Algorithms, Machine Learning, Python, Nlp, e-commerce guided shopping, search recommendation Copilots, Memory Agentic RL, Agentic Search, search recommendation, intelligent shopping assistants, Cost Optimization, 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