2026-04-12 · platform · process · research
The deploy contract isn't a YAML file
The most important artifact a research engineer ships is also the one that doesn't look like code. It looks like the conversation that happened the week before.
Writing
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Notes from the loop.
Short pieces on how I think about research-engineering for systematic trading. Practical, opinionated, sized for an evening's commute.
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- 2026-03-18 · evaluation · ml · research
Walk-forward without leakage: a checklist that's saved me
Most leakage bugs don't look like leakage. They look like a model that's just good. Here's the small set of checks I run before I'll trust any backtest number.
- 2026-02-22 · mlops · platform · research
MLOps for quant research isn't MLOps for ML
Web-MLOps wants to retrain on yesterday's data and ship to A/B. Quant-MLOps wants to defend bit-exact reproducibility of a model that traded a year ago. Same vocabulary, different platform.
- 2026-01-30 · observability · mlops · platform
Observability for alpha pipelines: three dashboards, one rule
If a model can be in production, you should be able to answer three questions about it without writing a query. Each question gets its own dashboard, and they don't share an owner.