Tony Xu, home
Author
Tony Xu
Work
Staff Software Engineer, ads measurement
Based
San Francisco Bay Area
Languages
English / 中文, since 2018

Hey, I'm Tony. I write code, tinker with agents, and raise two kids.

I'm a Staff SWE at LinkedIn working on ads measurement, and a dad of two in Menlo Park. I write about what I build and what actually works: engineering, A/B testing, AI agents, and personal systems, in English and 中文.

Read the latestBrowse topics
Posts
33
In 中文
25
Browser tools
9
Photographs
11
First post
2018

01Recent writing

All writingRSS
  1. 一个 A/B test 实验审查工具中文
  2. My second brain setupEN
  3. The Next AI Race May Be Won at the Application LayerEN

02Topics and series

Every topic

Topics

Series

  • Experimentation in practice

    How an ads experiment platform fits together, and how to review an A/B result before anyone ships it. Pairs with the A/B testing tools in the Lab.

    2 parts

  • My toolchain over the years

    The same question asked every few years: which tools earn a place in the daily workflow, from a 2018 terminal setup to AI agents in 2026.

    7 parts

  • Web foundations

    Early notes on OAuth with PKCE, HTTP header conventions, and server-side analytics embeds. Each is available in English and Chinese.

    3 parts

03Lab

Small tools that run in your browserOpen the Lab

Also in the Lab

See all nine tools

04Photos

4 sets / 11 photosPhoto index

05Now

Updated

On paternity leave through August with family in China, and testing coding agents and small automations in the margins.

What has my attention

About

I’m Tony, a Staff Software Engineer in the San Francisco Bay Area working on ads measurement. I have been writing here since 2018.

About meLinkedIn (opens in a new tab)GitHub (opens in a new tab)