SUMMARY:

• 19 years of experience in various software technologies. Played key roles of Subject Matter Expert, Technical Architect, Technical Lead, Developer, Technical Consultant.
• Extensive design, development, deployments, trouble - shooting and tuning experience with SOA, BPEL, ESB, EAI, XML, Portal, XML based N-Tier solutions
• Clear understandings of transactions, security, performance and scalability aspects of the distributed enterprise SOA services and application architectures.
• Excellent project management, technical delivery, customer relationship and facilitation skills.
• Active Secret Clearance.

TECHNICAL SKILLS:

SOA: SOAP, WSDL, XML- XSD, XSLT, BPEL, WS-*, ESB, UDDI, REST, JAX-RPC, JAX-WS.

Java EE: JavaEE- EJB, Servlets, JSPs, JMS, JCA, JDBC, JNDI, JMX, RMI, JSF

Application and Web Servers: WebLogic Server, Oracle HTTP Server, Sun Web Server, Apache, IIS, Tomcat

Oracle Fusion Middleware: Oracle SOA Suite BPEL, BPM, Business Rules, Oracle Service Bus(OSB), WebCenter Portal, WebCenter Content, Oracle Secure Enterprise Search, Business Activity Monitoring (BAM), Oracle Enterprise Repository(UDDI).

Messaging Middleware: WebSphere MQ, WebLogic JMS, Oracle AQ.

Database: Oracle, DB2, MS SQL Server, Informix.

Operating Systems: Solaris, Linux, Windows, HP-UX, AIX

Languages/Scritps: Java, C/C++, PL/ SQL, JavaScript, HTML, Korn/Bourne/C-shell, Perl, Jython, UML, HTML

Development Environments: Oracle JDeveloper, SOAP UI, Eclipse, Ant, Jprobe, Jbuilder, Load Runner, SVN, CVS, Perforce, Rational Rose, Jmeter

Frameworks: Siteminder, CA API Gateway(Layer7), Oracle Coherence, ADF, Apache Struts

PROFESSIONAL EXPERIENCE:

Senior Oracle SOA Developer & Oracle Fusion Middleware SME

Confidential, Rosslyn, VA

• Worked on Department of State ConsularOne DME( Development, Modernization, Enhancement) program to develop, integrate and deployment of SOA Services .
• Designed and Implemented SOA Services to support integration consisting client applications(Siebel CRM), Legacy Database and File Systems and External Service Providers.
• Defined and developed Oracle SOA Service Interfaces using XSD and WSDLs in JDeveloper.
• Developed Oracle SOA Composites using Oracle Mediator, Oracle BPEL, Oracle Business Rules, File Adapter, Database Adapter and Spring Java Components.
• Implemented XML Transformations to support integration between multiple SOA Components. Enhanced implementation to meet transactions requirements using compensation and exception handling.
• Worked with data architect to defined stored procedures for legacy database systems. and exposed as services.
• Implemented Oracle Service Bus: Proxy, Business services for integration between SOA services and external systems. Leveraged Oracle Service Bus - Services Virtualization, Protocol Switching capabilities.
• Implemented In-bound and Outbound access control polices, WS-Security Assertions (confidentiality, integrity and non-repudiation ), Threat Protection, Virus Scan and Audit Routing policy fragments using CA API Gateway(Layer 7).
• Developed message oriented integration between Oracle SOA and Siebel CRM using WebLogic JMS and CA API Gateway (Layer7).
• Developed deployment plans and ant build scripts to support automated deployment of the SOA, OSB and Web Application module in Test and Integration Validation environments.
• Provided troubleshooting support to resolve integration issues and implemented bug fixes.

