250 backend developer English-speaking jobs in Poznań
Backend Developer Net
- Big Blue Marble
- Poznań
- May 6
As a Backend .NET Developer , you will join a cross-functional team building cloud-based solutions, with ... What we expect: At least 3 years of experience in developing web applications (as a backend developer
Senior Java Developer
- Upvanta sp. z o.o.
- Poznań
- May 18
We are looking for a Senior Java Developer to join our team in Poland and contribute to the development ... Requirements 5 -15 years of professional backend development experience. ... Design and develop backend architecture for fintech products and platforms. ... Proven experience building and maintaining backend services and APIs at scale. ... Participate in code reviews and continuously improve backend quality and engineering standards.
Senior Nodejs Engineer
- Cloudfide
- Poznań
- May 18
You are A seasoned backend developer with at least 4 years of experience in Node.js and TypeScript. ... Your impact zone Design, develop, and maintain backend services in Node.js and TypeScript Build and scale ... reviews, and tech discussions Key responsibilities Collaborate with the team on designing scalable backend ... years of experience in Node.js, JavaScript/TypeScript Strong command of Express.js, REST APIs, and backend
iOS Developer Mid Mid m k n
- Upvanta sp. z o.o.
- Poznań
- May 6
exposure to modern mobile technologies flexible cooperation model (B2B) If you are an experienced iOS Developer ... services and APIs collaborate with backend and product teams ensure high code quality and follow best ... mobile applications implement new features based on business requirements integrate mobile apps with backend
Senior Full Stack Developer React & NET Core m k n
- Upvanta sp. z o.o.
- Poznań
- May 6
React on the frontend and C# .NET Core on the backend. ... About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in ... stack applications using React, C#.NET Core, and supporting technologies. • Build high-performance backend
Senior Full-Stack Developer Angular Java AWS
- Cyclad
- Poznań
- May 6
We are seeking an experienced Senior Full-Stack Developer (Angular / Java / AWS) to join a hybrid development ... with Angular, building scalable and modern web applications Minimum 4-5 years of experience in Java backend ... implementation, testing, deployment) Build and enhance scalable frontend solutions Design and develop backend
Senior Golang Developer - Freelance
- Netguru
- Poznań
- May 6
We are currently seeking a talented Senior Golang Developer. ... Solid experience building backend systems and APIs in a production environment. ... B2B Contract Salary rate up to 34 EUR/h Fully remote position Start ASAP Develop and maintain backend ... We are also open to candidates with a Fullstack profile, particularly those who bring solid backend expertise
Senior Staff Full-Stack Engineer
- Svitla Systems
- Poznań
- May 19
Our client is a global developer of technology platforms that develop temperature control products. ... Strong proficiency in Python for backend and serverless development (Lambda, FastAPI, or similar). ... Backend testing with pytest or similar, frontend testing with Jasmine, Karma, Cypress, Playwright, or ... Responsibilities: Design, develop, and maintain fullstack applications with Python on the backend and ... Build and optimize serverless backend services using AWS Lambda, API Gateway, DynamoDB, S3, and Step
React Developer
- Devapo
- Poznań
- May 6
React Developer We are looking for a React Developer responsible for developing and maintaining modern ... ) Experience with SSR/SSG Knowledge of accessibility principles (a11y) Experience with Docker Basic backend
Backend Tech Lead
- Remodevs
- Poznań
- May 6
Improve developer workflows and team productivity with tools and automation. ... This is a hands-on leadership role for a skilled senior backend engineer ready to lead. ... Role Overview We are looking for a Backend Tech Lead to guide one of our engineering teams. ... Mentor backend engineers and support their growth through guidance, code reviews, and career development
Java Developer Freelance
- Netguru
- Poznań
- May 6
Building and maintaining features within the SaaS application Requirements 2–4 years of experience in backend ... We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development ... hours Participate in regular team meetings and virtual team events Integrate with the client’s wider developer
Senior Software Engineer React She He They
- Capco Poland
- Poznań
- May 6
You’ll be hands-on with frontend and backend development across our React/TypeScript and NestJS/Node.js ... Leverage new and cutting-edge developer tools to enhance productivity and code quality. ... Role Overview As a Senior Software Engineer, you will serve as a senior full-stack developer for our
Full Stack Developer (Node.js/React)
- Capgemini Polska
- Poznań, wielkopolskie
- May 15
Full Stack Developer (Node.js/React) Miejsce pracy: Poznań Technologies we use Expected React.js Node.js ... It combines frontend, backend, and AI-powered product development, with a strong emphasis on scalability ... React and modern frontend development practices Experience with Node.js, JavaScript/TypeScript, and backend ... Engineering, or equivalent practical experience Strong hands-on full-stack experience across frontend, backend ... interactive and scalable frontend applications using React with a focus on performance and usability Develop backend
Staff Software Engineer PHP NodeJS
- Svitla Systems
- Poznań
- May 6
integration/E2E testing, contract testing, test data management, and eliminating flaky tests to speed developer ... Ensure that all new backend work adheres to these conventions. ... The Staff Software Engineer for Backend Platform Modernization is a pivotal role driving the evolution ... Requirements : Staff-level backend expertise: 8 years building scalable services and APIs with modern
Backend Architect Golang
- Point Wild
- Poznań
- May 18
About the Role We're seeking a hands-on VPN Backend Architect (Golang) to lead our backend team while ... Backend Architect (Golang) Poland, Remote or Ukraine, Remote or Romania, Remote Point Wild helps customers ... You'll set technical direction for our backend platform serving millions of users, guide an engineering ... What You'll Do Define and evolve the architecture of our backend platform serving connections from millions ... best practices across the team Partner with the SDK team to integrate client features cleanly into backend
IBM BPM Engineer
- Devapo
- Poznań
- May 6
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
Staff Engineer
- dotLinkers
- Poznań
- May 9
Requirements Deep Backend Expertise: Expert-level Python and Django knowledge. ... We are not looking for a product-focused developer, but a systems thinker who will build the foundation
AI Engineer
- Addepto
- Poznań, wielkopolskie
- April 21
"from scratch" you focus on product development agile scrum Team members technical leader big data developer ... Experience with backend frameworks (e.g., FastAPI) and databases (SQL/NoSQL). ... Engineer Miejsce pracy: Poznań Technologies we use Expected Python Docker Git LLM GenerativeAI AI CI/CD Backend ... If you’re comfortable with backend development and have a keen interest in data science and frontend ... Build and enhance backend components for advanced AI systems using Python and frameworks like FastAPI
AI Engineer (Python, LLMs)
- Addepto
- Poznań, wielkopolskie
- April 21
"from scratch" you focus on product development agile scrum Team members technical leader big data developer ... Experience with backend frameworks (e.g., FastAPI) and databases (SQL/NoSQL). ... LLMs) Miejsce pracy: Poznań Technologies we use Expected Python Docker Git LLM GenerativeAI AI CI/CD Backend ... If you’re comfortable with backend development and have a keen interest in data science and frontend ... Build and enhance backend components for advanced AI systems using Python and frameworks like FastAPI
Senior AI Engineer (Python, LLMs)
- Addepto
- Poznań, wielkopolskie
- April 21
"from scratch" you focus on product development agile scrum Team members technical leader big data developer ... Experience with backend frameworks (e.g., FastAPI) and databases (SQL/NoSQL). ... Python, LLMs) Miejsce pracy: Poznań Technologies we use Expected Python Docker Git LLM GenerativeAI Backend ... If you’re comfortable with backend development and have a keen interest in data science and frontend ... Build and enhance backend components for advanced AI systems using Python and frameworks like FastAPI













































