LR-based ML Lifecycle Retrospective

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

March 10, 2026 · 4 min read

Training Frameworks and Inference Formats: Where sklearn and ONNX Belong

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 1, 2025 · 6 min read

Revisiting Logistic Regression

The structure and characteristics of Logistic Regression, and why an old model still serves as the baseline in CTR prediction.

January 15, 2025 · 9 min read