SUMMARY:

• Over 14 years' experience of full development life cycle in Telecom Billing, Cable Billing, Financial and CRM Web applications using J2EE, UML and related technologies.
• Expertise with various aspects of software lifecycle - architectural analysis, application design, coding, deployment, debugging, implementation and Testing.
• Expert level skills in developing Telecom Billing/Cable Billing/CRM web applications using Java/J2EE technologies including Spring, Design Patterns, Servlets, MVC, JSP,Hibernate, XML/XSLT, JMS, EJB 2.0, JDBC, Ant,Maven, Log4j.
• Experience in BEA Web Logic 10.3, JBOSS, IBM WebSphere 5.1, Apache Tomcat 8.
• Expertise in databases such as Oracle, SQL Server,Ingress, Postgress and MySql, back-end programming using PL/SQL and Stored Procedures in Oracle.
• Self-motivated, active and initiative with keen interest in learning and an excellent team player.
• Over 12 years of Expertise in Database like Oracle, SQL Server, Ingress
• Over 8 years of Experience in J2EE Technologies
• Over 12 years of Experience in Unix Shell Scripting, Awk and other scripting languages.
• Over 7 years of supporting large production systems which includes Confidential &T, Confidential, Time Warner Cable.
• Over 5 years of experience of handling Teams offshore and onshore.
• Strong experience on AGILE and Waterfall.
• Working Knowledge on Big Data Systems
• Basic Understanding of Hadoop,Pig,Hive Technologies Authorized to work in the US for any employer

WORK EXPERIENCE:

Sr.Java/Database Developer

Confidential - Reston, VA

• Analyzed functional requirements and HLD and prepared the Detailed Design Documents.
• Created the low level design diagrams and test plans for the new design.
• Design and Developed a Batch Job using Java and JDBC which reads records from database and calls different api.
• Design, Develop Ban to Ban Solution for moving subscribers from one Account to Another.
• Extensive use of SQL, PL/SQL and Created Oracle Stored procedures for migration of the old customers.
• Involved in Design and Development of LTE solution
• Developed WSDL for the web service to talk to other applications using XML and web service standards
• Development of Sy (A diameter based protocol) interface that allows quota management
• Worked closely with the Configuration Management team for Production install of New Code and other web services.
• Supported the production by analyzing the User created Help tickets, finding the root cause of the issue and fixing the issue by making the necessary changes.
• Worked on integration API's with different system(Payment processing, Provisioning systems).
• Supporting Production Issues on 24/7 basis

ENVIRONMENT: WIN 7, Java, J2EE, Eclipse, Oracle 11g, WSDL, SOAP, JavaScript, XML, JSP, Spring Batch, DSD, Unix

Sr. Java Developer/Lead

Confidential - Reston, VA

• Analyze High-level Design document and prepare detailed design documents.
• Coding the system based on the Detailed designed document.
• Do the Unit Testing of the code and Deploy the code into Test Environments
• Support the Test Environments and Fix the defects raised by Test teams.
• Created the low level design diagrams and test plans for the new design.
• Supported the production by analyzing the User created Help tickets, finding the root cause of the issue and fixing the issue by making the necessary changes.
• Migration of data from Legacy system into new Billing System. Wrote PL/SQL stored procedures to migrate the data.

ENVIRONMENT: WIN XP, LINUX, Java, J2EE, Eclipse, Oracle, XML, JSP, SQL Loader, SQL, HTML, DSD

Sr.Java Developer/DataBase Developer

Confidential - Reston, VA

• Analyzed functional requirements and HLD and prepared the Detailed Design Documents.
• Develop/Fix reports.
• Extensive use of SQL, PL/SQL and Created Oracle Stored procedures for migration of the old customers.
• Involved in Design and development of backend java beans.
• Developed WSDL for the web service to talk to other applications using XML and web service standards
• Development of Sy (A diameter based protocol) interface that allows quota management
• Write JUNIT test cases to test the Code.
• Developed XML parser which will parse the xml files and loads them into Oracle Database.

