SUMMARY

• 10+ years of overall experience with java, J2EE and hadoop
• 4+ years of experience Hadoop Technologies like MapReduce, Pig, Hive, HBase, sqoop, oozie and zookeeper.
• Ability to optimize the usage of Hadoop to get maximum performance be it in Amazon Web Services, RackSpace or In - House Cluster.
• A passion to learn new things (new Languages or new Implementations) have made me up to date with the latest trends and industry standard.
• Experience in working with Hortonworks environment and MapR.
• Extensive experience in migration of Data Warehouse from RDBMS to Hive.
• Using Sqoop for import multiple table data from RDBMS to Hadoop environment.
• Expertise in developing MapReduce jobs to facilitate the flexibility of ETL.
• Using Pig to aggressively analyse and expose the various facts of the data on the fly.
• Experience using integrated development environment like Eclipse, Net beans, JDeveloper, MyEclipse.
• Experience with writing complex SQL queries in Confidential DB2, Oracle 10g, MS SQL Server 2005/2008, and MySQL.
• Ability to work on diverse Application Servers like JBOSS, APACHE TOMCAT, WEBSPHERE.
• Proficient in adapting to the new Work Environment and Technologies.
• Highly result oriented and pro-active, proven abilities to learn new technologies quickly and implementing them successfully in production.
• Experience in Working with various sizes of team from small to very large.
• Quick learner and self-motivated team player with excellent interpersonal skills.
• Well focused and can meet the expected deadlines on target.
• Experince Working with kafka, Storm and Spark.
• Experience Working with Machine Learning systems like Mahout.
• Excellent Communicational and written skills.

TECHNICAL SKILLS

Hadoop Certification: Cloudera Certification for Apache Hadoop Developer

Hadoop Technologies: HBase, HIVE, Sqoop, Flume, HDFS, Oozie, HCatelog, Mahout

J2EE Technologies: Servlets, JSP, EJB, JDBC, Web Services (WSDL, SOAP), Spring and Hibernate

Web Servers/application servers: Apache tomcat Server, Confidential WebSphere server, JBoss

Web tools and languages: HTML, XML, CSS, DHTML, Java Script

Databases: Confidential DB2, Oracle8i/9i/10g, MS SQL Server 2005/2008, MySQL

Languages: Java / J2EE, HTML, SQL

Operating Systems: Windows 2003/2008/XP/Vista, Unix, Linux (Various Versions)

Tools: MS-Office 2003/2007/2010 , Eclipse3.3/3.4, Eclipse, Net Beans.

Version Control: Confidential RTC.

Others: ASP.NET, VB.NET and C#

IDEs: Eclipse, NetBeans, JDeveloper, MyEclipse

PROFESSIONAL EXPERIENCE

Confidential, Parsippany, NJ

BigData Lead

Responsibilities:

• Using Sqoop to load data from DB2/Mainframe into HBase environment.
• Insert Overwriting the HIVE data with HBASE data daily to get fresh data every day.
• Using SPARK code written in python to perform ETL task where possible.
• Using Kafka with SPARK Streaming to consume messages from other system.
• Creating various views for HBASE tables and also utilizing the performance of Hive on top of HBASE.
• Using XML to get data and get some new information about the claim using XPATH UDF.
• Creating Custom UDF and UDTF to perform java operation in Hive and Pig.
• Using MLlib for detecting correlation for Fraud Detection score.
• Using Pig to transform large datasets into required format.
• Using Distributed Cache to store reference data and Improve performance of MR.
• Actively involved in the decision process of the data flow and utilization.
• Hortonworks 2.3 being used with Hive 1.2.1/HBASE 1.1.1.
• Using Spark SQL where possible to efficiently run the hive queries.
• Extensively used Map-Reduce to process the available terabytes of data.
• Using HCatalog to create on the fly tables and daily refreshing new data.
• Used PVCS for version control and maintaining the code.
• Using various Queue Names to give priority to the job being processed.
• The processed data is then provided for various applications consumption.
• Deployed and tested the application on UNIX based environments.

Environment: Hadoop, HBase, Hive, Map-Reduce, DB2, java, XML,, Pig, PVCS, UNIX, HCatalog.

Confidential, Orem, UT

Sr Hadoop Developer

Responsibilities:

• Using Core-Java to write Map-Reduce Jobs.
• Using Amazon Elastic Map-Reduce for processing data.
• Using Json to get data and store data into HDFS.
• Using Amazon RDS as Database for processing relations.
• Actively participated in the deployment of Hadoop Cluster into individual nodes.
• Involved in the decision making of shifting from MapR framework to HortonWorks.
• Extensively used Map-Reduce to process the available terabytes of data.
• Worked on loading the data from MySql to HBase where necessary using Sqoop.
• Using cassandra to store majority of data which needs to be divided based on region.
• Using Hive to query the exported CSV data containing billions of data records.
• Used Git Stash for source control.
• Using oozie to schedule various jobs on Hadoop Cluster.
• Java multi-threaded environment and quartz scheduler.
• Written JUnits and integration tests for the class developed.
• Developed projects using Maven to build and deploy.
• Deployed and tested the application on UNIX based environments.

Environment: Hadoop, HBase, Hive, Map-Reduce, Eclipse, JUnit, MySql, java, json,, maven, AWS.

