487 backend developer English-speaking jobs in Poznań
Data Scientist z naciskiem na GenAI
- Sii
- Poznań
- November 29
Your tasks Design, prototype, and implement GenAI-powered solutions supporting developer workflows such ... hand with engineering teams to design, prototype, and scale innovative AI solutions that transform developer ... Build and optimize RAG pipelines, embeddings, and vector database integrations to provide contextual developer ... legal, and compliance teams to ensure safe and responsible use of AI Collect and analyze metrics on developer ... environments Experience with LLMs, embeddings, RAG pipelines, and vector databases Familiarity with developer
Senior Fullstack Engineer Python iOS
- Netguru
- Poznań
- December 6
Ensure long-term technical health of both mobile and backend components. ... Proven experience delivering products built around mobile and Python backend. ... The ideal candidate brings substantial hands-on experience in Python backend and native iOS development ... Key responsibilities Deliver fullstack development across Python backend and native iOS (Android optional
Golang Developers
- Strategicsiq
- Poznań
- November 23
Key Responsibilities Develop and maintain backend services and APIs using Golang Design clean, efficient ... The ideal candidates will have a strong background in backend development and experience building high-performance
Automated QA Engineer
- Transition Technologies MS
- Poznań
- December 6
Solution Development: Design and implement automated test suites for both OutSystems front-end modules and backend ... LLM and RAG applications, including prompt validation, factuality testing, and output benchmarking. ● Backend ... years of professional experience in automated software testing, including experience with web, API, and backend
Senior Software Engineer Python
- N-iX
- Poznań
- November 18
Responsibilities: Focus on backend development, designing and implementing software solutions in Python ... , OpenCV, FastAPI) , AWS ML services, DevOps (GitLab CI/CD, Docker, Kubernetes, NVIDIA Triton), and backend ... as well as three or more years of experience in development with Python Experience & Know-how: Solid backend
Manual QA Engineer
- RemoDevs
- Poznań
- November 12
Experience testing backend systems, especially Python-based applications. ... Responsibilities: Perform manual testing for web systems, backend services, and API integrations. ... This role focuses on ensuring the quality of backend systems, API integrations, and front-end solutions
Web3 Frontend Engineer | React DeFi & Blockchain UI
- Polcode
- Poznań
- November 13
We’re looking for an independent, proactive, and growth-oriented Frontend Developer (Web3/DeFi) to join ... make interaction with on-chain data and smart contracts straightforward and engaging Collaborate with backend
Software Engineering Manager (AI)
- Relativity
- Poznan
- November 12
, Fullstack/Backend Technologies (Poland Remote) Senior Software Engineer, Fullstack/Backend Technologies ... (Poland Remote) Senior Software Engineer (Java/Python/C#) Senior Backend Software Engineer (Python) ... (Poland Remote) Senior Software Engineer, Fullstack/Backend Technologies (Poland Remote) Senior Software ... - Poland Senior Software Engineer, Fullstack/Backend Technologies (Poland Remote) Senior Software Engineer ... Related positions Senior Software Engineer, AI Model serving - Poznań, Poland Senior Software Engineer, Backend
EIS Developer
- EY
- Poznań
- November 26
EIS Developer in Insurance Project (Warsaw/Hybrid)As part of our Technology Consulting practice, we are ... job and create the best solutions for clientsSkills and attributes for success:Solid experience in backend
Senior Backend (Java/Kotlin) Engineer | Alfred [26k-28k B2B]
- Medium
- Poznan
- December 2
We're looking for an experienced and dedicated Senior Backend (Java/Kotlin) Engineer with a great
Senior FullStack Engineer
- GoSolve
- Poznań
- November 12
Proficiency in Java and Node.js for backend development. ... Develop and optimize backend applications primarily in Node.js and Java. ... Strong understanding of backend testing practices (unit, integration, end-to-end). ... Design and develop scalable backend services, including RESTful and GraphQL APIs, serverless architectures ... Skills & Requirements: 5 years of experience in fullstack development, with strong focus on backend systems
Senior Java Software Engineer – Expert Polyglot and AI-Driven Developer
- Link Group
- Poznań
- November 20
(6 years) who thrives in complex technical environments and enjoys working across the full stack — backend
Automation Tester Rest Assured - Tietoevry Create (m/f/d)
- TietoEVRY Corporation
- Poznan
- December 7
independently designing, developing, and maintaining test automation frameworks for RESTful APIs and backend
Senior Python Engineer - team extension project
- Netguru
- Poznań
- November 29
Requirements Tasks & Responsibilities Build and support backend solutions written in Python. ... Requirements Proven expertise in Python, preferably within backend or data-oriented projects. ... audit, tax, consulting, advisory).As a Senior Python Engineer , you’ll play a key role in developing backend
Tech Lead
- GoSolve
- Poznań
- November 15
Backend Architecture: Create and manage backend services, including RESTful APIs and microservices, utilizing ... Backend Expertise: Node.js, Next.js, Java (Spring framework experience is a plus). ... Requirements: 5 Years of Experience: Proven experience building modern web applications in a full-stack and backend
D365 Integration Developer
- Link Group
- Poznań
- November 12
D365 Integration Developer Role Overview We are seeking a skilled D365 Integration Developer to design
D365 Developer
- Link Group
- Poznań
- November 12
Job Description – D365 Developer Role Overview We are looking for an experienced D365 Developer to join
DevOps - Freelancer
- Espeo Software
- Poznań
- November 27
Professional SuccessScope of responsibilities:Design, implement and maintain CI/CD pipelines for (backend ... , GitHub Actions, or GitLab CI/CD)Familiarity with and React build processesBasic understanding of backend ... LoggingEnsure system security and compliance (IAM policies, secrets, access control)Collaborate closely with backend
Senior Test Automation Engineer with experience in mobile applications
- Upvanta sp. z o.o.
- Poznań
- December 5
and support the design, development, and maintenance of automated testing solutions for mobile and backend ... Key Responsibilities Design and implement automated test scripts for mobile and backend systems using
Python AI Engineer
- edrone
- Poznań
- December 4
Python applications Strong background in building and maintaining RESTful APIs, microservices, and backend ... other cloud-native tools Leverage AWS services (S3, RDS, DynamoDB, Step Functions, etc.) to support backend ... data orchestration tools Knowledge of dbt or strong SQL/ETL background How you will spend your time: Backend ... development Who you are: 3 years of professional experience as a Python/AI Engineer, with a strong focus on backend






















































