SUMMARY

• 9+ years of experience in OO Analysis, Design, Development using Java/J2E technologies with experience in developing strategic methods for deploying Big data technologies to efficiently solve Big Data processing requirement.
• More than 3+ years of hands on experience in Hadoop Eco system technologies such as in Pig, Hive, HBase, Zookeeper, Map Reduce, Oozie, Flume and Sqoop.
• Involved in Design and Architecting of Big Data solutions using Hadoop Eco System.
• Hands on experience in Capacity planning, Installation, monitoring and Performance Tuning of Hadoop Clusters.
• Proficient Knowledge on Apache Spark and Apache Storm to process real time data.
• Involved in Design and Architecting applications to use NOSQL Solutions like HBase, Mongo DB.
• Worked on writing custom UDFs in java for Hive and Pig and SERDE’s for Hive.
• Implemented custom Sinks and Interceptors for Flume.
• Hands on experience in writing map - reduce programs in java.
• Performed Importing and exporting data into HDFS, Hive and HBase using Sqoop.
• Written Oozie workflows / Co-ordination workflows to schedule Hadoop Jobs.
• Hands on integrating search tools like SOLR cloud and Lucene to HDFS and HBase.
• Integrated analytical tool R to Hadoop using ORI.
• Designed and Architected SOA platform at Confidential using Mule, Active MQ, Salesforce, Sterling, Informatica.
• Developed web application in open source java framework Spring. Utilized Spring MVC framework.
• Configured and developed web applications in Spring, employing AOP and IOC.
• Developed RESTful Web Services using Spring Rest and Jersey framework.
• Experienced in creative and effective front-end development using EXT-JS, JQuery, JavaScript, HTML, DHTML, Ajax and CSS.
• Aced the persistent service, Hibernate for object relational mapping with database. Configured xml files for mapping and hooking it with other frameworks like Spring, Struts and other technologies.
• Have excellent Relational Database understanding and experience with Oracle 10g/11i, IBM DB2 7.X/8.X, SQL Server 2008 and MySQL 5.0/5.5.
• Strong experience in database design, writing complex SQL Queries and Stored Procedures.
• Worked on test driven software development where Junit testing was employed.
• Experienced in using Version Control Tools like Perforce, Git Hub, CVS, SVN, Harvest and VSS.
• Have extensive experience in building and deploying applications on Web/Application Servers like Jboss AS, Web logic, IBM Websphere, Glassfish and Tomcat.
• Experience working with Agile Methodologies including XP, SCRUM and Test-Driven Development.

TECHNICAL SKILLS

Hadoop related Big Data Technologies: Hadoop,MapReduce,HDFS,Pig,Hive,Oozie,Sqoop,Flume,Spark,Mahout,Storm,Kafka,Zookeeper.

No SQL: Hbase, Cassandra, Mongo DB

Languages: Java/J2EE, SQL.

Web Technologies: JSP, EJB 2.0, JNDI, JDBC, HTML, JavaScript, DHTML, EXT-JS, JQuery

Frame Works: Struts 1.x, Spring 3.x, Hibernate3

MOM: Active MQ, JMS

SOA: Mule ESB, REST Services, SOAP web services.

Web/Application servers: Tomcat, Jboss, Web logic 12c,SAP Webserver

Databases: Oracle, DB2, Postgres, SQL Server.

Operating Systems: Windows, Unix

IDE: Eclipse 3.x, JDeveloper 12

Database Tools: TOAD,SQL Developer

Development Tools: Maven, ANT, Telnet, FTP

Reports: Pentaho, JASPER

Version Control: Git, Subversion, CVS, Perforce

Testing Technologies: JUnit 4/3.8, MR Unit, Mockito.

Portal: Liferay Portal

Mobile: Phone Gap, Android, IOS.

