EXPERTISE:

Languages: Java. JavaScript. C/C++. Ruby/Python/Perl. PHP. SQL. BASH scripting.

Frameworks & APIs: Hadoop. Spring. Struts. Hibernate. J2EE.

Web Development: AJAX with jQuery, Prototype & by hand. JavaScript. HTML. CSS.

Application Servers: WebSphere. JBoss. Glassfish. Tomcat.

WORK EXPERIENCE:

Senior Java Developer

Confidential

Responsibilities:

• Developed innovative solutions to complex business requirements in an existing application using Spring, jQuery, and JavaScript, supported by an Oracle database backend.
• Provided guidance to improve the software development life cycle & mentoring to junior staff members on increasing efficiency during development process.

Senior Java Developer

Confidential

Responsibilities:

• Led team porting Confidential application from JB oss to W ebS phere application server.
• As part of agile team, increased performance of application bottlenecks through optimization of Java code, and HQL & SQL queries.
• Began design and development of high performance computing module capable of handling transaction processing of billions of records per month.

Enterprise Content Management Specialist & Project Technical Lead

Confidential

Responsibilities:

• Led refactoring of existing web application to in corporate RESTful architecture and AJAX interface elements, improving system maintainability and enhancing user experience.
• Led migration of enterprise applications using Oracle for unstructured data storage to a web service interface backed by Confidential system using IBM Content Manager.

Senior Java Developer

Confidential

Responsibilities:

• Designed and implemented a charting system for enterprise financial application using JFreeChart, Struts, Spring, and SQL Server.
• Created & modified web services to implement new business logic while maintaining external interface structure, using SOAP, Axis, Spring, and SQL Server.
• Implemented a process to create, fax and email PDF correspondence to customers’ financial activities, including a system integrating 3 rd party tools to identify creation and transmission failures.

Software Engineer

Confidential

Responsibilities:

• Designed, developed, and implemented data collection and analysis system involving approximately 3 billion transactions per month using Java and Hadoop. Stood up a custom HPC cluster with Red Hat Linux.
• Developed advanced functionality for user identification system through analysis of HTTP & IP headers, with in flagship business service application.
• Designed and developed email notification system for customer facing, business critical web application.

Programmer Analyst

Confidential

Responsibilities:

• Developed a powerful, extensible web application enabling researchers to administer customized interviews to clinical study participants. Utilized a custom XML schema, Java servlets & JSP pages, JavaScript, and CSS running on Tomcat backed by a PostgreSQL database.
• Developed a suite of browser - based, interactive, real-time behavioral tests, measuring “executive function” in study participants. Running on dedicated touch-screen terminals utilizing, the system used JavaScript, servlets and JSP pages, backed with a PostgreSQL database.
• Developed a portal for the Confidential Cancer Bioinformatics Grid ( Confidential ) project, providing visualization and monitoring of the project's computing grid. Initially used Struts, later migrated to Spring. Ensured compatibility with both WebSphere and JB oss application servers.
• Led adoption testing of a microarray experiment management package, caArray, within the Confidential project. Deployed, debugged, and assisted development of caArray. Administered JBoss application server and Oracle database for application.
• Developed an application providing access to a large dataset of demographic information from a longitudinal population study, allowing comprehensive searching and compilation of customized data sets as XLS, PDF, or Confidential files, for analysis by statistical software packages. Built using PostgreSQL, servlets, and JavaScript.
• Served as interim Bioinformatics Manager at the General Clinical Research Center ( Confidential ), advising clinicians and researchers on effective use of information technology resources for developing new clinical trials, grant proposals, and in ongoing trials.

Systems Analyst

Confidential

Responsibilities:

• Developed web-based application to maintain and track contracts for the Office of Acquisitions, using ColdFusion, JavaScript, and SQL Server.
• Implemented a prototype intranet site for the Office of Acquisitions using Java servlets and a MySQL database backend.
• Created a library of security-enhanced Java servlet objects for use with the Tomcat servlet engine, allowing applications to be quickly retrofitted with the ability to ensure sensitive data was not sent over insecure connections.
• Evaluated, developed prototype applications for, and provided formal reports on various software packages, including Tomcat, Resin, MySQL, and WebSphere.

Lead programmer

Confidential

Responsibilities:

• Developed, tested, and deployed a Microsoft Access database application to register motor vehicles of all military personnel and organization on Okinawa, Japan. Used Active Server Pages and JavaScript, IIS to provide a web-based interface.
• Designed & developed a Java application to convert data from a legacy Confidential -based database system used by the Confidential System into a format readable to current database systems.
• Developed an application tracking computer equipment across bases on Okinawa, using Active Server Pages and IIS with SQL Server, ultimately migrating to a Java servlet version using Tomcat.

Developer, Webmaster, and Assistant to Chief Information Officer

Confidential, Washington, DC

Responsibilities:

• Designed & d eveloped a reservation system for annual series of military parades at the Marine Barracks and at the Iwo Jima memorial, using Lotus Notes.
• Stood up Confidential web server using IIS; maintained the site and coordinated activities of content developers contributing to the site through raw HTML, Microsoft FrontPage, Dreamweaver, and PDF & Word files.
• Developed a Lotus Notes application to schedule and track the commitments of ceremonial units.