Senior Python Backend Engineer (LLM / Generative AI)

The position requires a Senior Python Backend Engineer skilled in developing scalable backend services using modern Python, with a focus on asynchronous programming and clean architecture. The role involves designing and maintaining RESTful APIs, data schemas, and integrating external services and AI components, particularly Large Language Models (LLMs). Responsibilities include building LLM-powered backend features such as agent orchestration and tool integrations, implementing response evaluation mechanisms, and ensuring software quality through testing, code reviews, and CI/CD processes. Candidates must have strong experience with Python 3.x, asynchronous programming, type hints, FastAPI, Pydantic, and practical production experience with LLM/Generative AI technologies, including frameworks like LangChain or LangGraph. The role demands proficiency in prompt engineering, agent workflows, and LLM evaluation techniques. Effective collaboration with AI specialists and product teams is essential, along with professional English communication skills. The position is offered on a B2B/contract basis, targeting candidates in the EU and other European countries.