PROFESSIONAL SUMMARY

• Around 7 years of progressive technical and functional experience specializing in the development of multi-tier J2EE applications
• Functional experience includes Telecom billing applications- Rating , Invoicing and A/R
• Extensive experience in developing scalable, reliable and efficient enterprise applications using JAVA, J2EE, Struts, Spring, Web Services and Hibernate.
• Expertise in Server side development using Java, J2EE, EJB, JNDI, JDBC, RMI/IIOP, SOAP, JMS.
• Well versed in designing presentation layer components using Servlets, JSP, HTML, AJAX, DHTML, XSL, WML, XHTML and JavaScript.
• Very good experience in developing GUI based front end using Swing, RCP framework and SWT
• Strong experience in data analysis and Proficient in writing SQL queries, Stored Procedure in Oracle,
• Hands on experience in writing, debugging and implementation of the PL/SQL stored procedures, functions, triggers, packages.
• Expertise deploying and configuring applications on application servers such as IBM WebSphere, BEA WebLogic, JBoss and Tomcat.
• Good working knowledge in IDE tools like Eclipse,JBuilder, Jcreator.
• Strong experience in Windows, Linux and UNIX AIX environments and UNIX shell scripting
• Experience with various development methodologies such as RUP, Waterfall, TDD, XP and agile.
• Provided 24/7 on-call pager support during pre-production and post-production time.
• Extensive application development experience for Telecom billing domain
• Highly motivated team player, quick learner and proven record of capability to work under pressure and deadlines.
• Experience in writing Unit and Integration test cases.
• Sun Certified Java Programmer 1.4 (SCJP 1.4)

TECHNICAL SUMMARY:

GUI(S):

Visual Basic (VB)

LANGUAGE:

C, Unix Shell Scripting, Sql,Pl/Sql,JAVA

Java/J2EE Technologies:

Servlet, JSP, EJB, JMS, JDBC , RMI, Web Services, XML, XSD, DOM, SAX, Multi-threading

DATABASE(S):

Oracle 8/9i/10g

DB Tools:

TOAD 8/9, PL/SQL Developer v7

Web/ App Servers:

IBM Websphere, BEA Weblogic , IBM Http servers, Tomcat

OR Mapping:

Hibernate

Methodologies:
/ Frameworks

Struts, Spring, MVC,RCP.SWT

Operating Systems:

Linux, UNIX AIX, Windows NT/2000/XP

IDEs/Tools :

MS Office, Eclipse, Edit Plus, Jcreator, Text Pad,Quality Center9.0, Shell Scripting, Putty,Attachmate

Networking:

Java network programming, socket programming

Professional Experience

September 2008 – Till Date Sr. Tech Analyst
Confidential,Piscataway, NJ

Confidential,to quickly react to changes in the market rates offered by various telecom carriers for terminating international calls originating from AT&T’s network. This system selects the best carriers based on rates provided by the carriers, overheads to change the carriers and quality of service provided by the carriers. Then it updates the network automatically with the top 10 cheapest carriers.

Responsibilities:

• Involved in requirements gathering, analysis meetings with Business Anlayst and prepared high level and detail design.
• Conduct Peer review meetings for the HLD and DD’s with Technical Architects and other Business people.
• Responsible for development, enhancement and maintenance of the presentation layer developed using JSP, Struts(LCR Vendor part) and Swing(LCR Internal part, this part of LCR application was developed using Eclipse Rich Client Platform/RCP and Eclipse SWT)
• Developed Struts, Action Forms, Action classes and templates, performed action mapping in struts-config.xml
• Enhanced and developed the DAO classes using Hibernate, SQL .
• Extensively designed, developed, enhanced and tested stored procedures, packages, functions, triggers and views.
• Developed Unit testcases to test the functionality.
• Co-ordinated with the QA team during the integration and system test phase in resolving the defects in a timely manner.
• Followed AT&T Express , Express one processes & standards in all phases of the project.
• Attend Traige calls( defect meetings) and defect fixing and deployment and strictly followed build calender during the release cycles.
• Responsible for co-ordinating with the offshore team, work distribution to offshore members, mentoring developers, and providing weekly status reports to the project manager.
• Given inputs for user manual preparations for business people to present the functionality to the Clients/end users.
• Responsible for co-ordinating with the cross functional teams [business, infra team, developers, QA, change management, deployment co-ordinator] to perform the tasks.
• Responsible for the production deployment of the application and provided tier-2 24/ 7 pager production support and provided comprehensive solutions to Operation team.

Environment: UNIX AIX, Oracle 9i/10g, Java 1.4.2, J2EE 1.4/1.3, Struts 1.2, HTML, JDBC, SQL, JSP 2.0, Servlets 2.4, XML, JavaScript, CSS, PL/SQL, Toad9.1, Quality Center9.1, SQL Navigator, CVS, websphere application server 6.0, Remedy Tool for defect tracking

July 2007 - August 2008 Sr. Tech Analyst

Confidential,Hoffman Estates, IL

Confidential,provides an internet-based web front-end reporting environment for AT&T LongDistance customers. These reports provide visibility to call information, including originating and terminating number, call duration, call disposition, and start and end times. Additionally, these reports will provide statistical information, such as total call attempts, completed and incomplete percentages, total billed and hold minutes information.

