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Joey Liu
Software Developer

About

A results-oriented developer who has an obsession with code quality and a strong sense of ownership.

Work Experience

November 2018 – Present
Senior Frontend Software Engineer
Highlights
  • Broadcasted a dozen of front end related talks regarding internal website best practices
  • Led and launched multiple internal websites and expand them to 23 different regions
  • Achieved full CI/CD by setting up website black-box tests and canaries with Cypress
  • Proactively improve customer experience by setting up client-side metrics and monitor them from CloudWatch dashboards
  • Demonstrated JSON auto form concept with a POC which saved hundreds of development hours
  • Drastically improved customer experience by combining multiple web apps into a single page application
  • Solved front end cache inconsistency permanently through CloudFront integration
  • Participated and won AWS hackathon 3 years in a row
September 2015 – November 2018
Full Stack Developer
Highlights
  • Brainstormed and delivered Access Control List (ACL) system which supports privilege customization for pages/features/commands
  • Deployed an internal app written in Node.JS which provides seamless collaboration between developers and QAs
  • Optimizing SQL query to reduce the loading time for serval pages by up to 80%
  • Reduced the loading speed of all dashboard pages from 8 to 1 seconds while implementing responsive design for friendly UX
  • Solved complex technical issues on production environment by setting up screen sharing sessions with customers
  • Hired/mentored junior developers and provided guidance through code review while constantly assigning tasks to them
May 2014 – September 2015
.NET Developer
Highlights
  • Achieved 3 times faster application loading speed by centralizing WCF services with LINQ classes.
  • Responsible for the design and development of the scheduling module using Telerik RadScheduler.
  • Reduced the loading time for batch print forms by 70% through redesigning the print form module
  • Created windows form app for search & replace complex patterns in files as well as database update.
February 2014 – May 2014
Ruby on Rails Developer
Highlights
  • Ramp-up efficiently and able to produce production-ready code in a timely manner
  • Implemented numerous enhancements and provided creative UX design for multiple projects.
  • Maintained highly distributed Rails web applications for several high performances, high traffic live sites
  • Collaborated with PM and UX designer regarding product definition, schedule, scope, and project-related decisions.

Awards

  • June 2019

    AWSMP

    AWS Marketplace Operation Wizard

    Implemented award-winning hackathon chatbot project powered by Amazon Lex

  • August 2020

    ASI

    AWS Safty Infrastructure 2020 Hackathon Winner

    Delivered neuro-linguistic programming project for automatic sensitive data detection

  • July 2021

    ASI

    AWS Safty Infrastructure 2021 Hackathon Winner

    Design and implemented multi-layer comment feature with rating system within two days

Education

  • 2009 2013

    University of British Columbia

    Bachelor

    Computer Engineering

Skills

Languages
TypeScript JavaScript Python Java C# HTML5 CSS3 SASS Ruby
Database
DynamoDB Sqlite3 PostgreSQL MySQL MongoDB
Methodologies
TDD OOP Agile Revealing Module Design Pattern
Frameworks
Cypress Django Python ASP.NET Node JS Ruby on Rails Flask WordPress
Development Tools
Intellij IDEA Vim Zsh Visual Studio Chrome Dev Tools Atom Jenkins Photoshop
Operation Systems
Mac Ubuntu Linux Windows
Libraries
React Webpack Vue.Js Angular jQuery Lodash D3 Gulp Kendo UI Express
Version Controls
Git SVN TortoiseSVN
Code Review
Gerrit ReviewBoard/RBTools

Interests

Outdoor
Hiking Travelling
Reading
Clean Code Clean Coder Code Complete 2