SUMMARY

• 8+ years of professional experience in IT, including 2 years of work experience in Hadoop Eco system.
• In depth understanding/knowledge of Hadoop Architecture and various components such as HDFS, JobTracker, TaskTracker, NameNode, Data Node and Map Reduce concepts.
• Well versed in installation, configuration, supporting and managing of Big Data and underlying infrastructure of HadoopCluster.
• Hands on experience on major components in Hadoop Ecosystem like HadoopMap Reduce, Marklogic HDFS, HIVE, PIG, Pentaho, HBase, Sqoop, Oozie and Flume.
• Experience with Oozie Workflow Engine in running workflow jobs with actions that run Hadoop Map/Reduce and Pig jobs.
• Experience in managing and reviewing Hadoop Log files.
• Extending Hive and Pig core functionality by writing custom UDFs.
• Experience inHadoopadministration activities such as installation and configuration of clusters using Apache and Cloudera.
• Good Knowledge in Amazon AWS concepts like EMR and EC2 web services which provides fast and efficient processing of Big Data.
• Hands on experience in designing and coding web applications using Core Java and J2EE technologies.
• Experienced the integration of various data sources like Java, RDBMS, Shell Scripting, Spreadsheets, and Text files.
• Experience in Web Services using XML, HTML and SOAP.
• Excellent Java development skills using J2EE, J2SE, Servlets, JUnit, JSP, JDBC.
• Familiarity working with popular frameworks likes Struts, Hibernate, spring, MVC and AJAX.
• Extensive experience in developing components using JDBC, Java, Oracle, XML and UNIX Shell Scripting.
• Ability to blend technical expertise with strong Conceptual, Business and Analytical skills to provide quality solutions and result - oriented problem solving technique and leadership skills.

TECHNICAL SKILLS

Hadoop: Ecosystem HDFS, Map Reduce Hive, Marklogic, Pig, HBase, Zookeeper, Sqoop, Oozie, Flume Pentaho and Avro.

Web Technologies: Java, J2EE, Servlets, JSP, JDBC, XML, AJAX, SOAP, WSDL

Methodologies: Agile, UML, Design Patterns (Core Java and J2EE)

Frameworks: Hibernate 2.x/3.x, spring 2.x/3.x, Struts 1.x/2.x

Programming Languages: Java, XML, Unix Shell scripting, HTML.

Database Systems: Oracle 11g/10g, DB2, MS-SQL Server, MySQL, MS-Access

Web Services: Web Logic, Web Sphere, Apache Tomcat

Monitoring & Reporting tools: Ganglia, Custom Shell scripts

Operating Systems: Windows-XP/2000/NT, UNIX, Linux, and DOS

IDE: Eclipse3.x, NetBeans

PROFESSIONAL EXPERIENCE

Confidential, Boston, MA

Hadoop Developer

Responsibilities:

• Installed and configured Hadoop MapReduce, HDFS, Developed multiple MapReduce jobs in java for data cleaning and preprocessing.
• Importing and exporting data into HDFS and Hive using Sqoop, Marklogic.
• Experienced in defining job flows.
• Experienced in managing and reviewing Hadooplog files.
• Extracted files from CouchDB through Sqoop and placed in HDFS and processed.
• Experienced in runningHadoopstreaming jobs to process terabytes of xml format data.
• Load and transform large sets of structured, semi structured and unstructured data.
• Responsible to manage data coming from different sources.
• Got good experience with NoSQL database.
• Supported Map Reduce Programs those are running on the cluster.
• Involved in loading data from UNIX file system to HDFS.
• Installed and configured Hive and also written Hive UDFs.
• Involved in creating Hive tables, loading with data and writing Hive queries which will run internally in map reduce way.

Environment: Java 6, Eclipse, Linux,Hadoop, HBase, marklogic Sqoop, Pig, Hive, Flume.

Confidential, Los Angeles, CA

Hadoop Developer

Responsibilities:

• Worked extensively in creating MapReduce jobs to power data for search and aggregation
• Designed a data warehouse using Hive
• Worked extensively with Sqoop for importing metadata from Oracle extensively used Pig for data cleansing
• Created partitioned tables in Hive
• Worked with business teams and created Hive queries for ad hoc access.
• Evaluated usage of Oozie for Workflow Orchestration
• Mentored analyst and test team for writing Hive Queries
• Gained very good business knowledge on health insurance, claim processing, fraud suspect identification, appeals process etc.

