o Front-end▪ Developed the frontend JSP source code for the internal admin website of web services, which is based on MVC architecture framework, Struts2.5, running on Red Hat JBoss EAP server, Apache Tomcat, and Apache HTTP server▪ Optimized internal admin website with jQuery and AJAX to decrease 30% loading timeo Back-end▪ Enhanced the Java source code, and introduced unit test framework, Junit, for web services▪ Designed and implemented REST APIs which communicated with third party APIs for web services in Java per the business request by clients▪ Learned Apigee to achieve the company’s API gateway strategy, transformed existed team projects into Apigee. Formed and built Apigee proxies and policies with security frameworks; devised YAML files to document web services as APIs▪ Formulated automation in daily job, such as created an automation tool for the transformation from WSDL to YAML, improved team efficiency and reduced the time expenditure, which is equal to the workload of about five individual contributors▪ Researched Splunk and integrated with existed web services to improve logging process with faster time and lower memory and IO costo Databases▪ Maintained the web services database and repository metadata database with CRUD operations by using Oracle SQL developer▪ Optimized database to reduce 30% - 40% query time by adding indexes

▪ Designed and enhanced UML(Unified Modeling Language) business models for financial web services; devised the model’s XML schema; validated web services’ schemas and WSDL files via SOAP test▪ Created and developed various software projects, fixed bugs and defects, and performed enhancement involving various aspects of application development for multiple web services in Java▪ Maintained the web services database with CRUD operations

▪ Developed the native iOS application by using Objective-C; optimized the UI and performance for the app▪ Evolved and maintained the company website and database by using LAMP stack (Linux-Apache-MySQL-PHP)▪ Evaluated the summarized data by MATLAB, which was utilized as a basis for reports on how to minimize cost while expanding profits