Bernard Teo
Software Engineer (Core Dev) at Hudson River Trading
Singapore
Summary
👤
Senior🎓
Top SchoolBernard Teo is a software engineer specializing in high-performance C++ systems, with 11 years of experience building latency-sensitive market data feeds and order gateways at Hudson River Trading. A dual Computer Science and Applied Mathematics student from the National University of Singapore, he has deep roots in algorithmic problem solving demonstrated by participation in ACM‑ICPC World Finals, IOI, and Google Code Jam. His internships at Jump and HRT show practical expertise in low-latency trading infrastructure, C++20 coroutines, and complex multi-connection packet replay for testing. Bernard also contributes to cross-platform C/C++ tooling—improving the Windows backend of a native file dialog library with UTF-8 and filename-handling fixes—highlighting attention to robust, portable systems. Colocated in Singapore, he blends competitive algorithms, parallel programming, and production-grade engineering to optimize critical trading pipelines.
11 years of coding experience
1 year of employment as a software developer
Integrated Programme (IP), Integrated Programme (IP) at Hwa Chong InstitutionBachelor of Science (BSc), Applied Mathematics, Bachelor of Science (BSc), Applied Mathematics at National University of Singapore
Stackoverflow
5,357reputation
137kreached
28answers
103questions
Github Skills (13)
c1710
cpp10
ws-api10
winapi10
c1110
cplus10
wp-api10
cross-platform9
type-traits6
rust6
opengl6
visual-studio6
sdl6
Programming languages (12)
Github contributions (5)
btzy/nativefiledialog-extended
Aug 2018 - Jan 2023
Cross platform (Windows, Mac, Linux) native file dialog library with C and C++ bindings, based on mlabbe/nativefiledialog.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 releases, 39 reviews, 188 commits in 4 years 5 months
Contributions summary:Bernard primarily contributed to the development of the Windows back-end for the native file dialog library, which is written in C and C++. The user fixed numerous bugs and issues present in the original library, and also updated the display of the filters. The user further improved the functionality of the Windows implementation, by incorporating UTF-8 versions of functions and default filename settings, and auto-appending extensions.
dialog-librarycppc-bindingswindowsdialog
source-academy/sourceror
Jan 2020 - Sep 2021
Contributions:9 reviews, 193 commits, 140 PRs in 1 year 7 months
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