SUMMARY

• Over 6 years of professional experience as a Java Developer in Object Oriented development, implementation and maintenance of web and distributed Enterprise applications using Java/J2EE technologies for banking, financial, insurance, Energy, Hotel and Mortgage organizations using Java, J2EE, JSP, AJAX, JQUERY, Servlets, EJB, AJAX, Hibernate, Spring, JNDI, Webservices, JDBC, JAXP, RMI, XML, Javascript.
• Experience in client - side development with HTML,CSS, JavaScript, AJAX
• Performed requirement analysis, and prepared High Level and Low Level design (HLD and LLD).
• Experience in MVC architecture, Spring framework, EJB, J2EE Design Patterns, Spring IOC, Java Server Faces and Hibernate.
• Used and worked with SOAP and Rest Webservices.
• Working knowledge of Agile SCRUM methodology.
• Worked with backend Oracle PL/SQL and writing stored procedures.
• Experienced with Big Data using Mongo DB, HDFS, Pig and Hive
• Experience with Core Java with multithreading, Concurrency, Exception Handling, File handling, IO, Generics, Data structures and Collections, Garbage Collection.
• Experience in DB2, Oracle, SQL Server 2000, and MS ACCESS databases. Hands on with PL/SQL Stored Procedures, Triggers and Views.
• Created Unix Shell Scripts and maintained production scripts.
• Experience with unit testing using Junit and knowledge of ANT and Log4j tools.
• Experience Working in Production support on 24 x 7 x 365 basis.
• Excellent communication, analytical, interpersonal and presentation skills.

TECHNICAL SKILLS

Java J2EE: JDK (1.6), J2EE, AJAX, Servlets, Struts 2.0/1.2, Spring 2.5/2.0, Hibernate, EJBJSP 1.2, JDBC 2.0, JNDI, ANT, XML, (Parsers DOM, SAX), Java BeansWeb services (WSDL, XML, SOAP), HTML, DHTML, JavaScript.

Frameworks: Spring 1.x/2.x/3.x, AJAX, Hibernate 3.0, Struts 1.x/2.x.

Languages: Java, JQuery, SQL, T-SQL, Map Reduce, PL/SQL, XML, HTML, DHTML, UML.

Database: SQL Server 2005/2008, Oracle 9i/10g, MySQL 4.1, Hbase, Mongo DB.

Servers: Apache Tomcat 5.5, JBoss 5.0, Weblogic App Server.

Script /OS: JavaScript, Perl, Shell, Linux, ANDROID, UNIX, Windows XP/NT/2000.

Tools: Eclipse 3.5, JSON, CVS, MAVEN, ANT, Log4J

PROFESSIONAL EXPERIENCE

Confidential, San Jose, CA

Java / J2ee Developer

Responsibilities:

• Worked on enhancing the UI and Server Business Logic.
• Enhanced the UI using Ajax, jQuery JavaScript, HTML and CSS.
• Designed and implemented MVC architecture using Spring Framework.
• Designed developed and maintained the data layer using Hibernate.
• Wrote code to develop DAO’s using complex queries.
• Designed and developed Middleware Components using Weblogic Application Server
• Developed Map Reduce jobs in Java.
• Load and transform large sets of structured, semi structured and unstructured data
• Used subversion for maintaining code.
• Created backed PL/SQL Stored procedures and SQL.
• Used JUnit for Unit testing the application.
• Performed production support of the application in production.
• Wrote code extract data from Mongo DB
• Wrote code to transform decision area entities in RDMS to document oriented database

Environment: Java, J2EE, AJAX, JSP, Servlets, Spring 3.0, JBOSS, Hibernate Map Reduce, Hadoop, HDFS, XML, JSON, Web Services, ANT, Weblogic Application Server, WSDL, JavaScript, PL/SQL,CVS, Oracle 10g, Unix/Windows.

