- Analyzing product usage to discover the business opportunities to shape the product strategies.- developing the key metrics and dashboards for company-wide reporting.- Analyzing dashboard usage and working with UXR to improve the user experience.

- building dashboards for new product features and daily device usage in order to empower the product team to monitor real-time product performance.- performing ad-hoc data analysis such as cohort analysis and communicated the insight across the teams.- developing data pipeline to construct new tables on Snowflake from various data sources.- investigating production issues with the engineering team and evaluate the merchant impact- defining business metrics to improve customer support performance. - analyzed returned device data to track our product performance and reduce operation cost.

- Designed an in-house fraud check system from scratch to catch the ghost accounts and the speculators who made fake transactions to earn cashback, saving at a least $278k USD loss. - Analysing suspicious transactions by SQL and data visualization to conclude the pattern of fraud transactions.

- specialized in payment solutions, including third party payment and overseas payment solutions- developed strategic partnerships with eCommerce companies resulting in more business opportunities- participated in cross-departmental innovative projects such as mobile payment and O2O business

- participated in Project Rainbow (Citi global project for system integration) to execute user acceptance testing for online banking functions- maintained ATM software system and proposed ATM system enhancements