Haoxiang Xu
Software Engineer at TikTok
Culver City, California, United States
Summary
👤
Senior🎓
Top SchoolHaoxiang Xu is a software engineer with 11 years of experience, currently on the engineering team at TikTok after completing an ECE master’s at Carnegie Mellon. He has strong backend and systems expertise in Go and distributed infrastructure, demonstrated by production work at Meta (ads ML performance), Tencent (large-scale Go services and team leadership), and Pionex (gRPC, Kafka, Prometheus, and high-frequency trading bots). His Meta internship delivered GPU-saving early-stopping algorithms and a monitoring pipeline that tripled user engagement on alerts, showing a knack for practical ML performance improvements. Haoxiang pairs academic training with hands-on product impact across ads, trading, and legal workflow automation, often optimizing serialization and resource utilization. Based in Culver City, he blends large-company scale experience with a pragmatic, delivery-focused approach and a willingness to tackle both systems-level bottlenecks and operational monitoring.
11 years of coding experience
1 year of employment as a software developer
Berkeley International Study Program, Berkeley International Study Program at University of California, BerkeleyBachelor's degree, Bachelor's degree at Huazhong University of Science and TechnologyCarnegie Mellon University
Github Skills (21)
wechat2
stream2
child-process2
sdk-nodejs1
typescript1
zstandard1
unrar1
javascript1
javascript-client1
compress1
emscripten1
service-object1
webassembly1
restful1
http-client1
Programming languages (2)
Github contributions (5)
haocong/haocong.github.io
Jan 2015 - Jun 2021
Contributions:55 pushes in 6 years 5 months
haocong/paper-calendar
Nov 2015 - Dec 2015
Contributions:17 commits, 15 pushes, 2 branches in 22 days
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