1373 backend developer English-speaking jobs in Warsaw
Senior Frontend Developer JavaScript React & Native iOS Mobile
- Webellian Sp.z o o
- Warszawa
- May 6
About the position As a Senior Frontend Developer within Advanced Analytics, you will lead the design ... Strong communication skills: able to collaborate effectively with designers, product managers, and backend
Architect Senior Full-stack Developer Python React Nextjs
- DataArt
- Warszawa
- May 6
Responsibilities Design, build, and maintain high-quality backend systems using Python with frameworks ... The development focuses on core business applications using a modern AWS toolset with Python on the backend ... Collaborate closely with business domain leads, users, designers, Frontend and Backend engineers to ensure ... scalable, maintainable frontend architectures using React.js and Next.js, while also contributing to backend ... experience in Modern Web Application development in particular React, Next.js Experience in Python-based backend
React Native Developer
- B2Bnetwork
- Warszawa
- May 6
We are looking for an experienced React Native Developer to support the integration of React Native solutions
DevOps Engineer @ Link Group
- Link Group
- Warsaw
- April 27
In this role, you will focus on software deployment and migration for Android/iOS apps and backend services ... services., Automate deployment, monitoring, and scaling of mobile and backend components across cloud ... In this role, you will focus on software deployment and migration for Android/iOS apps and backend services ... Cloud environment.
,[Build, maintain, and optimize CI/CD pipelines for Android/iOS applications and backend
Fullstack Gen AI Developer
- Capgemini Polska
- Warszawa
- May 6
Develop and maintain both frontend interfaces (React, Next.js, etc.) and backend systems (Python, Node.js ... Integrate foundation models and APIs (OpenAI, Anthropic, Hugging Face, Stability, etc.) into robust backend ... AI-powered web applications. 2 years of experience in software development, covering both frontend and backend
Middle Senior Backend Engineer Kafka Java ELK
- N-iX
- Warszawa
- May 6
4928 We are looking for an experienced Backend Engineer to join a well-established development team working
Senior Full Stack Engineer | $95K-$115K USD + Remote + Equity | Award Winning AI Marketing SaaS[...]
- PhillyTech.Co
- Warszawa
- May 3
About 70% of your focus will be backend and 30% frontend. ... Strong experience with distributed systems and scalable backend architecture. ... You will work hands-on across backend, frontend, and infrastructure, contributing directly to a platform
Senior Database Engineer @ Link Group
- Link Group
- Warsaw
- April 16
Nice to Have
Experience with internal platform or developer tooling. ... looking for an engineer who can automate database operations, build internal tools, and improve the developer ... looking for an engineer who can automate database operations, build internal tools, and improve the developer
Engineering Team Leader (C++) @ XTB
- XTB
- Warsaw
- May 16
Senior Ruby on Rails Developer @ SquareOne
- SquareOne
- Warsaw
- April 29
Senior Ruby on Rails Developer to build a taxi ordering service. Experience with relational databases (MySQL, PostgreSQL), RabbitMQ, REST APIs, and Git required.
Fullstack Developer @ Mindbox Sp. z o.o.
- Mindbox Sp. z o.o.
- Warsaw
- April 27
Fullstack Engineer to design, code, test, and deploy applications. Collaborate with teams to define, design, and ship new features. Maintain and improve existing software performance.
Senior Full-Stack Engineer (Node.js, Angular) Warsaw
- Vention
- Warszawa
- May 22
With around 500 engineers skilled in Node.js, we build scalable and efficient backend solutions across ... development as a Full-Stack Engineer
Strong hands‑on experience with Node.js and TypeScript on the backend
Senior Fullstack Engineer (.Net, Python, AWS)
- SQUARE ONE RESOURCES sp. z o.o.
- Warsaw
- May 20
Senior Fullstack Frontend heavy - React Engineer
- Appliscale
- Warszawa
- May 18
services and mobile apps Deploying and maintaining frontend / backend applications Maintaining system ... frontend system written in React & TypeScript Design frontend software architecture with connection to backend ... collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Exposure to backend
Software Engineer
- TrueEngage
- Warszawa
- May 23
You’ll work across backend services, infrastructure, and internal tooling to ensure our systems remain ... Responsibilities Develop and maintain the core REST/JSON:API backend in Ruby on Rails 7 (PostgreSQL, ... The backend architecture includes: A Ruby on Rails API responsible for core business logic, authentication ... Terraform / Azure infrastructure Cloudflare Workers React (the frontend teams will occasionally need backend ... patterns) Azure Storage (Tables, Queues) or equivalent cloud storage SDKs Comfort with async code General Backend
Senior Software Development Engineer in Test @ MOTIFE
- MOTIFE
- Warsaw
- May 7
Mid Full-Stack Engineer (.NET + Azure + Next.js) | Legal Tech Platform @ Polcode
- Polcode
- Warsaw
- May 16
This role is primarily backend-focused around the modern .NET and Azure ecosystem, but also requires ... This role is primarily backend-focused around the modern .NET and Azure ecosystem, but also requires ... + level preferred or higher) Ideally, hands-on experience with .NET 10 Experience building APIs and backend ... and EF Core Good React and TypeScript knowledge Practical experience with Next.js Understanding of backend ... hear your perspective and tell you more - Ela is always open for a quick chat. ,[Build and maintain backend
Senior Software Engineer, Fullstack/Backend Technologies (Poland Remote)
- Turnitin, LLC
- warszawa
- April 24
Senior Software Engineer, Fullstack/Backend Technologies (Poland Remote)Full-timeWhen you join Turnitin ... Come join us, and let's make change together.Turnitin is seeking a Senior Fullstack/Backend Engineer ... with a strong focus on backend development, particularly in Java and serverless architectures, combined ... power both existing and new applications.Responsibilities:Design, develop, and optimize scalable shared backend ... guidelines and examples.Essential Qualifications, Skills, and Knowledge/Experience8+ years of expertise in backend
Solution Architect
- Avenga
- Warszawa
- May 18
architectures aligned with business and enterprise standards Lead the technical design and integration of backend ... Software Engineer in enterprise software development environments Strong hands-on experience with Python backend
Senior Software Engineer Backend Merchant Data Platform EU
- Affirm
- Warsaw
- May 6
The Merchant Data Platform is a backend, foundational service at Affirm. ... You have experience designing, developing and launching backend systems at scale and are proficient in















































