13362 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.

and treating each other with respect as equal human beings.We are looking for an experienced Python Developer

Backend Golang Developer Miejsce pracy: Warszawa Technologies we use Expected PostgreSQL MySQL MongoDB ... Cassandra Kafka Kinesis About the project We are looking for a experienced Backend Go Developer. ... Your responsibilities Design and develop RESTful APIs and microservices using Golang Build backend services

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

Title:Senior AWS Certified Java Backend Developer (Backend Test Automation)Location:Wroclaw, PolandOverview ... architecture, GitSolid experience writing automated unit, integration & system testsAgile/Scrum experienceAWS Developer ... backend test automation for a major German automotive customer. ... :Senior Java Backend Engineer responsible for developing cloud-native microservices and implementing ... is required 3 days/week with occasional travel to Germany.Responsibilities:Develop and maintain Java 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

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

Join to apply for the Middle Backend Developer role at Apifonica Polska Overview We are looking for a ... Backend Developer to help build and maintain platform APIs and core systems, with a focus on security ... Referrals increase your chances of interviewing at Apifonica Polska by 2x Get notified about new Back End Developer ... GitLab CI, Prometheus, Grafana, ELK What we're looking for 2+ years of commercial experience in backend ... in any language 1+ year of experience with Go (commercial or non-commercial) Solid understanding of backend

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

Backend Developer (Python)# Backend Developer (Python)PythonWe're a **Software House from Gdynia* ... Backend Developer (Python) #J-18808-Ljbffr ... Backend Developer (Python)3 297 - 4 397 USDNet per month - B2B2 734 - 3 641 USDGross per month - Permanent7 ... working atmosphere**, **knowledge sharing**, and **continuous development**.We're looking for a **Backend ... Developer (Python)** who will join our team and help deliver **international projects** for startups

Your Role As a Senior Backend Developer , you will play a key role in designing, developing, and maintaining ... scalable backend systems that support next-generation renewable energy products. ... Responsibilities Design, develop, and maintain backend services using Kotlin and Java Build and manage

The team As a backend developer at Kahoot! ... The team As a backend developer at Kahoot! ... Description Are you a skillful backend developer with experience building scalable backend services used ... 5+ years experience as a Backend developer Experience with building scalable, high-performance backend ... developer with experience building scalable backend services used by a worldwide community?

Candidate can be based anywhere in the EU areaOverview: The Backend Developer - Scala plays a critical ... As a 100% remote position based in the EU, the Backend Developer - Scala will collaborate with cross-functional ... role in our organization, responsible for designing, implementing, and maintaining scalable backend ... Key Responsibilities: Identify requirements for backend architecture design and API with the engineering ... This role is essential in ensuring the performance, reliability, and efficiency of our backend infrastructure

We’re looking for a skilled Backend Developer to join our growing engineering team. ... this role, you’ll be responsible for designing and building scalable, secure, and high-performance backend ... integration framework for Property Management Systems (PMS) Required Skills: 2 years of experience in backend

Remote Backend Developer Join Codepole as a Backend Developer and work with clients such as Scania, ... It is a very interesting long term project that gives an opportunity to grow as a developer.

We are seeking a highly skilled Senior .NET Backend Developer to join our dynamic and fast-paced engineering ... In this role, you will design, develop, and maintain backend services using .NET technologies, ensuring ... mindset and the ability to work effectively within a team.ResponsibilitiesDesign, build, and maintain backend ... organization.RequirementsMinimum 5 years of hands-on software development experience, with a primary focus on backend

Senior Frontend Developer (React) with Backend knowledge Join ING Hubs Poland as a Senior Frontend Developer ... with React focus and Backend knowledge. ... Familiarity with backend service design and API integration. ... Willingness to contribute to backend development when needed. ... Collaborate with backend developers to integrate APIs and services.

Senior Backend Developer (Java) Miejsce pracy: Warszawa Technologies we use Expected Java Maven Python ... OpenShift PostgreSQL Kafka Optional C++ Operating system Windows Linux About the project As a Senior Backend ... Developer (Java) you will be working for our client, a global leader providing cutting-edge infrastructure

We are seeking a Backend Developer to join a forward-thinking and collaborative team dedicated to delivering ... Are you passionate about building innovative and scalable backend solutions that power cutting-edge platforms ... While the primary focus is on backend development, knowledge of front-end technologies is appreciated ... Key Responsibilities Design, develop, and implement robust backend systems to drive automation, scalability