Quality Assurance at Toss (Viva Republica) (2025-05 – 2026-02)
- I managed the quality of Toss, a mobile fintech app with over 30 million users.
- Executed full regression & exploratory testing (1,400+ Android/iOS test cases) for weekly releases, ensuring release stability at scale.
- Identified and verified critical issues (e.g., app crashes) before launch, contributing to reduced post-release hotfixes.
- Maintained QA documentation and supported release process as rotating Test Case Master.
Quality Assurance/Quality Control at Shinhan Bank
Military Mutual Aid Association Project
- Performed QA/QC for a government-related financial accounting system.
Coding Instructor at Coding Academy (2022-04 – Present)
- I teach coding to students from kindergarten through high school.
- Through parent consultations and student management, increased the number of students by over 150%.