Rainer Hahnekamp

Rainer Hahnekamp

Google Developer Expert for Angular & AI Trainer

About

Rainer Hahnekamp is co-founder and AI Engineer at Soverius AI, and a Google Developer Expert (GDE), with fifteen years building mission-critical enterprise systems.

He specializes in local LLMs and everything it takes to run them in production — retrieval, harness and loop engineering, agents, and the UI they generate - so a company's data and source code never leave the building.

He has an academic foundation in Unsupervised Machine Learning from the University of Vienna.

Conference Talks

Demystifying the AI Jungle: Connecting the Dots

Demystifying the AI Jungle: Connecting the Dots

April 12, 2026Gurgaon, IndiaSlides

From Hours to Minute: An AI Case Study with Sheriff

From Hours to Minute: An AI Case Study with Sheriff

November 20, 2025AI PolandSlides

Blog Posts

Soverius AI is now maintaining CopilotKit for Angular

Jul 10, 2026Agentic, generative UI for Angular — a maintained, MIT-licensed package, shown with a small Angular + NgRx demo.

Quantized AI 26/02: Glimpse of Fable, Loop Engineering, Apple Intelligence 3rd Gen

Jun 17, 2026Fable was Anthropic's public Mythos-class model for a few days - then a US export-control order took it offline for everyone. We also look at Loop Engineering (an emerging term) and Apple Intelligence third-generation on-device models at WWDC.

What is an Agent Harness?

May 28, 2026Learn what an Agent Harness is, why it matters, and how it improves LLMs through tools, context management, agent runtimes, guardrails, and intent alignment.

AI Fundamentals: How LLMs Work and Their Limitations

Apr 23, 2026A deep dive into how AI models really work, from pre-training and inference to Chain of Thought, agents, and the emerging field of Harness Engineering.

Reviewed Posts

Inside MacroQuest: agent-generated UI in Angular, on a local 12B model

Knowledge in a Browser Tab: Fully Local RAG with Gemma 4

Jun 26, 2026Retrieval-Augmented Generation entirely client-side: with Angular, Transformers.js, WebGPU, and Google's new on-device model Gemma 4 E2B

Build a local AI coding agent from scratch

Jun 11, 2026Build a local AI coding agent from scratch — Gemma 4 on llama.cpp, three tools, one loop — then learn why running it unsandboxed is dangerous and how NVIDIA OpenShell contains it.

Behind the curtain of A2UI: how and why it could work

May 12, 2026Benchmarking 14 local LLM configurations on Google's A2UI generative-UI protocol on a DGX Spark. The cliff between what works and what fails is sharper than expected.

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

Quick Info

Google Developer Expert for Angular & AI Trainer

2 talks

4 posts

4 reviewed