SUMMARY:

• 11.8 years experience in the Java/J2EE based enterprise application development along with System Integration and unit testing.
• Extensively worked in Core Java coding and object oriented design with strong understanding of Collections, Multithreading.
• Excellent work experience with writing SQL queries, Store Procedures for major Relational Databases DB2, Oracle 10g/9i and MS SQL Server.
• Worked on projects which use Agile (Scrum) methodology for execution
• Extensive experience in application development using Java, J2EE, JSP, Servlets, EJB2, JMS, SpringFramework (IoC, MVC, AOP), JDBC, Junit 4.0, Log4J, XML, XSD, PLSQL, JAXB.
• Worked extensively in the development of Business applications using ORM frameworks like Hibernate, iBatis.
• Extensively worked on multiple IDE tools like IBM IntelliJ, and Eclipse.
• Developed Low level design documents using UML diagrams like Class, State, and Sequence diagrams
• Involved in code versioning, Check In, Check outs and code merging using various configuration tools like CVS, Rational Clear Case and SVN (Sub Version).
• Strong knowledge in developing Web Services using SOAP and XML.
• Experience using JMS with EJB 3.0
• Experience in using Adobe Flex 3.1
• Worked on different OS like UNIX/Linux, Solaris, Windows XP.
• Strong Experience in OO Analysis and Design
• Expert Knowledge in Core Java including Java 8.
• Extensively used J2EE design patterns and Core Java design patterns.
• Created Test cases using JUnit4.4 and Mockito frameworks to test functionality of application.
• Good initiator, quick learner and excellent team - player with strong personal and group communication skills.
• Proficient and highly competent in gathering user requirements and converting them into software requirement specifications using UML, Object Oriented Techniques.
• Goal oriented team player, self-starter, quick learner, and proficient in handling multiple projects.

TECHNICAL SKILLS:

Languages: Java, J2EE

Design Patterns: Core Java and J2EE patterns

Presentation: JSP, HTML, XML, Swing/Java AWT, GWT, Flex 3.1.

Business: Spring (IoC, MVC, AOP), Servlets, EJB 2.0, EJB 3.1, JMS, Web Services using (SOAP & REST) and JNDI.

Backend: Oracle, JDBC, DB2, MySQL, SQL Server 2005, MongoDB.

ORM: Hibernate and iBatis

Application Servers: Weblogic 8.4, Tomcat 8.2, JBoss 7.1.2, WebSphere 7.2

Platforms: Windows 2K/XP, UNIX, Linux.

UNIX: Shell Scripting using Socket programming, Job Scheduling (Cron and Control-M).

Build Tools: ANT, MAVEN, GIT, Gradle

Deployment Tool: Ansible

Continuous Integration: Bamboo, Jenkins

Code Profiler: Sonar, Emma

Defect tracking tools: JIRA, HP-QC, Radar

Parsers: DOM and SAX

Doman exposure: in Banking, Education, Manufacturing and Telecom (Wireline and wireless)

PROFESSIONAL EXPERIENCE:

Confidential, Sunnyvale, CA

Responsibilities:

• created monitoring dashboards using Splunk
• I created automated central tickets and email alerts using Splunk
• Configured continuous integration tool Jenkins for builds to be uploaded to a Nexus repository
• Used this build information to write deployment scipts using ansible framework and deployed code for new environments like performance and did sanity testing
• Writing new Restful APIs for various scenarios: checkUpgradeEligibility, authorizeInstallmentPayment, processInstallmentPayment, processCancelInstallmentAuthorization, fulOrderCancellation, partialOrderCancellation etc
• Mentored new team members in the usage of Splunk, explained Architecture and database design

Environment: Restful WebService, Spring, Spring’s Jpa Repository

Confidential, Sunnyvale, CA

Responsibilities:

• To develop Junit test cases for Consumer
• Write enhancement code for Consumer
• Test for scalability.

Environment: Core Java, Multi-threading, Kafka Consumer APIs and Kafka buffer management

Senior Java developer

Confidential, Bethpage, NY

Responsibilities:

• Writing shutdown hook for graceful shutdown and consuming the messages from queue for one last time in a multi-threaded environment
• Developing an algorithm for adaptive rate for producer consumer system
• Applying the feedback from the algorithm to produce a constant rate of consumption and production for the Kafka collector.

