
Rainer Hahnekamp
Google Developer Expert for Angular & AI Trainer
About
Rainer Hahnekamp is a Google Developer Expert (GDE) and AI Architect at Soverius AI, with over 15 years of experience in the design and delivery of mission-critical enterprise systems.
While the industry is currently in a race to adopt LLMs, Rainer’s expertise rests on a deep academic foundation in Unsupervised Machine Learning from the University of Vienna.
As a strategic "Bridge Builder," Rainer specializes in the deep implementation of AI services. He moves beyond simple APIs to focus on Fine-Tuning, complex RAG architectures, and Agentic development.
Blog Posts

What is an Agent Harness?

AI Fundamentals: How LLMs Work and Their Limitations
Reviewed Posts

Build a local AI coding agent from scratch

Behind the curtain of A2UI: how and why it could work
Highlights
- Google Developer Expert (GDE)
- Conference speaker: Devoxx BE, AI-Poland, AI-India, ng-conf, Basta, JAX, WeAreDevelopers
- https://www.youtube.com/@rainerhahnekamp
- 15+ years at Mars, Inc. — team lead for production Angular & Spring systems

