Jett Janiak
Technology Specialist - AI Office at European Commission
Brussels, Belgium
Summary
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Rockstar🎓
Top SchoolJett Janiak is a technology specialist focused on AI safety at the European Commission with nine years of hands-on research and engineering experience spanning mechanistic interpretability, LLM evaluation, and real-world reinforcement learning. He holds a mathematics Master’s with distinction from the University of Warsaw and has authored and co-authored multiple arXiv and conference works on LLM residual streams, chain-of-thought faithfulness, and small-transformer circuits. Jett’s background bridges rigorous research (ML Alignment & Theory Scholars, LASR Labs, AI Safety Camp) with production-facing systems engineering—building DRL pipelines and Rust simulators for city traffic and fixing critical bugs in a 50 PB Ceph cluster. He combines deep theoretical insight with practical delivery, from designing sim2real DRL extensions to shipping training libraries for small language models. Based in Brussels, he brings a rare mix of formal math training and proven impact across both academic and operational AI safety domains.
10 years of coding experience
3 years of employment as a software developer
Master's degree, Mathematics, 5.0 with distinction, Master's degree, Mathematics, 5.0 with distinction at University of Warsaw
Github Skills (82)
small-language-models9
high-performance9
experiment9
fuse9
language-model9
cpp9
experiment-manager9
nfs9
storage9
cloud-storage9
clearml9
replication9
version-control9
ai8
mypy8
Programming languages (6)
Github contributions (5)
delphi-suite/delphi
Jan 2024 - Dec 2024
small language models training made easy
Contributions:2 releases, 163 reviews, 41 PRs in 10 months
small-language-models
jettjaniak/extrv
Apr 2020 - Nov 2023
Contributions:31 pushes in 3 years 7 months
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