Clayton Chan Email & Phone Number

• Day to day basis work with Oracle SOA Suite middleware (BPEL, Work flow manager, Mediator, various adapters) and J2EE to develop the order orchestration and subscription management portion of the platform• Develop, maintain and support middleware components for Cisco’s Subscription Billing platform handling the management of subscription life cycle• Communicate regularly with team members worldwide to provide 24/7 application and development support • Re-engineered and led initiatives and improvements that boosted code modularity, read-ability and efficiency that resulted in 80% reduction in code base• Innovate concepts for process improvements: system retry, software version upgrade, and testing automation• Collaborate in a multi-track, cross-functional team to write an application that allows Cisco to reduce product and offer enablement from months to days• Migrate and refactor legacy platform to Apache Tomcat severs, utilizing Spring boot, hazel cast and various other frameworks• Work with team members to deprecate 50% of code base and optimize existing code to improve API response times by 50%

Santa Clara, Ca

• Developed automation test scripts using Selenium, JAVA, and Guice resulting in 97.5% reduction in time needed for quality assurance for webex.com, partner self-serving forms and internal order management service forms• Enabled new middleware instances of Oracle SOA suite and WebLogic servers to integrate with external systems• Developed and maintained APIs for new and existing web service applications that enable subscription management at webex.com• Collaborated continuously with non-technical teams to scope and solution business requirements• Trained and on-boarded new hires and consultants to bring them up to productive levels