793 backend developer English-speaking jobs in Masovian Voivodeship
Senior Software Developer
- Integral Solutions
- Warsaw
- March 27
Backend Developer with Frontend skills as a plus Workplace: An office in Warsaw, possibility to work ... Conduct performance profiling and tuning on backend systems to achieve optimal efficiency. ... Develop complex, scalable backend services from the ground up using cutting-edge technologies such as ... A problem-solving attitude, eager to tackle performance and efficiency challenges in backend systems ... 100% remotely Your responsibilities: Design and implement highly scalable and performant backend systems
Senior Software Developer
- Integral Solutions - Data & AI
- Warszawa
- March 23
Backend Developer With Frontend Skills As a Plus
Workplace: An office in Warsaw, possibility to work ... Conduct performance profiling and tuning on backend systems to achieve optimal efficiency. ... Develop complex, scalable backend services from the ground up using cutting-edge technologies such as ... A problem‑solving attitude, eager to tackle performance and efficiency challenges in backend systems. ... 100% remotely
Your Responsibilities
Design and implement highly scalable and performant backend systems
Senior/Lead Full-stack Developer (React-first, Python) | AI-Powered Product
- Polcode
- Warszawa
- March 25
And they’re good at it.We’re currently looking for a Senior / Lead Full-stack Developer whose role will ... maintainability of a growing productWhat We’re Looking ForStrong commercial experience as a Senior Full-stack Developer ... be approximately 60% focused on React frontend development, with the remaining scope covering backend ... with a React-first mindset, solid backend expertise, and exposure to technical leadership rolesHands-on ... and guide technical decisionsDesign and develop React + TypeScript frontend tightly integrated with backend
Senior Java Developer
- Team Connect Sp. z o.o
- Warszawa
- March 23
We develop backend, frontend, and mobile applications. ... Senior Java Developer
Location: Warszawa/Kraków/Remote is also possible
Your tasks:
Developing and ... relational databases (Oracle, MySQL, PostgreSQL)
Requirements:
Minimum 4 years of experience as Senior Developer
Senior Software Engineer (Go) - Remote
- Centrum-AI
- Warszawa
- March 13
at scale
Experience with multi-cloud deployments and cost optimization
Track record of improving developer ... We need a Senior Backend Engineer with a strong focus on Go who can architect scalable systems, ship ... What You'll Do
Design and implement high-performance backend services in Go
Build and maintain ... You'll have direct impact this isn't a cog-in-the-machine role
Own the entire backend architecture ... Join early, grow with the company, and help define engineering excellence
To Apply
Tell us about a backend
Engineering Manager - Client's App
- Pragmatike
- Warszawa
- April 5
migration projects (REST GraphQL, etc.)Multi-platform experience (iOS, Android, desktop, web)Background in developer ... This team is responsible for how all client-facing applications interact with backend services and APIs ... , forming the critical integration layer between user-facing products and core backend systems.This role ... and platform architecture discussionsDrive proactive collaboration with backend teams (not passive API ... integration standards, and act as the primary advocate for client application needs in platform and backend
Python Engineer (Contract)
- Fliff Inc
- Warszawa
- March 28
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
Senior Developer (JAVA, PHP)
- Sportradar
- , Województwo Mazowieckie, Poland
- March 14
ABOUT YOU: You are a pragmatic and independent developer with a strong focus on backend development. ... THE CHALLENGE: As a Senior Java Developer in our ScoutAdmin Team, you’ll play a key role in designing ... Key Responsibilities:
Design, build, and maintain scalable, high-performance backend services that
Senior Software Engineer, Chassis
- Waymo
- Warszawa
- March 17
productivity, or developer tools
#J-18808-Ljbffr ... vehicles
You have:
BS degree in Computer Science or equivalent practical experience
5+ years of backend ... Experience working in environments including nontechnical team members
Experience with operations tooling, developer
Python Fullstack Developer
- Ework Group
- Warszawa
- March 13
Being Fullstack Developer meaning Python backend and TS/JS frontend
Excellent skills with programming ... client, one of the Global Pharmaceutical Company we realize a recruitment process for Python Fullstack Developer ... Requirements:
Higher education level in IT or similar are prefered
At least 5 years of experience as Software Developer
Senior Backend Engineer - Fiscalization
- SumUp
- Warszawa
- March 22
You’re a developer who values user‑centric design, precision, and seamless collaboration. ... Senior Backend Engineer – SumUp
Join to apply for the Senior Backend Engineer role at SumUp. ... What You’ll Thrive In
5+ years experience in backend engineering with Java and/or Kotlin. ... About The Role
You will be working on secure backend systems to ensure our SumUp’s Point of Sale (POS ... As a Senior Backend Engineer, you’ll collaborate with a dynamic, cross‑functional team of Product Managers
Salesforce Developer
- Jobhouse Sp. z o.o.
