Tech lead for DDS involvment with National Background Investigation Service - helping to make background investigations better for the entire federal government

Created Markwhen, a markup language for visualizing series of events e.g. in a timeline or calendar

Created Meridiem, a full-featured, real-time collaborative editor for the markwhen language, available as a progressive web app and as a downloadable binary (electron)

Described as spectacular, incredible, absolutely genius, and awesome

Vue, Electron, Cloudflare Workers & Pages, Google App Engine, Stripe, CodeMirror, Node

Obsidian Plugin | Documentation | Meridiem | VS Code extension | Github (3K★)

As part of the Premium & Perks team, designed and implemented a new React internal dashboard.

The dashboard is used by customer service members and our team to debug and take action on common customer issues like adjusting coin balances or payment issues.

Swink was a QR design app with dynamic short links with simple analytics

Created a novel way to embed any image into the middle area of a QR code without taking advantage of error correction, open sourced here; the live designer is here

Web app and API with SSR Nuxt/Vue on Google App Engine

Stripe, Github Actions for CI/CD, Playwright for testing

Github (2.4K★) | Designer web app | HN discussion

Integrated search bar on the home screen, the largest visual change in the product's recent history, which led to a 2x increase in seach users and a 50% increase in search clicks

Designed and implemented the ability for users to select multiple messages, which is used over 2M times/day

Designed and implemented heuristically identifying, and automatically replying to, carrier requests to users for spam phone numbers, which is used 10k times/day across all users

Designed and implemented experiments for increasing the CTR of RCS promotions, leading to a 22% increase in user sign-ups

Converted iOS app from a thick to a thin client in conjuction with API rollout

Reduced instances of crashing by an order of magnitude, while simultaneously adding new features

Raised app rating from 3.x to 4.4+

Taught conversational English to University classes in 3 schools over 3 years

Learned Chinese 但是最近我的中文越来越懒了