Yongwoo Jeon Email & Phone Number

While my technical background is primarily in front-end development, I am currently leading an engineering organization with a diverse set of technologies. Additionally, I can lead projects with other professions, such as designers, to create products. My greatest strength lies in quickly learning and adapting to unfamiliar domains, and I have expertise in transitioning legacy systems to new technologies.# AS Leader- Collaborated with Designers to Build Design System : Developed and integrated a design system into legacy platforms, enabling the collection and analysis of diverse UI data.- Led Multi-Technology Engineering Projects : As a Multi-Technology Engineering Lead, I directed teams across various development layers, including edge servers, front servers, and front-end development, to create a robust service.- Educator and Interviewer in Technical Domains : Conducted technical interviews and led educational initiatives, significantly contributing to the development and growth of the technical team.# AS Engineer- Implemented A/B Testing Platforms : Established robust A/B testing infrastructure, involving traffic assignment and portal management, to optimize user engagement and product evolution.- Developed JavaScript Frameworks and UI Components : Focused on JavaScript Core Framework development, creating scalable and reusable UI components that accelerated front-end development processes.- Engineered Single-Page Applications (SPAs) : Designed and deployed high-performance SPAs, similar to GMail, optimizing load times and enhancing user interactions.- Conducted Performance Analysis and Troubleshooting : Specialized in front-end and Node.js performance tuning, alongside managing DevOps processes including Docker, Kubernetes, CI/CD, and monitoring systems.- Contributed to Open Source and Inner Source Initiatives : Actively engaged in open source projects, leading the development of 'egjs' (opensource project) and promoting inner source culture within the organization.

Listed skills include Javascript, Css, Html 5, Functional Testing, and 16 others.