Responsibilities:

• Interacted with business in the requirements gathering, analysis meetings and prepared high level and low level designs.
• Designed and developed in the admin, customer/user management, report generation and schedule reports modules.
• Responsible for development, enhancement and maintenance of the presentation layer developed using JSP, Struts, JSTL, AJAX, Servlets, Custom Tags, HTML, CSS, JavaScript.
• Used Spring IOC, WebModule, AOP to provide encapsulation, AOP managed transactions and AOP Based Security.
• Enhanced and developed the DAO classes using Hibernate, SQL and jdbc to perform CRUD operations.
• Extensively designed, developed, enhanced and tested stored procedures, packages, functions, triggers and views.
• Developed Unit testcases using Junit to test the functionality.
• Co-ordinated with the QA team during the integration and system test phase in resolving the defects in a timely manner.
• Responsible for J2EE migration of the web application from J2EE 1.3 to J2EE 1.4 and have done code refractoring and code profiling for maximum performance.
• Responsible for the successful migration of Websphere application server from 5.1 to 6.0 version and have done Gap analysis, design and deployment of the websphere Fix packs, Configured websphere for maximum performance, installed security certificates.
• Responsible for the successful migration of the oracle database from 9i to 10g, analyzed and enhanced the pl/sql code and provided comprehensive solutions to the issues.
• Responsible for the successful migration of Solaris OS from 8 to 10 as part of the EOSL project and prepared design documents and deployment procedures.
• Strictly followed & implemented the AT&T Express one processes & standards in all phases of the project.
• Responsible for attending the defect meetings and defect fixing and deployment and strictly followed build calender during the release cycles.
• Responsible for co-ordinating with the offshore team, work distribution to offshore members, mentoring developers, and providing weekly status reports to the project manager.
• Prepared exellent user manuals for business people to present the functionality to the customers.
• Responsible for co-ordinating with the cross functional teams [business, infra team, developers, QA, change management, deployment co-ordinator] to perform the tasks.
• Responsible for the production deployment of the application and provided tier-2 24/ 7 pager production support and provided comprehensive solutions.

Environment: Solaris8/10, Oracle 9i/10g, Java 1.4.2, J2EE 1.4/1.3, Struts 1.2, Spring 2.0, Hibernate 3.2, HTML, JSTL, AJAX, JDBC, SQL, JSP 2.0, Servlets 2.4, XML, JUnit, JavaScript, CSS, PL/SQL, RAD7.0, Toad9.1, Quality Center9.1, SQL Navigator, PVCS, CVS, MS Project 2003, RUP, Maven, MS Visio, websphere application server6.0.

June 2005 - June 2007

Confidential,Hoffman Estates, IL Tech Analyst


Confidential,Billing system is used by OMS (Order Management System) for ordering U-Verse Products (add\\remove\\change\\suspend\\restore\\resume products). APIs are written in Core Java and deployed in BEA Weblogic server. These API’s (Java API’s) takes the input from OMS in XML format, then the xml file is parsed by the XML parser and then the Java API’s perform various activities after which the results are sent to OMS back again.

Responsibilities:

• Review & understand Business requirements and High level design documents
• Write/modify existing Java API’s and make changes according to the new business requirements and high level design document.
• Prepare Detail Design document for the new functionalities of API’s
• Deploy the Jar files in BEA Weblogic Server (in development environment)
• Prepare the document for the infra team to deploy the new jar files in Production environment
• Resolve issues in Production by replicating the same issue in Development/Testing environment

April 2003 - May 2005

Confidential,Singapore. Technical Associate

The Product is developed for Singpore based GLC. This deals with online Corporate Training. There are two versions of this application (a) an installed stand-alone product, and (b) a version for ASP*(Application Service Provider) environment. This application provides training for different organizations based on their nature of work.

Responsibilities :

• Involved in enhancement of the System using Java and J2EE.
• Involved in the development of userinterface using JSP, Javascript and CSS.
• Have written Servlets and implemented the business logic.
• Developed stateful session beans for the to provide business services.
• used design patterns like service locator, business delegate and session façade to provide the efficient code.
• Developed complex SQL queries to perform efficient data retrieval operations.
• Have developed the Database and Application server Independent components.
• Deploying the application in all the application servers and performed the system testing.

Environment: Rational Clear, UML, Rational Rose, EJB, JBuilder, JSP1.1, Servlets2.3, XML, HTML, JavaScript, CVS, Oracle 8i, IBM DB2, SQL Server 2000, MySql, Web Logic Application Server7.0, JBoss, Wesphere Application server, Oracle 9i AS, Linux, Windows NT, Win Runner, Load Runner.

Education
Bachelor of Technology (B.Tech in Information Technology)

PROFESSIONAL CERTIFICATIONS

Sun Certified Java Programmer 1.4 (SCJP 1.4)