· Ruby Jha · engineering-leadership
How a One-Month Fix Saved $250K/Month in Ops Costs
How I scoped a 1-year architecture proposal down to a 1-month solution that cut support calls by 60% and saved $250K in recurring ops costs.
The Blog
On building AI systems, leading engineering teams, and the decisions behind both.
- · Ruby Jha · project-deep-dives
How I Calibrated an LLM Judge That Approved Everything
My first LLM judge had a 0% failure rate. That meant it was useless. This is the story of calibrating it to actually catch failures, and building a correction loop that took synthetic data failures from 36 to zero.
- · Ruby Jha · project-deep-dives
Building 9 AI Projects (While Working Full-Time)
Why I am building 9 AI systems from scratch while working full-time as an Engineering Manager. The portfolio, the progression, and what I have learned so far.