1836 backend developer English-speaking jobs in Warsaw
Lead Software Engineer - AI Engineering Lab
- RTB House
- Warszawa
- March 7
Collaboration within an interdisciplinary, self-sufficient team including: DevOps (ensuring a great Developer ... You Will
Lead, mentor, and grow a team of talented Frontend/Full Stack and Backend engineers, fostering ... Experience), database experts, backend developers, product designers, and QA engineers;
Hardware and ... stakeholders from Ads layouts creation teams (designers, graphic specialists), and the core Bidding Platform backend
Senior Fullstack Developer (Node.js & React) - Warsaw
- DCG Poland
- Warszawa
- March 27
undertake for our partners, we are currently looking for:
Responsibilities:
Develop and enhance the Developer ... professional experience in full stack development
Strong hands-on experience with Node.js and modern backend
Senior Fullstack Developer (Node.js & React) - Warsaw
- Diverse CG Sp. z o.o. Sp.k.
- Warszawa
- March 27
undertake for our partners, we are currently looking for:
Responsibilities:
Develop and enhance the Developer ... professional experience in full stack development
Strong hands-on experience with Node.js and modern backend
NDA FinTech | Backend Engineer
- SD Solutions
- Warszawa
- March 27
On behalf of NDA, FinTech, SD Solutions is looking for a talented Backend Engineer. ... Strong proficiency in at least one modern backend language such as Java or Kotlin. ... As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our ... You will focus on building scalable, secure, and high-performance backend services, handling critical ... Responsibilities
Design and implement scalable backend architecture, services, and APIs for core financial
Back End Developer
- SD Solutions
- Warszawa
- March 14
On behalf of NDA, FinTech, SD Solutions is looking for a talented Backend Engineer. ... Strong proficiency in at least one modern backend language such as Java or Kotlin. ... As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our ... You will focus on building scalable, secure, and high-performance backend services, handling critical ... Responsibilities:
Design and implement scalable backend architecture, services, and APIs for core financial
Full Stack Developer III
- Brightstar Lottery
- Warsaw
- March 28
Role Overview: As a Full Stack Developer , you will play pivotal role in the design, development, optimization ... Ensure security, scalability, and performance in all backend solutions Frontend Development : Develop ... Key Responsabilities: Backend Development: Develop robust, configurable applications using Java 17+ and ... with other engineering teams Contribute to design discussions and mentor junior developers Skills: Backend ... ) Qualifications: Bachelor’s degree in Computer Science or related field, plus 5 years professional backend
Blazor Fullstack Developer (Synbiotix Team)
- SINGU
- Warszawa
- March 14
What You Will Do:
Build and Enhance ProductsAs a Blazor Developer, you will play a key role in developing ... /UI development, you will also contribute to backend and database work when needed. ... What You'll Bring to the Team:
Strong NET & Backend Development Experience: You have solid commercial ... Develop Fullstack Solutions (.NET Backend & SQL Server Included)While your main focus will be frontend ... experience with ASP NET, MVC, Web API, and Entity Framework, and you understand how to design scalable backend
Frontend Engineer (React, Remote, Europe)
- Spacelift
- Warsaw
- March 24
By automating deployment and configuration, providing developer self-service, golden paths with guardrails ... The Team We work in product teams (8), a team lead, backend and frontend engineers, a UX/UI designer, ... You’ll collaborate closely in a cross-functional setup with designers, backend engineers, and product ... , and an OPA policy engine, Spacelift empowers businesses to accelerate developer velocity while maintaining
Software Engineer
- Luxoft Poland
- Warszawa
- March 6
Mandatory Skills Description
3+ years overall working as a Software Developer on a similar technology ... Nice-to-Have Skills Description
Familiarity with build pipelines, CI/CD, and frontend/backend tooling ... practices — from React-based UIs that make complex performance data understandable, to robust Java 21 backend ... stack (TypeScript/React on the frontend, Java and Spring or similar framework on the backend)
Deep understanding
Full Stack Developer III
- IGT
- Warszawa
- March 30
Role Overview
As a Full Stack Developer, you will play pivotal role in the design, development, optimization ... Key Responsibilities
Backend Development:
Develop robust, configurable applications using Java 17+ ... Ensure security, scalability, and performance in all backend solutions
Frontend Development:
Develop ... Qualifications
Bachelor’s degree in Computer Science or related field, plus 5 years professional backend ... with other engineering teams
