Timothy Hwang
Software Engineer at Persona
United States
Summary
🤩
Rockstar🎓
Top SchoolTimothy Hwang is a software engineer with a decade of experience building high-quality front-end systems and product-platform features, currently leading web portal work at Persona. He played a central role in zero-to-one launches at Persona—driving Dynamic Flow, Flow Editor, and Document AI while establishing onboarding and performance practices for ~20 engineers. Prior to Persona he shipped production trading UIs and a TypeScript reference for cryptographic onboarding at Nash, and earlier contributed React/Redux expertise at Sizmek. An active open-source contributor, he has improved UX and accessibility in popular projects like react-dates and redux-form, adding nuanced features such as same-day selection and sync warnings. Colleague-focused and product-minded, he blends hands-on coding with engineering leadership to turn complex front-end challenges into accessible, scalable experiences.
10 years of coding experience
3 years of employment as a software developer
Rice University
Chinese, English
Github Skills (17)
javascript10
calendars10
testing10
jes10
forms10
redux10
redux-form10
enzyme-testing10
jestjs10
form-validation10
datepicker10
enzyme10
react10
react-components9
react-component9
Programming languages (12)
Github contributions (5)
redux-form/redux-form
Sep 2016 - Jan 2020
A Higher Order Component using react-redux to keep form state in a Redux store
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 9 PRs, 74 comments in 3 years 4 months
Contributions summary:Timothy primarily contributed to the redux-form library by implementing and testing new features related to form validation and warnings. They added the "warn" alternative to "validate" functionality, allowing for non-invalidating warnings. The user also updated tests to cover the new features and added documentation and examples for sync warnings, including modifications to the Immutable demo. Furthermore, they addressed a bug in the `ConnectedField.js` file.
reactkeepredux-formvalidationform-state
react-dates/react-dates
Feb 2017 - Jul 2017
An easily internationalizable, mobile-friendly datepicker library for the web
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 review, 6 commits, 13 PRs in 5 months
Contributions summary:Timothy primarily contributed to the user interface and functionality of the datepicker library. They implemented new features, such as allowing same-day input when `minimumNights` is set to zero and added an `openDirection` prop to control the direction the datepicker opens. The user also fixed bugs, refactored code, and made code style improvements. Their work focused on enhancing the user experience and expanding the library's capabilities.
react-componentdatepickerreactcalendarreact-dates
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