▶️ Platform EngineeringLead the establishment of the Platform team. Implemented SLI/SLO and seek with built dashboards and alerts, preventing two incidents. Introduced Fourkeys to measure sprint outcomes, identified development bottlenecks, and addressed them.▶️ MentoringMentored two interns, supporting their onboarding, goal setting, and daily inquiries.▶️ Tech Lead for new BusinessDeveloped "Wellness Supplement," a chatbot app from scratch, integrating LLM to implement cognitive behavioral therapy online in the mental health domain. Conducted PoCs with two companies, providing the service to over 100 users.

Develop a gaming account real money trade (RMT) marketplace platform in the C2C field.▶️ TnSLed the internal tool revamp in conjunction with the establishment of the TnS (Trust and safety) team. As the engineering lead in meetings with the CS team, achieved a 20% reduction in time costs.

- Identified scalability issues in the existing implementation and redesigned it to reduce the time complexity from O(N+NlogN) to O(N) and the space complexity from O(2N) to O(N). - Questioned the usage of the PR template and proposed changes, which were accepted, contributing to the cultivation of the team's culture.

- Led a corporate website creation project, successfully delivering two websites within a month.- Engaged in consulting for a femtech startup, conducting hypothesis validation and presentations, which led to securing a Proof of Concept order in 3 months.