Zequn (Jace)
Yang 杨泽群

descending through life's gradients.

Contact

Email: jaceyang97@gmail.com
GitHub: @jaceyang97
X: @jaceyang97
Goodreads: @jaceyang97
Letterboxd: jaceyang97

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

Projects

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.

repo · live

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.

repo

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.

repo

Practices

A generative art archive: geometric studies, flow fields, op-art recreations and 3D stained glass.

gallery · repo

Partridge

An interactive solver for Jane Street's June 2025 puzzle.

repo · live

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.

repo · live

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.

repo · live