・Developed and deployed an investigation tool to prevent fraudulent returns and refunds by malicious users, aggregating useful data and statistics across the system. ・Designed the interface and data structure from the backend API calls in Java to the frontend UI, applying the design patterns to make the tool easily scalable and customizable.

Deployed a topic recommendation system based on users’ interests using big data and neural networks, achieving almost x2 CTR.

Researched and implemented a tool to detect rip currents from videos using C++ OpenCV, achieving the highest accuracy on challenging cases.