Justin Chu
Software Engineer at Addinex Technologies, Inc.
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Chu is a software engineer based in New York with eight years of hands-on experience building full-stack and mobile applications across healthcare, research, and startup environments. A summa cum laude Computer Science and Applied Mathematics graduate from Hunter College with training from UWaterloo/CodePath programs, he moves fluidly between TypeScript/React, Node.js, React Native, and C# to deliver product-focused features and performance improvements. His work spans compliant healthcare messaging integrations at Pfizer to automation that sped stem cell research workflows at NYSCF, and he’s shipped authentication, generative-AI transcription, and serverless solutions in production. An active open-source contributor, he refactored a popular react-fast-marquee component to TypeScript, improving robustness, responsiveness, and testing hygiene. Known for translating UX research into measurable product gains, Justin combines cross-functional collaboration with a track record of boosting adoption and efficiency through pragmatic engineering.
8 years of coding experience
3 years of employment as a software developer
Bachelor of Arts - BA, Computer Science; Applied Mathematics, 3.9/4.0 GPA -- Graduated - Summa Cum Laude, Bachelor of Arts - BA, Computer Science; Applied Mathematics, 3.9/4.0 GPA -- Graduated - Summa Cum Laude at Hunter CollegeHigh School Diploma, Music/Computer Science and Software Engineering, 3.8/4.0 GPA, High School Diploma, Music/Computer Science and Software Engineering, 3.8/4.0 GPA at Fiorello H. LaGuardia High SchoolAdvanced Web Development, Advanced Web Development at CodePath
English, Chinese, Chinese
Github Skills (11)
component-development10
typescript10
react-components10
typescripts10
react10
typescript-types10
react-component10
javascript9
sliders8
css8
carousel-slider8
Programming languages (3)
Github contributions (5)
justin-chu/react-fast-marquee
Oct 2020 - Aug 2022
A lightweight React component that harnesses the power of CSS animations to create silky smooth marquees.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 79 commits, 20 PRs in 1 year 10 months
Contributions summary:Justin primarily contributed to the development of a React-based marquee component. They refactored the code, converting the component to TypeScript and updating the styling. Further commits involved adding new features, improving the responsiveness, fixing bugs, and integrating testing tools such as ESLint and Prettier to enforce code quality standards.
react-componentreactanimationtickercss
Rain-Ma/Culminating-Chess
May 2018 - Jul 2018
Contributions:110 commits, 97 pushes, 1 branch in 2 months
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