Environment: Hadoop, MapReduce, HDFS, Hive, Marklogic, Java (jdk1.6),Hadoopdistribution of Hortonworks, Oozie, Oracle 11g/10g

Confidential, Waukegan, IL

Java/J2EE Developer

Responsibilities:

• Utilized Agile Methodologies to manage full life - cycle development of the project.
• Implemented MVC design pattern using Struts Framework.
• Form classes of Struts Framework to write the routing logic and to call different services.
• Created tile definitions, Struts-config files, validation files and resource bundles for all modules using Struts framework.
• Developed web application using JSP custom tag libraries, Struts Action classes and Action. Designed Java Servlets and Objects using J2EE standards.
• Used JSP for presentation layer, developed high performance object/relational persistence and query service for entire application utilizing Hibernate.
• Developed the XML Schema and Web services for the data maintenance and structures.
• Developed the application using Java Beans, Servlets and EJB's.
• Created Stateless Session EJB's for retrieving data and Entity Beans for maintaining User Profile.
• Used WebSphere Application Server and RAD to develop and deploy the application.
• Worked with various Style Sheets like Cascading Style Sheets (CSS).
• Designed database and created tables, written the complex SQL Queries and stored procedures as per the requirements.
• Involved in coding for JUnit Test cases, ANT for building the application.

Environment: Java/J2EE, Oracle 10g, SQL, PL/SQL, JSP, EJB, Struts, Hibernate, WebLogic 8.0, HTML, AJAX, Java Script, JDBC, XML, JMS, XSLT, UML, JUnit, log4j, MyEclipse 6.0

Confidential, Seattle, WA

Java/J2EE Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) as design development and unit testing.
• Developed and deployed UI layer logics of sites using JSP, XML, JavaScript, HTML/DHTML, and Ajax.
• CSS and JavaScript were used to build rich internet pages.
• Agile Scrum Methodology been followed for the development process.
• Designed different design specifications for application development that includes front - end, back-end using design patterns.
• Developed proto-type test screens in HTML and JavaScript.
• Involved in developing JSP for client data presentation and, data validation on the client side with in the forms.
• Developed the application by using the Spring MVC framework.
• Collection framework used to transfer objects between the different layers of the application.
• Developed data mapping to create a communication bridge between various application interfaces using XML and XSL.
• Spring IOC being used to inject the parameter values for the Dynamic parameters.
• Developed JUnit testing framework for Unit level testing.
• Actively involved in code review and bug fixing for improving the performance.
• Documented application for its functionality and its enhanced features.
• Created connection through JDBC and used JDBC statements to call stored procedures.

Environment: Spring MVC, Oracle 11g J2EE, Java, JDBC, Servlets, JSP, XML, Design Patterns, CSS, HTML, JavaScript 1.2, JUnit, Apache Tomcat, My SQL.

Confidential, Memphis, TN

Java/J2EE Developer

Responsibilities:

• Played an active role in the team by interacting with welfare business analyst/program specialists and converted business requirements into system requirements.
• Developed analysis level documentation such as Use Case, Business Domain Model, Activity & Sequence and Class Diagrams.
• Conducted Design reviews and Technical reviews with other project stakeholders.
• Implemented Services using Core Java.
• Developed and deployed UI layer logics of sites using JSP.
• Struts (MVC) is used for implementation of business model logic.
• Worked with Struts MVC objects like Action Servlet, Controllers, and validators, Web Application Context, Handler Mapping, Message Resource Bundles and JNDI for look - up for J2EE components.
• Developed dynamic JSP pages with Struts.
• Used built-in/custom Interceptors and Validators of Struts.
• Developed the XML data object to generate the PDF documents and other reports.
• Used Hibernate, DAO, and JDBC for data retrieval and medications from database.
• Messaging and interaction of Web Services is done using SOAP.
• Developed JUnit Test cases for Unit Test cases and as well as System and User test scenarios
• Involved in Unit Testing, User Acceptance Testing and Bug Fixing.
• Implemented mid-tier business services to integrate UI requests to DAO layer commands.

Environment: J2EE, JDBC, Java 1.4, Servlets, JSP, Struts, Hibernate, Web services, SOAP, WSDL, Design Patterns, MVC, HTML, JavaScript 1.2, WebLogic 8.0, XML, JUnit, Oracle 10g, My Eclipse