Oracle Fusion Middleware SME

Confidential, Herndon, VA

• Provided Oracle Fusion Middleware - SOA Suite, WebCenter Portal, WebCenter Content subject matter expertise to application development, application integration, and operation and project management teams.
• Implemented, integrated and supported U.S. Department of the Treasury's revenue, cash collections, information repositories systems in Treasury Web Application Infrastructure (TWAI) enterprise environment.
• Designed, developed SOA Integration Solution consisting - Oracle SOA Suite -BPEL, WebCenter Content, WebLogic JMS and Siebel CRM.
• Developed SOA Composite using Oracle BPEL, JMS Adapters, WebCenter Content & Siebel Webservices interface. Configured clustered JMS server to support failover. Integrated WebCenter Content with Siebel CRM using Siebel Adapter for WebCenter Content.
• Integrated WebCenter Portal with Oracle Secure Enterprise Search to implement Financial Information Repository(FIR) solution.
• Developed Oracle Fusion Middleware clustered system architecture consisting Iplanet WebServer, Oracle WebCenter Portal, WebCenter Content and Oracle SOA Suite.
• Integrated Middleware environment with Siteminer using web agent and asserter to implement Single Sign On Solution.
• Integrated WebCenter Spaces application with portal services - document, portlet, collaboration etc.
• Developed procedure to migrate Oracle SOA, WebCenter Portal, WebCenter Content artifacts from development to production environment.
• Integrated XML and non-XML SOA services consisting SOAP, JMS and HTTP end points using OSB.
• Participated in performance tuning exercise and provided tuning recommendations to tune middleware components - JVM, WebLogic, JMS, Web Applications, BPEL Engine etc.
• Implemented SOA components using Java EE and Web Services.
• Analyzed security alerts and developed security patch implementation plan. Conducted troubleshooting in production environment and provided root cause analysis.

WebLogic Middleware SME

Confidential, Herndon, VA

• Provided WebLogic and WebLogic Integration middleware subject matter expertise to application development, application integration, and operation and project management teams.
• Implemented, integrated and supported U.S. Department of the Treasury's payments and cash management systems in Treasury Web Application Infrastructure (TWAI) enterprise environment.
• Implemented highly available clustered oracle fusion middleware environments consisting Java EE Applications, WebLogic, Iplanet WebServer .
• Identified performance bottleneck, identified tuning recommendations to improve performance bottleneck. Used code profiling tools to identify application code bottleneck.
• Conducted troubleshooting in production and test environments to resolve performance and production issues. Provided root cause analysis. Analyzed JVM GC logs, Java Thread Dumps and monitored performance parameters to identify performance bottleneck.
• Integrated middleware environment with Identity and Access Management solution. Designed and implemented Web Service Interface for TWAI UPS(User Provisioning System). Integrated business application with TWAI UPS system using SOAP.
• Developed highly available JMS (Java Messaging Service) clustered solution.
• Reviewed capacity planning reports and worked with capacity planning team to project capacity requirements based on expected system volume, system performance reports and system scalability requirements.
• Participated in architecture assessment exercise for multiple business applications to improve performance, availability and scalability. Presented architecture solutions to business owners, technical managers and other stakeholders.
• Participated in TWAI information exchange annual conference and presented middleware technology briefings to technical community.

Sr Application Integration Engineer

Confidential, Herndon, VA

• Implemented J2EE system clustered integration environment for Pay.Gov application in TWAI (Treasury Web Application Infrastructure). Configured and implemented web tier level security using the SiteMinder web agent for the Iplanet proxy servers.
• Designed and developed authentication and authorization service using WebLogic custom authentication provider based on JAAS architecture.
• Integrated WebLogic middleware environment with WebSphere MQ.
• Conducted root cause analysis of the application outages and recommended short term and log term enhancement to improve application’s availability.
• Participated in performance testing and provided tuning recommendations.
• Automated Java EE applications deployment to promote system through various integration testing, QA and production environments.
• Developed application disaster recovery plan to support failover from primary to secondary site and participated in failover exercise.

Software Engineer

Confidential, Burlington, MA

• Provided WebLogic Platform expertise to BEA Mission Critical Support customer: WebLogic middleware environment upgrades, Integration of the WebLogic security framework with proprietary authentication and authorization services. WebLogic Middleware performance tuning.
• Designed and developed Pumatech content management solution using WebLogic Portal components. Designed and developed XML and JMS based integration solution between WebLogic Commerce Server and WebLogic Integration Server.
• Designed application architecture using UML and identified system packages for implementation by subgroups in development team. Worked with QA, Performance Testing to meet quality standards and performance requirements.
• Implemented and integrated EJB based an e-commerce tax component of commerce server with third party tax calculation service (Taxware) using JNI. Designed payment sub system of the commerce server using Rational Rose and implemented it as EJB component.
• Implemented object relational mapping between EJB /POJO and relational tables of oracle using Toplink O-R Mapping tool.
• Developed unit tests for commerce EJB components and performed load tests of the software components.

Application Developer

Confidential

• Designed, developed and tested report generation applications in Clarion.
• Developed and maintained web site of the honors department using HTML & JavaScript.

System Design Engineer

Confidential

• Developed in house software application for control valve and orifice sizing in C/C++ and Visual Basic.