3064 backend developer English-speaking jobs in Warsaw
Senior Backend Developer - Node.js (100% Remote)
- Tether Operations Limited
- Warszawa
- December 21
About the job
As a senior Backend Developer, you will be a part of the team that works on the development ... The Backend Development team is responsible for building all the API services and backend processes with ... and maintenance of the backend components of multiple services related to the platform. ... Improve existing core backend services written in NodeJS
Implement new solutions that interact with ... Scalability - all backend services that power Tether platform must remain effortlessly smooth, responsive
Front-End Engineer, Surveillance Technology
- Balyasny Asset Management L.P.
- Warszawa
- January 29
Overview
Join the Surveillance Technology team as a Front-End Developer and help modernize our UI by ... Partner with backend teams to integrate APIs (REST and/or gRPC-Web). ... You’ll build fast, user-friendly interfaces and partner closely with backend and data teams to deliver ... Experience integrating with backend services via REST (and familiarity with gRPC concepts is a plus).
Senior Web Application Developer (m/f/d)
- ZF Friedrichshafen AG
- Warszawa
- January 12
Backend Integration: Create robust interfaces between the UI and backend Python execution engines (e.g ... Be part of our ZF team as Senior Web Application Developer (m/f/d) and apply now! ... What you can look forward to as a Senior Web Application Developer (m/f/d)
High-Performance Web Apps ... We are looking for a Senior Web Application Developer to join our growing UI/Visualization team in Wroclaw ... Your Profile as a Senior Web Application Developer (m/f/d)
At least a Bachelor’s Degree in a related
Senior Java Developer
- Tooploox
- Warszawa
- January 16
Senior Java Developer
Join to apply for the Senior Java Developer role at Tooploox
We’re Tooploox 💎 ... The platform will provide a federated GraphQL interface that unifies access to multiple backend services ... and maintain the server‑side logic of our applications using Java
Implement efficient and performant backend ... practices for code hygiene and organization
Experience And Skills You Need To Join Us
5+ years of backend
Lead Frontend Developer (React) - Remote Work Type
- Directio Sp. z o.o.
- Warszawa
- January 22
Responsibilities:
As a React Developer you will be developing and maintaining modern React applications ... About project:
We are looking for a Lead React Developer for our UK client, who specializes in psychometrics ... layers;
You will be collaborating closely with backend teams, aligning on API contracts, data models ... Core MVC and Razor Pages, ensuring seamless communication and consistent behavior across frontend and backend ... APIs, authentication patterns, and middleware configuration, enabling secure and reliable frontend–backend
Senior React Engineer (networking project)
- ACAISOFT POLAND Sp. z o.o.
- Warsaw
- February 5
Overseas Contractor- Java Backend
- LTIMindtree
- Warszawa
- January 16
solutions according to functional and technical design specificationsWeb and Java development of Frontend Backend ... Invoicing Statement Book Keeping Fees Interchange Cash Fee etcAt least 5 years of work as a senior software developer
Node.js Developer
- Yalantis Limited
- Warszawa
- January 5
marketing platform for boutique hotels.What you’ll do:Develop and maintain scalable, high-performance backend ... (Cyprus), Warsaw (Poland) and remotely from any city of Ukraine.Weare looking for askilled Node.js Developer ... and extending existing solutions.Strong self-management and communication skills— you’ll bethe only developer
Senior Fullstack Developer
- Consid
- Warsaw
- January 21
Job Title: Senior Fullstack Developer Location: Warsaw, Hybrid (2–3 days onsite) Contract Type: B2B We ... Collaborate closely with backend, frontend, DevOps, and product teams. ... Strong expertise in both backend (Node.js, SQL/PostgreSQL) and frontend (React, TypeScript).
Python Engineer (Contract)
- Fliff Inc
- Warszawa
- January 27
We are seeking a Middle Python Developer to contribute to backend service development in a distributed ... You will own features and collaborate to deliver reliable, maintainable backend services using Python ... and support
Develop backend APIs and services using Python and Django
Work on message‑driven systems ... What You’ll Do
Take ownership of assigned backend features and services from development through deployment ... on‑call rotations and production support
What We’re Looking For
3+ years of professional Python backend
Frontend Developer
- Productiv.team
- Warszawa
- December 22
You will collaborate closely with product managers, UX designers, and backend engineers to deliver seamless ... We are seeking a Frontend Developer to join the team. ... Frontend Developer at Productiv.team
Productiv is a fast-growing US-based multinational information ... About the Role
We are looking for a Frontend Developer with strong expertise in Angular 17+ to build
Senior Java Backend Developer
- PTT Consulting
- Warszawa
- January 24
Senior Java Backend Developer needed for a 2/3 month project to develop a digital e2e cash loan refinancing product. Requires 5+ years of Java experience, expertise in Hibernate, Spring, Spring Boot, REST API, Microservices, and Web Services. Must have strong knowledge of message queues (Kafka, PubSub), cloud solutions (GCP preferred), SQL, Git, and application monitoring tools (ELK). Experience with BPMN 2.0 workflows and integrating BPM systems is also required. Fluent English is essential.
Senior Java Backend Developer
- CGI
- Warsaw
- January 16
Position Description: We are seeking an experienced Developer to join our consulting team for a high-impact
Senior Backend Spark Developer
- Talan
- Warszawa
- January 5
Job DescriptionAs a Backend Spark Developer, your mission will be to develop, test and deploy the technical
Senior Java Backend Developer
- Belitsoft Software Development Company
- Warszawa
- January 5
We are looking for a Java Developer with diverse expertise to build state of the art software solutions.Knowledge
Scala & Spark Backend Developer
- Talan Group
- Warszawa
- January 5
Develop, test, and deploy technical specifications using Spark & Scala. Experience with big data technologies (Hadoop, Hive) and data integration is required. Must have experience with Agile methodologies and tools like Git, GitHub, Jenkins, and Jira.
Backend Engineer (Golang) ID48361
- AgileEngine
- Warszawa
- February 8
About the roleAs a Backend Developer (Go), you will play a key role in modernizing a large-scale platform ... This role focuses on building resilient backend foundations, influencing architectural decisions, and ... maintainable, and testable code.MUST HAVESBachelor’s degree in Computer Science or related field;5+ years of backend ... doDesign and develop scalable microservices using Golang for transactional systems and/or Kotlin for Backend-for-Frontends
Python GenAI Developer
- Madiff Sp. z o.o.
- Warsaw
- January 19
Java Developer
- Viber
- Warszawa
- January 16
Developer, with at least 3 years in Java.Advanced knowledge of Java, from frameworks to libraries. ... Developer at Viber, you will be involved in developing and maintaining high-traffic with over 1 billion ... technologies, including microservices architecture, and influence the lives of millions of people.As a Backend ... Architects teams on large mission-critical systems.RequirementsAt least 7 years of experience as a Backend
Senior Backend Engineer
- NEARMAP POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- Warsaw
- January 16
















































