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Ethan Lee, JavaScript Developer in Singapore, Singapore
Ethan Lee

JavaScript Developer in Singapore, Singapore

Member since October 26, 2017
Ethan is a full-time freelancer with eight years of experience with Ruby on Rails, JavaScript, and their frameworks. With a passion for programming and good problem-solving abilities, he is highly motivated and able to handle a broad range of tasks.
Ethan is now available for hire



  • JavaScript, 8 years
  • Ruby, 6 years
  • Ruby on Rails (RoR), 6 years
  • React, 3 years
  • Python, 3 years
Singapore, Singapore



Preferred Environment

Linux, Mac, Windows, Sublime, VS code, Vim

The most amazing...

...thing I have coded is a new ephemeral cryptography system using bit-wise encryption.


  • Web Developer

    2018 - 2018
    • Created the stylesheet for common typography and colors.
    • Built pages with parallax effect and reusable UI components in React.
    • Reduced page loading time by optimizing static resource.
    • Added analytics and tracking to each page.
    Technologies: Node.js, React, HTML, CSS
  • Web Application Team Lead

    2014 - 2017
    Globesoft Services Pte Ltd
    • Created high-performance, reusable code for the UI in React.
    • Developed multiple web apps from scratch, starting from the requirements gathering phase to the application design and development.
    • Configured and scaled all our clients' hosting infrastructure based on Linux machines, managing all the required redundancy, high availability, and backup strategies.
    • Created cross compatible monitoring application that runs on both Windows and Mac.
    • Configured and scaled all our clients' cloud resources including AWS, Heroku, and Cloudflare.
    • Configured client's CI/CD using Docker, Kubernetes, TravisCI, and Go Pipeline.
    • Worked with Ruby on Rails for API gateway and created micro-services using Python Flask.
    • Worked with Django Rest Framework to create REST API for single page application using Angular.js as client-side framework.
    Technologies: Ruby on Rails, React, Angular, Django, JavaScript, Python, Flask
  • Web Developer

    2011 - 2012
    Kelly Services Singapore
    • Created JavaScript testing, component testing, and acceptance testing.
    • Integrated multiple third-party APIs using the OAuth.
    • Built mobile-first responsive design.
    Technologies: HTML, CSS, JavaScript, Node.js


  • Bossranger (Development)

    Bossranger is a platform that helps poker players read an opposing player's hand. It contains actual player's play history in great poker games.

  • Fansi (Development)

    Fansi allows artists to create a new mobile app through a wizard for their fans. It handles a large scale user base and includes multi-tenant web application in addition to ElasticSearch.

  • The Dressing Room App (Development)

    It provides a social network of fashion for teenagers. Created with REST API for iOS app.

  • Fix Your Pic Tool (Development)

    This is a tool that helps users (mostly real estate agents) to create a perfect picture. I improved the UI for users to upload photos and built a better CRM.

  • Gravel Data Road Lab Website (Development)

    This is a company website that showcases their products related to encryption.

  • Ephemeral Encryption System (Development)

    Created encryption using bit-wise operation with high speed and efficiency. Conducted real-time messaging, live video, and audio chat.

  • Singapore Real Estate (Development)

    It is Singapore's fastest growing property portal.

    It provides the best way to find houses, condominiums, apartments, and HDBs for sale and rent in Singapore.

    Built with React and Express.js.

  • Apollo Website (Development)

    Created the Apollo website in React for Zenprospect. Inc.

    Used React, Node.js, SASS, Webpack.


  • Languages

    HTML5, Python, JavaScript, Ruby, TypeScript, CSS3, Haml
  • Frameworks

    Ruby on Rails (RoR), Django, Angular
  • Libraries/APIs

    React, Stripe, jQuery, Facebook API
  • Tools

    GitHub, VS Code, Git, RubyMine, Sublime Text
  • Platforms

    Linux, MacOS
  • Storage

    Elasticsearch, PostgreSQL, MySQL, Redis, MongoDB
  • Paradigms

    Unit Testing, Agile Software Development


  • Bachelor's degree in Computer Science
    2006 - 2010
    National University of Singapore - Singapore
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