1558 backend developer English-speaking jobs in Masovian Voivodeship
Senior Python Engineer
- Godel Technologies Europe
- Warsaw
- March 31
peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first ... Tech Stack Backend: Python 3.1x, Django 4.x, Django ORM Frontend: React (rarely requests to craft FE) ... releases via feature flags Responsibilities Design, develop, and maintain scalable finance-focused backend
Lead Python Engineer
- Godel Technologies Europe
- Warsaw
- March 20
peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first ... Tech Stack Backend: Python 3.1x , Flask Databases : PostgreSQL (Aurora RDS AWS), DynamoDB Infrastructure ... releases via feature flags Responsibilities Design, develop, and maintain scalable finance-focused backend
Backend Tech Lead
- Remodevs
- Warsaw
- April 3
Improve developer workflows and team productivity with tools and automation. ... This is a hands-on leadership role for a skilled senior backend engineer ready to lead. ... Role Overview We are looking for a Backend Tech Lead to guide one of our engineering teams. ... Mentor backend engineers and support their growth through guidance, code reviews, and career development
Senior API Engineer (Python)
- IDC
- Warszawa
- April 4
Preferred Qualifications
Experience with MCP or similar agent-to-service protocols
Background in developer ... controls, audit logging, and observability
What You Bring
6+ years of experience building APIs and backend ... Experience with authentication systems (OAuth 2.0, OIDC)
Track record of wrapping and aggregating multiple backend
Fullstack Developer – PHP React SINGU Platform & TAM Team
- SINGU
- Warsaw
- March 15
scalability , especially for database-heavy operations, Ability to work effectively as a fullstack developer ... Build and extend React-based frontend components aligned with backend APIs. ... Develop and maintain secure, efficient backend services using PHP and Phalcon. ... What You'll Bring to the Team Must-have: Strong commercial experience in PHP backend development, ... (backend frontend), Communicative English (spoken and written) – sufficient for: - internal company
Senior Backend Engineer
- Inuits
- Warsaw
- April 3
This role is suited for an experienced backend engineer who is comfortable building scalable, reliable ... We are looking for a Senior Backend Engineer to join a fast-growing product organization working on consumer-facing ... Responsibilities: Design, develop, and maintain scalable backend microservices across consumer or data ... About the Project: You will contribute to backend systems that power core customer experiences and internal
Senior Software Engineer React She He They
- Capco Poland
- Warsaw
- April 3
You'll be hands-on with frontend and backend development across our React/TypeScript and NestJS/Node.js ... Leverage new and cutting-edge developer tools to enhance productivity and code quality. ... Role Overview As a Senior Software Engineer, you will serve as a senior full-stack developer for our
Senior React Developer
- Luxoft Poland
- Warszawa
- March 11
thoughts and ideas about new features to the clientYou would take part of development of banking mobile, backend ... We are looking for skilled Senior React developer to develop application that ... most provably you are ... the stores- Agile team (18 people) include dedicated testers that are testing every feature- Every developer
Senior Fullstack Developer
- Transition Technologies MS
- Warsaw
- March 27
Full Stack Developer will involve developing and enhancing a platform designed for conducting language ... must, but other technologies like RabbitMQ and Kafka will also be considered Strong Junit knowledge Backend
Senior ServiceNow UI Builder Developer
- Spyrosoft
- Warsaw
- March 20
Collaborate with functional consultants, UX/UI designers, and backend developers. ... As a UI Builder Developer, you will focus on creating modern and user-friendly experiences within ServiceNow
Senior Python Developer FastAPI
- TQLO SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- Warsaw
- March 20
We are currently looking for a Senior Python Developer with very strong FastAPI expertise to join a startup ... Responsibilities: Designing and implementing APIs using FastAPI Backend development in Python with modern
Software Engineer (.NET and Angular)
- Fujitsu
- Warszawa
- March 8
Confirmed experience in backend development using .NET.
#J-18808-Ljbffr ... We are seeking an experienced Fullstack Developer for one of the European Institutions, based in Warsaw
Senior Java Backend Engineer Core Java Trading Systems
- VISTULO
- Warsaw
- March 25
This is a fully remote backend Java development role for a developer in Poland . ... The Role at a Glance Senior Java Backend Engineer Fully remote for a top N. ... Are you a passionate Java developer who thrives on solving complex problems in low-latency, high-throughput ... core team - this is not a legacy support role or an outsourced B team We're hiring experienced backend
Middle Frontend Developer
- Ingenious.Build
- Warsaw
- April 1
performance techniques and frontend debugging tools Skilled with RESTful APIs, efficiently integrating backend ... About the role : INGENIOUS.BUILD is looking for a talented Frontend Developer to join our remote team ... As a Frontend Developer, you will work closely within a small team in SCRUM (but in conjunction with ... move the needle for the business Someone proactive who brings fresh ideas and energy to the team A developer
Senior Full-Stack Engineer (AI App Builder)
- Evotym
- Warszawa
- March 19
Continuously improve system performance, UX, and developer workflows. ... Define technical architecture for both frontend and backend systems, ensuring scalability and stability
Senior Full-Stack Developer (.NET / React)
- Smart Topaz sp. z o.o.
- Warsaw
- March 26
Frontend Developer
- ALTIMI
- Warsaw
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You'll work closely with product, design, and backend teams to translate intricate workflows into ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
FullStack Net Developer React
- Optiveum
- Warsaw
- March 20
We are currently looking for a Senior FullStack .NET Developer for our client—a fast-growing US-based ... Requirements Backend Expertise: 5 years of experience in .NET (.NET 6/8) and C#. ... You will bridge the gap between robust, high-scale backend services and modern, highly interactive user
Python Developer pharma; 100% remote
- 7N
- Warsaw
- March 20
About the Project We are looking for Python Developer (with the knowledge of Spark) who will lead a critical ... MongoDB and SQL (PostgreSQL) High proficiency in Spark and Python is required to navigate the existing backend ... Expectations At least 3 years of experience as a Software Engineer, with a minimum of 2 years focused on Backend
Full-stack Developer.NET + React
- Viercode
- Warsaw
- February 25
Requirements Senior-level experience (minimum 5 years) as a Fullstack Developer Strong knowledge of . ... start ASAP (max 2-3 weeks) Good communication skills and proactive mindset The role is focused more on backend ... .NET, C# 60% backend / 40% Frontend Benefits Interesting and ambitious projects - no routine or repeatability
















