Tseng, Ching-Hung

Experienced Web developer possessing solid web development skill with a demonstrated experience of working in Fintech domain building interactive and large scale web application. Daily work includes maintaining and creating web based application, collaborating with operation team to improve operation efficiency, testing web app and troubleshooting any problems as soon as they are identified.

  Taipei, Taiwan  

Working Experience

Nov. 2019 - Aug. 2020

Full-Stack Engineer


1. Collaboration with technique team to create Fintech web application
2. Implementing wysiwyg editor and improve 80% efficiency between cross-site collaboration
3. Implementing calendar for duty shift plan and improve 50% operation team management
4. Implementing order inquiry in chat system and reduce operation time in half
5. Refactoring front-end project for React hooks
6. Refactoring front-end component library for Material-UI

Aug. 2019 - Oct. 2019

Back-End Engineer


1. Refactoring car rentals project for new business model
2. Connecting Stripe payment api
3. Connecting Twilio sms api

May 2019 - July 2019

Back-End Engineer


1. Connecting Ronglian sms api

Oct. 2018 - May 2019

Back-End Engineer

Parcel Santa(WMG)

1. Maintaining parcel delivery app
2. Connecting FOMO pay api
3. Implementing account management function

May 2013 - Nov. 2017

Project Engineer


1. WiFi/BT SiP module development
2. Project management in sample build and CE/FCC/BQB certification
3. Firmware porting and update
4. Integration test in RF performance
5. Product specification documentation release


Calendar for duty shift plan

Integrating fullcalendar third-party library to implement calendar including creating shift plan, clock in/out and dynamic operation button.

Wysiwyg editor

Integrating react-markdown and react-codemirror2 third-part library to implement WYSIWYG editor including word edition, image upload and data persistence in database.


React & JavaScript

  • ES6 Promise / Async Await
  • Fetch API
  • React hooks
  • React Router Dom / React Router Config
  • Material-UI
  • CssInJS


  • Koa
  • Express
  • RESTful API
  • Mongoose
  • Formidable
  • Cookie-Session
  • JWT


  • MongoDB
  • Redis


  • Webpack
  • Http-proxy-middleware
  • Nginx
  • VS Code
  • Eslint, Prettier
  • Git flow


  • local storage, session storage, transform, transition, etc.
  • CSS selector


Department of Electrical Engineer - Feng Chia University


2008 - 2010

Department of Electrical Engineer - Feng Chia University


2004 - 2008

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