Portfolio of a Senior Research Engineer building the framework, tooling, and platform that turns mid-term alpha ideas into production-monitored systematic strategies.https://researchbook.example.com/enhttps://researchbook.example.com/writing/the-deploy-contract-isnt-a-yaml-file/https://researchbook.example.com/writing/the-deploy-contract-isnt-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.Sun, 12 Apr 2026 00:00:00 GMTplatformprocessresearchhttps://researchbook.example.com/writing/walk-forward-without-leakage/https://researchbook.example.com/writing/walk-forward-without-leakage/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.Wed, 18 Mar 2026 00:00:00 GMTevaluationmlresearchhttps://researchbook.example.com/writing/mlops-for-quant-research/https://researchbook.example.com/writing/mlops-for-quant-research/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.Sun, 22 Feb 2026 00:00:00 GMTmlopsplatformresearchhttps://researchbook.example.com/writing/observability-for-alpha-pipelines/https://researchbook.example.com/writing/observability-for-alpha-pipelines/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.Fri, 30 Jan 2026 00:00:00 GMTobservabilitymlopsplatform