1053 backend developer English-speaking jobs in Masovian Voivodeship
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Senior Python Engineer, DataFeed Team
- Fliff Inc.
- warszawa
- July 22
This is not a generic backend role. ... Looking For
5+ years of strong production experience with Python
Experience designing and operating backend ... Investigate production issues, trace data problems, and improve system observability
Collaborate with backend ... Redis, PostgreSQL, or similar technologies
Experience with Go / Golang, especially for high‑throughput backend
Senior Software Engineer, Box Office Platform
- CoreWeave
- warszawa
- July 20
Proven professional experience writing production-grade backend services in Go (Golang). ... Experience building internal tooling or limited UIs to support backend systems (e.g., operational dashboards ... designing and implementing container‑based microservices and integrating open‑source tools to customize backend ... Experience with Kubernetes or similar container orchestration platforms, including deploying and operating backend
Java Fullstack Developer @ DCG
- DCG
- Warsaw
- August 1
with JSP, JavaScript, and frontend-related development Experience in writing REST APIs Experience in backend ... production incidents, Implementing compliance and mandatory business changes, Designing and implementing backend
DevSecOps Security Consultant @ Antal
- Antal
- Warsaw
- July 15
platforms
Conduct security reviews of CI/CD pipelines, build systems, runtime infrastructure, and developer ... closely with engineering teams and platform owners to strengthen the security posture of CI/CD pipelines, developer ... platforms
Conduct security reviews of CI/CD pipelines, build systems, runtime infrastructure, and developer ... Kubernetes and container security Familiarity with software supply chain security, SLSA, SBOM, or secure developer ... closely with engineering teams and platform owners to strengthen the security posture of CI/CD pipelines, developer
Senior Fullstack Software Engineer (Python/TS)
- Paramount
- warszawa
- August 4
Backend, Mobile, DevOps, Test Automation and System Engineers, Product Owners, Scrum Masters,
Our products ... with other engineers,
Familiarity with Vue or React or openness to learn,
Being a fully self‑reliant developer
Senior AI Engineer (LLMs, Python) @ Addepto
- Addepto
- Warsaw
- August 5
Experience with backend frameworks (e.g., FastAPI) and databases (SQL/NoSQL). ... Requirements: Data science, AI, Python, Cloud, GenAI, LLM, Backend, CI/CD, AWS, Frontend, React, Node.js ... talented individuals to join:
An AI-powered platform for industrial engineering, where you will build a backend ... Assist in transforming Data Science prototypes into production-ready solutions., Build and enhancing backend ... talented individuals to join:
An AI-powered platform for industrial engineering, where you will build a backend
Senior Software Engineer
- Nearmap
- warszawa
- August 4
Qualifications
Strong expertise in backend technologies including Go and/or C#. ... Proven experience leading backend engineering teams delivering scalable, production‑grade APIs and platform ... higher in Computer Science, Engineering, or a related field, with a comprehensive understanding of backend
Full Stack Developer @ Antal
- Antal
- Warsaw
- July 8
In this role, you will work on both backend services and modern web applications, helping to design highly ... In this role, you will work on both backend services and modern web applications, helping to design highly ... across distributed systems., Contribute to architectural decisions and long-term platform scalability., Backend
Senior Software Engineer – AI Coding Benchmarks @ Mindrift
- Mindrift
- Warsaw
- July 10
Senior Product Designer (AIR)
- JetBrains
- warszawa
- August 4
the developer stays in control. ... Nice to have
Designing for developer-focused products or technical environments. ... Ever since we started, back in 2000, we have strived to make the strongest, most effective developer ... Air is a new kind of developer tool: a workspace where multiple AI agents run tasks in parallel while
Senior Platform Engineer with Python @ Link Group
- Link Group
- mazowieckie
- August 9
This role focuses on developing scalable software solutions, improving developer experience, and driving ... This role focuses on developing scalable software solutions, improving developer experience, and driving ... tools used across multiple teams. , Develop and enhance internal platforms, including authentication, developer
Senior Platform Engineer with Python @ Link Group
- Link Group
- Warsaw
- August 5
This role focuses on developing scalable software solutions, improving developer experience, and driving ... This role focuses on developing scalable software solutions, improving developer experience, and driving ... tools used across multiple teams. , Develop and enhance internal platforms, including authentication, developer
Senior Software Engineer (Java, Spring, Cloud)
- Webfleet Solutions B.V.
- warszawa
- August 8
Join our innovative team at Webfleet Solutions as a Senior Software Engineer, specializing in Java backend
Senior Software Engineer (Java, Spring, Cloud)
- Bridgestone Mobility Solutions
- warszawa
- August 8
Join our innovative team at Webfleet Solutions as a Senior Software Engineer, specializing in Java backend
Senior Software Engineer
- SimCorp
- warszawa
- August 4
You will work as part of an experienced engineering team, contributing to backend development, component ... how we build, modernize and evolve the product.ResponsibilitiesDesign, implement, test and maintain backend ... degree in computer science, information technology, or a related fieldSolid experience with C#/.NET and backend
Software Engineer III, Backend (Identity & Security) @ Box Inc.
- Box Inc.
- Warsaw
- July 29
Senior Product Engineer (Full Stack)
- Shelf
- warszawa
- August 7
You do not need to be backend-only, but you can design and ship APIs, backend logic, and data flows when ... Expect real ownership from problem discovery through frontend, backend, release, and production quality.The ... web productsStrong frontend ability with React and TypeScript or an equivalent modern web stackReal backend ... work from the office.What You Will OwnBuild and ship user-facing product features across frontend and backend ... end-to-end because you care about both implementation and product qualityYou do not treat frontend and backend
Engineering Team Leader
- Remote
- warszawa
- August 5
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
Senior Software Engineer @ Brighstar Lottery
- Brighstar Lottery
- Warsaw
- July 19
Staff Software Engineer
- Starburst
- warszawa
- August 4
Responsibilities
Own backend and platform components that orchestrate distributed compute for enterprise ... role
As a Staff Engineer on the Spark Job Manager and Starburst Enterprise team, you will own critical backend ... Qualifications
8+ years of professional backend experience, with strong expertise in Java and production‑ready













