Senior Software Engineer Long Contract San Ramon, CA (5 days a week onsite) Total IT exp. Must be at least 10 years or more Strong experience inPythonandFastAPIfor backend development. Proficient inReactandTypeScriptfor building modern, scalable frontend applications. Hands-on experience withAI-powered applications, includingLarge Language Models (LLMs),Retrieval-Augmented Generation (RAG), prompt engineering, and LLM orchestration tools/frameworks. Experience designing and integrating AI sol