- Communicate with Client and collect user requirements for Order Management System (OMS) projects- Project Planning & Cost Estimation based on user requirements- Design system architecture for R&D projects- Train new colleague with technical skills and business knowledge- Supervise subordinates in implementation of Webservices APIs- Develop and maintain OMS

- Developed and tested OMS for equity trading- Enhanced trading system to suit the changes from HKEX (AMS/3.8, OCG etc)- Carried out exchange connectivity certification test for clients (AMS/3 for HKEX)- Designed and implemented message redirector among systems- Maintained data replicator between Front Office and Back Office- Provided remote or on-site support for clients' UAT and Production- Involved in system testing for examining functionalities and measuring stabilities- Developed prototype based on team leader's instruction for R&D projects- Defined and created APIs for 3rd party to invoke OMS related functions

- Developed and tested the security trading system (Front Office)- Supported UAT in client's site- Wrote user guides and test cases