Java / Python Backend Engineer

Requirements: Commercial experience with Java + Spring Boot and Python + FastAPI. Experience in developing REST APIs. Practical experience with LLM applications: RAG, embeddings, search, context, model integration. Understanding of MCP and experience integrating tools/services into AI scenarios. PostgreSQL. Important: not just experience calling model APIs or a training project, but practical experience designing and developing AI/LLM services. Bonus points: LangChain, Pydantic. Semantic or hybrid search. MCP services / agent-based LLM systems, LLM response quality evaluation. Working with DOCX, PDF, Excel / OOXML / Apache POI. Experience with enterprise or locally deployed LLMs. Suitable for an engineer who is equally confident in Java/Spring Boot and Python/FastAPI, and has hands-on experience with AI/LLM tasks, not just at the experimental level.

Location: 📍RF.