3435 backend developer English-speaking jobs in Masovian Voivodeship
Senior Python Engineer
- Square One Resources Sp. z o.o.
- Warszawa
- December 11
work closely with product teams, data engineers, and DevOps to deliver scalable, secure, and reliable backend ... running in the cloud.Senior Python EngineerYour responsibilitiesDesign, develop, and maintain scalable backend ... in production environments Implement secure authentication and authorization (OAuth2, JWT) Integrate backend ... Support modern CI/CD pipelines and automated testing Our requirements5+ years of experience in backend
Backend Engineer - Payments Platform
- LeoVegas Group
- Warsaw
- December 12
Senior Backend Engineer @ Uncapped
- Uncapped
- Warsaw
- November 19
Backend Engineer Regulatory Reporting
- LeoVegas Group
- Warsaw
- November 16
Senior iOS Developer (freelance)
- INTENT sp. z o.o.
- Warszawa, mazowieckie
- December 10
Senior iOS Developer (freelance) Miejsce pracy: Warszawa Technologies we use Expected Jira Confluence ... Operating system macOS About the project We’re currently seeking a passionate freelance Senior iOS Developer
Databricks Developer
- PRETIUS SOFTWARE SP. Z O.O.
- Warszawa, mazowieckie
- December 9
Databricks Developer Miejsce pracy: Warszawa Technologies we use Expected Big Data Databricks Spark Python ... SQL Optional AI/ML About the project At Pretius, we are looking for Databricks Developer to a project
Expert ColdFusion/Lucee Developer (Legacy Systems Modernization)
- Webellian Sp. z o.o.
- Warszawa, mazowieckie
- November 18
Expert ColdFusion/Lucee Developer (Legacy Systems Modernization) Miejsce pracy: Warszawa Technologies ... The developer will collaborate with cross-functional teams to enhance reliability, maintainability, and ... use Expected ColdFusion Lucee Operating system Windows About the project The Expert ColdFusion/Lucee Developer
Salesforce Developer
- speedapp
- Warszawa
- December 12
For our client we are looking for a Salesforce Developer! ... Join to apply for the Salesforce Developer role at speedapp
1 day ago Be among the first 25 applicants ... Join to apply for the Salesforce Developer role at speedapp
Get AI-powered advice on this job and more ... Nice to have
Salesforce certifications (Platform Developer I/II, AgentForce Specialist, or similar).
DevOps Engineer @ Link Group
- Link Group
- Warsaw
- December 1
Senior Software Engineer (L4/5) - Client And Partner Technologies
- Netflix
- Warszawa
- December 8
Stakeholder Acceleration) team, where we focus specifically on Payment Enablement and foundational backend ... If you're passionate about backend engineering at scale, excited to drive meaningful architectural ... Mentor and support team growth – Share your backend and JVM expertise through thoughtful code reviews ... What We're Looking For
Expertise in server‑side Java (JVM) – Most of our new backend services are ... Experience with frontend technologies, particularly React – While this is primarily a backend role, familiarity
React Developer
- Square One Resources Sp. z o.o.
- Warszawa
- December 15
Temporary member required to design, develop, and maintain a Front-End application for a REST-API Backend ... DeveloperTwój zakres obowiązkówDesigning, developing, and maintaining a Front-End application for a REST-API Backend
Senior Software Engineer (Warsaw)
- Swarmer
- Warszawa
- December 10
Development Skills: Proven experience building robust backend systems using Python. ... our platforms.ROLE OVERVIEW:As a Senior Software Engineer, you will be at the core of developing the backend ... mission control, data handling, and system coordination.ResponsibilitiesDesigning and implementing backend ... solutions using Python.What You’ll DoBackend System Development: Design, implement, and maintain core backend ... Strong analytical and debugging skills, with the ability to quickly identify, isolate, and resolve backend
Senior Back-end developer
- Knowit
- Warszawa
- December 17
Developer in the STREAM team, you will help build and enhance mission-critical systems responsible for ... supporting consumers, retailers, service operations, and national deposit systems.Project DescriptionAs a Backend
Network Programmer
- Activision Blizzard
- Warszawa
- December 15
As a leading worldwide developer, publisher and distributor of interactive entertainment and products ... networked gameplay systemsOptimize and debug game network trafficDevelop networking code to interact with backend
Senior Software Engineer, Helioscope
- Aurora Solar
- Warszawa
- December 9
From backend APIs to frontend UIs and DevOps, you’ll help shape the future of commercial solar design ... CUDAPassion for dev tooling and workflow automation such as CI/CD, containerization, observability, and developer
Python Developer
- DSV - Global Transport and Logistics
- Warszawa
- December 9
If you are a web developer specialized in Python, join PA&BI (Process Automation & Business Intelligence ... Requirements
Minimum 2 years working experience with Python development (FastAPI, Flask)
Good knowledge of backend
NetSuite Developer
- Capital
- Warszawa
- December 4
We are looking for a skilled NetSuite Developer to join the Internal Development Team. ... programming languages or platforms (e.g., JavaScript, Python) to support integration, automation, or backend
Frontend Developer
- 10Clouds
- Warszawa
- November 28
Position OverviewWe are seeking an experienced Frontend Developer with deep expertise in Web3 and DeFi ... clean, maintainable, and well-tested code with a focus on performance optimizationCollaborate with backend
Senior Full Stack Engineer - Cloud Run - Google Cloud
- mazowieckie
- November 26
We provide the cockpit for our users delivering an enhanced, developer experience that abstracts away ... managers to define product direction and implement an excellent user experience.Collaborate with API and backend
Senior AQA Performance
- Spribe
- Warszawa
- November 21
SPRIBE isaninnovative B2B iGaming software developer reshaping the industry with cutting-edge technology ... RestAssured, JUnit/TestNG or custom frameworks)
Proven experience in functional and integration testing of backend
















