Requirements Must have: 5+ years of software engineering experience, including 2+ years building and running production GenAI/LLM applications used by real users. Strong Python skills with experience writing production-grade, tested, and maintainable code. Strong hands-on experience with RAG, including embeddings, vector databases, retrieval strategies, reranking, evaluation, and quality optimization. Hands-on experience with Google Cloud Platform, particularly Vertex AI/Gemi