Timothy S Lantz

Senior AI Software Engineer with 15+ years of experience building and operating large-scale production AI/​ML systems, including LLM-powered platforms and Retrieval-Augmented Generation (RAG) systems serving 200K+ daily users. Technical owner of end-to-end LLM systems, spanning retrieval pipelines, vector databases, inference orchestration, evaluation frameworks, and observability. Deep expertise in LLM reliability, including hallucination detection, partial correctness, semantic drift, and retrieval failures, with proven track record improving latency (30–40%), answer quality, and cost efficiency through system-level optimization.