Fullstack Engineer

KADOKAWA Taiwan, April 2021 - Current

KadoKado (Digital publishing platform)

• Built frontend components & backend APIs using React,GraphQL, Node.js, PostgreSQL, etc.
• Designed & Implemented the transaction system, enabling buying & renting chapters of books using points, as well as redeeming vouchers
• Introduced automated unit testing to backend service & repository layers using jest & github actions
• Implemented a backstage with React & Antd for editing content & generating/managing voucher codes
• Implemented frontend authentication components following OIDC
• Reduced cost significantly by uploading static files to Google Cloud Storage in CI flow for serving

Integration of Shopify & ERP

• Coded CronJobs to automatically crawl quantity of products from the supplier’s website with regex
• Automated the process of issuing invoices & updating shipment status by using webhooks and task queues
• Implemented an auto-login script for shopify users to login from KADOKAWA’s account center through OIDC

KTW Account (account center for all KADOKAWA’s services)

• Improved readability & maintainability of KADOKAWA’s account center by introducing Typescript
• Coded scripts using TypeScript to migreate member & bonus data from legacy Ecommerce site

Others

• Deployed and managed microservices with serverless architectureusing Google Cloud Platform
• Created/Updated CI/CD flows for some projects using Docker & GitHub Actions
• Deployed legacy websites on cloud VMs using Apache and updated/maintained them

Masters Student

University of Virginia, September 2019 - December 2020

• First semester:
  • NLP
  • Machine Learning
  • Geometry of Data
  • Design and Analysis of Algorithms
• Second semester:
  • Cyber forensics
  • Software Analysis
  • Computer Networks
  • Advanced Operating Systems
• Final semester:
  • Vision and Language
  • HCI

Backend Developer

Aurora Tech, November 2018 - July 2019

• Developed the backend API for a lottery game web app using PHP, Redis, RabbitMQ, and MySQL
• Implemented logic for computing bet results and updating player's pockets
• Improved the performance of some methods by over 200% by merging Redis and SQL requests
• Reduced redundant code by refactoring methods and classes
• Designed and implemented how to store and automatically update lottery statistics each term

Undergraduate Student

National Tsing Hua University, September 2014 - June 2018

• Assisted in the derivation of an algorithm for constructing neighbor-dependent node-weighted multicast trees
• Designed object-oriented program architecture and implemented simulation program using C++
• Automated test data calculation with Python and visualized the test results with Matlab