Shao-Chun Lu
Backend Developer
Technical Skills
Python
Go
TypeScript
Node.js
SQL
Erlang
Django
FastAPI
Flask
Celery
PostgreSQL
MongoDB
MySQL
AWS
Docker
GitHub Actions
Microservices
System Design
Distributed Systems
Performance Optimization
Professional Experience
Apr 2022 – May 2025
Cloud Software Developer / Service Lead
Ubiquiti Inc.
Taipei, Taiwan
- Led the design and operation of a high-throughput, highly available backend handling 10M+ daily requests
- Introduced FIDO-based authentication to enhance security and streamline the login experience across services
- Conducted load testing and tuning, improving system performance benchmarks by 50%
- Optimized core APIs to reduce latency by 50% via query optimization and caching strategies
- Spearheaded the end-to-end migration of the AWS production environment to a new dedicated account
- Architected and implemented a new event-driven data pipeline from scratch, enabling real-time anomaly detection
Jan 2018 – Apr 2022
Senior Backend Developer
EMQ Co., Ltd.
Taipei, Taiwan
- Developed integration pipelines with external vendors and built fault-tolerant infrastructure for retry mechanisms
- Designed and implemented an AML engine and workflow system, improving KYC flow efficiency by 2x–5x
- Optimized PostgreSQL queries, resolving deadlocks and long-running transaction issues
- Reduced testing and build times by 50% through test suite refactoring and caching
- Decomposed a monolithic legacy core system into microservices, doubling development velocity
- Built and published a community-supported Erlang runtime for Apple M1, shared publicly on Medium
Jul 2017 – Sep 2017
Senior Engineer
Trend Micro Inc.
Taipei, Taiwan
- Rewrote legacy scripts in Python and integrated internal systems, reducing deployment time from 90 minutes to 2 minutes
Nov 2013 – Jun 2017
Senior Backend Engineer
iCHEF Co., Ltd.
Taipei, Taiwan
- Migrated MongoDB replica sets to larger configurations with zero downtime
- Refactored the entire AWS infrastructure to improve scalability, reliability, and performance (3–5× increase) while reducing operational costs by 50%
Dec 2010 – Oct 2013
Associate Researcher
Central Weather Administration
Taipei, Taiwan
- Developed a high-accuracy, high-performance seismic auto-picking system, reducing manual workload by 87%
- Achieved 60% detection accuracy overall and 100% accuracy for seismic events above ML 3.0
Education
M.S. in Space Science
National Central University, Taiwan
Sep 2008 – Jun 2010
B.S. in Applied Physics
National Pingtung University, Taiwan
Sep 2004 – Jun 2008