Leon Zeng
Associate Director - Lead Software Developer
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolLeon Zeng is an Associate Director and lead software developer with a decade of hands-on experience building and operating high-performance trading systems for fixed income and derivatives. He blends deep Java/Scala expertise, multithreading and system design skills with practical production support experience—acting as a Level 3 escalation point and driving migrations of legacy booking flows. Leon is comfortable across the stack (PL/SQL, DB2/Sybase, Elasticsearch, MQ, SOAP/REST) and has improved search/report performance and user workflows through data-driven services. A pragmatic communicator and coach, he regularly leads knowledge transfers and collaborates with global stakeholders to translate complex domain needs into reliable, test-driven solutions. Early entrepreneurial success creating a high-traffic music search engine demonstrates his product intuition and ability to scale systems and revenue.
7 years of coding experience
14 years of employment as a software developer
Toronto Metropolitan University
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (15)
cybersecurity10
css10
javascript10
modular10
zero-trust10
mobile-first10
responsive10
ui-components10
des5
aes-ni5
gm3
cryptography3
cryptanalysis3
golang2
go1
Programming languages (1)
Github contributions (5)
craftleon/echoserver
Sep 2024 - Jan 2025
Contributions:5 pushes, 1 branch in 4 months
craftleon/go
Feb 2023 - Mar 2023
Contributions:8 pushes, 4 branches in 11 days
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