Confidential, San Francisco, CA

Java Developer

Responsibilities:

• Worked on impact analysis to migrate existing persistence layer to hibernate
• Develop and maintain elaborate services based on Struts MVC Framework.
• Developed Rich User Interface using Java Server Pages (JSP), HTML, and CSS.
• Design and develop UIs using JSP, Struts, coded back end using Java and struts framework.
• Implemented Struts JDBC framework and Declarative transactions.
• Involved in database design and creating database objects like tables, and retrieving data from tables in Oracle and DB2.
• Created web pages using JSP, HTML and CSS.
• Used Apache SOAP to call a XML Web Service, Created web services using SOAP, to allow application and services to connect to them over the Internet.
• Involved in Feature Enhancements, Researching, Evaluating and Solving Production Issues.
• Deployed the application in JBOSS Application Server.
• Used Eclipse IDE for development and SVN for versioning.
• Used Perl/Shell Scripts for running the automated test scripts and used Junit for performing White box/Unit Testing.

Environment: Core Java, JSP, Servlets, Struts, Hibernate, Web Services (SOAP), HTML, CSS, JavaScript, JUnit, Perl, Shell, DB2, Oracle 10g, SQL, JBOSS, Eclipse, CVS, Linux/UNIX.

Confidential, Fremont, CA

Java / J2ee Developer

Responsibilities:

• Involved in preparing engineering specification with OOA and OOD.
• Created the UI using Ajax, JavaScript, HTML and CSS
• Designed and implemented MVC architecture using Spring 3.0 Framework. configured and Used spring jdbc to manipulate data in data base
• Configured spring rest based web-services for accessing API.
• Used spring web service template for accessing data in API’s using Restful Web services
• Created modules to retrieve data from web services API and parsed the output JSON.
• Parsed the rendered Json string to appropriate fields in value objects.
• Designed developed and maintained the data layer using Hibernate.
• Created backend data layer PL/SQL stored procedures Tables, schemas.
• Loaded data in Oracle Tables using SQL*Loader.
• Created Java/ JDBC code to read/update data.
• Implemented Authorization & Authentication, security using LDAP.
• Deployment of Servlets, EJB’s on Weblogic and JBOSS servers.
• Did Importing and exporting data into HDFS using Sqoop
• Experienced in managing and reviewing Hadoop log files
• Wrote code to develop dao's using complex queries.

Environment: Java, J2EE,AJAX, JSP, Servlets, JBOSS, Hibernate Struts2,, XML, JSON, Web Services, ANT, SOAP, WSDL, JavaScript, PL/SQL,CVS, Oracle 10gi, Windows 2000.

Confidential

Software Engineer

Responsibilities:

• Requirement gathering, Gap analysis, workflow design, decision-making rules, source and destination of required inputs
• Perform Business analysis and create High-level design and detail design of the entire process.
• Designed and developed backend Java Components residing on different machines to exchange information and data using JMS.
• Designed and Implemented MVC architecture using Struts Framework, Coding involves writing Action Classes/Forms/Custom Tag Libraries, JSP and EJB’s.
• Created web services using SOAP, to allow application and services to connect to them over the Internet.
• Designed, developed Middleware Components using Weblogic Application Server 5.1, persistence registration object, request entry handling (controller) object, concurrency object, transaction object.
• Developed the Java components to access content from content providers (via HTTP, FTP) to obtain data of various types XML and HTML.
• Developed and maintained GUI using JSP and HTML.
• Used Javascript for client side validations.
• Deployed EJB (Session Beans) on Websphere App Server.
• Created stored procedures and Triggers using PL/SQL. Created tables, Views and other database objects in the Oracle database.
• Involved in debugging and load-testing of the application. Provided production support to the end users and performance tuning.

Environment: JAVA J2EE, Websphere Application Server 5.1, JBoss, EJB, JSP, Servlets, MVC, Struts, XML (DOM and SAX), XSLT, Javascript, Oracle 8i, JDBC, PL/SQL, Eclipse, ANT, Rational Rose, Windows NT/2000.