JIMMY CHENG

• Provide a booking management system for Food and Beverage service
• Provide good quality products which serve to 4+ countries in APAC, avg. 38K reservations created per day in 2019
• Work with remote team member located in New York
• Create Customer Service Guideline, planning how to handle customer service
• Planning API implementation guideline for develop team, separate single controller into several layers in API

• Build a staging environment with our infrastructure stack
• Integrate with Loader.io for the purpose of testing like stress testing, performance testing
• Integrate with CircleCI, make performance testing as one of our CI/CD pipeline
• Planning near-production data cloning and generating in staging environment

• Gathering data from client (iOS App) and server, compare the difference to determine the data synchronization status
• Measure latency between client and all cloud services, visualize in Kibana, populate data to Stackdriver and setup alert
• Determine the bottleneck, keep optimize our service

• Maintain and handle the current billing process
• Planning new billing system and accounting system, automate manual works including calculations, payment and invoicing, handling complicate pricing model

• Use Node.js, Express.js, Gulp.js, React, Redux, Pug, MongoDB, Redis
• I'm in charge of back-end and front-end development

• Customer service system
  • Front-end and back-end development for the chat room, analysis system, reporting system
  • Using Socket.io to communicate between client and server side
• Real-time chat system
  • Front-end and back-end development for the landing page, admin dashboard, chat room
  • Using Socket.io to communicate between client and server side
• Recommendation system in lottery game
  • Back-end develop for gaming logic implementation, lottery drawing calculation
  • Using Electron to build client-side application

• Cooperate with front-end team and mobile application team

• Back-end API
  • Develop and maintain API
  • Optimize MySQL query
• Crawler service
  • Crawl target website periodically with task manager
  • Implemented data validation, prevent fake result from spam website
  • Implemented a simple failover for all crawler server with Heartbeat Mechanism
• API for iOS and Android App
  • Optimize response data content, decrease network throughput
  • Implemented API version control system
  • Implemented App version control system, can do live(hot) update, support app rollback without re-submitting for review

• Using Golang for back-end API development
• Using MySQL to store data, handling huge data by using index and partition
• Using Gulp.js to do the batch task

• Project management
• Business development
• System analysis and design

Contributed to outsourcing business

• Setup website infrastructure
• Developed websites using WordPress (PHP + MySQL)
• Customized the WordPress module, including administrator dashboard, membership level system, email system, online shop, crowdfunding platform
• Design website front-end layout
• Developed payment gateway plugin for WooCommerce (AllPay, PayPal, ECPay, Pay2GO, Spagateway)

• Developed Joomla's payment gateway plugin, using T-CAT (統一客樂得) Payment
• Developed WordPress plugin