Max

Backend Engineer  ·  7+ Years Experience

Taipei, Taiwan yescooler7985oh@gmail.com
About

Backend engineer with 7+ years building high-concurrency systems, financial platforms, and real-time data pipelines. Currently working as associate lead engineer, integrating LLM tools (Claude, Codex) into product development workflows. Strong foundation in Java and Spring Boot backend systems, with hands-on experience in Node.js, Vue.js, Redis, Kafka, and distributed architecture.

Skills
Backend
Java Spring Boot Hibernate Redis Kafka ElasticSearch Golang Node.js RabbitMQ WebSocket
Database
MySQL PostgreSQL MongoDB
Frontend
Vue.js Angular RxJS
DevOps
Docker Jenkins AWS Git
Experience
Associate Lead Engineer Sep 2025 – Present
Knowhow Tech  ·  Taipei
  • Full stack development with Node.js backend and Vue.js frontend
  • Integrated LLM capabilities (Claude API, Codex) into product workflows to accelerate development and automate repetitive tasks
  • Took on lead engineering responsibilities including code review and cross-team coordination
Node.js  ·  Vue.js  ·  Claude API  ·  Codex
Backend Engineer Oct 2021 – Aug 2025
Chuang Hui Technology  ·  Taipei
  • Led full development cycle of a high-traffic real-time data platform — from initial architecture to stable production launch
  • Built a monitoring and analytics system with real-time profitability tracking; used Redis Lua scripting to resolve high-concurrency calculation conflicts across distributed services
  • Designed multi-cluster architecture enabling horizontal scaling across independent platform instances
  • Developed automated external data ingestion service, WebSocket-based real-time chat room with social engagement features, and unified account wallet integration
  • Managed product requirement analysis, sprint planning, and cross-team task coordination
Java  ·  Spring Boot  ·  Redis  ·  Kafka  ·  ElasticSearch  ·  Golang  ·  MySQL  ·  WebSocket  ·  Vue.js  ·  Node.js
Backend Engineer May 2021 – Oct 2021
eftPay Asia Taiwan Branch  ·  Taipei
  • Maintained payment processing systems and ERP platform for a fintech company
  • Built scheduled jobs to ingest and categorize transaction data from external APIs into MongoDB and PostgreSQL
  • Implemented factory pattern for multi-provider payment routing (Alipay, WeChat, and others) with reconciliation logic
Spring Boot  ·  Mybatis  ·  MongoDB  ·  PostgreSQL
Web Engineer Aug 2018 – Apr 2021
SoftPower Technology  ·  Taipei
  • Developed golf tournament management system, medical community platform, and ticketing system
  • Implemented real-time score synchronization via WebSocket across tablets, large displays, and PCs
  • Integrated Alipay and PayPal Subscriptions with auto-renewal and expiry validation logic
  • Built async email delivery pipeline with RabbitMQ; designed interactive SVG seat-selection with zoom and binding
Angular  ·  Spring Boot  ·  Redis  ·  RabbitMQ  ·  MySQL  ·  Hibernate
Education
Institute for Information Industry (資策會)  ·  Zhongli
Java Cloud Development Training Program  ·  2018
Chinese Culture University  ·  Taipei
B.S., Forestry and Natural Conservation  ·  2008 – 2012
Contact
yescooler7985oh@gmail.com
cv.xmoneydoge.com