Experience in Python, FastAPI, Java, Spring AI, Async Programming, Gemini, OpenAI, Claude, Llama, Local Models, PyTorch, TensorFlow, Fine-tuning, Google's ADK, LangChain, LlamaIndex, Hugging Face, LangGraph, Multi-Agent Systems, PostgreSQL, Vector DBs, Advanced Retrieval, Docker, Production APIs, Monitoring, Prompt Engineering, Workflow Design, GenAI Optimization. Lead data engineering efforts, including: Data modeling, Data pipelines (ETL/ELT), Batch and streaming data processing, Data governance (catalog/lineage) and quality engines, Big data technologies.