SUMMARY:

• Over 10 years experience in the IT industry with the last 7 year focused on Java technologies with emphasis on Web development, SOA architecture, web services and database design. Extensive experience with large systems software maintenance, tuning, capacity planning and performance measurement, hardware/software evaluation and selection, conversion and migration of projects. Industry exposure includes healthcare, banking, aerospace, defense, telecommunication, science, e - commerce and artificial intelligence.
• Experience in various JAVA/J2EE technologies such as J2EE 1.4/1.5/1.6, JDK 1.4/1.5/1.6/1.7, JDBC 3.0, JSP 1.2/2.0, Servlets 2.3/2.4, Json, Struts 2, Hibernate 4 ORM, Spring 3.x and JAX-RPC/RESTFUL Web Services.
• In-depth knowledge of Semantic Web technology: RDF/RDFS, Jena, Virtuoso, BIGData
• Proficient in various web based technologies like HTML5, XML, JSP, JSF, PrimeFaces and AJAX.
• Expertise in unit testing using Junit and Selenium
• Software Development which includes Java/J2EE application development using Software Development methodologies like SDLC, Waterfall and Agile.
• Server-side: Java EE 5/6, JPA(Hibernate), JSP/Servlets, JTA, JMS, JAXB, Spring, Struts, Web services (JAX-WS/JAX-RS,WSDL/SOAP, RESTful, Axis2), Ant, Maven
• Collaboration Tools: Hudson CI, Git, SVN, CVS and other proprietary tools

TECHNICAL SKILLS:

Technologies: Java JDK 1.2/1.3/1.4/5/6/7, JavaBeans, J2EE (JSP 2.0, Servlets 2.3/2.4), Struts 2, Web Services 1.2, Spring 3.x, Hibernate 3.x/4.x, JDBC 3.0, SOAP 1.2, Log4j 1.2, JUnit 4.0, Maven, WSDL 2.0, AJAX, JAXP, JAXB

Markup Languages: HTML 5, HTML 4.0.1 and XML 1.0.

Application Servers: Tomcat 5.5/6.0/7.0, WebSphere 6.x, 7.x, WebLogic 10gR3 and 11gR1, Glassfish 3.1, OC4J 10Gr3

IDE: Eclipse 3.x/4.x, NetBeans 5.x/6.x/7.x, Confidential RAD 6.0/7.0/8.0, Confidential WSAD 5.x, Rational Rose, JDeveloper, SQLDeveloper

RDBMS: SQLite 3.6, Oracle 9i/10g and 11, MySQL 4.0/5.0/5.5, MS-SQL Server 2005/2008, DB2, MS Access, Postgress, Sybase

OS: Windows (NT/2000/XP/Vista/7/8/Server 2008), Linux, Unix, Dos

Languages: Java, SQL, Groovy, C

PROFESSIONAL EXPERIENCE:

Confidential, Towson, MD

Responsibilities:

• Design and development of ontology, Java modules and Linux shell scripts for http://www.healthdata.gov using TopBraid Maestro, Virtuoso, Jena, SPARQL, SQL, shell scripting.
• Full life cycle of web development on http://qualitynet.org/ utilizing wide range of Open Source technology including Spring, J2EE, servlets, JSP, JSF, JavaScript, Hibernate, as well as commercial technology like WebLogic, WebCenter, ADF and Oracle.
• Spearheaded re-engineering effort to adopt new enterprise architectural model based on SOA and Oracle WebCenter framework using Oracle ADF.
• Responsible for developing Session Beans to implement business logic
• Worked as technical lead, architect and developer
• Developed ANT and Maven scripts for build-management and deployment activities
• Developed J2EE components on Eclipse and JDeveloper IDEs
• Used Log4J for logging activities
• Developed shell scripts for loading data to Virtuoso
• Developed business services using EJB, JDBC, JPA and Hibernate
• Used Spring 3.0 Framework
• Responsible for writing SQL and PL/SQL, as well as creating database schemas, triggers, constrains and stored procedures
• Developed SPARQL queries that are being used to query data.gov triple store
• Worked with different design pattern like Façade, Factory, Singleton, Producer-Consumer and many others
• Developed RDFS schema for Semantic triple store
• Created Jena based engine to transform linear and relational data to RDF format
• Used JUnit to execute Unit Test cases written for Test Driven Development
• Analysis, design, development of applications based on J2EE design patterns
• Interacted with client & the business communities to obtain core requirements
• Implemented different layouts design and layout modifications
• Designed and implemented multiple customized functional layouts and UI elements
• Managed data using Erwin, SQLDeveloper and Top Braid Maestro
• Implemented different web services in different functional models

Environment: Java/J2EE, Spring 3.0, PrimeFaces, JSP, JSF, Servlets, Spring, Hibernate, ADF, FusionMidleware, JDBC, JNDI, JMS, SOA, JAXB, HTML5, XML, SQL, PL/SOL, SPARQL, Oracle 10g, Oracle 11, Virtuoso, WebLogic10.3, Log4j, ANT, UML, JUnit, Windows 7, Eclipse 3.7.1 JDK, GIT, Apache.