Contribute to design discussions and mentor junior developers
Skills
Backend
Staff Software Engineer, Chassis
- Waymo
- Warszawa
- March 14
productivity, or developer tools
#J-18808-Ljbffr ... autonomous vehicles
You have:
BS degree in Computer Science or equivalent practical experience
6+ years of backend ... Experience working in environments including nontechnical team members
Experience with operations tooling, developer
Fullstack Developer NET&Angular
- Cyclad
- Warsaw
- February 28
and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Develop backend ... We are seeking an experienced Fullstack Developer (.NET Angular) to join a remote development team. ... If you are an experienced fullstack developer who thrives in a collaborative environment, takes ownership
Full Stack (Node.js+React.js)
- Yalantis Limited
- Warszawa
- February 25
Requirements:
6-7 years of experience as a full-stack developer. ... Responsibilities:
Develop and maintain new features with a focus on React frontend, while contributing to backend ... We are looking for a Senior Full-Stack Developer with a strong focus on frontend (React) to join a long-term
Senior Software Engineer
- CreatorIQ
- Warszawa
- April 1
Senior Software Engineer We are looking for a Senior Full Stack Developer (50/50 frontend/backend) to ... : AWS (Lambda, EC2) In This Role, You’ll Get To Own features end‑to‑end across frontend and backend ... systems Strong experience with:React + TypeScript Backend development (Node.js and/or Python/Django) ... enjoys owning problems end‑to‑end, not just tickets Someone comfortable navigating both frontend and backend ... Tech Stack Frontend: React, TypeScript, JoyUI/MUI Backend: Python (Django), Node.js (TypeScript) Infrastructure
Senior Full Stack Engineer, Creator Recruit
- CreatorIQ
- Warszawa
- March 17
Senior Full Stack Engineer, Creator Recruit
We are seeking a highly skilled Senior Full Stack Developer ... Partner closely with product, design, and backend engineering to shape the future of Creator Tools and ... Work across the stack to integrate frontend applications with backend services and APIs, ensuring stable ... The ideal candidate will have extensive experience with frontend frameworks, a solid understanding of backend ... Implement effective testing strategies, ensuring high coverage across both frontend and backend components—including
Full Stack Developer (.NET + React)
- Andersen Software, Inc.
- Warszawa
- March 31
Andersen is hiring a Full Stack Developer (.NET + React) for a project developing an enterprise meeting ... features within a monolithic .NET 4.6 MVC API environment.Taking ownership of medium‑to‑high complexity backend ... React hooks preferred).Ability to build clean, reusable components that integrate smoothly with .NET backend ... maintainability, and reliability.Working with React front‑end applications, integrating UI components with backend ... years.Strong experience with C# / .NET Framework 4.6 (monolithic MVC architecture).Solid understanding of backend
Senior Backend Software Developer (.NET/C#)
- VELUX
- Warszawa
- March 14
We are seeking a highly skilled and experienced Senior Software Developer specializing in backend development ... If you thrive in a collaborative environment, enjoy designing modern backend services, and are ready ... Responsibilities
Design, develop, and maintain scalable backend services and solutions using C#and . ... Required Skills & Qualifications
5+ years of experiencein backend development using C# and .NET frameworks
Senior Backend Engineer
- Dsstream
- Warszawa
- March 14
experience in building cloud-based backend solutions. ... We are looking for an experienced Senior Backend Engineer (Python/Go, AWS) with at least 5 years of commercial ... Scope of responsibilities
Design and development of the backend layer for the Voice AI platform running ... Integrating the backend with the AI/LLM layer on AWS and collaborating with product and AI teams. ... Requirements
Minimum of 5 years of commercial experience as a backend engineer / software engineer.
Senior Software Engineer (TypeScript, Java)
- Luxoft Poland
- Warszawa
- March 29
Mandatory Skills Description
5+ years overall working as a Software Developer on a similar technology ... practices — from React‑based
UIs that make complex performance data understandable, to robust Java 21 backend ... stack (TypeScript/React on the frontend, Java and Spring or similar framework on the backend) — comfortable
Senior Backend Engineer Warsaw, Poland
- SumUp Inc.
- Warszawa
- March 23
integration products that provide essential features used across many other SumUp products.You're a developer ... You bring backend expertise and thrive in a high-impact environment where your work directly supports ... to maintain high code quality standardsYou’ll thrive in this role if:You have 5+ years experience in backend















































