Wrote technical designs for both minor modifications and major new modules; wrote and maintained the modifications and modules based on user requirements; converted from COBOL code to Java code; integrated the code and performed testing to verify functionality, performance, and reliability requirements; prepared user guides and operational manuals; coordinated with other members for daily report updates.Projects:➤ FirstDoc: FirstDoc is an electronic document management system for pharmaceutical companies. FirstDoc Enterprise provides the corporate platform for companies to manage and protect intellectual assets, facilitate collaboration and ensure compliance. With the power of this corporate platform, specific business needs can be met through modules tailored to various functional areas such as FirstDoc Research & Development, FirstDoc Clinical Trials, FirstDoc GMP, FirstDoc Marketing & Sales, FirstDoc MedInfo (Medical Information Services), etc.➤ ExceedJ, FSS: Exceed is a system developed as a General Insurance back office administration & processing system for P & C lines in the US. ➤ FSS ER Banking: A core system used by the Bank of America, Wells Fargo and HSBC, among other banks, for managing loans in default.Technical Environment: Java, JSP, Struts, Hibernate, XML, UML, HTML, CSS, Ajax, JavaScript, Eclipse, SVN, JQuery, Ant, WinSCP, Oracle, DB2, Tomcat, Websphere, REST, SOAP, DQL, JIRA, BugZilla.

Design and implement SSIS packages to extract, transform and load data from OLTP databases (from stores in difference cities in Vietnam) to data warehouse for reporting. Design and implement SSAS packages to build OLAP cubes from OLTP databases and data warehouse for data analysis. Design and deploy reports using SSRS Report Builder and Reporting service. Design and deploy dashboards for data visualization using Power BI Desktop and Power BI Web Access. Perform and implement some data analytic algorithms for prediction. Achievements:• Successfully developed and delivered data statistics, reporting and BI for COOP Mart Co, reducing paperwork and email by 60%. • Reports and Dashboards provide data analysis through relational databases, multidimensional databases. They assist managers in visuals, analysis, estimations, planning, and decision making.

Collected Japanese customers' requirements; developed specifications; performed varieties of test, upgraded and maintained the applications for Telecommunications, Healthcare industries. Projects: ➤ Terminals management server: A system for managing emergency broadcast terminals used in Japan’s areas where disasters such as earthquake and tsunami usually occur.➤ SHIFT: An editor for scenario files that represent the controls, events and signal data sent to or received from the nodes on SHIFT servers.➤ MERGE: A tool for merging multiple configuration files.➤ AUTOTEST: An automatic tester for mobile systems that supports 3GPP protocols. ➤ Kaigo: A web-based nursing system for old people in Japan.Achievements:*Received the certification of commendation and award for AUTOTEST project with the team.Technical Environment: Java, MySQL, JBoss, Tomcat, Java Swing, CVS, JBuilder IDE, Hibernate, Struts, Jasper Report, Jshrink.

Met the customers and gathered requirements; analyzed end-user information needs; described desired features and operations in detail, including screen layouts, business rules; developed and maintained the application using Visual FoxPro 5.0.Project: ➤ Accounting Software: A comprehensive pricing and accounting software.Technical environment: Visual FoxPro 5.0