Joel P. Barmettler

AI engineer bridging research and production, published at WWW'26, former startup founder, currently architecting enterprise AI systems at bbv Software Services.

Research focused on making AI systems reliable enough to deploy: knowledge grounding in LLMs, sovereignty through open-source infrastructure, agentic layer engineering, and understanding social impact.

Eight years of commits spanning AI/ML (PyTorch, LlamaIndex, Milvus), infrastructure (Docker, AWS, FastAPI), and web development (Vue, React, TypeScript). 580K+ lines of code, 580 PRs opened, 901 reviews completed.