Researcher
TMAX WAPL2020.09 - 2021.08*Collaboration Tool: TMAX WAPL CI/CD DevOps Developer* - Built Harbor Private Docker Registry with Helm Chart - Established Webtob-Jeus-Tibero web service mesh on HyperCloud K8S - Automated image builds using Jenkins and Docker - Configured a desktop service mesh for installable products using Docker-compose *Collaboration Tool: TMAX WAPL Drive Module Backend Developer* - Developed the Drive Module service using Spring, Java, ProObject, and Tibero - Designed the ERD for the Drive Module service - Implemented file metadata CRUD, file upload/download, and folder compression download TMAX SUPERAPP2021.09 - 2024.10 (3 years)*Comprehensive Solution App: TMAX SUPERAPP CI/CD DevOps Developer* - Designed the initial system server architecture for the product - Purchased domain names, issued SSL/TLS certificates, and applied them to the ISTIO gateway - Automated K8S deployment using GitLab CI/CD, ArgoCD, and GitOps - Configured service mesh for Httpd, Tomcat, and Tibero using ISTIO *Messenger Module Backend Developer* - Developed the Super App Talk module using Spring, Java, JPA, QueryDSL, and Tibero - Designed the ERD for Super App Talk - Implemented CRUD for messages, voting, and announcements - Developed the message unread count feature *Authentication Server Backend Developer* - Developed the authentication server using Java, JPA, QueryDSL, and Tibero - Designed the ERD for the authentication server using draw.io - Architected the authentication server based on connection & JWT - Designed for duplicate logins using device and access IP information - Implemented QR login, TOTP, GPS-based login, and biometric authentication *Real-time WebSocket FCM Message Push Server Backend Developer* - Developed a real-time message push server using Java, Redis, Tibero, and FCM - Optimized the design for high-capacity push servers - Conducted load testing for the WebSocket push server