Environment: Core Java Multi-Threading Kafka APIs

Senior Java developer

Confidential, NYC, NY

Environment: Java 1.6, JSF, Oracle 10g, Spring Batch, XML, XPath, XSLT, Axis 2.0, JAXB, BEA Weblogic 6.0, Eclipse, Unix, SVN.

Responsibilities:

• Involved in Production support phase of the application.
• Leading and coordination with offshore team for Production Support management
• Debugging and resolving bugs in Web Services and Spring Batch code.
• Analysis of HTTP requests and responses using proxy tools to identify security issues and to design and develop the solutions to resolve the same.
• Preparing DB scripts and PL/SQL programming to resolve DB related production issues
• SQL Query tuning to enhance performance of application in production environments.
• Served as POC for on call support in the production team on a rotation basis.

Technical Lead

Confidential, NYC, NY

Responsibilities:

• Participated in the system architecture and design and made use of proven Gang-of-Four (GOF) and J2EE design patterns
• Designed and implemented complete functionality for support of web pages involving UI ( Confidential ’s own UI framework using JSON and JQuery), DTOs, Business logic execution and invocation using EJBs. ( MDBs, Statefull and Stateless)
• Designed and implemented complete functionality for support of Business Actions using JMS, EJB 3.0 and Spring (IoC) and implemented Log4j on Websphere application server.
• Mentored & guided the team on Confidential framework, Hibernate and Spring(IoC)
• Developed the core part of the application: Global Rules Engine
• Developed XSD and XML files for sending and receiving JMS messages.
• Used CVS as a version management tool.
• Configured queues on WebSphere using ActiveMQ.
• Used MDB’s to read the messages from JMS queues for asynchronous communication

Environment: Java, Spring 3.1.1(Ioc), EJB 3.0, Hibernate 4.0, WebSphere, JBoss, Oracle 11g, XML,XSD, JAXB, RESTful APIs.

Technical Lead

Confidential, Boston, MA

Environment: GWT 1.4, J2EE, Core Java, PL/SQL development using DB2

Responsibilities:

• Involved in architecture, analysis, development and Production phases of the application.
• Used GWT with JavaScript to fetch the requested command actions and report pages, save reports as Excel.
• Developed presentation tier with the help of Model-View Presentation pattern to separate business logic in Presentation tier from view.
• Used OSA-GWT framework for the GUI screens.
• Developed XSLT files for transforming the XML response from the web service into HTML.
• Implemented logger for debugging using Log4j.
• Used JDBC for connectivity to DB2 for real-time tables.
• Developed stored procedures, triggers and sequences in DB2 and called them from java using callable statements.
• Performance tuning of application and environment for optimized performance during month end load using JProbe.
• Used GWT compiler and ANT script to build the JAR file.

Senior Java developer.

Confidential

Environment: Core Java, SOAP/XML for Webservices, Hibernate (whose calls were modified to suit the framework used here) and Maven as build tool.

Responsibilities:

• Coding and Unit testing
• Release of work packages
• Maintenance of web services using technologies: SOAP over HTTP
• Fixing bugs for application.
• Client interaction for product releases, issues clarifications and follow ups.
• Also involved in design, analysis of new change requests

Technical Lead

Confidential

Environment: Core Java, Clearcase, RPC

Responsibilities:

• Responsible for implementation, basic testing, release of work packages.
• Implemented new specifications, fixed bugs for application.
• Client interaction for product releases, issues clarifications and follow ups. involved in design, analysis of new change requests using RPC

Java Developer

Confidential

Environment: Core Java, Spring Framework, Ibatis, Flex (RIA), BlazeDS

Responsibilities:

• Responsible for design and development of Flex Application from scratch.
• Understanding event based programming and designing the relational data model for database
• Writing enhanced queries for application not provided by IBatis by default
• Unit Testing and Integration of application

Senior Subject Matter Expert

Confidential

Environment: Core Java, Spring Framework (IOC), Message Driven Beans

Responsibilities:

• Understanding the Orchestration and Service Fulfillment architecture for B/OSS Product
• Writing code to support the Managed Network Activation framework using Spring (IoC) and JMS queues
• Unit testing by consuming the services