FIG 0.101
AI Integration & Agents
LLMs doing real work inside real products. Tooling, evals, retrieval and agent workflows that actually reach users.
Berlin · Available for select engagements
Senior software engineer
building AI-native systems.
Twenty years of software in production. I work independently from Berlin on a short list of engagements I actually care about, and spend the rest of my hours building open-source tools in public.
20+
Years in production
~900
GitHub stars
2005
Founded Level09
5
Open-source projects
What I do
§ 01 · SERVICESFIG 0.202
Full-Stack Product Engineering
Python, Flask, modern web. Schema to production, carried by twenty years of hard-won judgment.
FIG 0.303
Civic & Data Platforms
Open data, accountable systems. OpenStadt maps how fairly public infrastructure is distributed across German cities.
FIG 0.404
Technical Advisory
Architecture reviews, hiring help, and clear second opinions on the decisions that actually matter.
Selected work
§ 02 · OPEN SOURCEPOSITEMTYPEYEAR
01stk↗
AI-native dev toolkit with agents, workspaces and an evaluation harness.
02Enferno↗
AI-native Flask framework. Production scaffolding for serious apps.
03ReadyKit↗
SaaS starter on Enferno. Auth, billing and admin already done.
04OpenStadt↗
Civic tech mapping public infrastructure equity.
05ZigLag↗
Self-hosted invoicing software, built on stk.
§ 03 · ABOUT
Human before engineer.
I founded Level09 Studios in 2005 and have been writing software ever since: enterprise systems for international media groups, technology consulting for civic organisations, and the open-source projects that put my name on the map.
Today I work independently from Berlin. A few serious engagements at a time, the rest of my hours on open source. That balance is the whole point.
Read the full story