• Led in developing new modules & interfaces to support online card payment services from CUP, Visa, MasterCard for backend system.

• Implemented new auto-triggered transfer service with auto re-adjusting deposit interest, more than 50% fewer bugs in acceptance test.

• Maintained APIs of inquiry module; wrote SQL scripts to check system parameters.

• Analyzed the web-page game design with developers to find design issues in advance.

• Wrote and performed test cases.

• Communicated with the developers and kept track of the bugs.

• Analyzed the playability of the game and stability of system and proposed improvements.