4458 backend developer English-speaking jobs in Warsaw
Java Software Engineer II - Remote Poland
- Clari
- Warszawa
- October 26
About the Role We’re looking for a Backend Engineer to help design, build, and scale the systems that ... Responsibilities Design, build, and maintain backend services and APIs that power core features of the ... continuously refine engineering practices and workflows Qualifications 2–5 years of experience developing backend
Java Staff Software Engineer Remote Poland
- Clari
- Warszawa
- October 25
, and performant backend systems. ... About the Role We’re looking for a Staff Backend Engineer with deep expertise in building scalable, reliable ... engineering standards, code quality, and operational excellence Qualifications 8 years of experience building backend
Senior Full Stack Engineer
- Readdle
- Warszawa
- October 22
About the role: The team is looking for a skilled Senior Full Stack Engineer for a high-load backend ... What you’ll do: Focus on backend development in Golang and integrate some frontend components, ensuring ... the team on design, implementation, testing, and deployment phases, ensuring that both frontend and backend
Software Architect
- Andersen
- Warszawa
- October 13
. - Collaborating with cross-functional teams (Frontend, Backend, GIS/Data, DevOps, Product Owner) to ... Must-haves: - Professional experience in Software Architecture for 4 years. - Strong experience in .NET backend ... front-end will be reworked) - Ability to participate in discovery and architecture planning, with focus on backend
Senior Software Engineer NET Azure
- ERGO Technology & Services
- Warszawa
- October 13
How you will get the job done designing and developing backend services using a state of the art Microsoft ... care of code quality, participating in peer programming and code reviews covering different areas of backend ... developed to stakeholders Skills and experience you will need 3 years of proven experience in developing backend
Senior Technical Recruiter - Frontier AI (Europe)
- Proximity Works
- Warsaw
- October 8
What You\'ll Do Own the end-to-end closure of senior AI, ML, multimodal, backend, and engineering ... Senior Technical Recruiter who will individually own the end-to-end closure of frontier AI, ML, and backend ... transformer fine-tuning, multimodal pipelines involving video, audio, and text, MLOps stacks, scalable backend ... contributor recruiter, not just a TA manager Demonstrated success sourcing and closing frontier AI, ML, backend
Senior Technical Product Manager (WhatsApp)
- IDT Corporation
- Warsaw
- October 25
It combines prompt engineering, conversational UX, and secure backend integrations to handle real‐money ... analyze engagement, conversion, and performance metrics to inform iteration and scaling Tech Stack Backend ... from prototype to production Strong technical fluency — comfortable with APIs, database queries, and backend
IT and R&D Tech Lead Warsaw, Masovian Voivodeship, Poland
- Rtb House
- Warsaw
- October 24
Daily Responsibilities: Leading, mentoring, and growing a team of frontend, backend, data and DevOps ... You will combine leadership with deep technical ownership, focusing on frontend, backend, and data layers ... mid-size engineering team, preferably full stack Strong technical expertise in frontend (React) and backend
Senior Server Engineer
- Luxoft Poland
- Warsaw
- October 23
Support interoperability with the vehicle backend, call-center PBX, and external operators. ... Develop and optimize SIP routing logic between vehicle softphones and the call-center backend. ... a Cloud platform to exchange, integrate and process data from and to the vehicle, the Mobileye SDS backend
Tech Lead
- RTB House
- Warszawa
- October 22
You will combine leadership with deep technical ownership, focusing on frontend, backend, and data layers ... our AdTech infrastructure.Daily ResponsibilitiesLeading, mentoring, and growing a team of frontend, backend ... mid-size engineering team, preferably full stackStrong technical expertise in frontend (React) and backend
Applied AI Engineer for a Precision Nutrition Platform
- Healthnix
- Warsaw
- October 15
Strong understanding of backend and cloud fundamentals (AWS preferred). ... Build secure, scalable model-serving APIs and data pipelines integrated with our GoLang / AWS backend ... You’ll be working across LLMs, multimodal data, and backend systems — designing and implementing production-ready
Tester oprogramowania
- SOLID
- Warszawa
- October 15
integration feasibility, and potential value for our products;End-to-End Quality Assurance: Perform backend ... applications and APIs to validate functionality, reliability, and integration across frontend user flows and backend ... Experience using AI tools to automate QA workflows;Familiarity with CI/CD pipelines and Git;Familiarity with backend
Software Engineer in Home Connect Ecosystem (IoT)
- BSH Sprzęt Gospodarstwa Domowego Polska
- Warsaw
- October 13
Extensive experience building backend applications with Node.js. ... Extensive experience with RESTful APIs and integrating with complex backend systems. ... profile Must Have 3+ years of experience in software development focused on TypeScript tech-stack (backend
Senior Full Stack Engineer
- Grid Dynamics
- Warszawa
- October 13
is a prime opportunity to drive the next generation of application development, focusing on robust backend ... experience, and sophisticated ML integration.ResponsibilitiesPlatform Refactoring: Lead the complete backend ... the main application workflow.Full Stack Delivery: Develop and optimize both frontend components and backend
Senior Typescript developer–
- BSH Sprzęt Gospodarstwa Domowego Polska
- Warszawa
- October 13
observability, and CI/CDProvide mentoring, support, and guidance to team membersYour profile5+ years of backend ... , and able to drive initiatives independentlyOptionalInterest in learning Go (Golang) and expanding backend ... cloud-native applicationsProduction experience with MongoDBSolid understanding of RESTful APIs and complex backend
Programmatic Software Engineer - Back-end & Integrations @ RTB House
- RTB House
- Warsaw
- October 7
Application Architect – Frontend
- Sii Poland
- Warszawa
- October 22
approximately 50% of the time), especially in architecture-critical areasEnsure seamless integration with backend ... PHPFamiliarity with CMS platforms (e.g., Drupal, Magento)Understanding of microfrontend architectures and backend
Full-Stack Developer (Node.js, JavaScript, TypeScript)
- Action1
- Warsaw
- October 10
product with numerous endpoints Write unit and integration tests for both frontend and backend Refactor ... Responsibilities Develop and maintain frontend part of the product Develop API and backend for a high-load
Node.js Developer
- emagine
- Warsaw
- October 8
Stay up to date with backend development trends and emerging tools. ... Contribute to code reviews and support continuous improvement of backend practices.
Salesforce Administrator & Developer @ Alcor
- Alcor
- Warsaw
- October 20

























































