1554 backend developer English-speaking jobs in Masovian Voivodeship
Senior Fullstack Engineer NET React Angular Vue
- Spyrosoft
- Warsaw
- March 14
We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ... Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend
Senior ML Engineer
- Relativity
- Warszawa
- March 19
tools (e.g., GitHub Copilot, Cursor, OpenAI API tooling) to accelerate software delivery and improve developer ... across our Search and AI engineering teams, shaping the architecture of systems that bridge traditional backend ... Collaborate with cross‑functional teams including product, backend, and data engineering to design interfaces
Senior Net Fullstack Engineer with Angular
- N-iX
- Warsaw
- March 20
Strong experience in API design and backend integrations Hands-on experience integrating with third-party ... The Role: This is a great opportunity for an experienced Senior Full Stack Developer to join our Software ... architecture, quality, product and project management roles.We are looking for a Senior Full Stack Developer
Senior Software Engineer (Full Stack / Python / React)
- StratsLab
- , Województwo Mazowieckie, Poland
- April 1
will debug and optimize the full request-response lifecycle to minimize latency, working closely with backend ... Developer-Driven: You will be surrounded by top-notch Developers who genuinely love to code. ... If you are a high-calibre developer from a different path, your skills are the only credential that matters
AI Agent Developer aka The Architect Data Scientist
- Yosh.AI
- Warsaw
- March 31
Code is your Native Language: You are comfortable writing the backend logic (Python or Node.js) to power ... Agent Developer to join our team and build the most advanced AI Agents using Google technology. ... AI Agent Developer (aka The Architect/ Data Scientist) We're looking for a curious and tech-savvy ... You are a Hybrid Developer: You understand the precision of standard NLU (intents/entities) but you also
Shopify Developer
- Optiveum
- Warsaw
- April 1
In this role, you will be responsible for storefront design (headless or theme-based), backend services ... Shopify Developer IT · Warsaw (City Center) · Hybrid About the Client Our Client is a fast-growing, international ... Role Overview We are seeking an experienced Shopify Developer to design and document the complete end-to-end
Senior React Native Developer
- The Codest
- Warsaw
- March 27
mantain mobile applications using React Native and Expo Integrate mobile frontends with existing APIs and backend ... Project Description: We're seeking a seasoned Senior React Native Developer with strong experience ... Recruitment process: 30 minute screening call online with our recruiter 1h technical call with our developer
Fullstack NET Developer Synbiotix Team
- SINGU
- Warsaw
- April 9
What You Will Do: Build and Enhance Products As a Fullstack .NET Developer, you will play a key role ... /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
IBM BPM Engineer
- Devapo
- Warsaw
- March 20
Requirements Minimum 2 years of commercial experience as IBM BPM / IBM BAW Engineer or BPM Developer ... Proficiency in JavaScript (for BPM UI / workflow customization) and/or Java (backend or process integration
Lead Fullstack ReactNextjs
- N-iX
- Warsaw
- March 20
Integrate frontend systems with RESTful and/or gRPC backend services. ... This is an opportunity to shape platform standards, performance practices, and developer tooling in a
Senior Fullstack ReactNextjs
- N-iX
- Warsaw
- March 20
Integrate frontend systems with RESTful and/or gRPC backend services. ... This is an opportunity to shape platform standards, performance practices, and developer tooling in a
Senior Manual QA
- Remodevs
- Warsaw
- March 20
Experience using developer tools and reading logs. ... this role you will: Test new features on different platforms, including both frontend (UI, UX) and backend
Senior NET Developer
- Softeq
- Warsaw
- March 14
We're looking for a Senior .NET Developer to join our team and contribute to its continued growth ... Our expectations: 5 years of professional experience with .NET and C# in backend development roles; Proven
Go Developer
- Andersen
- Warsaw
- March 22
Andersen is hiring a Go Developer for a project migrating transcoding workflows to the cloud, ensuring ... Responsibilities: Developing backend using Go and PHP, including integration with MongoDB, SQL databases
React Frontend Developer
- OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- Warsaw
- April 9
Backend Engineer | Mid | PHP | Security Tools Squad
- Nord Security
- Warszawa
- April 7
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Knowledge of cryptography or security engineering fundamentals
Contributions to internal tooling, developer ... Main Responsibilities
Build, extend, and own security-facing backend services (breach detection, email ... secure, scalable, and maintainable
Collaborate cross-functionally with Frontend, Android, iOS, and Backend
Backend Engineer | Mid-Senior | PHP | UCP
- Nord Security
- Warszawa
- April 4
Build and improve a sophisticated User Control Panel using PHP, microservices, and MySQL. Mentor colleagues on web development best practices and contribute to the team's vision.
Backend Engineer | Senior | Go | Notification Center Team
- Nord Security
- Warszawa
- April 3
As a Backend Developer on our Notification Center Team, you will play a pivotal role in crafting and ... lead to shared success within the team and the company.Core RequirementsGreat experience working with backend
Backend Engineer | Mid - Senior | Go | Nord Checkout
- Nord Security
- Warszawa
- March 31
Design, develop, and maintain highly scalable microservices using Go. Collaborate with teams to ship new features and fixes. Strong Go background and experience with REST API microservices, relational and NoSQL databases, and message brokers required.
Backend Engineer | Senior | Go | Saily
- Nord Security
- Warszawa
- March 29
Core Requirements
Over 4 years of experience in backend development.
















