Hengsheng Cai
Senior Software Engineer at TikTok
Haidian District, Beijing, China
Summary
👤
Senior🎓
Top SchoolHengsheng Cai is a Senior Software Engineer with eight years of experience specializing in C++, Python, and Go for Linux-based quantitative and low-latency trading systems and computational advertising. He has built production trading infrastructure and performance-critical services at a Beijing trading tech firm and then architected online advertising systems at ByteDance before joining TikTok. His background in Financial Engineering and an exchange term in finance inform a pragmatic blend of finance-domain insight and systems-level engineering. Comfortable across algorithmic trading stacks and ad tech, he focuses on high-throughput, low-latency solutions and reliable delivery under strict SLAs. Colleagues rely on him to bridge quantitative requirements and robust engineering in fast-paced, data-driven environments.
8 years of coding experience
7 years of employment as a software developer
Bachelor of Science, Financial Engineering, Bachelor of Science, Financial Engineering at University of MacauExchange Programme, Finance, Exchange Programme, Finance at Indiana University of Pennsylvania
English, Chinese, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (28)
low-latency10
ctp10
nodejs10
server-side10
quantitative-trading9
hft9
logging8
flask-api8
prebid8
marshmallow8
flask-restful8
flask-extensions8
logger8
api-documentation7
api7
Programming languages (4)
Github contributions (5)
chshpra/prebid-server
Feb 2021 - Sep 2021
Server side component to offload prebid processing to the cloud
Contributions:2 PRs, 9 pushes, 2 branches in 7 months
nodejsserver-sideprebid
chshpra/prebid.github.io
Feb 2021 - May 2021
Repo that controls Prebid.org website
Contributions:1 PR, 5 pushes, 1 branch in 2 months
prebid
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