SUMMARY:

• Senior Java J2EE Developer/Team Leader with 9+ years of experience in Application Analysis, Design, Development, Integration, Deployment and Maintenance/Production Support for Web based and N - tier distributed Applications in Health care, Banking and Logistic domains
• Worked in all phases of software development life cycle using waterfall and Agile model
• Expertise in design and development of various web and enterprise applications using Java and J2EE technologies like Core Java, Collection framework JDBC, Servlets, JSP, Ajax, Struts, Apache Camel, Spring, Hibernate, Web Services, HTML, CSS, XML and JavaScript.
• Experienced in using Design Pattern: Singleton Pattern, Session Façade Pattern, MVC Pattern, and Business Delegate Pattern, Value Object pattern, DAO pattern.
• Strong Working experience in Design, Development and implementation of several J2EE frameworks like (Model View Controller), Spring IoC, Spring MVC, Spring Web, Spring JDBC, Apache Camel and Hibernate
• Strong knowledge in developing REST services in multitier web based applications using Spring framework, Apache camel, Maven, JAXB, XML/XSD, JSON and Hibernate.
• Extensive experience in developing web Applications using Struts framework implementing Action Classes, Action Forms, Struts Validation, Struts Tiles and Struts Tag Libraries.
• Developed the workflow interfaces using JSPs, CSS, Struts Tiles layouts and the request processors using Dispatch Action and Action.
• Designed and developed Utility Class that consumed the messages from the Java message Queue and generated emails to be sent to the customers. Used Java Mail API for sending emails
• Proficiency in programming with different Java IDE’s like Eclipse, RAD and JBoss Studio etc.,
• Strong knowledge in working with databases like Oracle, DB2 and MySQL in writing DDL, DML and Transaction queries with development tools like Toad/SQL developer.
• Expertise on entire Software Development Life Cycle (SDLC) in Intranet and Internet applications using Web/Application Servers like, Tomcat, IBM Web Sphere, JBoss EAP, and ESB like JBoss FUSE etc.,
• Good experience in developing test cases with JUnit for Unit testing, Load testing using JProfiler and logging using Log4J/Slf4J.
• Good experience in using building tools/script like Ant and Apache Maven.
• Building and Deployment of EAR, WAR, JAR files on test, stage and production servers using JENKINS and UDeploy tools.
• Very good experience in using SVN,GIT HUB for Version control systems and in using Splunk log monitoring systems.
• Excellent team Player with good Technical, Analytical and interpersonal skills.
• Strongly motivated and goal-oriented.
• Very good in multitasking, handled 6 applications at a time with no escalations from client in one of my maintenance/support role

TECHNICAL SKILLS:

Languages: Core Java, SQL, PL/SQL, Linux/Unix

Operating Systems: Windows 98/2000/XP/7, Linux, Unix (AIX), MS-DOS

J2EE & Distributed Technologies: Servlets, JSP, JDBC, JAVA Beans, JMS, JNDI, JAXB, HTML, Java Script, JSTL, ANT, Apache Maven, RMI, XML, REST & SOAP Services

Framework Technologies: Apache Camel, Spring 2.0, Struts 1.x, Hibernate 3.0, JUnit, AJAX, Log4J

Web/App. Server: Tomcat 5.5/6.0, IBM Web Sphere 6.1/7.0/8.0, JBoss EAP 6.0/6.1, Web Logic 7.0/8.1/9.2

IDEs & Other Tools: Eclipse 3.1, WSAD 5.1, RAD 8.0, JBoss Studio 8.0, JBoss FUSE, TOAD, SQL Developer, Tortoise SVN, WINCVS, GIT HUB and Splunk etc.RDBMS: ORACLE 10g/11i/12c, MySQL, IBM DB2

Log & Defect tracking Tools: Winscp, Putty, FileZilla, HPSM, HP Quality Center, Mercury Test Director etc.

