Senior Software Engineer | 9+ Years of Experience
- Backend: Node.js, TypeScript, C#, Move (Sui), Microservices, RESTful APIs
- Database: MySQL, PostgreSQL, Schema Design, Index Optimization
- Infrastructure: AWS (ECS, SQS, RDS), Terraform (IaC), Docker, GitHub Actions
- Quant: Financial Backtesting, API Integration (Bybit/Finlab), Risk Control
- Specialties: Automated Testing (90% Coverage), PID Control, RS232, LLM Agents
Jan 2024 – Feb 2026
- High-Reliability Payment Architecture: Integrated payment gateways (Stripe, Wise) using Adapter patterns. Designed a dual-layer reconciliation system with Webhook (event-driven) and cron-based async repair to ensure eventual consistency and guaranteed idempotency.
- Database Schema Design: Designed primary keys, foreign keys, and indexes based on data access patterns. Built MySQL/PostgreSQL schemas that balance query performance with data integrity.
- Infrastructure as Code: Managed scalable ECS/RDS/SQS stacks via Terraform Modules, maintaining 99% SLA and consistent environment parity.
- Performance Engineering: Conducted heap snapshot analysis to diagnose memory leaks, reducing memory usage from 40% to 3%; achieved 90% unit/integration test coverage.
Mar 2020 – Jan 2024
- High-Performance Engine: Implemented Unity ECS with custom 2D rendering and physics. Leveraged the C# Job System to scale entity processing from 100 to 2,000+.
- Framework Design: Established DI (Zenject) and MVC patterns to decouple legacy code; designed a Google Sheets-driven workflow to enable data-driven development.
- Cross-Platform Strategy: Encapsulated core combat logic into a shared C# codebase, ensuring consistency between the Unity client and .NET backend.
Nov 2018 – Mar 2020
- Hardware-Software Integration: Developed a custom Keyframe Editor for industrial robots at National Taichung Theater. Implemented PID control algorithms for a kinetic installation at TFAM, stabilizing motor output via real-time feedback.
- Multimedia Pipeline: Engineered a low-latency pipeline using Texture Sharing and Shader-to-DMX for real-time light/projection synchronization; implemented Python-based audio routing.
- Asobimo, Inc. (Japan): Rebuilt combat editors using Unity Timeline and developed Behavior Tree AI modules.
- SEGA (Japan): Developed facial animation tools for the Technical Artist team on the Yakuza series.
- Quant Trading: Achieved +59.0% annual return, -21.3% MDD, and 2.2 Sharpe ratio in Taiwan's stock market.
- Sui Infrastructure: Built a custom Indexer for optimized blockchain data retrieval; managed AWS infrastructure via Terraform.
- AI Astrology: Engineered a Zi Wei Dou Shu engine with LLM-based agentic workflows for structured fortune analysis.
- M.S. in Networking and Multimedia, National Taiwan University (2014 – 2017)
- B.S. in Computer Science and Information Engineering, National Taiwan University (2010 – 2014)