Must-have SkillsPython (Advanced proficiency)AI/ML Development Practices (Modern)LLM Systems (Shipping in production for 2+ years)Agent Orchestration Frameworks (LangGraph, LangChain, OpenAI Agents SDK, or custom)Graph Databases (e.g., Neo4j, Neptune, ArangoDB)API & Data Engineering Fundamentals (FastAPI, PostgreSQL, Vector Stores)Cloud Platforms (GCP, AWS, Azure)