Senior Staff‑level experience building and operating production systems or internal developer platforms ... This includes API governance and specifications, SDK/IaC/documentation generation, and developer platform ... You’ll lead technically across teams, improve developer experience, and raise reliability through automation ... Experience with developer and documentation platforms (e.g., Docusaurus, Backstage, Confluence), including

We are looking for an experienced Application Developer, who'll join our customer's project.

Your responsibilities Design, build, and operate backend services supporting payments, subscriptions ... Strong experience designing, building, and operating backend services in production environments. ... Ability to work across the full stack, delivering both backend services and frontend applications when

through pair programming, reviews, and defined engineering standardsAlign mobile solutions closely with backend ... strong self-initiativeNice to have-Experience with cross-platform frameworks (Flutter, React Native)-Backend ... Experience with CI/CD, testing, and monitoring in mobile environmentsFull-stack mindset (API integration, backend

You will work hands-on with backend services, cloud infrastructure, model serving, observability, and ... Professional experience building backend services in Python; experience with Java, Kotlin, Go, C, or ... Partner with ML Engineers to integrate models into scalable backend services and real-time recommendation

test casesDocumenting design and solution approachesProfileYou have at least 7 years of experience in backend

platforms and paperless services for both private businesses and public sector institutions.ЗадачиDevelop backend

and durability for AI & BI analytics.ResponsibilitiesDesign, develop, and maintain high-performance backend

4HANA environments to SAP Datasphere.Design and implement “Architectural Guardrails” and assess S/4HANA backend

In this role, you will work on scalable backend services and modern web applications, contributing to ... : Design, develop, and maintain scalable full-stack applications Build modern web applications and backend

within the team.### Skills Required* Python* C* C++* Java* JavaScript* Data Structures* Algorithms* Backend ... for our users around the world.Responsibilities: Architect, build, and maintain scalable and reliable backend ... feature teams to define requirements, agree on API specifications, and ensure seamless integration of backend ... Conceptualize and implement backend solutions to effectively surface the value of premium features, including

We encourage anyone passionate about developer platforms and testing infrastructure to apply.About the ... roleWe are looking for an experienced Senior Software Engineer to build developer‑facing infrastructure ... runs.Stay informed about industry trends and emerging technologies – particularly GenAI applied to developer ... language‑agnostic systems – spanning distributed execution infrastructure, telemetry and GenAI‑powered developer ... that make pre‑production feedback testing fast and trustworthy.Our ideal candidate is passionate about developer

Strong coder with demonstrated proficiency in one of the backend languages such as Java or Scala. ... responsibilities : Design, build, and maintain backend services in Java, Scala and PHP that power Box's

Extensive experience with Backend (Elixir/Phoenix or Ruby or functional programming). ... Key Responsibilities Managing a small product team of 3-5 engineers (backend and frontend). 30% of the

usage and failure modes Ideal Experiences Strong experience in full stack engineering (frontend + backend ... Focus Build end-to-end product features across frontend, backend, and AI integrations Design agent workflows ... constraints Improve system reliability, observability, and fallback mechanisms Collaborate closely with ML, backend

role, you will primarily focus on building modern frontend applications while also contributing to backend ... with focus on quality, usability, and maintainability.Full Stack development experience, including backend ... initiatives.Build frontend solutions with a strong focus on React-based user interfaces.Contribute to backend

this position, you’ll help architect and maintain large-scale search systems, build high-performance backend ... TypeScript, MSSQL, Redshift Location: Hybrid in Warsaw, UoP Key Responsibilities Develop and maintain backend ... Nice‑to‑Have Experience Backend engineering experience in at least one of the following languages: Python

actively involved in the design of various components behind scalable applications, from frontend UI to backend

solutionsIntegrate external APIs, enterprise systems and AI modelsCreate reusable AI components and backend ... building RAG solutionsExperience working with vector databasesStrong understanding of REST APIs and backend

This is a fantastic opportunity for an experienced developer who is ready to take ownership of end-to-end ... As a Python Full Stack Developer (Treasury Transformation) Associate/Senior Associate within the Treasury