Writing
Short posts on quantitative finance, ML engineering, and the things I run into while building. No tutorials, no hot takes. Just what I actually learned.
- Quant FinanceJun 2026, 5 min read
Why Your Backtest Is Lying to You
Walk-forward validation, lookahead bias, and why a Sharpe ratio in a notebook means almost nothing without out-of-sample testing.
- ML EngineeringMay 2026, 6 min read
Building a Credit Scoring Model From Scratch
From raw loan data to a deployed REST API: the decisions that actually matter when you are building something a bank would recognize.
- ML EngineeringApr 2026, 4 min read
The False Positive Problem in Fraud Detection
Blocking a real customer costs almost as much as missing actual fraud. Here is how that constraint changes the way you build the system.