
Jay Chen
Verified Expert in Engineering
React Developer
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.
Portfolio
Experience
Availability
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.
Work Experience
Senior Browser Extension Developer
Saverd, LLC
- Developed extension from the scratch using latest tech stacks in MV3.
- Updated and ported extensions to Firefox and Safari.
- Implemented an Authentication Layer in the extension for user authorization.
Browser Extension Engineer
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.
Senior Front-end Engineer
Apollo.io
- 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.
Senior Front-end Developer
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.
Front-end Developer | Full-stack Developer
StudyKIK
- 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.
Web Developer
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.
Experience
StudyKIK
https://studykik.comApollo Email Finder and Open Tracker
https://chrome.google.com/webstore/detail/apolloio-email-finder-and/alhgpfoeiimagjlnfekdhkjlkiomcapa?hl=en-USLottery Widget
Chrome Extension for a Low-code Platform for Extending the Web Application
https://www.pixiebrix.com/Skills
Languages
ES7, JavaScript, CSS, HTML, PHP, TypeScript, Python, 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, Auth0 API
Tools
GitHub, Webpack, GitLab
Platforms
Visual Studio Code (VS Code), Amazon Web Services (AWS), AWS Lambda, Firebase
Other
Software Engineering, Web Development, Chrome Extensions, Firefox Extensions, Apollo, Safari Extensions, APIs
Paradigms
Agile
Storage
PostgreSQL, MongoDB
Education
Bachelor's Degree in Computer Science
University of Technology Sydney - Sydney, Australia