, OOAD: UML, Rational Rose, Design Patterns

PROFESSIONAL EXPERIENCE:

Confidential, Windsor, CT

Sr. Java Developer/Team lead

Roles & Responsibilities:

• Involved in client/business meetings to gather requirements and to make rough analysis/disgn documents.
• Involved discussions with application architect to make estimations and design documents
• Involved in developing UML Use case diagrams, Class diagrams, and Sequence diagrams using Rational Rose.
• Involved in developing REST services based on the design documents using spring and hibernate with apache camel rule-based routing configurations .
• W orked on agile environment uses incremental approach and have daily standup meetings.
• Worked on unpropertied other configuration files to make application can run in different environments like SYS, DEV, PRD and PFIX etc.,
• Used Apache Camel for rule-based routing and mediation engine to provide a Java object-based implementation of the Enterprise Integration Patterns using an API to configure routing and mediation rules.
• Developed Hibernate 3.0 in Data Access Layer to access and update information in the database.
• Used Spring Framework for Dependency injection and integrated with Hibernate
• Designed and developed Utility Class that log service metrics of each consumer request and response to track the timeout incase slow response times .
• Coded Maven build scripts to build and deploy the application on JBoss EAP 6.1
• Used JUnit framework for unit testing of application and Log4j 1.2 to capture the log that includes runtime exceptions.
• Used SVN for version control and used as the JBoss Studio IDE for implementing the application.
• Worked with DBA on stored procedures to achieve the business requirements from database .
• Used Jenkins/Udepoy to build/deploy daily builds and run test Automation Suites.
• Fixed couple critical tickets raised by QA during their system testing.
• Troubleshoot issues in production environment with the help of logs and available tools like Splunk .
• Mentor for offshore team members for allocating tasks and to use best practices.
• Fixed the Memory leakages by using factories and proper exception handling and finally releasing resources in finally block. Also to see if we can go for lazy initialization to save resources

Environment: Java (Jdk 1.6/1.7), Apache Camel, IBM MQ, REST Services, Spring Framework, Hibernate, Apache Maven, Log4J/slf4j, JBoss 6.1 EAP,Jboss Fuse, Tortoise SVN,GIT Hub and Oracle.

Sr. Java/J2ee Developer (offshore)

Roles & Responsibilities:

• Prepared Technical Design Document to understand the existing flow of the application.
• Participated in the analysis, design and the developing of different modules with enhanced business requirements like., Implementing Single SOS & Dual SOS based on pricing option selected.
• Used online Agile scrum development process during the project process to gather up the requirements and issues.
• Used JSP, JSTL and Ajax to develop the User Interface.
• Used Java script for client side input validations.
• Used Struts framework implementing Action Classes, Action Forms, Struts Validation, Struts Tiles and Struts Tag Libraries.
• Implemented Single ton design pattern to load/store the static drop down values in hash maps to use further in the application where ever required.
• Developed Action classes using core java, collection frameworks and used Struts Model view controller design pattern for controller and business logic.
• Worked with DBA on developing database interface using IBM Db2 Stored Procedures, functions, views cursors, table partitions for populating tables.
• Involved in preparing Technical Design and performed reviews on Architecture, Configuration & Deployment Guide
• Used IBM RAD 8.0 as IDE and IBM WebSphere as application server 8.0 to develop application.
• Used Tortoise SVN for source code repository and version controlling.
• Used Jenkins/Udepoy to build/deploy daily builds during integration testing and System testing
• Apache Maven was used as a build tool for the project.
• Involved in peer review of code and enhancement of application.
• Tested the application in different environments for cross browser compatibility.
• Fixed couple critical tickets raised by QA during their system testing
• Involved in fixing out of Memory (OOM) issues by implementing Lazy initialization, Passivation, Caches (MostFrequentlyUsedMap & MostRecentlyUsedMap), pruning, Object Factories, newCachedThreadPool for short lived tasks.
• Resolve Customer BUGs within given SLA.
• Mentor Juniors/Fresher about project architecture and best practices.
• Created branches in tortoise SVN code repository for maintenance of customer versions.

Environment: Java (Jdk 1.5/1.6), Struts 1.x framework, JSP, JSTL, JavaScript, Html, Log4J, IBM RAD 8.0, IBM WebSphere 8.0, Windows 7, Unix, Apache Maven, IBM Db2, Tortise SVN.

Sr. Java/J2EE Developer(offshore

Roles & Responsibilities:

