Software engineer in London. I’m starting as a Member of Technical Staff at Reflection AI.

Previously, I worked on GPU infrastructure and large-scale compute for AI systems at Isomorphic Labs. Before moving to London from Germany, I completed a PhD in computational quantum chemistry, then built an on-prem HPC platform for around 200 researchers at Merck KGaA.

I’m mostly interested in frontier-scale infrastructure: GPU fleets, scheduling, reliability, observability, debugging, and the tools research teams need to move fast.

Outside work I usually spend my time on good coffee, interiors*, hiking, running, vegetarian food, and finding my way around a new place.

Joscha standing in a sunny garden A small dog looking out over the sea Joscha on a mountain trail Joscha sitting at an outdoor table A cat sitting on a sofa Joscha sitting on a rock above a lake Joscha walking through a forest A white cat sleeping in a basket Joscha standing on a rocky lakeshore Joscha paddleboarding with a dog

Currently

Settling into London, working on compute infrastructure, taking more photos, and collecting occasional notes on infrastructure, science, design, and living well.

Notes

I may eventually write short notes here.