Currently developing microservices in AWS using React, Redux, Node.js and Spring while integrating with an external OAuth2 authorization provider for single sign-on.Assisted with configuring and testing several AWS EMR big data solutions, including Apache Phoenix/HBase and PrestoDB.Deployed the Zoomdata visualization tool querying data stored in DynamoDB using PrestoDB in AWS.Migrated multiple applications into AWS by creating CloudFormation templates and configuring Jenkins to automate the deployment process.Supported a contracting application by migrating from Subversion to Git/Github, introducing Spring capabilities, including transactions, security and caching using Guava, while developing new software cost-tracking functionality with Bootstrap/jQuery.Led a modernization effort for a mission critical application by migrating from Struts 1.2 to latest Spring MVC/Security frameworks and updating the interface using AngularJS, AngularUI and Bootstrap.

Currently developing a mobile web application on an Agile scrum team using jQueryMobile, jQuery, CSS3, HTML5, and WURFL, in addition to creating enhancements for an existing BlackBerry native application.Additional technologies used during my time on this project include Spring MVC, Jackson JSON, Prototype, TinyMCE, Tomcat/Weblogic, and Apache Tiles.

Software Developer- Developed a Ruby on Rails web application to replace a legacy desktop application using the MySQL database and the Nokogiri gem.- Managed and maintained a web application and MySQL database to provide bug & issue tracking for over 400 projects and 3000 users and an Enterprise Repository web application to assist with code and asset reuse for over 200 projects and 2000 users, both running on an Apache Tomcat server.Oracle (BEA) Senior WebLogic Consultant- Assisted in deploying new Oracle/BEA COTS products into Test/Dev and Production environments across multiple programs.- Provided WebLogic development, coding, and implementation best-practices for Design, Analysis, Performance & Tuning, Enterprise & System Architecture and SOA-based Application Development planning.- Assist in product implementation using JEE and SOA standards.Oracle (BEA) Mission Critical Support Engineer- Provided on-site technical support for WebLogic Portal and Server, AquaLogic Service Bus and Enterprise Repository to multiple federal customers.- Successfully resolved issues with clustered architectures, including MAN-clustering, session replication, multicast, failover, JMS distributed destinations, and load-balancing.- Experienced container, application, and message-level security-related issues, including web service security, SAML, and 2-way SSL. Software Developer- Developed and deployed J2EE web application using BEA WebLogic Server, Maven, Eclipse and Hibernate tools.

Chantilly Integration Center- Developed J2EE web applications that integrated various mapping/imagery data including Google Maps, Microsoft, and several OGC WMS services, into a single web interface. - Installed and configured J2EE application servers and Java Servlet containers, including BEA WebLogic Server and Apache Tomcat in both single server and clustered environments.- Designed, developed, and deployed a catalogue web service in accordance with the OGC CSW specification using BEA WebLogic Server to help the organization move towards a more flexible SOA.- Developed Java Servlets that obtain geographical coordinates from remote web services.- Used Javascript and AJAX to create a rich user interface for exchanging data with web server.WebLogic Web Portal- Managed the portal development team in configuring a WSRP enabled multi-machine portal cluster with an Apache proxy for load-balancing and high availability.- Developed WSRP-enabled portlets for use with remote portals.- Developed Java portlets using WebLogic Portal that integrated with external systems via Web Services, Java Servlets, relational databases, Peoplesoft ERP system, and existing legacy systems. - Introduced unit testing to the project by using HttpUnit, HtmlUnit, and JUnit APIs.Topographical Data Processing Prototype - Worked with algorithms developed in C++ for polygons and DEM registration, interpolation, and feathering to merge elevation models.- Contributed to the C++ code supporting DEM formats including HRTI, GeoTIFF, GIS, and DTED. Network Surveillance Application - Developed a prototype application that captured and replayed Voice-over-IP conversations hosted over MS NetMeeting.- Introduced UDP data-capturing, e-mail monitoring improvements, and licensing.

- Developed and integrated Visual Basic code to manipulate Microsoft SQL Server database information using ADO objects and SQL, generate data reports with ActiveReports, and enhance the product’s user interface.