• Involved in discussions with clients and onsite technical coordinators for requirements analysis.
• Involved in preparing POC’s for new business requirements to show a demo to the client to get the final approval of projects.
• Prepared and involved in design documents for few modules like IS Product - Add new Program, Add New Product
• Created user interfaces using JSP, JSTL, HTML, Java script and Ajax for new screens
• Used Struts framework implementing Action Classes, Action Forms, Struts Validation, Struts Tiles and Struts Tag Libraries for new business enhancements.
• Implemented Single ton design pattern to load/store the static drop down values in hash maps to use further in the application where ever required.
• Involved in implementation of consuming SOAP web services using WSDL files
• Involved in developing utility classes using core java, collection frameworks and used Struts Model view controller design pattern for controller and business logic for COBRA Toolset Automation sub project
• Implemented various design patterns in the project such as Business Delegate, Data Transfer Object, Data Access Object, Service Locator and Singleton.
• Worked with DBA on developing database interface using IBM Db2., like Stored Procedures, tables to fetch the data from the database.
• Used AJAX for asynchronous calls based on business requirements where ever applicable and for faster response time.
• Used SAX and DOM parser to parse the XML documents and XSLT for transformations.
• Used Log4j for logging messages and WINCVS for version Control.
• Used Apache Maven scripts to fetch, build, and deploy application into different environments.
• Deployed the application on IBM Web Sphere application server.
• Used Rational Rose for Use Case diagrams, Active flow diagrams, Class diagrams, Sequence diagrams and Object diagrams in design phase.
• Used JUnit framework and Easy Mock for Unit Testing.
• Identified and fixed some critical bugs during system testing.
• Mentor for other team members and assigning the tasks and to apply best practices.
• Involved in peer review of code during/after code development to avoid memory leaks.

Environment: J2EE 1.4, Servlets, JSP, Struts 1.2, UML, Oracle 9i, RAD, WebSphere 6, DB2, AJAX, JUnit, Apache Maven, JAX-WS Web services, WINCVS, HTML, JavaScript and Unix/ Shell Scripts.

Confidential

Java/J2EE Developer

Roles & Responsibilities:

• Responsible and active in the analysis, definition, design, implementation, and deployment of full software development life-cycle of project.
• Involved in the discussions with onsite TSA’s while gathering the requirements.
• Used Rational Rose for Use Case diagrams, Active flow diagrams, Class diagrams, Sequence diagrams and Object diagrams in design phase
• Involved in development of Trade, GIC, MF and CRP products to display the client’s details areas.
• Created user interfaces using JSP, JSTL, HTML, Java script and Ajax for new screens
• Used Struts framework implementing Action Classes, Action Forms, Struts Validation, Struts Tiles and Struts Tag Libraries for new business enhancements.
• Implemented Single ton design pattern to load/store the static drop down values in hash maps to use further in the application where ever required.
• Involved in implementation of consuming SOAP web services using WSDL files
• Implemented various design patterns in the project such as Business Delegate, Data Transfer Object, Data Access Object, Service Locator and Singleton.
• Involved in a DAO layer using JDBC and Teradata as database to fetch the customer information
• Used IBM WebSphere and RAD as application server and IDE
• Used WINCVS for code repository functions
• Resolved the critical defects while in QA phase.
• Involved in giving the support to IST, UAT and Production of ECV application.
• Involved in giving demos with onsite TSA’s and clients.
• Involved in peer review of entire source code.
• Monitoring and identifying the tasks to the 6 members team as suggested by manager.

Environment: Java/J2ee, jre 1.6, IBM RAD, IBM WebSphere, Struts1.2, Servlets, JSP, JSTL, AJAX, DOJO, Teradata, XML, ANT, Rational Rose, Junit, SOAP Web services using JAX-WS, WSDL, SOAP UI

Confidential

Java Developer

Roles & Responsibilities:

• Involved in the discussions with customers while giving requirements.
• Involved in development of CR’s in the application based on Technical Design.
• Involved in creation of user interfaces using JSP,JSTL,HTML,Java script and Ajax for new screens
• Involved in handling the enhancements according to the functionality.
• Involved in designing the crystal clear reports.
• Writing Views in PL/SQL for Crystal clear Reports
• Involved in implementation of client side validations using JavaScript
• Developed EJB Session Beans to communicate with Controller and database layer.
• Generated POJO classes to map to the database tables.
• Used Oracle 10g as database and worked with DBA in the development of procedures, triggers and views
• Used Eclipse as IDE for developing the application.
• Involved in deploying the application in WebLogic application server, developing and executing the UNIX Shell Scripts for deploying the application in the server.
• Performed Use case design, object modeling using UML, like Transformation of the Use Cases into Class Diagrams, Sequence Diagrams and Activity diagrams.
• Prepared Test cases and Reviewed Code and Test cases and performed Unit testing and system testing using Defect Tracking System.
• Resolved performance issues and Actively involved in Load testing support using tool JProfiler
• Involved in Code review and Code review corrections of the entire application

Environment: Java, J2EE, JSTL, AJAX, Design Patterns, Servlets, JSP, JNDI, EJB, WINCVS, PL/SQL, XML, XSD, JBoss 4.2, WebLogic 7.2, OC4J, Oracle 10g and JProfiler.