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