John Cha Email & Phone Number

Washington, Dc, Us

Worldwide, Oo

Development and bug fixes for the HR Systems, Analytics, and Information Division (HR SAID) at the National Institute of Health (NIH). Projects used .NET, C#, Java, Angular, SQL, Power Bi, SSRS, Internet Information Service(IIS) and Team Foundation Server(TFS). Leading research effort at the branch to migrate tools over to Microsoft Azure DevOps.

Reston, Virginia, Us

Develop and maintain applications at the Executive Office of the President.Responsible for the development and design of new software using .NET, C#, Angular 7+, SQL Server Management Studio, REST API calls, javascript, CSS(bootstrap) and MVC. Handled deployments to IIS with appropriate smoke testing, resolved existing defects, queried active directory, created stored procedures and other database scripts. Team is based on the agile development methodology. JIRA and Confluence administrator with 10,000+ active users. Responsible for resolving issues such as workflows, permissions, SSL certificates(installing and renewing certs), server errors, post functions and database errors. Wrote scripts in JAVA to automate tasks using Script Listener. Worked with admin team to setup Single Sign On(SSO) and troubleshoot Active Directory sync. Migrated JIRA/Confluence to a different server.Projects used .NET, C#, Angular 7+, Webforms, MVC, CSS, Bootstrap, Javascript, JQuery, Linq, SQL Server Management Studio, Java, REST API calls, Internet Information Service(IIS), Team Foundation Server(TFS), SQL Server Reporting Services(SSRS), Visual Basic scripting in Microsoft Outlook, Stored Procedures, SQL Jobs, Command Line Executable files, JIRA, Confluence, Visual Studio, AJAX, Agile development and SSL certificates.

Baltimore, Maryland, Us

Employed in a fast paced agile environment capable of learning and grasping new technology expeditiously. Responsibilities include but not limited to: advising clients on different software methodologies, conforming skills to best suit client needs, developing software utilizing best practices, effective communication between team members and client. Projects used Java, Spring MVC, Objective-C, PHP, Javascript, CSS, MySQL, Hibernate, JDBC, JUnit, Git, SVN and SSL

Baltimore, Maryland, Us

Developed an internal web application for entry and tracking of team peer reviews with a small team of 4. Written in Java utilizing the Spring Web MVC Framework. Utilized MySQL database with Hibernate. Implemented and integrated Spring Security with LDAP authentication. Created graphs that dynamically conform to back-end data with the use of the D3 javascript library. Back-end tested with JUnit