My Journey Building an LR-based ML Lifecycle

Building my first ML Lifecycle — a three-tier architecture for DSP Fallback CTR prediction — as a backend engineer without an AI background. The technical decisions I made, and what I learned through running it.

March 1, 2026 · 5 min read

Choosing a Model Training Framework: sklearn vs ONNX

sklearn and ONNX aren’t competing at the same layer. Once you separate their roles, the real question becomes ‘do I need an ONNX layer at all?’

February 15, 2026 · 6 min read