As a Senior Software Engineer at 1Shop, my work is optimizing and enhancing the technical aspects of our eCommerce SaaS service.• Accelerating Development: Laverged Laravel and Google Cloud to boost development speed by 50%• Elevating Code Quality: Adopted efficient coding practices and adhering to coding conventions to significantly improve code quality and readability, leading to a reduction in unexpected errors.

As a freelance Software Engineer/Architect, I have been deeply involved in technical work, particularly with LanguageN (LanguageN.com), an English learning service.• Personalized Learning Engine: Used Elasticsearch to design and implement the core engine, enabling LanguageN to provide personalized learning content based on users' English abilities among millions of documents and thousands of keywords.• Full-Stack Development: Used Bootstrap, Tailwind, React, and Laravel to build the entire platform and administrative tools from scratch, covering UI/UX, performance optimization, architectural design, authentication, and scalability.• Mobile App Development: Used Flutter to develop and release mobile apps for both Android and iOS platforms.• Product Enhancement: Communicated industry insights, roadmaps, and product suggestions to the business owner, contributing to the overall improvement of the service.• User Engagement: Use React to integrate Google TTS and Youtube APIs and provide rich multimedia interactions and convenient language learning tools to adhere users to our platform.

At PayPal, I worked as an integration consultant, focusing on optimizing payment processes.• Checkout Optimization: Analyzed data from Tableau to optimize the checkout flow to increase conversion rates and payment volume, and reduce drop rates for over 20 merchants in Korea, Hong Kong, and Taiwan.• Custom Solutions: Analyzed business models and developed customized payment solutions for channel partners, including payment gateways, financial institutions, and system aggregators.• API Playground: Developed the API playground, a user-friendly platform that facilitated the integration of new products, streamlined checkout scenarios, and aided in troubleshooting merchant issues.

As a Senior Release Manager at Yahoo, I focused on streamlining the release process.• Client Communication: Effectively communicated and coordinated with multiple engineering and production teams, ensuring smooth project deliveries.• Jenkins Implementation: Established Jenkins for continuous integration, resulting in a 50% increase in operational efficiency and a 75% reduction in engineering production verification time.

As a Software Engineer at Yahoo, I actively engaged in technical work.• ProducerDesktop2 Integration: Introduced ProducerDesktop2, a publishing platform, and integrated to the E-commerce team, conducting seminars and demonstrations.• Editorial Tool Development: Leveraged ProducerDesktop2 to create an Editorial Tool for E-commerce, increasing advertising revenue by $0.62M, reducing yearly expenditure by $0.12M, and simplifying content editing processes.• Data Analysis: Applied collaborative filtering techniques on Hadoop to analyze petabytes of reading histories and provide real-time personalized news suggestions.

At Pegatron, I actively collaborated with developers and panel vendors to drive efficient technical solutions.• Board Support Packages Release: Coordinated with developers to ensure accurate delivery of board support packages in a fast-paced ecosystem.• Firmware Development: Enhanced processes to build multiple firmware from a single code base, optimizing efficiency.• Vendor Collaboration: Collaborated with 5+ panel vendors, including top vendors Toshiba, Epson, and Samsung, to implement the latest display technologies.

• Led a team of 5 students in the development of a blog and album system, catering to faculty and student needs.