From Zero to Live: Building a Production‑Ready NEPSE Ticker with WebSockets
When I first tried to feed live NEPSE quotes into my back‑testing framework, the only option was a noisy REST poll that missed sub‑second price mov…
Posts
Beyond Feast: Architecting a Low-Latency, Zero-Copy Feature Store from Scratch in Python
Have you ever found yourself wrestling with feature leakage during model training or struggling to serve fresh features to an online inference endp…
Beyond K-Fold: Architecting Robust Time Series Cross-Validation for Production Forecasting
If you have ever pushed a time-series forecasting model to production only to watch its accuracy flatline within forty-eight hours, you have likely…
From Raw JSON to Production-Ready Features: Mastering Advanced Feature Engineering for Tabular Models
When I first tried to build a churn model for a telecom startup, I was buried under half‑filled JSON responses from a third‑party customer API. The…
Beyond LLM-as-a-Judge: Implementing Custom Ragas Evaluation Metrics for Production RAG Pipelines
When I first switched from a simple keyword‑match RAG to a fully fledged agentic semantic chunking pipeline for the Stripe Engineering Blog feed, t…