Python GenAI Developer
Prosta 20, Warszawa
Madiff Sp. z o.o.
At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity – supporting industries like Telecom, Banking, and Hi-Tech.
Are you passionate about building scalable backend services and working with the latest GenAI technologies?
Our client from the technology & digital innovation industry is looking for a Python Developer with GenAI Experience to strengthen a team developing AI-driven backend services and blockchain-integrated platforms.
Key responsibilities
Build Python-based microservices using FastAPI and asyncio, integrating with LLM APIs such as OpenAI and Anthropic
Develop RAG pipelines, manage embeddings, and work with vector databases including Pinecone and Chroma
Orchestrate AI workflows involving prompt routing, fallback logic, tool calling, and memory-handling mechanisms
Integrate with MongoDB, process structured and unstructured data, and deploy solutions using Docker
Collaborate closely with frontend, DevOps, and data teams to expose internal APIs powering AI capabilities
Support blockchain-related data pipelines and smart contract integrations
What we are looking for
3+ years of experience in Python backend development, including 1–2+ years working with LLMs or GenAI
Strong skills with FastAPI/Django/Flask and LangChain/LangGraph
Hands-on experience with Docker, Git, vector databases, and cloud environments (preferably Azure)
Understanding of token limits, prompt design, and API integration patterns
Strong communication skills and English at B2+ level
Nice to have:
Familiarity with prompt templating tools (jinja2, guidance)
Experience with OpenAI function calling or Anthropic tool use
Exposure to evaluation frameworks such as LangSmith or TruLens
Knowledge of Azure OpenAI and cloud API gateway integrations
Ability to collaborate effectively with frontend teams consuming AI-powered endpoints
What we offer
Remote work model with flexible approach to collaboration
Long-term cooperation with a stable and fast-growing international organization
Work in a skilled, cross-functional team building next-generation AI solutions
Professional development opportunities within high-impact AI and digital transformation projects

At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France and the UK, we specialize in AI, DevOps, and Cybersecurity...
Python GenAI Developer
Python GenAI Developer
Prosta 20, Warszawa
Madiff Sp. z o.o.