793 backend developer English-speaking jobs in Masovian Voivodeship
Senior Staff Engineer, AI Developer, Platform
- Google Inc.
- Warszawa
- April 6
The AI Developer Platform serves as backend for multiple surfaces, Platform partners: antigravity, Gemini ... Platform, ensuring alignment with the mission to enhance developer productivity. ... Our mission is make developer tools dramatically easier to navigate, consume and extend, providing the ... Responsibilities
Own the overall design, architecture, and implementation strategies for AI Developer ... to new APIs, anti-abuse protection, compliance horizontals), influencing the product roadmap for AI Developer
Senior Backend Platform Engineer
- Jabra
- Warsaw
- March 21
In the role of Senior Backend Platform Engineer in the Jabra Hearing Engineering team , you will contribute ... The team develops and scales the backend services that run the Jabra Enhance digital platform. ... You will design, build, and evolve scalable backend systems powering digital hearing care solutions used ... You will be responsible for backend services from end to end—designing solutions, implementing new features ... Your contribution is appreciated, and you will: Design, develop, and maintain scalable backend services
Senior Software Engineer (AI/ML)
- AIDA projektai, MB
- Warszawa
- March 17
Expert‑level Python developer (5+ years) with strong knowledge of TensorFlow, PyTorch, Scikit‑learn, ... Experience with scalable ML infrastructure and backend engineering (API design, cloud integrations, ML
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
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 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
Junior Frontend Developer
- Brightstar Lottery
- Warszawa
- March 13
Role Overview
As a Junior Frontend Developer, you will support the design, development, and maintenance ... English communication (B2/C1 level)
Nice to Have
Understanding of OAuth 2.0 / OIDC
Experience with Java backend ... Bachelor’s degree in Computer Science or related field, or equivalent experience
2+ years of professional backend
Senior Full-Stack Developer (.NET / React)
- Smart Topaz sp. z o.o.
- Warsaw
- March 26
Full Stack Engineer
- Smart Topaz
- Warszawa
- April 1
customer journeys and high-traffic content-driven platforms.We are looking for a Senior Full-Stack Developer ... , and enhancing enterprise web platforms and digital experience solutionsWorking across modern .NET backend
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
Fullstack Engineer
- EQT Group
- Warszawa
- April 7
Experience with Go, or any other common backend languages. ... Maintain and optimize backend infrastructure in Google Cloud Platform. ... Nice to have
Experience with NestJS or any other prominent backend frameworks. ... backend systems, APIs, and integrations that power EQT’s financial and operational platforms. ... As a FullStack Engineer with a backend focus in the Fintech team, you will design and build scalable
Senior Flutter Developer
- Monterail
- Warszawa
- March 16
We are looking for a Senior Flutter Developer to join our team and help us create elegant and efficient ... tested mobile applications
Work in a highly collaborative team with fellow designers, project managers, backend
Senior Full Stack Developer (React / Node.js / Graph)
- Green Minds Sp. z o.o.
- Warsaw
- March 27
As a Senior Fullstack Developer, you will focus on building high-performance React interfaces and Node.js ... Scalable Backend Services: Build and maintain robust, typed server-side logic and microservices using ... Solid Node.js Experience: Ability to design and maintain scalable backend services, APIs, and handle
Senior Java Backend Engineer (Trading Systems)
- VISTULO sp. z o.o.
- Warsaw
- March 23
Senior Backend Engineer
- Uncapped Ltd.
- Warsaw
- March 14
Senior Software Engineer
- IMMOQEE Sp. z o.o.
- Warszawa
- March 14
We are currently in search of a proficient expert to join us as a Full-Stack C# Developer. ... the development and maintenance of applications running various platforms, with a notable focus on backend ... languages and libraries such as HTML/CSS, as well as JavaScript, and frameworks like Node.js Strong backend
T Hub - Java Developer
- T-Mobile
- Masovian Voivodeship
- March 27
API Engineer (Python)
- IDC
- Warszawa
- April 4
team where priorities evolve
Preferred Qualifications
Experience with agent-to-service protocols or developer ... contribute to quality practices across the pod
What You Bring
3+ years of experience building APIs or backend ... platform APIs
Background in wrapping or aggregating multiple backend services
Experience with data formatting
Senior Python Developer (UC)
- CKSource Holding LTD.
- Warszawa
- March 14
Uploadcare is part of Tiugo Technologies, a suite of market-leading API-first developer platforms focused ... about Uploadcare, visit uploadcare.com
Your Role
As an important member of our globally distributed backend ... To be successful in this role you need the following:
5+ years of experience in Python backend development
Senior Backend Engineer
- Codility
- Warsaw
- April 4
What we’re looking for 5+ years of professional software engineering experience Strong backend in Python
















