System Index // Engineering

Architecture, scaling, and startup/scale-up war stories.

Systems architecture and engineering leadership across the industries I have shipped in — q-commerce, media-tech, ad-tech, betting/gaming and fashion e-commerce. What actually held up under load, and what did not.

Browse all writing Subscribe

004

Pillar Stats

Entries4

Latest06 Jul 2026

Sectionengineering

Latest Entry

001

001 / Engineering06 Jul 2026

AI Didn’t Kill Junior Engineers. It Killed Spec-Following.

Junior-developer jobs are shrinking, not because AI codes better but because it executes to spec faster than a junior can. That changes what to hire for.

#career #hiring #engineering-management

002 / Engineering

AI Didn’t Kill Stack Overflow. ‘Marked as Duplicate’ Did.

Stack Overflow didn’t die because AI got good. It died because it made asking a question feel like a trial, and the moat it built became its undoing.

10 Jun 2026

003 / Engineering

A Quarter’s Work in Five Weeks, Without Vibe-Coding

A three-to-four-month project shipped in five weeks. AI-first, with more discipline, not less. The change was prototypes over specs, humans in the loop.

06 May 2026

004 / Engineering

How We Cut a Firestore Analytics Bill by 96% Without a Rewrite

Our most expensive project was a dashboard misusing Firestore as an analytics store. The fix was not a migration but matching the model to the billing.

25 Mar 2026

Cross-reference

Applied AI & machine learning, explained twice.

Cross-reference

Fitness

Training, sleep, and capacity — the infrastructure for hard thinking.

Subscribe for updates

Occasional deep-dives on applied AI and systems at scale, delivered to your inbox.