PROFESSIONAL EXPERIENCE

Confidential, TX

Principal Application Developer

Responsibilities:

• Analyzed business requirements and existing software for High Level Design.
• Designed detailed software structure and architecture documents using Use cases, sequence diagram and UML.
• Worked in an agile development process with 4 weeks release, monthly Sprint and daily Scrum.
• Installed and Configured Hadoop Cluster.
• Installed and Configured HBase, Hive, Sqoop and Oozie.
• Installed and configured analytical tool R.
• Written CURD services on Hbase.
• Exposed HBase CURD services as RESTful web services using Jersey.
• Imported existing data to HBase and HDFS using Sqoop.
• Created external tables in Hive on HBase tables.
• Written custom UDF’s in Hive.
• Written Sqoop incremental import job to move new / updated info from Database to HDFS and HBase.
• Created Oozie coordinated workflow to execute Sqoop incremental job daily.
• Integrated R with Hadoop using ORI.
• Configured Hive Meta store on MySQL.
• Used Hive Server 2 as service.
• Configured Hive to Obiee using Hive ODBC drivers.
• Created dashboards in OBIEE.
• Installed and Configured HBase replication cluster.
• Involved in Hadoop and Hbase cluster performance tuning.
• Installed and Configured Zookeeper and Setup the Zookeeper quoram.

Confidential, NY

Sr. Software Engineer

Responsibilities:

• Analyzed business requirements and existing software for High Level Design.
• Designed detailed software structure and architecture documents using Use cases, sequence diagram and UML.
• Worked in an agile development process with 4 weeks release, monthly Sprint and daily Scrum.
• Installed and Configured Hadoop Cluster.
• Installed and Configured HBase, Sqoop and Oozie.
• Written CURD services on Hbase.
• Exposed HBase CURD services as RESTful web services using Jersey.
• Imported existing data to HBase and HDFS using Sqoop.
• Imported existing text files and Meta files to HDFS and Hbase using flume.
• Written flume Solr sink to index the blogs.
• Written Sqoop incremental import job to move new / updated info from Database to HDFS and HBase.
• Created Oozie coordinated workflow to execute Sqoop incremental job daily.
• Configured Sqoop Meta store.
• Installed and Configured HBase replication cluster.
• Involved in Hadoop and Hbase cluster performance tuning.
• Installed and Configured Zookeeper.
• Setup the Zookeeper quoram.
• Configured Name node HA.
• Written Servlet to call name node /getImage URL.
• Written Oozie workflow to Copy fsimage into HDFS.
• Written Oozie Co-ordination workflow to run MR jobs when fsimage file available in HDFS.
• Written Oozie workflow to move MR output files to RDBMS using Sqoop.
• Written a MR Job code using MR API to process fsimage file taken through Offline Image Viewer.
• Built UI for Administrators to do operations by fetching from RDBMS using Ajax.
• Built Dash Boards using D3.js

Confidential, TX

Sr. Software Engineer

Responsibilities:

• Analyzed business requirements and existing software for High Level Design.
• Designed detailed software structure and architecture documents using Use cases, sequence diagram and UML.
• Worked in an agile development process with 4 weeks release, monthly Sprint and daily Scrum.
• Installed and Configured Hadoop Cluster.
• Installed and Configured Hive, Sqoop, Pig and Oozie.
• Installed and configured analytical tool R.
• Created Hive external tables.
• Installed Flume agents to retrieve the eco meter sensor data.
• Imported existing data to Hive and HDFS using Sqoop.
• Configured the Flume to aggregate the logs and publish it to HDFS.
• Written custom UDF’s in Hive.
• Written Sqoop incremental import job to move new / updated info from Database to HDFS and Hive.
• Created Oozie coordinated workflow to execute Sqoop incremental job daily.
• Configured Hive Meta store on MySQL.
• Used Hive Server 2 as service.
• Configured Hive to Pentaho using Hive ODBC drivers.
• Created reports using Pentaho.
• Involved in Hadoop and Hive cluster performance tuning.
• Written Pig scripts to extract information from logs and load into Hive tables.

Confidential, NY

Sr. Software Engineer

Responsibilities:

• Involved in requirements analysis and gathering and converting them into technical specifications using UML diagrams: Use Case Model, Business Domain Model, Activity & Sequence Diagrams and State Diagrams.
• Applied Object Oriented concepts (inheritance, composition, interface, etc) and design patterns (singleton, strategy...Etc).
• Installed and Configured ActiveMQ.
• Installed and Configured Mule ESB.
• Written JMS Consumer mule action to listen for messages from Sterling.
• Used JAXB mule action to parse XML data will convert XML to Java Object.
• Used Salesforce mule connector to Salesforce.
• Used salesforce upsert operation to insert / update data into salesforce.
• Written transformers to convert Java objects to salesforce supported format.
• Load tested the application using SOAPUI.