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As an experienced software engineer with over 13 years of expertise in web service backend development, I have a proven track record in designing large-scale and highly available systems, implementing effective cybersecurity measures, and performing a range of DevOps tasks.

National Taiwan University

National Chung Hsing University

Senior Software Engineer

林谷原 (Eric)

ShopBack 回饋網股份有限公司

- As tech lead of member service team, responsible for system design/code review, collaborating with 5 team members, and communicating across teams for technical direction.
- Responsible for critical user-related functions such as authentication & authorization, cyber attack protection, KYC, and OTP verification.
- Successfully maintained a high-traffic member service across 10 markets, with 32% of the company's overall traffic, achieved 7K PRS with P99 latency < 150ms during the biggest spike in event days.
- As a DevOps in team, I managed auto-scaling setup, Jenkins & Gitlab CI/CD pipelines, secret management, and achieved 20K CCU load test with 10K RPS.

台灣台北市

Responsible for Frontend, Backend, and DevOps on smart locker IoT application. Using PWA(Progressive Web App) to control smart lockers via MQTT protocol.
    • Implemented a backend service to manage all smart lockers and provide RESTful APIs for PWA. 
    • Built an IoT service on Raspberry Pi to control smart lockers and communicate with Backend / Frontend directly. 
    • Designed a PWA + SPA(Single Page Application) mobile web application for providing near-native apps user experience, also integrated multiple payment services, including credit card, LINE pay, EasyCard, and iPass. 
    • Designed automated deployment flows for Backend, Frontend and Raspberry Pi with Git version control. 
    • Applied TDD(Test-Driven Development) to system development and attained at least 80% coverage before releasing. 
    • Established a monitor/alarm mechanism for 660 smart lockers with a cloud log management system. 

Stack Swap Information Corporation

Full Stack Engineer

Sr. backend engineer for building an intranet communication platform.
    • Built a distributed storage service with GlusterFS to reduce CPU and IO usages 30% on average and solved critical issues caused by the legacy storage module such as kernel panic, thumbnail generation, and video transformation failure.
    • Redesigned a caching mechanism on major contents to reduce 50% latency on average.
    • Architected backend modules for asynchronous workers to consume tasks with auto-scaling. 

TrendMicro

Backend engineer for DevOps on mobile apps customization.
    • Implemented backend services to provide RESTful APIs to mobile apps, and generated interactive API documents automatically for the consistency between API documents and source code.
    • Deployed on cloud hosting services such as Heroku(PaaS), AWS(IaaS), and Linode(VPS). • Reduced API latency by utilizing profiling tools to find bottlenecks and Celery for asynchronous task processing. 
    • Tailor customer’s needs, designed software architecture, communicated and collaborated with 6 team members. 

Bravebot Intelligent Technology

Technical Manager

Software engineer for a real-time processing system for tracking and analyzing streams of events and deriving conclusions. 
   • Built the core processing engine with 10k events/sec throughput. 
   • Responsible for functional design and collaborated with 5 team members. 
   • Adopt Agile/Scrum for development and acted as the Scrum master. 

林谷原 (Eric)’s posts