Confidential, Fort Detrick, MD

Responsibilities:

• Architected, coded, tested and implemented data web services capable of transferring large volume of vital date to theaters of conflicts and various military sites. Java, SOAP, REST, Oracle, data warehouses, materialized views.
• Interacted with business team and gathered requirements.
• Prepared Design Specifications with Rational Rose.
• Involved in Status Meetings and suggested new enhancements to the existing application.
• Implemented the presentation using a combination of Java Server Pages (JSP) to render the HTML4.01 and a well-defined API interface to allow access to the application services layer.
• Input validations were done using JavaScript.
• Designed front end applications using JSP, HTML4.01 and CSS
• Involved in implementing Ajax in report Maintenance and Report status page.
• Implementing JSP Standard Tag Libraries (JSTL) along with Expression Language (EL).
• Developed the action and action form classes based on the Struts framework
• Designed and developed Enterprise Java Beans (Session Beans and Message Driven Beans).
• Effective usage of J2EE Design patterns namely DAO, Singleton and Factory.
• Designed and implemented Hibernate as Data Access Layer for DB management and caching.
• Created user profiles for new business users and also trained in using of Business Objects Reporter Module
• Created a Business objects user’s power point presentation for an introduction to first time users and also as a handy guide
• Evaluated the following features of Business Objects XI: Index awareness, Derived tables and Central Management Console
• Implemented various design patterns in the project such as Business Delegate, Session Façade, Data Transfer Object, Data Access Object, Service Locator and Singleton
• Used Spring 3.0 with JPA as middle layer. Used spring security to deal with security issues.
• Designed the Oracle Database, wrote Stored Procedures and Triggers for effective Data Processing and performance.
• Writing XML plug-in configuration files from the business process.
• Developed and implemented the JUnit Tests.
• Worked with Log4J effectively for logging messages to the appropriate log files.
• Used CVS and SVN for Version Controlling.

Environment: Java, JSP, AJAX, Spring 2.5, Struts 2, Hibernate 2.0, Oracle 10g, Eclipse, Apache Tomcat, Log4J, JUnit, Business Objects(4.3/5/5i),Web Intelligence 2.6/6i, SVN

Confidential, Gaithersburg, MD

Responsibilities:

• Position: IT Specialist in the Enterprise Global Business Services. The division addresses clients’ core business processes. Capabilities are combined with industry knowledge, application software, technology, and other services to deliver complete enterprise solutions.
• Have architected and implemented multi-tiered transactional applications using JSP for the front-end life cycle management, Struts for its middle, and JDBC classes for the data access layer. These applications were fully integrated with Confidential Web Sphere Portal Server. In addition I designed and implemented a number of web services for the projects ranging from e-commerce and banking to store front, custom written servers and large voice (IVR) applications.
• Extensively worked with different databases: Sybase, Oracle, DB2 and MS SQL Server, writing SQL, stored procedure, defining tables and constraints, creating logical data model and optimizing queries.
• All projects were delivered on time and within budget.

Environment: Java, J2EE, Servlets, JSP, JavaScript, XML, HTML, CSS, UML, WebSphere 6.1, RAD 6.0, Struts 1.1, Confidential DB2, Oracle ANT, Unix, Linux, Windows, IVR.

Confidential, Chantilly, VA

Responsibilities:

• Architected and programmed complex data-driven J2EE web-based application for the Department of Defense. This application dealt with logistics of shipping military and civilian personnel and property from one point of the Globe to another. Every piece of personal property had to be tracked and verified for compliance with international and local Customs laws and regulations. This had been achieved with J2EE 3-tier application running on Sun One Application Server with numerous data stores residing on Oracle data servers.
• Involved in various phases of project development following Rational Unified Process (RUP).
• Generated Use case diagrams, Class diagrams, and Sequence diagrams using Rational Rose.
• Session Beans have been used to process the requests from the user.
• Involved with database design including tables and fields using normalization principles and Entity Relationship diagrams.
• Used JMS API for asynchronous communication by putting the messages in the Message queue.
• Implemented various design patterns in the project such as Business Delegate, Session Façade, Data Transfer Object, Data Access Object, Service Locator and Singleton.
• Constantly worked with business users to provide them with the data in form of complex reports and excel sheets for analysis
• Implemented various XML technologies l DTD schemas, DOM & SAX parsers, XSL style sheets.
• Created and implemented My SQL stored Procedures using SQL and PL/SQL.
• Performed unit testing using JUnit framework.
• Involved in troubleshooting and debugging during the testing phase of project life cycle.

Confidential, Annapolis, MD

Responsibilities:

• As lead programmer on the Common Parts Catalogue project, sponsored by the Department of Navy and the group of mid size ship yards, designed and programmed taxonomy of common parts used in ship building.
• Responsible for developing Session Beans to implement business logic
• Developed J2EE components on eclipse IDE
• Used Log4J for logging activities
• Developed business services using EJB and JDBC
• Responsible for writing SQL and PL/SQL
• Worked with different design pattern like Façade, Factory, singleton
• Created case diagram, object model diagram class and deployment diagram using UML/Rational rose
• Used JUnit to execute Unit Test cases written for Test Driven Development
• Technology: Java, J2EE, JSP, Oracle, MS SQL Server, LDAP, Apache Tomcat.

Environment: Java, J2EE, Servlets, JSP, JavaScript, XML, HTML, CSS, UML, WebSphere 6.1,EJB, RAD 6.0, Struts 1.x, Confidential DB2, ANT

Confidential, Bowie, MD

Responsibilities:

• Lead developer and architect on the Cybernetic Engine, project was financed and put together by a number of software, manufacturing and research enterprises who wanted to extend robotics software to accommodate features from the discipline of cybernetics.
• Effective usage of core Java and C (for low level processing)
• Architected, coded and implemented messaging mechanism using Java APIs such as Jini and JavaSpaces
• Designed the Oracle Database, wrote Stored Procedures and Triggers for effective Data Processing and performance.
• Writing XML plug-in configuration files from the business process.

Environment: Unix, Windows, Java, C, Jini, JavaSpaces, Oracle, JSP, Servlets.