- Warsaw
- March 22
operating in the liquid gas and fuel sector we are looking for candidates for the position of: Salesforce Developer ... maintaining automated tests using Salesforce testing frameworks Close collaboration with architects, backend
Freelance Python Developer (Poland, Eastern Europe, Remote, F/T, P/T)
- VT Enterprise
- Warszawa
- March 14
Freelance Python Developer (Poland, Eastern Europe, Remote, F/T, P/T)ContractWe are an independent software ... Developers use it to save time on web/mobile application backend. ... in officeProject managed by a career software engineer, not some clueless product managerCoding for backend
Senior Node.js Engineer
- CLOUDFIDE
- Warszawa
- February 25
Join to apply for the Senior Node.js Engineer role at CLOUDFIDEYou are a seasoned backend developer with ... + years of experience in Node.js, JavaScript/TypeScriptStrong command of Express.js, REST APIs, and backend ... code reviews, and tech discussionsKey responsibilitiesCollaborate with the team on designing scalable backend ... automation, and shaping how users interact with critical data.Your impact zoneDesign, develop, and maintain backend
.NET Developer (m/f/d)
- Damovo
- Warszawa
- March 18
As part of our continued growth in Poland, we are looking for a .NET Developer (m/f/d) to join our team ... Responsibilities
Design and development of backend applications in .NET (C#) supporting Contact Center ... and call routing logic using technologies such as SIP, SIP Trunk and WebRTC
Development of APIs and backend
Senior Automation QA Engineer / SDET (Python)
- Binance
- Warszawa
- March 16
Developer background would be nice to have. ... Requirements
5+ years of backend QA engineering experience. ... Experience testing backend services such as APIs, Databases, distributed services (non-monolithic). ... QA Engineer (mid to senior level) to drive and support Integration Testing of our high-performance backend
Senior Full-Stack Engineer — SaaS, Cloud, Performance
- Luxoft
- Warszawa
- March 27
SKILLS Must have - 5+ years overall working as a Software Developer on a similar technology stack- 3+ ... Nice to have - Strong familiarity with build pipelines, CI/CD, and frontend/backend tooling. ... years of experience with FrontEnd (TypeScript/React)- 3+ years of experience with BackEnd (Java and
Java Backend Developer (Microservices) (f/m)
- BSH SPRZĘT GOSPODARSTWA DOMOWEGO sp. z o.o.
- Masovian Voivodeship
- March 20
Python Developer – Banking Domain with ML/AI Expertise - Tieto Tech Consulting (m/f/d)
- Tietoevry
- Warszawa
- March 28
Key Responsibilities
Design, build, and maintain backend services and tools using Python. ... Job Description
Python Developer – Banking Domain with ML/AI Expertise
Location: Poland (Tricity / Warsaw ... Seniority: Mid / SeniorEmployment Type: Full-time
About the Role
We are looking for an experienced Python Developer
Senior Fullstack Developer
- B3 CONSULTING POLAND sp. z o.o.
- Warsaw
- April 9
















