PROFESSIONAL SUMMARY:

• Around 7 years of Experience in Enterprise Application Development, Web Applications, Client - Server Technologies using various languages and tools like Java, J2EE, JSP and Servlets.
• 4 years of Experience in design, development, maintenance and support of Big Data Analytics using Hadoop Ecosystem tools like HDFS, Hive, Sqoop and Pig.
• Experienced in processing Big data on the Apache Hadoop framework using MapReduce programs.
• Excellent understanding and knowledge of NOSQL databases like HBase and Mongo DB.
• Good knowledge of Hadoop ecosystem, HDFS, Big Data, RDBMS. 
• Experienced in installation, configuration, supporting and monitoring Hadoop clusters using Apache, Cloudera distributions and AWS.
• Good knowledge on Hadoop, Hbase, Hive, Pig Latin Scripts, MR, Sqoop, Flume, Hive QL.
• Experience in analyzing data using Pig Latin, HiveQL and HBase.
• Capturing data from existing databases that provide SQL interfaces using Sqoop. 
• Experience in importing and exporting data using Sqoop from HDFS to Relational Database Systems and vice-versa. 
• Implemented Proofs of Concept on Hadoop stack and different big data analytic tools, migration from different databases (i.e Teradata, Oracle, MYSQL ) to Hadoop. 
• Worked on NoSQL databases including HBase, Cassandra and MongoDB
• Successfully loaded files to Hive and HDFS from MongoDB, HBase 
• Experience in configuring Hadoop Clusters and HDFS.
• Worked extensively in Java, J2EE, XML, XSL, EJB, JSP, JSF, JDBC, MVC, Jakarta struts, JSTL, Spring2.0, Design Patterns and UML.
• Extensive experience in Object Oriented Programming, using Java & J2EE (Servlets, JSP, Java Beans, EJB, JDBC, RMI, XML, JMS, Web Services, AJAX).
• Excellent analytical and problem solving skills and ability to quickly learn new technologies.
• Good communication and interpersonal skills. A very good team player with the ability to work independently.

TECHNICAL SKILLS:

Hadoop/Big Data: HDFS, MapReduce, Hive, Pig, Sqoop, Apache Ignite, GitHub, Agile, Flume, Oozie, and ZooKeeper,Kafka,Kerberos

No SQL Databases: Hbase, Cassandra, MongoDB,MarkLogic

Languages: C, Python, Java, J2EE, PL/SQL, Pig Latin, HiveQL, Unix shell scripts, R Programming, Storm Linux

Java/J2EE Technologies: Applets, Swing, JDBC, JNDI, JSON, JSTL, RMI, JMS, Java Script, JSP, Servlets, EJB, JSF, JQuery

Frameworks: MVC, Struts, Spring, Hibernate

Operating Systems: Sun Solaris, HP-UNIX, RedHat Linux, Ubuntu Linux and Windows XP/Vista/7/8

Web Technologies: HTML, DHTML, XML, AJAX, WSDL, SOAP

Web/Application servers: Apache Tomcat, WebLogic, JBoss

Databases: Oracle 9i/10g/11g, DB2, SQL Server, MySQL, Teradata

Tools and IDE: Eclipse, NetBeans, Toad, Maven, ANT, Hudson, Sonar, JDeveloper, Assent PMD, DB Visualizer,

Network Protocols: TCP/IP, UDP, HTTP, DNS, DHCP

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Hadoop Developer

Responsibilities:

• Developing parser and loader map reduce application to retrieve data from HDFS and store to HBase and Hive.
• Importing the unstructured data into the HDFS using Flume.
• Used Oozie to orchestrate the map reduce jobs that extract the data on a timely manner.
• Written Map Reduce java programs to analyze the log data for large-scale data sets.
• Involved in using HBase Java API on Java application.
• Automated all the jobs for extracting the data from different Data Sources like MySQL to pushing the result set data to Hadoop Distributed File System.
• Implemented Map Reduce jobs using Java API and PIG Latin as well HIVEQL
• Participated in the setup and deployment of Hadoop cluster
• Hands on design and development of an application using Hive (UDF).
• Responsible for writing Hive Queries for analyzing data in Hive warehouse using Hive Query Language (HQL).
• Provide support data analysts in running Pig and Hive queries.
• Involved in HiveQL and Involved in Pig Latin.
• Importing and exporting Data from Mysql/Oracle to HiveQL Using SQOOP.
• Configured HA cluster for both Manual failover and Automatic failover.
• Designed and built many applications to deal with vast amounts of data flowing through multiple Hadoop clusters, using Pig Latin and Java-based map-reduce.
• Specifying the cluster size, allocating Resource pool, Distribution of Hadoop by writing the specification texts in JSON File format.
• Experience in writing SOLR queries for various search documents
• Responsible for defining the data flow within Hadoop eco system and direct the team in implement them.

