Youngjun Kim Email and Phone Number

Blue Hawaii Site: Developed SPA for ADMIN, Web, and Mobile platforms, facilitating product display and sales. Utilized NextJs for superior SEO and Java Spring Boot for backend operations.Enterprise Resource Planning(ERP): Designed and implemented ERP system using TypeScript, View 3, and Java Spring Boot, integrated with MSSQL database. Ensured seamless resource management and business process optimization.Responsibilities:-Lead frontend developer with involvement in backend functions.-Provided active on-call support for website errors, ensuring uninterrupted functionality and user -satisfaction.-Designed user interfaces for optimal user experience, addressing both customer and ADMIN requirements.-Debugged post-deployment issues and maintained website performance.Collaborated with the Operation team to implement website functionalities.

Single-page Application: Developed application for managing product costs and sales for sports retailers, incorporating features like social sign-up, QR code generation, and Intercom integration.Responsibilities:-Redesigned website CSS for consistent look and feel across browsers.-Extended virtual DOM with ReactJS for single-page applications.-Implemented middleware like Redux-Saga and Redux-thunk for data retrieval.-Provided feedback on user interfaces and experiences.-Monitored website performance and resolved front-end issues.

● Audited networks and security systems to identify vulnerabilities.● Improved operations by working with team members to find workable solutions.● Analyzed system risk to identify and implement appropriate security countermeasures.