Senior Full Stack AI Engineer (Comunidad de Madrid)

Required Skills (Must-Have)

• Python 3.12+, strong OOP, clean architecture
• CLI scripting and orchestration (argparse, bash)
• Package management, virtual environments, Docker
• Backend: FastAPI (API design, service-oriented patterns)
• Asynchronous processing: Celery, messaging, event-driven design (RabbitMQ / Azure Service Bus)
• Relational DB experience, preferably PostgreSQL
• LLM RAG architecture and implementation (chunking, embeddings, retrieval, generation)
• Prompt engineering with versioning and iteration (multi-version prompt lifecycle)
• OpenAI API experience including structured output parsing
• Embeddings and retrieval tuning; hybrid retrieval approach (vector + BM25)
• Vector search: Qdrant (or Pinecone/Weaviate/Milvus) — collection management, metadata filtering
• Azure AI Search / Azure Cognitive Search integration for indexing and retrieval
• Document processing: PDF...