Architected and launched a cohort-based incentive targeting engine to optimize user acquisition spend, driving 5% new subscriber growth and 2.5x ROI.

Improved subscription renewal reliability through critical infrastructure enhancements, increasing subscription TPV by 3%.

Led end-to-end development of the Horizon+ Developer Self-Serve Application Portal, automating onboarding workflows and doubling Horizon+ content supply (2x expansion).

Integrated a dedicated Horizon+ surface within the Meta Quest library, contributing to 4% subscriber growth.

• Launched several company high pri projects including End-to-end encrypted chat, Cross-app(Instagram ↔ MSGR) communication, In thread Content Search, Fuzzy match search, etc.

Built end-to-end business-to-consumer features on Facebook Marketplace mobile website. Increased the Marketplace eCommerce daily active user by 11%.

Implemented complex financial business modules including transaction flow, authorization checking, bill bargaining, bill endorsement. Built high-performance UI components such as quotation, position, transaction and bank account management.