Leonard Siu
Lead Senior Staff Software Engineer at The Trade Desk
Hong Kong, China
Summary
👤
Senior🎓
Top SchoolLeonard Siu is a Lead Principal Software Engineer with 13 years of experience building internet-scale distributed systems, currently driving measurement, identity and data-pipeline efforts at The Trade Desk in Hong Kong. He has led teams from 4 to 12 engineers across squads, delivered complex partner integrations (including Disney UID2 cleanroom and Snowflake-based reporting), and helped adapt global ad platform capabilities for the China market. His background spans investment banking systems for equity derivatives at Credit Suisse, PCI-DSS mobile payments and ecommerce at an early-stage startup, and end-to-end digital transformation of his family business into productized services. Comfortable from 0-to-1 product builds to multi-million-dollar enterprise consulting, he pairs hands-on architecture and algorithm work with sales-to-delivery ownership. An engineer who moves fluidly between identity graphs, reach & frequency algorithms and operationalizing compliant payments, he brings both deep technical craft and a rare mix of commercial and delivery experience.
13 years of coding experience
14 years of employment as a software developer
BASc Engineering Science -- Biomedical Engineering, BASc Engineering Science -- Biomedical Engineering at University of Toronto
English, Chinese
Stackoverflow
2,315reputation
263kreached
29answers
3questions
security
top-5%
java
top-5%
spring-security
top-5%
spring
top-5%
Github Skills (95)
cssom10
persistence10
sudo10
excel10
spreadsheet10
jpa10
java10
spring-boot10
spring10
grid10
relational9
sql9
database9
orm-library9
archetype9
Programming languages (4)
Github contributions (5)
lsiu/tails-android
Oct 2013 - Aug 2016
Contributions:3 commits, 1 push in 2 years 10 months
lsiu/websphere-maven-plugin
Apr 2013 - Oct 2020
Contributions:84 commits, 1 PR, 9 pushes in 7 years 7 months
maven-pluginjavawebspheremaven
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