SUMMARY

• 6+ years of professional experience of application designs and developments in J2EE environment for various commercial industries such as finance services and telecom.
• Deeply understanding on GoF Design Patterns, very solid knowledge on Design Patterns, UML, OOA/OOD/OOP/SOA, IoC, Web Service(Restful/Soap) and N - tier Architecture
• Excellent understanding of Core Java concepts such as Collection Framework, Exception Handling, Reflection, Multi-Threading, Generics, etc.
• Expertise in open source application framework such as Spring2/3, Hibernate 3, Struts 1/2 and EJB with Strong hand-on experience in their configuration, integration and implementation.
• Strong hands on experience in the implementation of Spring IoC, Spring Cache, Spring AOP, Spring MVC, Spring Security, and Spring Dao Support.
• Experts in Web Service, WSDL, XML schema, SOAP/XML/DOM/XSLT and JSON.
• Expertise in Database Access frameworks including JDBC, Hibernate mapping, Hibernate Annotation, Spring 3 integrated with Hibernate.
• Experienced in using HTML, CSS, Java Script, Angular.js, JQuery and AJAX for web page design.
• Experience in writing SQL, PL/SQL, triggers, stored procedures on database.
• Experience in using assistant tools in software development such as JUnit, Q Unit, Ant, and Maven, CVS, SVN, etc.
• Experience in major web applications servers including, Tomcat, WebLogic and JBoss.
• Understanding of Software Development Life Cycle (SDLC), Practitioner of TDD, Agile Development and Daily Scrum to provide high quality products.
• Strong analytical, math, problem-solving skills
• Proactive and innovative team player proven to work under tight deadlines; capable of developing multiple projects and also can work efficiently as an individual.

TECHNICAL SKILLS

Programming languages: Java, C/C++, SQL, HQL, JavaScript, HTML5, CSS3

J2EE Technologies: JSP, Servlet, JDBC, JMS, EJB, JPA

Frameworks: Spring 2.x/3.x, Hibernate 3.x, Struts1/2, Bootstrap, Angular.js

Web Technologies: AJAX, JSON, XML, JNDI, EJB, Responsive design

Web Services: RESTful, SOAP

Application Servers: Apache Tomcat, JBoss, WebLogic

Database: Oracle, MySQL, Postgre SQL

Testing/Control Tools: JUnit, Log4j, SVN, CVS, GitHub

IDE: Eclipse, NetBeans, Visual Studio

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Sr. J2EE/Java Developer

Responsibilities:

• Participated in Agile development of the entire project from gathering requirements, system design, development and integration testing.
• Responsible for both front-end and back-end design and development of the web application.
• Extensively used Core Java features including Collection Framework, Input/Output System, Exception Handling, Multithreading and Generics in the logic tier design,
• Implemented the reporting service by using RESTful web service retrieving the data in JSON format.
• Worked on server side using Java, J2EE, XML, Hibernate and Spring Framework. Made used of Spring IoC, AOP, Hibernate Dao Support and Annotation features.
• Involved in performance tuning with Hibernate Caching and Spring Cache to avoid unnecessary database access and repeated calculation.
• Provided authentication and authorization to secure the application access by using Spring Security.
• Create SQL query to access Oracle database and implemented DAO to maintain the data layer and used stored procedures to save and get the information to/from Database.
• Integrated Java Mail API to send welcome message, money transfer transaction history, user account update and investment report when user sends a request
• Used JUnit to test java functions with Unit Testing and Regression Testing.
• Implemented Quartz to schedule the task of this application. Configured the quartz to automatically arrange the transaction history in the CSV file to store into the database at midnight every day.
• Used Log4j inside the application for tracking logging information.
• Used Eclipse for developing the application and CVS for version control.

