Worked in ADP payroll statement generation team. Designed and developed several projects that enhanced the payroll template and payroll workflow, including adding support for more check styles and improving the payroll template system to make it more flexible and user-friendly. Enhanced the client onboarding process, file management and system security. Helped in resolving daily OP issues.

Worked in Citi Bank e-trading platform team. Designed and developed an e-trading history data storage and retrieval system, as a core component of Citi Bank’s next generation e-trading platform. Built the system with multiple AWS technologies. Synchronized with data warehouse to help data analysts and scientists to analyze. Provided APIs for client to retrieve data with customized filters, aggregations with low latency and high availability