Leonard Thieu
Software Engineer
Philadelphia, Pennsylvania, United States
Summary
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RockstarLeonard Thieu is a software engineer based in Philadelphia with 12 years of experience building front-end and full-stack solutions using C# and TypeScript. He enjoys making things and has a practical focus on developer experience, evidenced by contributions to DefinitelyTyped where he improved TypeScript typings for jQuery and fixed VS Code region folding and ES5 compatibility issues. Leonard has also enhanced UI behavior and features in AngularJS projects like angular-tooltips, shipping bug fixes and new tooltip positioning capabilities. He combines pragmatic engineering with attention to tooling and documentation, making libraries safer and easier to use. Colleagues appreciate that he cares about subtle developer ergonomics—such as promise assignability and example formatting—that often go unnoticed but materially improve day-to-day work.
12 years of coding experience
Stackoverflow
803reputation
46kreached
9answers
10questions
Github Skills (14)
typescript10
javascript10
typescript-definitions10
typescripts10
jquery10
angularjs10
typescript-types10
html9
recess6
htaccess6
css6
php6
apache6
tracesource6
Programming languages (9)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Jan 2017 - Aug 2019
The repository for high quality TypeScript type definitions.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 reviews, 302 commits, 132 PRs in 2 years 6 months
Contributions summary:Leonard primarily worked on improving the TypeScript type definitions for the jQuery library. They fixed regressions with the assignability of jQuery Promises, removed usages of `const enum`, and fixed region folding for VS Code. In addition, they addressed issues related to ES5 compatibility, and added and formatted example documentation. Their focus was on enhancing the developer experience when using jQuery with TypeScript.
typescriptdefinitiondtstypingstypescript-definitions
720kb/angular-tooltips
May 2017 - May 2017
Angularjs tooltips module, add tooltips to your elements - https://720kb.github.io/angular-tooltips
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 commits, 3 PRs, 5 comments in 4 days
Contributions summary:Leonard primarily contributed to the front-end aspects of the `angular-tooltips` repository, focusing on enhancing the tooltip functionality. The commits demonstrate the implementation of new features, such as corner positions, and bug fixes related to template caching. The changes mainly involved modifications to the JavaScript code and related HTML files. The user also addressed issues with the display and behavior of the tooltips.
angularangularjstooltipsangular-directivesdirective
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