13986 backend developer English-speaking jobs in Poland

We are looking for a Senior Backend Developer to join our Optimization Team at Programmers Force. In this role, you will focus on optimizing backend systems for performance, scalability, and efficiency while working on large-scale, high-traffic workloads. Your responsibilities will include refactoring backend code, improving database queries and indexing, troubleshooting bottlenecks, and collaborating with cross-functional teams to scale backend architecture. You will ensure systems remain secure, reliable, and efficient while mentoring junior team members and enhancing test coverage. The ideal candidate has 4+ years of backend development experience with strong expertise in PHP (Laravel), Node.js, Python, MongoDB, and relational databases (MySQL, PostgreSQL). You should also be proficient in API development (REST/GraphQL), performance optimization, Docker, Git, and CI/CD practices. Experience with Redis, RabbitMQ, AWS/Azure, and backend security best practices will be considered a plus.

Backend Developer (Python) – Contract / Remote# Backend Developer (Python) – Contract / RemoteRuby**Backend ... Developer (Python) – Contract / Remote**We’re looking for a **Backend Developer (Python)** to join our ... Backend Developer (Python) – Contract / Remote #J-18808-Ljbffr ... Backend Developer (Python) – Contract / Remote2 713 - 4 341 USDNet per month - B2B7. ... If you’re a curious Python developer who enjoys working with data, integrations, and modern backend tech

We are KUZNITSA TALENTS, and we are looking for an experienced backend developer / Senior PHP developer

Backend Developer (Python) – Contract / Remote We’re looking for a Backend Developer (Python) to join ... 💬 If you’re a curious Python developer who enjoys working with data, integrations, and modern backend ... Collaborate with a small distributed team (PM + GoLang developer + client’s engineers). ... Requirements 2+ years of experience in backend development (Python). ... This role is ideal for a developer who enjoys autonomy, building real products, and solving engineering

cooling solutions as an SAP Commerce Backend Developer! ... 🚀 SAP Commerce Backend Developer | 100% Remote | Long-Term B2B Join a global leader in heating and ... Develop and enhance backend features on SAP Commerce Cloud Build integrations via REST, OCC, and SOAP ... remote work in a global team 📅 Long-term B2B contract until the end of 2026 👥 Small agile team (2–3 backend

Join to apply for the Backend Developer (Node.js) role at Fundraise Up Join to apply for the Backend ... About The Role As a Backend Developer, you will be a key architect of the engine that powers our global ... Developer (Node.js/TypeScript) We’re unlocking community knowledge in a new way. ... Developer (Node.js) role at Fundraise Up Get AI-powered advice on this job and more exclusive features ... Our backend is powered by Node.js (Koa, NestJS) and MongoDB .

Backend Developer (Python) – Contract / RemoteWe're looking for a Backend Developer (Python) to join ... turn raw telemetry data into instant insights.This role is ideal for a developer who enjoys autonomy ... Python-based microservices (FastAPI / Flask).Collaborate with a small distributed team (PM + GoLang developer ... You'll work with an early-stage US startup, helping to shape integrations and backend systems that ... PM.Opportunity to grow into a long-term collaboration on scaling the platform.If you're a curious Python developer

Join to apply for the Tech Lead Backend Developer role at NATEK Continue with Google Continue with Google ... Join to apply for the Tech Lead Backend Developer role at NATEK Get AI-powered advice on this job and ... Job Description We are looking for Tech Lead Backend Developer who is going to join project within banking ... Developer who is going to join project within banking industry. ... with Google Continue with Google Continue with Google Job Description We are looking for Tech Lead Backend

Join to apply for the Backend Java Developer role at Citi 1 day ago Be among the first 25 applicants ... Join to apply for the Backend Java Developer role at Citi Get AI-powered advice on this job and more

Backend loving full-stack developer who loves independence and to develop further We are looking for ... a full-stack developer who is more at home in the backend but is also capable of working on the frontend ... Backend Experience. You have strong backend experience with Node.js + SQL. Frontend skills. ... At least 5 years of experience as a full-stack developer. Production debugging skills. ... hands-on with code — Python, Rust, Next.js are our go-tos Shape architecture and API design with a backend-first

Overview Join to apply for the Senior Backend Developer role at Danfoss . ... Danfoss Group IT is seeking a Senior Backend Developer to join our global Digital Customer Experience ... General Skills : 3+ years of backend development experience in enterprise environments. ... Responsibilities Design, develop, and maintain backend services for Authorization Cockpit and MyDanfoss ... Skills Technical Expertise : Proficiency in C#, .NET Framework (latest and legacy versions), and modern backend

We are looking for a highly skilled Senior Backend Developer with solid experience in Java (primary) ... Developer (Java & Python) . ... Stay up to date with backend trends and best practices. ... Qualifications 5+ years of backend development experience in production environments. ... Overview On behalf of NDA, Mobile Payment Platform , SD Solutions is looking for a talented Senior Backend

RoleSenior Python Backend Developer for our projectKey ResponsibilitiesDesign, develop, and maintain ... scalable backend services and APIs using Python.Architect robust, secure, and high-performance solutions ... and well-documented code following best practices.Continuously monitor, optimize, and troubleshoot backend ... systems for performance and reliability.QualificationsExtensive experience with Python and popular backend ... for complex business requirements.Integrate with databases, third-party APIs, and other backend systems.Collaborate

Senior Full Stack Developer (Frontend- or Backend-Focused) This position is posted by Jobgether on behalf ... We are currently looking for a Senior Full Stack Developer (Frontend- or Backend-Focused) in the European ... You will work across the full software stack, developing both user-facing features and backend systems ... technologies like Java, Spring Boot, Hibernate, and SQL For backend focus: expertise in Java, Spring ... Whether your focus is frontend or backend, you will help create elegant, intuitive, and reliable software

The team As a backend developer at Kahoot! ... Overview Are you a skillful backend developer with experience building scalable backend services used ... developer Experience with building scalable, high-performance backend services BSc Degree in Computer ... You will report to the Engineering Manager - Backend located in Norway. Check out our Kahoot! ... Responsibilities Work with the backend team to design, build and maintain a robust, secure, and flexible

Overview We are looking Java Backend Developer for our client in Poland. ... Job Title: Java Backend Developer-AWS Job Location: Poland (Remote) Duration Of Contract: 12 Months (

We are looking for a NestJS Backend Developer ready to help us evolve our backend infrastructure into ... Contribute to the growth of a microservices-based backend. ... Qualifications Experience with NestJS and backend fundamentals. ... Responsibilities Design, build, and maintain backend services using NestJS (Node.js). ... Interview with a Backend Engineer. Second technical test to evaluate coding skills.

Senior Backend Developer (Go) Miejsce pracy: Kraków Technologies we use Expected Go SQL PostgreSQL Optional ... Python gRPC GraphQL AWS About the project We are seeking a talented Senior Backend Developer with a

Developer with a minimum of 6+ years of expertise in developing backend systems using Java and Spring ... Remote from Poland6+C1B2B up to zł/h + VATjavaAbout the roleWe are seeking an experienced Senior Backend ... verbal and written communication skills.ResponsibilitiesBackend Development: Build and maintain scalable backend ... Dependency-Check Maven Plugin, and mitigate identified risks promptly.Cloud Integration: Deploy and optimize backend

Full-time Send us your application Apply now Backend Developer with Go Development Backend Development ... Whenever possible, we open-source our libraries and share them with the developer community. ... Social network you want to login/join with: Development Backend Development LiveChat Remote in Poland ... About the role: You'll be a member of the Platform API team responsible for developing our core backend