Cheng-Che Cheng

Experience

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  WebComm Technology 偉康科技

  Feb 2014 - May 2017

  System Developer

  Designing and developing high-volume, low-latency applications,Building reusable code and libraries for future use,Develop mobile native and mobile web applications,Articulate client requirements into technical architecture

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  NewsLeopard Inc. 電子豹

  May 2017 - Jul 2024

  Technical Lead

  • Developed an intuitive, Angular-based email composer, increasing user adoption by 60%, facilitatingthe creation of compatible emails.• Improved development agility by 20% through sandbox environment for managed component reusability andfaster code compilation.• Upgraded user authentication methods to enhance security and prevent data breaches from XSS attacks.• Led major UI/UX refactoring, collaborating closely with designers and product managers, enhancing userexperience significantly.• Transitioned to Tech Lead, mentoring new hires and enhancing team productivity through effective codereviews and guidance.• Proactively considering multiple stakeholder perspectives based on the company's mission leads to morecomprehensive project strategies and increased user satisfaction.• Implemented a robust backend with AWS for batch processing and event handling, ensuring HA during peakloads over 200+ QPS.• Engineered a token dispatch module improving email deliverability by over 10% during high-traffic periods.• Proactively implemented the BloomFilter with Redis, blocking 99% of database queries and eliminatingperformance bottlenecks.• Developed a robust webhook notification system to handle events that highly related to clients' billingprocess during high concurrency, increasing delivery rate from 70% to over 99%. Show less

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  Crypto.com

  Feb 2025 - now

  Senior Full Stack Engineer