Case studies
Everything worth writing up
Ordered newest first. Each one states the problem, what I did about it, and the number that moved.
Kettle · 2026
Ledgerloop
Real-time reconciliation for a payments ledger moving ₹40 crore a day.
Cut LCP 42%
Northwind Commerce · 2025
Atlas Search
Typo-tolerant catalogue search across 2.1 million SKUs, self-hosted.
Search p95 480ms → 71ms
Open source · 2025
Pulse
Self-hosted product analytics that swallows 40 million events a day on three nodes.
40M events/day on 3 nodes
Northwind Commerce · 2024
Northwind Checkout
A checkout rebuild that stopped losing one basket in five at the payment step.
Conversion up 18.4%
Open source · 2023
Warp Migrate
A CLI that moves a live Postgres table to a new schema without a maintenance window.
1.2M rows, zero downtime
Pulseboard · 2022
Meridian Docs
A documentation platform where every code sample is executed on every deploy.
Support tickets down 31%