Hello, I'm Zayne.

Software engineer, wannabe hacker, not an AI shill.

I'm Zayne (or Zeyu, if you prefer mandarin), a software engineer with a background in computer security. I'm a Computer Science student at Cambridge, and I love to build things that make a difference.

My NRIC number was public for four days. Should it have been?

December 15, 2024

The NRIC numbers of individuals became available to anyone on the public internet through a new feature in the ACRA portal. My thoughts on the incident and why it is a big deal.

An introduction to CodeQL and data flow analysis

September 21, 2024

The fundamentals of static code analysis, taint tracking, and problems that CodeQL is solving under the hood.

Why I'm "quitting" (offensive) security

August 21, 2024

I don't think I can ever truly quit security, but I'm ready to take a pause on popping shells and start building things that last. Here's a reflection on my journey so far and why I'm taking a step back.

Work

Company
Optiver (Incoming)
Role
Software Engineer Intern
Date
Jul. 2025 Sep. 2025
Company
Allthenticate
Role
Software Engineer Intern
Date
Dec. 2024 Jan. 2025
Company
Cure53
Role
Freelance Security Consultant
Date
May 2023 Present
Company
Open Government Products
Role
Software Engineer Intern
Date
Jun. 2024 Sep. 2024
Company
TikTok
Role
Security Engineer Intern
Date
Apr. 2023 Sep. 2023

View CV