Heng Liu

Director Of Software Development & Research at Edyt Inc/Tacitlity LLC

California, United States
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Summary

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Senior
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Top School
Heng Liu is a seasoned software leader with 20 years of experience and 15 years in engineering management, currently serving as Director of Software Development & Research in California. He combines hands-on full-stack engineering—Angular/React frontends, Python/Java backends, and PostgreSQL/Oracle persistence—with proven delivery of complex, collaborative rich-client applications using agile practices. Heng has led international teams across the U.S. and Europe, driving projects from product definition and architecture through CI/CD, release, and production diagnostics. A longtime open-source contributor and former Dojo committer, he has improved core UI libraries and browser compatibility in widely-used projects like Dojo and jsdom. He pairs research-driven feature innovation with practical performance and low-latency optimizations across client, backend, and database layers. His background in physics and a PhD-level training informs a structured, analytical approach to system design and usability trade-offs.
code20 years of coding experience
job8 years of employment as a software developer
bookBachelor of Science - BS, Major in Physics, Minor in Computer Science, Bachelor of Science - BS, Major in Physics, Minor in Computer Science at Sun Yat-sen University
bookPh.D, Electrical and Electronics Engineering, Ph.D, Electrical and Electronics Engineering at University of York
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Stackoverflow

Stats
11reputation
0reached
1answer
0questions
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Github Skills (46)

polygons10
bsc10
debug10
javascript10
solidity10
continuous-integration10
tool-kit10
python10
scripting10
testing10
css10
polygon10
python-multiprocessing10
user-interface10
cli-framework10

Programming languages (10)

TypeScriptC++CRustMakefileJavaScriptPHPHTML

Github contributions (5)

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dojo/dojox

Aug 2007 - Apr 2013

Dojo 1 - extras library. Please submit bugs to https://bugs.dojotoolkit.org/
Role in this project:
userFront-end Developer
Contributions:127 commits in 5 years 8 months
Contributions summary:Heng contributed to the dojox/dojox repository, which contains the "extras" library for Dojo 1. The user focused on bug fixes and enhancements within the image and sketch modules, modifying the lightbox and sketch annotations to improve functionality and address usability issues. Their work included correcting trailing commas, fixing appearance issues in Internet Explorer, and improving the rendering and interaction of graphical elements. These changes demonstrate a focus on improving existing UI components.
dojoextrassubmit
dojo/dijit

May 2007 - Mar 2014

Dojo 1 - UI library
Role in this project:
userFull-stack Developer
Contributions:203 commits in 6 years 11 months
Contributions summary:Heng primarily contributed to the UI library, specifically fixing bugs related to browser compatibility issues and adding features. They modified JavaScript files and HTML templates to address rendering problems, incorrect behavior, and incorrect use of APIs. The user also addressed issues involving DOM manipulation, event handling, and CSS styling.
dojojavascriptui-librarytoolkitwidgets
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