Jay Chen, React Developer in Rockingham, Australia
Jay Chen

React Developer in Rockingham, Australia

Member since June 16, 2022
Jay is a senior front-end developer with over ten years of experience designing and building responsive web design for various industries. He is proficient in HTML, CSS, and JavaScript, plus modern JavaScript frameworks like React and Vue. With extensive UX and user psychology knowledge, Jay is passionate about creating solid web applications and learning new technologies.
Jay is now available for hire


  • PixieBrix, Inc.
    JavaScript, HTML, CSS, Webpack, Chrome Extensions, Firefox Extensions...
  • Apollo.io
    React, Redux, Chrome Extensions, ES7, Agile, GitHub, Visual Studio Code...
  • Telegraph Creative
    React Native, React, Node.js, Vue, Agile, Next.js, Express.js, GitHub...



Rockingham, Australia



Preferred Environment

React, Angular, Vue, Node.js, JavaScript, TypeScript, Next.js

The most amazing...

...and popular solution I've worked on is a web app and a Chrome extension app for Apollo.io., which has more than 100,000 active users.


  • Browser Extension Engineer

    2022 - 2022
    PixieBrix, Inc.
    • Created a prototype of inferred selector in the PixieBrix Chrome extension.
    • Implemented style isolation with the help of React Shadow DOM for a UI automation startup.
    • Updated the logic of selecting similar elements in the website using lower code.
    Technologies: JavaScript, HTML, CSS, Webpack, Chrome Extensions, Firefox Extensions, TypeScript 2, jQuery, Chrome API, Tailwind CSS, TypeScript, Cypress
  • Senior Front-end Engineer

    2021 - 2022
    • Worked as a senior front-end developer on building a sales intelligence and engagement platform.
    • Used React, Redux, and other libraries to implement a sleek and modern UI/UX.
    • Contributed to building an industry-leading Chrome extension app that achieved over 100,000 active users.
    • Implemented Gmail and Google Calendar extensions as part of my role.
    • Applied Cypress testing framework for end-to-end and regression testing.
    Technologies: React, Redux, Chrome Extensions, ES7, Agile, GitHub, Visual Studio Code, JavaScript, CSS, HTML, GraphQL, Apollo, TypeScript, AWS Lambda, Amazon Web Services (AWS), Cypress
  • Senior Front-end Developer

    2017 - 2019
    Telegraph Creative
    • Built customized, well-structured, and maintainable components throughout a mobile app using React Native and Node.js.
    • Focused on improving UI/UX with the introduction of styled components.
    • Integrated unit testing and end-to-end testing using Jest and Enzyme.
    Technologies: React Native, React, Node.js, Vue, Agile, Next.js, Express.js, GitHub, Visual Studio Code, ES7, JavaScript, CSS, HTML, Amazon Web Services (AWS), PHP
  • Front-end Developer/Full-Stack Developer

    2014 - 2017
    • Cooperated with designers to create clean interfaces and simple, intuitive interactions and experiences.
    • Worked with a senior developer to manage large, complex design projects for corporate clients.
    • Completed detailed programming and development tasks for the front-end app as well as challenging back-end server code.
    • Covered unit tests to discover errors and assure quality.
    Technologies: React, Redux, Node.js, PostgreSQL, Express.js, TypeScript, Agile, GitHub, Visual Studio Code, ES7, JavaScript, CSS, HTML, MongoDB Atlas, AWS Lambda, Amazon Web Services (AWS), PHP
  • Web Developer

    2011 - 2013
    Blue Butterfly
    • Worked as a front-end developer for building single-page applications and SaaS products.
    • Focused on AngularJS, model-view-controller (MVC)-based frameworks, and Node.js.
    • Built highly responsive and pixel-perfect UI/UX, user-intuitive graphs, and data visualizations.
    Technologies: AngularJS, Web MVC, Node.js, GitHub, ES7, JavaScript, CSS, HTML, MongoDB, Vue 2, Firebase, Angular, TypeScript, ASP.NET, PHP


  • StudyKIK

    StudyKIK is a React-based web app for patient recruitment service that helps users find a study that's right for them and is committed to making the process of finding and joining a clinical trial safe, secure, and easy to understand.

  • Apollo Email Finder and Open Tracker

    Apollo.io is a sales intelligence and engagement platform. I was responsible for building a 100,000+ active users Chrome extension app cloned from the web app. I worked with the team to build a solid app with high user reviews.

  • Lottery Widget

    I created a React and TypeScript-based lottery widget for a well-known company. I used React/Redux, TypeScript, and Node.js, implemented server-side rendering (SSR), and applied sleek UI design, pixel-perfect, responsive, and modern styles.

  • Chrome Extension for a Low-code Platform for Extending the Web Application

    I contributed to the open source Chrome extension project, which included building and extending new functionalities and features in the existing product. I also polished the product's styles and look and feel and reviewed the code with the team members.


  • Languages

    ES7, JavaScript, CSS, HTML, PHP, TypeScript, TypeScript 2, GraphQL
  • Frameworks

    Redux, React Native, Cypress, Bootstrap, Express.js, AngularJS, Tailwind CSS, Angular, ASP.NET, Laravel, Next.js
  • Libraries/APIs

    React, Node.js, Vue 2, Vue, jQuery, Chrome API
  • Tools

    Slack, GitHub, Webpack, MongoDB Atlas
  • Platforms

    Visual Studio Code, Amazon Web Services (AWS), AWS Lambda, MacOS, Firebase
  • Other

    Software Engineering, Web Development, Chrome Extensions, Networking, Web MVC, Firefox Extensions, Apollo
  • Paradigms

  • Storage

    PostgreSQL, MongoDB


  • Bachelor's Degree in Computer Science
    2006 - 2008
    University of Technology Sydney - Sydney, Australia

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