3157 backend developer English-speaking jobs in Warsaw
Senior GenAI Engineer
- N-iX
- Warszawa
- January 16
We are looking for an experienced GenAI Engineer to build and scale backend services for AI-powered chat ... The role combines strong backend engineering fundamentals with deep expertise in LLM integration, prompt ... Responsibilities
Design, build, and maintain backend services primarily in Python (with Go or Rust as ... architectures, including chunking and reranking
Experience with vector databases
Strong understanding of backend ... reliability, and clean engineering practices in production systems
Requirements
5+ years of experience as a backend
Embedded Linux Senior Software Engineer - Optimisation
- Canonical
- Warszawa
- January 5
(Java+Angular) Senior Full Stack Developer (Java+Angular) Senior Backend Developer (Node.js/TypeScript ... Senior Software Engineer (with TCP/IP networking experience) Senior Full Stack Developer (Remote, Contract ... Software Engineer - Age of Empires (Remote) Warsaw, Mazowieckie, Poland 11 months ago Senior Full Stack Developer
Full Stack Software Engineer 5, Game Lifecycle Engineering - Core Experiences
- Netflix
- Warszawa
- January 27
Make impact across all layers of the software stack: backend services, insights systems, UI component ... translate UX/UI designs into delightful developer experiences is a plus. ... Revamp and update existing tools and services for integration into developer workflows. ... Passion for Developer Experience is nice to have: history of collaborating closely with designers to
Full-Stack Developer- Node.js
- Elementor
- Warszawa
- January 24
experience with Nest.JS
Experience with Databases - MySQL is a Must
Experience with building scalable backend ... Description
We’re looking for a talented Full-Stack Node.js/TypeScript Developer to join our team and ... with other team members and stakeholders
Requirements
4+ years of proven experience as a full-stack developer
Full Stack PHP (Laravel) Developer
- wherewework
- Warszawa
- January 16
Full Stack PHP (Laravel) Developer
We are looking for a motivated Full Stack PHP / Laravel Developer ... across applications
Prepare and maintain all applications utilizing standard development tools
Utilize backend
Golang Developer
- omnic
- Warszawa
- January 16
Golang Developer at OMNICJoin OMNIC as a Golang Developer at a pioneering international product company ... solutions that make a meaningful impact in the industry.MissionBuild, evolve, and operate Go-based backend
Software Engineer - Industrial IoT
- Canonical
- Warszawa
- January 5
11 months agoWarsaw, Mazowieckie, Poland 10 months agoWarsaw, Mazowieckie, Poland 11 months agoJava Backend ... Developer - Power the Engine of Next-Gen PaymentsWe’re unlocking community knowledge in a new way. ... General knowledge and experience with Linux as a developer platform is required.What you'll doCollaborate
Network Programmer (Senior to Principal)
- Elsewhere Entertainment
- Warszawa
- January 16
gameplay systems
Optimize and debug game network traffic
Develop networking code to interact with backend ... As a leading developer, publisher and distributor of interactive entertainment, our focus is on delivering
Golang Developer
- Bonapolia
- Warszawa
- February 5
experience designing and implementing RESTful APIs and integrating microservicesSolid understanding of backend ... scalability, fault tolerance, and reliabilityParticipate in technical design discussions and propose backend ... developmentStrong expertise in Golang and hands-on experience building production-grade backend servicesProven ... skillsHard Skills / Must Have5+ years of professional software development experience with a strong focus on backend ... intermediate working knowledge of TypeScript and ReactResponsibilities and TasksDesign, develop, and maintain backend
Senior Fullstack .NET Developer
- MARGO
- Warszawa
- January 23
Your responsibilities
- Design, develop and maintain backend services using C#, .NET Core and .NET Framework ... excellence.
120 zł - 135 zł an hour
About the project
We are currently looking for a Senior Fullstack .NET Developer
Senior Golang Developer
- instinctools EE Labs
- Warszawa
- January 16
Our team is looking for a Middle+/Senior Golang Developer for one of our clients. ... Tasks:
Develop and maintain backend services using Golang, ensuring clean and efficient code.
Senior/Lead Full-Stack Developer (.Net+Angular)
- Luxoft
- Warszawa
- January 5
Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application
Senior Backend Engineer
- Plexis (Techstars '25)
- Warszawa
- February 1
be working with an experienced and strong founding team.What you'll buildYou'll own the core backend ... with approvals, audit trails, and strict safety rails.ResponsibilitiesDesign and implement the core backend ... consume normalized workflow instance/event streams safely and consistently.Requirements7–10+ years backend
Senior Ruby Developer
- inhire
- Warszawa
- January 16
In this role, you will design and maintain robust backend services and high-volume API integrations in ... where transactional integrity and money flows are critical.Position overviewWe are looking for a Senior Backend ... shapingRequirementsStrong experience with Ruby (beyond Ruby on Rails)Proven track record of delivering backend ... RedisDockerAWS services (EC2, S3, RDS)Infrastructure-as-Code toolsResponsibilitiesDesign and implement robust backend
Scala Engineer (Scala 3, Cats, FS2, Zio) - Remote
- All The Hires
- Warszawa
- January 10
While their main modules run on Python, they rely on a strong Scala Developer to handle high-load streaming ... You will work closely with your Team Lead and peers to integrate backend solutions within a Service Oriented ... final round: A conversation with the HR team member to discuss cultural alignment
Ready to build the backend
Engineering Manager
- Grupa Morizon-Gratka Sp. z o.o.
- Warszawa, mazowieckie
- January 16
developer frontend developer architect This is how we work on a project Clean Code code review static ... influence on the choice of tools and technologies you focus on product development agile scrum Team members backend
Full Stack Developer (Angular, .NET, Azure) – Tax GMS Developers
- KPMG
- Warszawa, mazowieckie
- January 16
JavaScript/TypeScript Basic knowledge about RxJs and NgRx Knowledge about Unit tests (TDD) (front-end and backend ... Full Stack Developer (Angular, .NET, Azure) – Tax GMS Developers Miejsce pracy: Warszawa Technologies ... technologies Access to exam vouchers to get Microsoft certificates Pair programming to improve your developer
Senior Full Stack Developer (Laravel React)
- WINGED IT SP Z O O
- Warszawa, mazowieckie
- February 1
Senior Full Stack Developer (Laravel React) Miejsce pracy: Warszawa Technologies we use Expected JavaScript ... design, build, and optimize scalable features for a rapidly growing SaaS platform built on Laravel (backend
Senior Java Developer - M/F/D
- Societe Generale
- Warszawa
- January 5
right technical solutions
Required
7+ years of professional experience, with 5+ years in Java backend ... Join to apply for the Senior Java Developer - M/F/D role at Societe Generale
Responsibilities
Join ... We are not just looking for someone to code – we are seeking a developer who takes pride in clean architecture
IBM BPM Engineer
- Devapo
- Warszawa
- January 19
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















































