Machine Learning, Python, Algorithms, Nlp, search recommendation, e-commerce guided shopping, Memory Agentic RL, search recommendation Copilots, Agentic Search, Cost Optimization, intelligent shopping assistants, LLM applications, Agentic SFT RL training, LLM Eval, context management, complex workflow orchestration, LangGraph, Harness Engineering, stability governance, Function Calling, Google ADK, Agent frameworks, Agent orchestration, OpenAI Agents SDK, latency optimization