Hey, I'm Jan
Senior software engineer at an AI cybersecurity startup.
Wrapping up a neuroscience PhD on the side.
I design systems that secure agentic AI. Companies are handing LLMs and autonomous agents real authority. Something has to govern what those agents can see and do, inline, without latency anyone would notice. I architect that control plane, and handle the GPU inference platform it runs on. The platform sits in front of everything a company sends to AI, so it has to be fast, reliable, and observable.
Before industry I did neuroscience in Tübingen, at the Hertie Institute for Clinical Brain Research, the Werner Reichardt Centre for Integrative Neuroscience, and the Max Planck Institute for Biological Cybernetics, with a shorter stint at Shanghai Jiao Tong University. I worked with humans, primates, and rodents. The toolkit ran the full stack, from whole-brain MEG, EEG, and (f)MRI, through invasive electrophysiology, down to single cells with optogenetics and fiber-optic calcium imaging. All of it came down to pulling signal out of noisy, high-dimensional data.
The two jobs have the same shape. A large system, a weak signal, and one constraint that makes the rest legible. Get that constraint right and the architecture follows.
If you're working in AI, security, or GPU inference, get in touch.
blog
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MCP From Code
~6 minHow Pi 1.0 keeps MCP tool schemas inside a sandbox.
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The Wall Every Agent Builder Finds (Eventually)
~6 minConvergent Design Patterns in Agentic Architecture
projects
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archmax-ai harness
githubnpmdocsA thin, governed layer over LangChain Deep Agents that keeps an agent inside a declarative workflow state machine. TypeScript, MIT.
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Boje
codebergcratesA docker container monitor TUI that exposes and tracks system usage including VRAM.
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Visual features underlying neural selectivity
paperMEG study decomposing which visual features drive neural selectivity for natural images and object categories.
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ACcorr
githubAttenuation-corrected correlation coefficients in Python, accounting for measurement reliability within and across data classes.
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In vivo imaging device with fiber optic
patentMultichannel fiber-optic detector for single-cell functional brain imaging, combinable with MRI. European patent EP3375367.