Notes

Engineering notebook

Notes on runtime behavior, failure modes, deployment tradeoffs, and the implementation details that still matter after the demo ends.

01 / Notes

Notebook entries

Notes and related entries, ordered by date.

Engineering

PostgreSQL Might Be the Most Underrated Tool in Your Stack

Apr 21, 2026

PostgreSQL is still treated like 'just the database,' even though it can absorb surprising amounts of search, scheduling, vector, auth-adjacent, and API work. OpenAI's own PostgreSQL scaling story is a good reminder: this tool has far more headroom than most teams assume.

Engineering

Why Your Vision Model Is Lying to You (And How to Catch It)

Feb 07, 2026

Production failures in computer vision are rarely simple 'wrong predictions.' They are complex conceptual drifts—blur, lighting, camera shifts. Here’s how I built a 'flight recorder' to catch them before they become incidents.

Job Search

The Hiring Momentum Dashboard I Wish Existed

Dec 29, 2025

I stopped tracking individual job listings and started tracking hiring behavior—momentum, freezes, job lifespan, and timing. Here’s what changed and why it’s actually useful.