My Work Experience

• Jun 2024 — Present

  System Development Specialist • City of Toronto

  • Worked with multiple cross-functional teams to develop Rental Renovation Licence project under tight deadline
  • Participated in building a new React based framework using Micro Frontend and Module Federation
  • Helped build and improve an existing internal Web Components UI library using Stencil and TypeScript
  • Worked alongside numerous business teams to help build AODA compliant and reliable web apps
  • Researched on modern technology trends and provided recommendations to management
  • Wrote detailed documentations on my work and used JSDoc annotation for my entire codebase

  • React
  • TypeScript
  • Node.js
  • Micro Frontend
  • Module Federation
  • Stencil
• AUG 2023 — Jun 2024

  Full Stack Developer • Freelancing

  • Developed full-stack solutions for numerous clients using React, Next.js and Express
  • Worked with a previous company on their SaaS products

  • React
  • Next.js
  • Vue
  • TypeScript
  • Node.js
  • GraphQL
  • MongoDB
  • PostgreSQL
• MAR 2022 — SEP 2022

  Frontend Tech Lead (GCB4) • AIA Information Technology (Beijing)

  • Managed a team of four to develop an internal UI framework (Vue 3 and React) consisting of 120+ components
  • Wrote unit test (Jest) and Storybook for all components and E2E test (Cypress) for organism level components
  • Conducted code review for the entire team and collaborated with two external teams in different countries
  • Integrated a new component design review process which increased efficiency and accelerated dev timeline
  • Experimented on GraphQL, MongoDB, NestJS and Kafka for in-house applications
  • Implemented CI/CD pipelines to automate unit testing and E2E testing
  • Advised three cross function teams on their technical decisions and development plans

  • Vue
  • React
  • TypeScript
  • Node.js
  • GraphQL
  • MongoDB
  • NestJS
  • Kafka
• JAN 2017 — MAR 2022

  Senior Frontend Developer • Donglong Technology (Beijing)

  • Designed and developed the Agriculture Supply Sales Management SaaS Platform for web and mobile
  • Completed two major overhauls for the SaaS product and added professional financial and accounting modules
  • Utilized Vue.js (v2&v3), React, Flutter and WeChat Mini Program to build multiple web and mobile applications
  • Built an entire Bluetooth printer SDK in JavaScript with ESC and TSPL commands support

  • Vue
  • React
  • Angular.js
  • Node.js
  • MySQL
• JAN 2016 — JAN 2017

  Frontend Developer (P6) • Hujiang Education (Shanghai)

  • Independently built English Level Evaluation Systems for Children and Adults which are still in use to date
  • Collaborated with core data team to design and build the internal question bank system
  • Built a web scraper using Python to automatically collect and store questions which greatly simplified the workload of the question bank team
  • Created a conceptual mobile app that recognizes and solves mathematic problems using OCR by taking photos

  • Vue
  • Angular.js
  • Python
• MAR 2015 — SEP 2015

  Android Developer • Vodafone New Zealand

  • Maintained "My Vodafone" app
  • Assisted converting the original PhoneGap based hybrid app to a native Android app which significantly improved app performance and Play Store ratings
  • Helped the frontend dev team build the internal customer service management platform

  • Java
  • PhoneGap