NYC

01. Developer

02. NYC Based

Writing
Code

transform: rotate3d(1, 1, 0, 0deg)

Colin Xie, New York City developer

Building
Products

03. E: colinjianingxie@gmail.com 04. Building on the Side

Selected Work

Explore products, research, open source, and educational work.

Let’s Connect ↗
↗ 01 / 07

Patterns, practice, and play away from the keyboard.

Curious Competitive Precise

Get in touch
01 / Rubik’s cubing

speed
cubing

Three WCA competitions and 42 completed solves, including a 3×3 blindfolded finish in 3:50.79.

  • 3×314.41 single · 18.73 average
  • 2×24.93 single · 5.94 average
  • 3×3 blindfolded3:50.79 single · 4:56.36 average
  • 3×3 one-handed25.19 single · 32.06 average
Watch the 3:50 solve ↗WCA profile ↗
02 / Table tennis

timing
control

ATTC U3800 doubles champion in 2019 and a PingPod coach in Miami in 2024.

  • BladeViscaria FL
  • ForehandTenergy 05
  • BackhandTenergy 05
  • CompetitionATTC U3800 doubles champion · 2019
03 / Cardistry

motion
design

Small constraints become an endless space for technique, invention, and a deck collection built around memorable design.

Final ten seconds of Colin’s 3×3 blindfolded solve
3:50.79 · blindfolded finish
scroll: interest 01 / 03

Practice creates fluency: repeat, measure, adjust.

Three disciplines, one fascination with controlled motion.

About

From theory to software.

Building carefully, learning constantly.

Get in touch ↗

I’m a Quant Developer at Millennium and a Project Lab Mentor for the University of Chicago’s Financial Mathematics program.

I studied Computer Science at the University of Chicago and Mathematics at UT Austin. Outside work, I make educational videos, speedcube, collect playing cards for cardistry, and play table tennis competitively.

View latest résumé ↗
QuantPythonDevelopmentMathMentoring
Contact

Want a coffee chat?

colinjianingxie@gmail.com ↗

LocationNew York City

ConnectGitHub ↗

RésuméPDF ↗