Environment: Big Data Apache Hadoop, Hive, Hue Tool, Zookeeper, Map Reduce, Sqoop, crunch API, Pig 0.10 and 0.11,HCatalog, Unix, Java, JSP, Eclipse, Maven, Oracle, SQL Server, MYSQL.

Confidential, Reston, VA

Hadoop Developer

Responsibilities:

• Processed Big Data using a Hadoop cluster consisting of 40 nodes.
• Designed and configured Flume servers to collect data from the network proxy servers and store to HDFS.
• Loaded the customer profiles data, customer spending data, credit from legacy warehouses onto HDFS using Sqoop.
• Built data pipeline using Pig and Java Map Reduce to store onto HDFS.
• Applied transformations and filtered both traffic using Pig.
• Used Pattern matching algorithms to recognize the customer across different sources and built risk profiles for each customer using Hive and stored the results in HBase.
• Performed unit testing using MRUnit.
• Responsible for building scalable distributed data solutions using Hadoop
• Installed and configured Hive, Pig, Sqoop, Flume and Oozie on the Hadoop cluster
• Setup and benchmarked Hadoop/HBase clusters for internal use
• Developed Simple to complex Map/reduce Jobs using Hive and Pig
• Optimized Map/Reduce Jobs to use HDFS efficiently by using various compression mechanisms
• Handled importing of data from various data sources, performed transformations using Hive, MapReduce, loaded data into HDFS and Extracted the data from MySQL into HDFS using Sqoop
• Analyzed the data by performing Hive queries and running Pig scripts to study employee behavior
• Installed Oozie workflow engine to run multiple Hive and Pig jobs

Environment: Hadoop, Hive, Zookeeper, Map Reduce, Sqoop, Pig 0.10 and 0.11, JDK1.6,  HDFS, Flume, Oozie, DB2, HBase, Mahout

Confidential, Hartford, CT

Sr Java Developer

Responsibilities:

• Involved in defining the business rule according to client specific and convert them into High level Technical Design.
• Designed entire system according to OOPS & UML by using Rational Tools.
• Elaborated use cases, interface definition specifications in collaboration with Business.
• Used Backend as the Oracle database & used JDBC technologies for integration.
• Extensively used TOAD for all DB related activities & integration testing.
• Used build and deploy scripts in ANT and UNIX shell scripting.
• Developed User interface screens using Servlets, JSP, JavaScript, CSS, AJAX, HTML.
• Involved in unit testing of developed business units & used the JUnit for specifics.
• Worked along with the Development team & QA team to resolve the issues in SIT/UAT/Production environments.
• Closely Co-ordinated with Architect, Business Analyst, business team for requirement analysis and doing development and implementation.
• Spring Framework caching mechanism which was used to pre-load some of the Master Information.
• Implementation of this project included scalable coding using JAVA, JDBC,JMS with Spring.
• Developed Controller Classes, Command Objects, Action Classes, Form beans, Transfer Objects Singletonat server side for handling requests and responses from presentation Layer.

Environment: Core Java, J2EE1.5/1.6, Struts, Ajax, Rational Rose, Rational Requisite Pro, Hibernate3.0, CVS, RAD7.0 IDE, Oracle10g, JDBC, log4j, WebSphere6.0, Servlets, JSP, Junit.

Confidential, Columbus, OH

Java Developer

Responsibilities:

• Involved in program setup, program profile, fees, card settings Modules.
• Developed Action classes, business classes, helper classes, Hibernate POJO classes
• Developed spring DAO classes, store proc. classes to connect the DB through spring JDBC
• Developed Action Forms, Form Beans and Java Action classes using Struts framework
• Participated in code reviews and ensured compliance with standards
• Involved in preparing database scripts and deployment process
• Used JDBC API to connect to the database and carry out database operations.
• Involved in design and implementation of web tier using Servlets and JSP.
• Used Apache POI for Excel files reading.
• Also, contributed in implementing QA Processes, development of Test Cases, Code Review Process, Code Promotion, sustenance activity.
• Designed complete Technical Specifications using business requirements.
• Planning efficiently while implementing the new architecture in production in not affecting the existing business or functionalities.
• Used JSP and JSTL Tag Libraries for developing User Interface components.
• Involved in developing UML Diagrams like Use Case, Class, Sequence diagrams.
• Handled the session management to switch from classic application to new wizard and vice versa.

Environment: JAVA, J2EE (Jsp, JSTL, servelts), Hibernate, Struts (Validation Framewrok, Tiles Framework), Spring, Apache JQuery, JavaScript, XMP-RPC, SQL, Tortoise SVN, Maven, VISIO.