01Northwind ToolsSenior engineer2025 — Present
Leads a team of three on a release tool for small teams. Merge-to-production went from forty minutes to eighteen.
18-minute deploys
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Full-stack engineer · Shenzhen
Small, fast tools that actually get built.
Inventory tools for three shops, a request line for a campus radio, a refund path that could not be late. Now leading three people on a release tool. Below is what each of them changed.
Now: building a release tool for small teams
By the numbers
The countable part
These figures come from release logs and the ticket system. If a log does not show it, it is not here.
Release log, 2023–2026
214 releases, 6 rollbacks
Each of the six rollbacks has a write-up, so that no mistake happens twice.
5
Companies
Experience
31
Features shipped
Changelog
4k
Daily users, latest product
Own analytics
92%
Test coverage on the critical path
CI report
18
Minutes from merge to production
Pipeline median
3
Open-source packages
npm
Experience
From shop tools to payments
Most recent first. Each opens to what was actually done there.
- 02Harbor PayBackend engineer2023 — 2025
Owned the refund and reconciliation path. Nineteen months, zero money incidents.
Zero money incidents - 03Studio LumenFull-stack engineer2022 — 2023
The only engineer in an eight-person design studio. Eleven client sites shipped in fourteen months.
11 sites shipped - 04Campus RadioStudent developer2021 — 2022
Built the request system and the live page for the campus station. Two thousand concurrent listeners at peak, and it never went down.
2,000 concurrent - 05FreelanceFreelance2020
Small stock and order tools for three small shops. All still in use.
3 shops, still running
Work
Three things that shipped
Three tools built on weekends, all still in use. Each has a page of its own.
Release tool · 2025
Relay
A release tool for small teams: one command from merge to production, with every step visible and re-runnable.
View project →
Command line · 2024
Ledgerline
A plain-text ledger. The book is one file, lives happily in version control, and will still open in ten years.
View project →
Web app · 2023
Quiet Hours
A focus timer with one ring and one button. Built to learn how not to add features.
View project →
Weekends
Away from the keyboard
Hills, sea, a city and a road, all of them places I have walked.
