FIG 0.1
AI Integration & Agents
LLMs wired into real products. Tooling, evals, retrieval, agent workflows that ship to users.
Berlin · Available for select engagements
Senior software engineer
building AI-native systems.
Twenty years shipping production software. Independent from Berlin, taking a short list of engagements I actually care about — and building open-source tools in the open.
20+
Years shipping
800+
GitHub stars
2005
Founded Level09
5
Open-source projects
What I do
§ 01 — SERVICESFIG 0.2
Full-Stack Product Engineering
Python, Flask, modern web. From schema to production. Twenty years of hard-won judgment.
FIG 0.3
Civic & Data Platforms
Open data, accountable systems. OpenStadt maps public infrastructure equity across German cities.
FIG 0.4
Technical Advisory
Architecture reviews, hiring help, and clear second opinions on the decisions that actually matter.
Selected work
§ 02 — OPEN SOURCE 01 → 02 → 03 → 04 → 05 →
stk
CreatorAI-native dev toolkit — agents, workspaces, evaluation harness.
Enferno
Creator · 800★AI-native Flask framework. Production scaffolding for serious apps.
ReadyKit
CreatorSaaS starter on Enferno. Auth, billing, admin — done.
OpenStadt
CreatorCivic tech mapping public infrastructure equity.
ZigLag
Creator · MITSelf-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.
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