ENVIRONMENT: WIN XP, LINUX, Java, J2EE, Eclipse, Oracle, XML, JSP, SQL Loader, SQL, HTML, DSD

Sr. Java Developer

Confidential

• Integrated the code by calling various web methods of web services.
• Added the user authentication using LDAP and security realms of Weblogic application Server.
• Developed JUnit test cases and test suite for unit testing the code
• Prepare HLD/Detailed Design for the new development activities
• Architectural design of batch processes
• Worked on Integration between CM and CRM
• Responsible for supporting system test and acceptance test Confidential customer site
• Sanity of the Environments before it is getting released to the UAT and ST/E2E, Troubleshooting Issues Raised by UAT and ST
• Preparing the environments for Customer Demos and Presenting the customer with new products and solutions

Confidential

• Manage Defects from QC
• Developed Class and Sequence diagrams using Rational Application Developer to describe the structure of the system.
• Used Struts and JSF frameworks and encapsulated MVC design patterns along with Java Server Pages Standard Tags Library
• Developed the Presentation layer in JSPs, Servlets using Custom Tag libraries as part of Front Controller.
• Designed the Business Objects and Data Layer.
• Using AJAX technology developed the asynchronous communication between the client and server.
• Developed the business tier with reusable components of EJB.
• Used Struts Validator to avoid the need for coding for basic types of validation.
• Major role player in the enhancement, Development activities and on new releases.
• Introduced the enhancements like Date Search, Key board integration to the user-Interface etc to the Design and development phases.
• Responsible for Writing Data patches
• Perform Sanity on UAT/ST environments before releasing the environment
• Review/help in writing test cases for System test and UAT teams
• Test the data from Conversion before it is being delivered to UAT and ST
• Responsible for Bill to Bill Compare

Confidential

• As a member of the Application support team, I was responsible for the analysis of focus tickets and their resolution in DDPF application(Billing Application).
• Provide support to the client by answering their queries through symposium.
• Lead a team of 2 people, Trained new team members
• Regularly meeting with the customer for issue resolution
• Used Java Database Connectivity for connecting to the backend database and written SQL queries for retrieving and updating data.
• Developed the Test Plans for the Real Time Viewer and Report Viewers separately in accordance with the requirements.
• Performed complete Functional, and User Acceptance testing.
• Created the Data Driven Tests by creating Data pools which contains variable test data that scripts can draw from during play back.
• Created Test Suites in Test Manager by inserting the test cases, design, preconditions, post conditions and Acceptance Criteria.
• Performed Regression Testing for four successive releases

Confidential

• Interacted with the business users to understand the customer requirements
• Analyzed the Business requirements and Software Requirements to create the test procedures
• Mapping of data from Legacy(DDP/DDPF) to New billing System(Amdocs 7.0)
• Involved in the development of the Loading Tool in Java, SQL and Unix
• Designed the Business Objects and Data Layer
• Responsible for delivery & support activities in the conversion application group
• Responsible for the Bi weekly delivery of converted data to the internal clients like CIM QA team and other testing teams
• Extensive use of SQL/PLSQL, Writing many oracle stored procedures to manipulate data in oracle database
• Responsible for Load and validate the data from Legacy to ABCS system
• Analyzing/Fixing the data issues found as part of the Loading

Sr.Database Developer/Java Developer

Confidential

• Major role player in the enhancement, Development activities and testing on new releases.
• Created the XML, DOM, XSLT and Tag libraries for the Presentation layer.
• Designed the User Interface and Database Schema.
• Developed the Business Objects, JSPs, Servlets and Beans, Java
• Responsible for Fixing the Defects of Different versions of Clarify CRM Thin and Thick clients.
• Configured and customized the code for new business units.
• Developed Sessions beans for establishing communications of clients with servers.
• Developed the Data Exchange Objects and integrated with the Presentation layer to exchange the business data from Presentation Layer to the classes and Beans.
• Lead and Manage a team of 6 people
• Plan and track development team's day to day activities
• Was mainly responsible for development of OMSE(Order Management) in Clarify CRM
• Code review for the team members
• Responsible as a Quality Trustee for AE team
• Developed ANT Scripts for preparing EAR and WAR files and deployed them on development and Quality Assurance machines.
• Fixed the bugs that have been identified in the testing process
• Prepared weekly updates about testing process and defect fixes made during the week.

Sr. Software Engineer

Confidential

• Testing Different versions of Clarify CRM Thick client
• Testing different batch part of Clarify CRM Thin Client
• Prepare/Execute tests of Clarify CRM Thick/Thin client application on different platforms
• Involved in Design of test calendar for Clarify CRM business analytics applications
• Report the defects in Clarify Tool and co-ordinate with the development team for resolution.
• Automation of ebill application using winrunner
• Writing JUnit to tests Batch Applications

Sr.Software Engineer

Confidential

• Responsible for Writing the LLD for the new requirements
• Developed user interface architecture which seamlessly integrates across different business units.
• Created the user Interface with Power Builder, JSP, HTML
• Involved in development of new CR's
• Unit testing the code and fixing the Defects found during System Testing
• Developed the Bi Lingual application support for Confidential
• On site UAT Support for Confidential and got appreciation from the client
• Extensively used SQL/PLSQL and stored procedure