projects

Software I built and run. Each page covers the problem, my part, the main design decisions, and how I checked that it works.

featured

Job Monitor

Monitors 106 career feeds every 15 minutes and publishes matching openings to a live dashboard and Discord.

LeetCode Tracker

A full-stack spaced-repetition app for 272 interview problems, with a FastAPI backend, a React frontend, and 200+ tests.

PermScope

Finds mini-program APIs in WeChat, QQ, Alipay and Baidu that skip permission checks. Found 183 such APIs; published at USENIX Security '26.

hackathon

CodeMind

Hack the North 2025 prototype, team of three. I built the backend that saves AI coding conversations as structured records.