Confidential, Salt Lake City, UT

Hadoop Developer

Responsibilities:

• Using Core java Technologies to Manipulate the Data from HDFS and getting desired Results.
• Using hibernate and spring in the Real-Time services using J2EE technologies using MVC design.
• Hadoop Map-Reduce is used to analyze the un-organized text files, searching for data or pattern.
• Using AMAZON RDS to manage the application Data.
• Hadoop HBase was used to store Data in de-normalized way.
• Using oozie to run regular jobs in timely manner.
• Using AMAZON EMR for analysis of large files.
• Hosting RESTful services in the intranet to allow other teams to get access.
• Worked on spring components IOC, AOP and MVC.
• The Back-End data has been maintained in Oracle Database.
• Development of java web services using SOAP.
• Java multi-threaded environment and quartz scheduler.
• Written JUnits and integration tests for the class developed.
• Developed projects using Maven to build and deploy.

Environment: Hadoop, Map-Reduce, HBase, Eclipse, JUnit, J2EE, ClearCase, AMAZON RDS, spring, hibernate.

Confidential, New Jersey

Sr. Java Consultant

Responsibilities:

• Developing functionalities and services with technologies like spring, Hibernate frameworks.
• Using spring components such as IOC, AOP and MVC to adhere to the requirement.
• The data was being maintained in DB2 to use the robust features of Confidential Database.
• Development of java web services using SOAP to enable sharing of data.
• Java multi-threaded environment is maintained to make best of the available resources.
• Written JUnits and integration tests for the class developed.
• The UI was developed using jQuery with HTML5 and ExtJS.
• The Data generated from the Application is carefully logged for later analysis.
• Support the Business Analyst if any issues arise during the production installs.
• Maintained source code versions and merging the code changes with ClearCase.
• Developed projects using Ant to build and deploy.
• Deployed and tested the application on UNIX based environments in test Servers.

Environment: Spring, Hibernate, Eclipse, JUnit, Ant, UNIX, J2EE, ClearCase and Oracle DB.

Confidential, TN

Sr. Java Developer

Responsibilities:

• The WebApplication is based on MVC Design Pattern using Spring MVC.
• The System is built based on Waterfall Model.
• Once the Requirement is assigned, the requirement needs to be thoroughly analyzed and documented with the questions for the customer team using URMS.
• The Different structure of different databases needs to be considered for the sizing of the requirement. Also need to make a list of files that will be affected like JSP, Servlets, HTML, javascript file, Database Tables etc.
• Using Various JavaScript, AJAX and DOJO components achieve the best possible UI which is acceptable for the client
• Each sub System has been assigned an individual Database. So, need to consider the various databases and their tables that will be affected.
• Once the Requirement is established, Test cases need to create for the Customer Approval of Requirement in Confidential Rational Quality Manager.
• Once the Requirement has been approved, it needs to be implemented in Environments like DEV, TEST, PREPROD and PRODUCTION.
• This Application uses Hibernate to connect to the database and maintain the integrity of the data.
• The Database maintained for the data was Confidential DB2 and Display the required field and make it accessible as POJO class.
• Deployment into Confidential WebSphere for production.

Environment: Java, JDBC, DB2, RTC, WebSphere, RCQ/URMS, Hibernate, Confidential DB2

Confidential

Sr. Java Developer

Responsibilities:

• The System is built using MVC Design Pattern.
• The MSC Portal was developed on WebSphere Portal using Java Portlets.
• The System follows Agile Methodology.
• The Portal was accessible for Tele-sales and Sales Managers.
• The Portal and Portlets use JMS and MOM API to communicate.
• The code which is analyzed for effected area such as UI (JSP, HTML, and CSS), Database, Servlets, and Java.
• Once the hours are approved, we need to make the changes accordingly in Developer server and provide the required SQL queries or PL/SQL program to the DBA (triggers if any).
• Once there has been basic testing done on the Achieved requirement, it is moved to PRE - SERVER (For Testing team) as a patch.
• Once the Testing team has approved, the requirement is moved to production.
• Hibernate is used as the default ORM tool for the integration of Database.
• The Project release once completed is deployed onto the Confidential WebSphere.

Environment: Java, JDBC, DB2, RTC, RCQ/URMS, Hibernate, Confidential DB2 and Confidential WebSphere, JNDI

Confidential

Java Developer

Responsibilities:

• Wrote and maintained the Software Requirement Specification (SRS) for the project
• Designed UML diagrams using Confidential Rational Rose 2001 EE,Borland Together, Magic Draw
• Installed and Configured WebSphere Portal Server 5.1, WSAD 5.1 and Portal ToolKit 5.0.2 plug-in.
• Provides work direction, tracks progress, and manages workload to other application developers as required.
• Modified the company’s WebSphere’s Portal themes and skins according to the portal requirements
• Developed SQL queries to implement Struts frame work.
• Successfully implemented the MVC architechture and Object Relational mapping is done using Hibernate
• Developed the start up service interfaces required and run time service implementation classes.
• Extensively used Struts tag libraries and jar files and Custom tags.
• Accountable for the successful execution of all application development activities.
• Wrote and maintained the Ant build script for the project

Environment: Java, JSP, Servlets, JavaScript, JDBC, Confidential Websphere 5.1 Application Server, WSAD, TOAD, Change Man, MS Windows 2000, LDAP, Oracle JTA, JMS and JNDI.

Confidential

Jr. Java Developer

Responsibilities:

• Analyzing and preparing the requirement Analysis Document.
• Deploying the Application to the JBOSS Application Server.
• Requirement gatherings from various parties involved in the project
• Estimate timelines for development tasks.
• Used to J2EE and EJB to handle the business flow and Functionality.
• Interact with Client to get the confirmation on the functionalities.
• Involved in the complete SDLC of the Development with full system dependency.
• Actively coordinated with deployment manager for application production launch.
• Provide Support and update for the period under warranty.
• Monitoring of test cases to verify actual results against expected results.
• Performed Functional, User Interface test and Regression Test
• Carrying out Regression testing to track the problem tracking.

Environment: Java, J2EE, EJB, UNIX, XML, Work Flow, JMS, JIRA, Oracle, JBOSS