SUMMARY

• Over 5+ Years’ Experience as Java/J2EE, Hadoop Developer, Worked in the areas of Analysis, Design, Development and Implementation phases of Object Oriented, Web based and Big Data applications.
• Extensive work on Core java concepts like Data Structures(Collections), Multi - Threading, Inheritance, Abstraction, Encapsulation, Polymorphism and Exception handling.
• Expertise in development and deployment of multi-tiered web based enterprise applications using J2EE technologies like Servlets, JSP, Hibernate, Spring, JDBC,Java Beans and Web services .
• Extensive experience using Spring Framework in business layer for Dependency Injection, AOP, Spring MVC, transaction management and using Hibernate as a persistence layer.
• Proficient in several frameworks like Hibernate ORM, Spring Framework 2.x,3.x and JSF.
• Experience in implementing DAO layer using ORM tools like Hibernate core interfaces, annotations and optimization's.
• Extensive experience in SQL, Stored Procedures, Functions and Triggers with data base Oracle
• Expertise in client side designing and validations using HTML, CSS, Java Script, AJAX, JSP, XML and Swing.
• Experience in using Maven and Ant for build automation.
• Good Experience in developing test cases with Junit and logging with Log4j.
• Hands on exposure to multiple Application Servers like Web logic, Apache Tomcat and Web Sphere Application/PortalServers.
• Having very good knowledge on JSR168 & JSR 286 API’s to work with Portlets on Websphere Portal server7.x.
• Extensive development experience on different IDE's like Eclipse, RAD and NetBeans for debugging and using java coding standards.
• Good debugging skills that deep diving into technical issues, collaborating with cross-domain experts, handling clients with different priorities and mind sets, both on-site and remote.
• Complete understanding of Agile/SCRUM with the ability to conduct SCRUM meetings, co-ordinate team activities in a strict-deadline driven environment and maintain excellent client communication.
• Import/export data from Oracle/Mysql data base to/from HDFS using Sqoop and JDBC.
• Develope Hive scripts for end user / analyst requirements for Adhoc analysis.
• Used and Wrote Partitions, Bucketing concepts in Hive and designed both Managed and External tables in Hive for optimized performance
• Wrote Hive queries for data analysis to meet the business requirements.
• Wrote Map Reduce POC PI, Bloom Filter, Inverted Index etc using Java API .
• Install and configur Hadoop MapReduce, HDFS and develope multiple MapReduce jobs in Java
• POC conducted for different Use cases and documented on AWS Platform (EC2,ElasticMapReduce,S3).
• Develope solutions utilizing the Hadoop ecosystem such Hadoop, Hive, HBASE, Pig, Sqoop, Oozie, Hue, Zookeeper etc

TECHNICAL SKILLS

Application Servers: Web logic, Apache Tomcat, Websphere Application/Portal server, LDAP Servers.

JAVA Technologies: Java/J2EE, Servlets, JSP,EJB,JPA, Hibernate, Spring, JDBC, Swings, struts 1.x,2.x, JSF and Portlets(JSR 168&JSR 286 API).

Big-Data Hadoop: HDFS, MapReduce, PIG, HIVE, Sqoop, Flume, Hbase, Hue, zookeeper, oozie, AmazonWebServices(AWS), R Knowledge

IDE Tools: MyEclipse, NetBeans, RAD.

Web Technologies: JavaScript, CSS, HTML, XML, Jquery

Database: Oracle, MySql, SQLSever 2012

Design Methodologies: Agile scrum, water fall

Operating Systems: Linux, Windows XP/Vista/7/8/10

Tools: Junit, Cvs, Svn, Mks, log4j, Maven, Ant, Sonar(Code Quality Check), ServiceNow, Tectia SSH Client

Defect Tracking Tools: HP Quality Center10

PROFESSIONAL EXPERIENCE

Hadoop Developer

Confidential

Responsibilities:

• Created Hive tables and working on them using Hive QL.
• Involved in creating Hive tables, loading with data and writing hive queries which will run internally in map reduce way.
• Implemented Partitioning, Buckets in HIVE.
• Imported/exported data from RDMS to HDFS using Sqoop.
• Wrote shell script file to run hive jobs.

Environment: Hive, Shell Script, Sqoop, Windows 7

Java & Spring Developer

Confidential

Responsibilites:

• Worked in Spring MVC module to develop different controllers.
• Involved WASCE Server migrations.
• I have done xml parser development.
• Involved to fix UI issues.
• Writing Test cases and tested in Dev Environment.
• Involved in developing ANT scripts as per project.
• Myself Handled All Project related Deployment in SIT, UAT and PROD.
• I am the coordinator Of Service Now tool to review all kind of deployments to my project.
• I get the requirement gathering, Estimations and developing for the project.

Environment: Java, J2EE, Spring, log4j, Ant, Junit, SVN, WASCE 3.x Server, My Eclipse8.x, AJAX, Windows 2007.

Java & Websphere Portal Developer

Confidential

Responsibilities:

• Writing JUNIT Test cases and Test it for integration layer messages
• I configured Themes and Skins for providing look and feel for the application
• Developed JSF(Jhx) components and its validation process.
• Developed DataTable concept in JSF.
• Handling Spring IOC and AOP concepts
• I implemented validations as per business rules.
• Involved in Security problems to prevent hacking issues.
• I implemented IPC for sending data from one portlet to another portlet.
• Involved in portlet preference concept.
• Developed page-to-page communication concept using Cross Page wiring
• Adding, removing portlet creating pages and its management in websphere portal sever.
• Involved in Design documents, coding, unit testing, debugging of enhancement, bug fixing and deployment on various environments.

Environment: Java, J2EE, JSR 168 portlets, JSF, Spring, log4j, maven, Junit, MKS,Web sphere Portal Server7.0, Rational Application Developer 8.5.1, Windows 2007.

Java Developer

Confidential

Responsibilities:

• Developed the application using Spring Framework that uses Model View Controller (MVC) architecture with JSP as the view.
• Developed presentation layer using JSP, HTML and CSS and JQuery.
• Extensively used Spring IOC for Dependency Injection.
• Used Hibernate for Object-Relational Mapping and for database operations in Oracle database.
• Created connections to database using Hibernate session Factory, using Hibernate APIs to retrieve and store data to the database with Hibernate transaction control.
• Developed several POJO class to map table data into Java Object.
• Involved in application deployment using ANT script
• Developed Server side components with using Hibernate as ORM Mapping and Spring
• Closely worked with the QA team for testing and resolve bugs in the application.

Environment: Java, J2EE, JSP, Spring, Hibernate, WAS6.0, MyEclipe, Ant, Junit,Oracle9i and Windows XP.