4594 backend developer English-speaking jobs in Masovian Voivodeship
Team Lead –
- BSH Sprzęt Gospodarstwa Domowego Polska
- Warszawa
- October 13
Workplace: Warszawa Your responsibilitiesLead a team of up to 5 backend developers, fostering ownership ... , and able to drive initiatives independentlyOptionalInterest in learning Go (Golang) and expanding backend ... observability, and CI/CDProvide mentoring, support, and guidance to team membersYour profile5+ years of backend ... cloud-native applicationsProduction experience with MongoDBSolid understanding of RESTful APIs and complex backend
Staff Backend Engineer – Retention/Sports/iGaming Warsaw, Poland
- LeoVegas Group
- Warsaw
- October 13
As a Staff developer you will have a key role in owning delivery plans and aligning the product importance ... environment, integrating data feeds with our modern trading system and transactional betting platform (UI/Backend
Fullstack Engineer
- Point Wild
- Warsaw
- October 13
experience, ideally including: Frontend: React or similar frameworks; UI component design; state management Backend ... security tools, vulnerability detection platforms, or compliance automation Prior experience working on developer-facing
Cloud Application Architect, AWS Generative AI Innovation Center
- Amazon Web Services
- Warszawa
- October 13
DESCRIPTIONWe seek a Full Stack Developer to join our GenAI Innovation and Delivery Center, focusing ... ) and foundation modelsCreate responsive front-end interfaces using React, Angular, or Build robust backend
Software Engineer
- Legend
- Warsaw
- October 9
Support and improve the internal developer experience and system observability. ... Experience designing and maintaining APIs, backend services, and/or automation systems.
Senior Software Engineer - Testing Tools & Strategy
- Shardeum Foundation
- Warsaw
- October 8
Build and maintain internal tools to improve developer experience, productivity, and test efficiency. ... automated testing failures using industry-standard frameworks and custom tools, working with developers and backend
Python backend engineer GenAI team
- BEC Financial Technologies
- Warszawa
- October 24
will (mandatory requirements): Have at least 3 years experience in using python language in developing backend
Staff Java Backend Software Engineer
- Visa
- Warszawa
- October 13
Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people.
GenAI Tooling Engineer
- Movate
- Warszawa
- October 11
This role is focused on building, prototyping, and deploying AI-powered solutions that boost developer ... productivity, improve engineering efficiency, and enhance the developer experience.You will work directly ... (e.g., GitHub Copilot, OpenAI, AWS Bedrock).Desirable● Experience building developer tooling, plugins ... code reviews, bug triage).● Prototype and deploy GenAI-powered tools, APIs, and plugins to accelerate developer ... productionize GenAI models and APIs (e.g., OpenAI, Anthropic, AWS Bedrock, GitHub Copilot).● Automate developer
Staff Full-stack Engineer NET React
- Relativity
- Warszawa
- October 13
Proficiency in .NET Core/.NET 6 (C#) for backend development. ... This role requires a strong technical background in both frontend and backend development, cloud-based ... design, develop, and maintain scalable web applications with high-quality user experience and robust backend ... and maintain intuitive, high-performance web applications using React on the frontend and (C#) on the backend ... 8 years of professional experience in software development with a focus on UX, Web Development, and Backend
Tech Lead
- GoSolve
- Warszawa
- October 16
Backend Architecture: Create and manage backend services, including RESTful APIs and microservices, utilizing ... Backend Expertise: Node.js, Next.js, Java (Spring framework experience is a plus). ... Requirements: 5 Years of Experience: Proven experience building modern web applications in a full-stack and backend
Senior Technical Product Manager (WhatsApp)
- Medium
- Warszawa
- October 22
Strong technical fluency — comfortable with APIs, database queries, and backend systems. ... It combines prompt engineering, conversational UX, and secure backend integrations to handle real-money ... Tech Stack
Backend: Node.js, Python
Frontend: React
AI/NLP: LangChain, LangGraph, LLM frameworks
Golang Developers
- Strategicsiq
- Warszawa
- October 24
Key Responsibilities Develop and maintain backend services and APIs using Golang Design clean, efficient ... The ideal candidates will have a strong background in backend development and experience building high-performance
IDMC ETL Developer with Informatica
- Mpower Plus
- Warszawa
- October 16
Role - IDMC/ETL Developer (with Informatica) Location : Warsaw, Poland (Hybrid) Contract duration : 6 ... to 12 months (Extendable) Job description: About You: The Informatica Developer will work closely with
IT Analyst - Business Rules and Document Template Developer
- ITDS
- Warszawa
- October 13
Shape the Future of Credit Processes as an IT Analyst & Document Templates Developer! ... As an IT Analyst (Business Rules and Document Template Developer) , you will be working for our client
CTO / Software Architect
- Madfish
- Warsaw
- October 20
The ideal candidate will have deep expertise in AWS , modern backend technologies, domain-driven design
Mid Fullstack Engineer (Node.js/React)
- CLOUDFIDE
- Warsaw
- October 13
You are an experienced fullstack engineer who moves smoothly between backend and frontend. ... Your impact zone Design and build scalable backend services using Node.js Develop frontend components ... reviews, documentation, and mentoring less experienced developers Key responsibilities Work on both backend
Java Fullstack Developer
- emagine
- Warszawa
- October 13
the AML5D project framework using various technologies and programming languages, ensuring that both backend
Senior Full Stack Developer
- Grid Dynamics
- Warszawa
- October 13
, you'll take part in designing and building scalable web applications end to end - from robust backend ... teamRequirements2–3 days per week from the Warsaw officeStrong knowledge and hands-on experience in backend
Staff Full Stack Engineer
- TechTree
- Warszawa
- October 13
developing, and maintaining scalable web applications with an emphasis on UX/UI, cloud architecture, and backend