Environment: JDK 1.6, J2EE, Spring 3.0, Hibernate 3.2, HTML5, CSS3, JavaScript, JQuery, Ajax, DOM, XML, JSON, Oracle, Sybase, Eclipse, JavaMail, Junit4.8, log4j 1.2, Apache Tomcat 7.0

Confidential, NJ

Java/J2EE Developer

Responsibilities:

• Participated in a small team under agile software development.
• Involved in all the phases of (SDLC) Software Development Life Cycle including analysis, designing, coding, testing and deployment of the application.
• The backend logic was mainly fulfilled using Core Java concepts such as OOP, Exception handling, Collection Framework, Generics, Input/Output System, Multi-threading and Data Structures to implement various features.
• Applied the Spring Security to improve the security of the system.
• Adapted various design patterns like Business Delegate, Data Access Objects, MVC.
• Used spring framework to implement MVC Architecture.
• Involved in implementation of RESTful web service to retrieve the user data format of JSON.
• Extensively used Spring Ioc features with spring framework for java bean management.
• Developed DAO to handle queries using Hibernate and Transfer objects.
• Used PL/SQL to write Stored Procedures, Triggers and SQL queries.
• Implemented the monthly report using Java Mail.
• Monitored the error logs using Log4j and fixed the problem.
• Adapted Eclipse IDE for writing code.
• Developed JUnit test cases in for each unit.
• Extensively Used SVN for version control and source code management.

Environment: Java6, J2EE, Hibernate 3, Spring 3.0, XML, JSP, JSTL, CSS, JavaScript, HTML, AJAX, Spring MVC, Spring Security, Log4j, Oracle10g, JUnit, UNIX, Apache Tomcat, SVN, REST Web service.

Confidential, NJ

Java/J2EE Developer

Responsibilities:

• Involved in the development of various Java beans and business components for user account, transaction history and ticket portfolio module using Core Java technology
• Used HTML, CSS, JavaScript and JSP to develop front end GUI.
• Applied spring framework to implement MVC Architecture, using spring security validation Framework in the presentation layer, Spring IoC for Dependency injection.
• Developed Hibernate Mapping file (.hbm.xml) files for mapping declaration
• Implemented Hibernate framework connected to database. Wrote Hibernate mapping files for Java Beans.
• Extensive use of core Java collections, generics, exception handling, I/O, etc.
• Development of PL/SQL stored procedures
• Implemented JAX-RS Web Services based on RESTful.
• Used Junit to test Java function with Unit Testing and Regression Testing.
• Used JIRA for bug tracking, issue tracking and project management.

Environment: Java1.5, J2EE, Java Mail, AJAX, spring 2.0, Spring MVC, Spring Security, Log4j, Hibernate 3, Oracle, JUnit, Web Service.

Confidential, NJ

Java/J2EE Developer

Responsibilities:

• Developed application service components and configured beans using Spring IoC, creation of Hibernate mapping files and generation of database schema.
• Implemented Object-relation mapping (ORM) in the persistence layer using hibernate frame work in conjunction with Spring Aspect Oriented Programming (AOP) functionality.
• Expertise in MVC Architecture using JSF and Struts framework and implementing custom tag libraries.
• Implement scripting with Ajax, JQuery to dynamically refresh the page contents.
• Used AJAX in suggestive search and to display dialog boxes.
• Involved in writing JavaScript for dynamic manipulation of the elements on the screen and to validate the input.
• Extensively worked with Oracle database for writing complex queries and PL/SQL for Stored Procedures, Triggers and Events, for generating some important responses needed by the application at times.
• Involved in using different design patterns like Service Proxy Pattern, Singleton Pattern.
• Hibernate framework is used in persistence layer for mapping an object-oriented domain model to a relational database (Oracle).
• Extensively used Java, JSP to implement the core functionality.
• Used XML Web Services using SOAP to transfer the amount to transfer application.
• Log4j were used to log the various debug, error and informational messages at various levels

Environment: Java 1.5, JSP, Servlet, Hibernate 3.x, spring 2.x, AJAX, JavaScript, Eclipse, XML, Struts 2.0, Java Script, Oracle 10g, SQL, PL/SQL, Tomcat, Junit, Log4j.