Joseph Chou - Freelance

Joseph Chou

Freelance

Taipei, Taiwan

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Summary

👤

Senior

🎓

Top School

Joseph Chou is a versatile full-stack engineer and freelance tech lead with 12 years’ experience building web and embedded products from Ruby on Rails backends to React/Redux frontends. He has served as CTO at LongGood, delivering motion-sensing rehabilitation systems that combined Unity, Kinect, Android firmware and cloud analytics, and today focuses on scalable web platforms, APIs and serverless architectures. Joseph contributes to notable open-source React projects—improving locale-aware date/time pickers in the Material-UI ecosystem—and brings practical internationalization and component-refactor expertise. His freelance portfolio spans Next.js/TypeScript SPAs, Laravel APIs, AWS CDK-based serverless stacks and TDD-driven Rails apps, often adding social auth, analytics and payment integrations. A published author and repeat speaker on ML and Rails+React topics, he pairs hands-on coding with continual self-learning of design patterns and reactive front-end techniques. Based in Taipei, he enjoys translating clinical and civic problem statements into production-ready, user-focused software.

12 years of coding experience

3 years of employment as a software developer

Master's degree, Computer Science, Master's degree, Computer Science at National Chiao Tung University

BS, Computer Science, BS, Computer Science at National Taiwan University of Science and Technology

Stackoverflow

Stats

11reputation

68reached

0answers

1question

Github Skills (27)

javascript10

component-development10

material-ui10

material-design10

momentjs10

localization10

prop10

props10

datepicker10

datetimepicker10

react10

number-picker9

image-picker9

react-components9

user-interface9

Programming languages (8)

TypeScriptSolidityAstroJavaScriptPHPLuaVim scriptRuby

Github contributions (5)

onefinestay/react-daterange-picker

Jul 2017 - Jul 2017

Role in this project:

Front-end Developer

Contributions:5 commits, 1 PR, 1 comment in 1 day

Contributions summary:Joseph primarily contributed to the front-end of the `react-daterange-picker` repository. Their work focused on fixing bugs related to the `value` prop in input elements and ensuring correct prop types. They also updated the codebase by importing PropTypes from the prop-types package and replacing the usage of `React.createClass` with the `create-react-class` library, along with adding the `displayName` to relevant components. These changes indicate a focus on component structure, type safety, and overall code maintainability.

mui/material-ui-pickers

Jul 2018 - Jul 2018

Date & Time pickers, built with ❤️ for @material-ui/core

Role in this project:

Front-end Developer

Contributions:1 PR, 2 issues in 1 day

Contributions summary:Joseph primarily contributed to the localization features of the date and time pickers library. They implemented and modified components to handle different locales, integrating moment.js for date formatting and localization. The commits include changes to the example code and component modifications related to locale selection and rendering, as well as updating the base picker component.

date-pickerdate-timereactdatepickertime-picker

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