Jane Street Puzzle Leaderboard
Tracks solvers of Jane Street's monthly puzzle: top performers, streaks and rising stars. The logo, after the original Jane Street design, was drawn in p5.js.
Zequn (Jace) Yang 杨泽群
descending through life's gradients.
Background
| 2026.03 – now | AI Engineer | Ubiquant 九坤投资 |
| 2025.03 – 2026.03 | AI Engineer | Orient Securities Runhe 东证润和 |
| 2022.10 – 2025.03 | Quantitative Developer | Galaxy Derivatives 银河德睿 |
| Class of 2021 | BSc Computer Science & Applied Math | Brandeis University |
Contact
- jaceyang97@gmail.com
- GitHub
- @jaceyang97
- X
- @jaceyang97
- Goodreads
- @jaceyang97
- Letterboxd
- jaceyang97
Projects
jsbench
An agentic benchmark built on the Jane Street monthly puzzles: 143 puzzles against six models, three samples each, every model run inside the agent harness its own vendor ships, scored on unbiased pass@3. A score therefore covers the model together with its harness.
字幕通 Zimutong
A Chrome extension that puts accurate Chinese subtitles on YouTube's own player. Speech is recognised on the viewer's own machine and only the recognised text leaves it for translation; it does not use YouTube's own captions.
Practices
A generative art archive: geometric studies, flow fields, op-art recreations and 3D stained glass.
Partridge
An interactive solver for Jane Street's June 2025 puzzle.
Open Mondrian
A generative art tool in the spirit of Piet Mondrian's Composition series. Adjust format, complexity, palette and line weight, then export as SVG.
Shredder
A faithful recreation of Mark Napier's Shredder, a 1998 net art piece: enter a URL and watch the page deconstruct into layered fragments of its own source.
Swiss Design
A conceptual web page design for the Chinese Futures Association, built on Swiss modernism and a marathon motif.
Vogue Runway Scraper
A command-line tool for pulling high-resolution fashion show photography off Vogue Runway, with proxy and session handling and dynamic scrolling.
Moyan 莫言
A Chinese Claude Code skill that makes the model stop talking, cutting token use sharply.
Mishima
A converter into Mishima Yukio's prose style, using an LLM.
edX widget
A Chrome extension for edX video learning.
RSS Discord monitor
An RSS feed monitor with Discord notifications.
Discord proxy setup
An automated Discord proxy configuration script.
ASCII generator
A naive ASCII art generator, the one every coder writes once.