SUMMARY:

• Have 7 years of programming experience with skills in analysis, design, and development, and deploying with emphasis on object oriented programming.
• Expertise in writing Hadoop Jobs for analyzing data using MapReduce, Hive and Pig.
• Experience in importing and exporting data using Sqoop from HDFS to Relational Database Systems and vice - versa.
• Involved in analyzing system transactional log files for missing fund and missing sales.
• Involved sales impact analysis using Hadoop technologies.
• Hands-on experience in writing Pig Latin scripts, working with grunt shells.
• Strong database, SQL, and data analysis skills.
• Experienced in extending Hive and Pig core functionality by writing custom UDFs using Java.
• Worked on Hive for exposing data for further analysis.
• Expertise in Java/J2EE technologies such as Core Java, spring, Hibernate, JDBC, JSP, HTML, JavaScript.
• Experience in deploying applications in heterogeneous application servers TOMCAT and WebLogic.
• Ability to learn and adapt quickly and to correctly apply new tools and technology.
• Excellent analytical, problem solving, communication and interpersonal skills with ability to interact with individuals at all levels and can work as a part of a team as well as independently.
• Coordinated the successful simultaneous development of several projects with defect free delivery.

TECHNICAL SKILLS:

Languages: Java 1.6,1.7, PL/SQL.

Advanced java Concepts: (J2EE) Servlets, JSP, and RESTful Web Services.

Big Data: Apache Hadoop, HDFS, MapReduce, Hive, Pig, Sqoop.

RDBMS: Oracle 9i, 10G, SQL Server

Scripting Languages: UNIX Shell script, Java Script, HTML

XML Technologies: XML

Web Servers: Tomcat 7.x., Apache2

Application Servers: Weblogic Portal

Deployment Tools: SVN, Perforce

Building Tools: Ant,Maven

Development Tools: Eclipse

Operating systems: Windows XP/7/8, Linux

Methodology: Waterfall, Agile

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Hadoop Java Developer

RESPONSIBILITIES:

• Involved in analyzing system transactional log files for missing fund and missing sales.
• Analysis and verify the Tax update process on monthly and weekly basis.
• Create and Run the hive query for missing sales and missing funds.
• Analyze the sales crediting for every month using PIG Latin script.
• Analyzed large data sets by running Hive queries and Pig scripts.
• Involved in creating Hive tables, and loading and analyzing data using hive queries.
• Involved in loading data from LINUX file system to HDFS.
• Load and transform large sets of structured, semi structured and unstructured data.
• Involved in creating Hive tables, and loading and analyzing data using hive queries.
• Involved in running Hadoop jobs for processing millions of records of text data.
• Analyzed the data by performing Hive queries and running Pig scripts to know user behavior.
• Developed Simple to complex Map/reduce Jobs using Hive.
• Loaded data into HDFS and extracted the data from MySQL into HDFS using Sqoop.
• Responsible to manage data coming from different sources.
• Worked with ETL team to gather requirements for various data mining projects.
• Created Hive Tables, loaded retail transactional data from Teradata using Sqoop.

Environment: Hadoop, HDFS, Pig, Hive, MapReduce, Sqoop, MySQL, LINUX, Java (jdk1.7).

Confidential, Atlanta, GA

JAVA Developer

RESPONSIBILITIES:

• Worked on sales impact analysis using Core JAVA, RESTful WebServices,HTML5.
• Worked with technology and business groups for Flex to HTML5 migration and the back-end changes.
• Involved in preparing High level and low level design documents for the RESTful web services used in this application
• Developed RESTful webservices programs and helped Offshore team to work on HTML5.
• Deployed the applications in development, staging and production environments.
• Implemented Exception handling mechanism in the backend layer designed and developed.
• Involved unit testing, interface testing.
• Involved in bug fixes.

Environment: Core JAVA, RESTful WebServices, SOAP UI, XML, Java Script, HTML5,CSS,JQuery,Eclipse.

Confidential, Dallas, TX

JAVA Developer

RESPONSIBILITIES:

• Mainly involves in production support for online Print online website. This project is mainly a eCommerce production support. Confidential Office ADM support involves in defect fixing, environment maintenance, production support activities along with InfoSec violation.
• Monitoring the support request and working on it based on priority.
• Monitoring the production system and measuring it’s efficiency and creating reports.
• Coding and unit testing for production defects.
• Production deployment and maintenance of the system.
• Support for production validation for release scheduled.
• Checking for Infosec violation in code base and provide the feedback.
• Fixing critical defects identified in the production UAT testing.
• Coordinate with Offshore team to get the work done.
• Attended meeting with customer and business team.

Environment: Core JAVA, Spring, hibernate, Adobe Flex, Weblogic, Apache, TeamSite, Quality center,TeamForge,Oracle DB.

Confidential

Java Developer

RESPONSIBILITIES:

• Used agile software development methodology which helps to develop project plans.
• Developed the application using EJB and Hibernate.
• Developed user interfaces using JSP, HTML and CSS.
• Developed code participating in different layers of the application.
• Used Maven scripts to build the application and deploy on Web Logic Application Server.
• Design and development of business logics.
• Implemented JUnit test cases to test the application.
• Involved in initial designing and creating Usecase diagrams, sequence diagrams and class diagrams.
• Monitored logs by using LOG4J.

Environment: JDK1.6, Core Java, EJB, Eclipse Helios, SQL-Server, JUnit, Windows XP, SVN, Maven and Log4J.

Confidential

Java Developer

RESPONSIBILITIES:

• Used agile software development methodology which helps to develop project plans.
• Developed Vinaya Service Management portal (VSM).
• Developed the following application from this portal. Business party, Billing report, Subscription Offer, Subscription Contract and Reservation.
• Development of the logic for the Business tier.
• Performed Code Reviews and responsible for Design, Code and Test signoff.
• Expert in writing, configuring and maintaining the Hibernate configuration files and writing and updating Hibernate mapping files for each Java object to be persisted.
• Writing test cases using JUNIT, doing test first development.
• Developed two web (UI) pages using Adobe Flex.
• Communicated to the clients and business on the daily basis.
• Gathered the business requirements from the Business Partners and Subject Matter Experts.

Environment: JDK1.6, Core Java, EJB, Webservices, JSP, Eclipse Helios, SQL, SQL-Server, JUnit, Ant, Windows XP, SVN, Adobe Flex.

Confidential

Application Developer

RESPONSIBILITIES:

• Developed Confidential Ebook with UI developers.
• Used JDBC connection and webservices for back-end interaction.
• In an Agile environment, developed new enhancements and provided support for Confidential eBook product.
• Participated in SCRUM Master meetings, interacted with other application teams to understand requirements
• Helped production support team for critical issues and worked various SQL ad-hoc reports for different business group needs to address the data related issues.
• Involved in the design and development of the user interface and business components.
• Developed GUI module using HTML and Javascript.

Environment: Core Java, JDK 1.6, JDBC, SQL, HTML, javascript.

Confidential

Rich media Developer

RESPONSIBILITIES:

• Developed GUI module using Adobe Flex, HTML and back-end Java.
• Involved in designing and development.
• Developed various enhancements and features using Java
• Developed image gallery and video gallery using HTML and Javascript.
• Prepared Technical program Specifications documents
• Analyzed, documented and resolved outstanding issues including bug fixes.
• Attended Code Reviews, Test Reviews and status meetings.
• CSS and JavaScript were used to build rich internet pages.
• Developed and deployed UI layer logics of sites using Flex, XML, JavaScript, HTML.

Environment: Core Java, JDK 1.6, JDBC, SQL, Flex, HTML, XML, CSS, Javascript.