AI/ML engineer · research systems

Pavel
Kazantsev

Systems for when the demo is over

LLM products, evaluation harnesses and research tooling — built around the data, edge cases and operating constraints that decide whether they hold up

Code, research notes, and the parts that broke

End-to-end systems · from interface to infrastructure

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My ML Feature Used the Wrong Unit. The Threshold Was 400× Too Large.
Research · HFM7 min read

My ML Feature Used the Wrong Unit. The Threshold Was 400× Too Large.

A live ML pipeline compared individual trade sizes with a per-second NAV threshold. large_share collapsed toward zero; the audit found three more train/serve feature-contract bugs.

PythonML monitoringProduction MLQuant research
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