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Hadoop Developer Resume

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  • 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


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


Hadoop Developer



  • 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



  • 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



  • 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



  • 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.

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