SUMMARY

• Around 5 years of experience with programming skills in analysis, design, development, testing and deploying various applications with emphasis on object oriented programming
• Hands - on experience with Hadoop MapReduce, HDFS components such as JobTracker, TaskTracker, NameNode, DataNode.
• Experience in working with the Hadoop eco systems ( PIG, HIVE, OOZIE, HBASE, FLUME, ZOOKEEPER, SQOOP)
• Knowledge in analyzing data using the Hive QL and Pig Latin
• Experience in writing Java programs for the Mapper, Reducer and Combiner
• Knowledge with NoSQL databases like HBase and Cassandra.
• Experience in using Apache Flume to move large amount of data from application servers to hadoop
• Experienced on loading of large sets of structured, semi structured and unstructured data.
• Scheduling the workflows and maintaining the clusters using ZooKeeper and Oozie
• Knowledge on several other echo systems like Kafka, Storm, Elasticsearch.
• Working with relative ease with different working strategies like Agile, Waterfall and Scrum methodologies
• Detailed knowledge and experience of Design, Development and Testing Software solutions using Java and J2EE technologies.
• Expertise in design and development of various web and enterprise applications using various frameworks like Struts, Hibernate, Spring and Web Services.
• Experience with front end technologies like HTML, CSS, JSP, AJAX and Javascript.
• Strong analytical skills with ability to quickly understand clients business needs. Involved in meetings to gather information and requirements from the clients.
• Research-oriented, motivated, proactive, self-starter with strong technical, analytical and interpersonal skills.

TECHNICAL SKILLS

Big Data Technologies: HDFS, Hive, Map Reduce, Pig, Sqoop, Flume, Zookeeper, Oozie, YARN

Scripting Languages: Python, Shell

Programming Languages: C, C++, Java

Front End Technologies: HTML, J2EE, CSS, JavaScript, AJAX, Servlets, JSP, DOM, XML.

Web Services: Restful, Soap

Java Frameworks: Struts, Spring, Hibernate

Application Server: Websphere, Weblogic Server, Apache Tomcat.

DB Languages: SQL, PL/SQL

Databases /ETL: Oracle 11g, MySQL, Informatica

NoSQL Databases: Hbase, Cassandra, Mongo DB.

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh

Hadoop Developer

Responsibilities:

• Developed Oozie Workflows for daily incremental loads, which gets data from Teradata and then imported into hive tables.
• Developed Pig scripts to transform the data into structured format and it are automated through Oozie coordinators.
• Developed Map Reduce programs for applying business rules on the data
• Used Sqoop widely in order to import data from various systems/sources (like MySQL) into HDFS
• Applied Hive queries to perform data analysis on HBase using Storage Handlerin order to meet the business requirements
• Developed Hive UDF’s to bring all the customers email id into a structured format.
• Hands on experience with NoSQL databases like HBase for POC (proof of concept) in storing URL's and images.
• Moved data from HDFS to HBase using Map Reduce using different file formats like Text files, Sequence Files, Avro.
• Cluster co-ordination services through Zookeeper
• Assisted in creating and maintaining Technical documentation to launching HADOOP Clusters and even for executing Hive queries and Pig Scripts
• Assisted in Cluster maintenance, cluster monitoring, adding and removing cluster nodes and Troubleshooting.

Environment: MapReduce, HDFS Sqoop, Flume, LINUX, Oozie, Hadoop, Pig, Hive, Hbase, Cassandra, Hadoop Cluster

Confidential

Hadoop Developer

Responsibilities:

• Design and developed Mapreduce programs in processing the sales data across the different stores in the country
• Worked on importing and exporting data into HDFS and Hive using Sqoop.
• Cluster coordination services through Zookeeper
• Develop Java Restful API.
• Implemented Solar search
• Data Raffinement through Pig and HIVE.
• Data migration between RDBMS and Hadoop through sqoop
• Involved in implementing web interface for UAS using oracle ADF and JDeveloper.
• Designed the web interface for the marketing user to enter the data and submit the request.
• Involved in optimizing the search query and designed the db link, materialized views and oracle scheduler
• Added the custom validation to check the promotion start date that it does not fell into the existing promotion.
• Designed the page navigation flow using the ADF task flow.

Environment: J2EE, JDK, ADF, Oracle SOA Suite, Oracle 11g, Weblogic, Oracle BPM Workspace, JDeveloper, SQL Developer, Mapreduce, Pig, Hive

Confidential, Reston, VA

Java/J2EE Developer

Responsibilities:

• Involved in developing business logic components using JavaBeans and Servlets.
• Involved in utilizing WebLogic specific connection pools in order to interact with the business data from the business components.
• Designed and Developed User Interface using JSP.
• Developed Server-side validation classes using JDBC calls.
• Designed user interface HTML, Swing, CSS, XML, Java Script and JSP.
• Implemented the presentation using a combination of Java Server Pages (JSP) to render the HTML and a well-defined API interface to Allow access to the application services layer.
• Implemented Configuration of Engage Administration and property files.
• Input validations were done using JavaScript.
• Developed applications using Mobile Supply Chain.

Environment: JDK, J2EE, Servlets, JSP, JSF, JMS, JavaScript, HTML, Swing, CSS, XML, XML Spy, Eclipse, Linux, Weblogic.

Confidential, Charlotte, NC

Java Developer

Responsibilities:

• Involved in developing and designing the front end part of the application using Java Swing.
• Helped in creating Use Case diagrams, Class diagrams using tools like rational rose.
• Responsible for designing and building the database using MySQL.
• Configured the application deployment onto the server using Apache Tomcat
• Extensively performed unit testing using tools like JUnit.
• Involved in creating connection to the database using connection pools.
• Performed client side validation using JavaScript and AJAX.

Environment: Java, JDK, Apache Tomcat, JavaScript, HTML, MySQL, JavaScript, AJAX.

Confidential

Jr Java Developer

Responsibilities:

• Gathering and analyzing business requirements.
• Developed user interfaces by using JSP, HTML.
• Involvement in the integration of Spring framework to get information from the user.
• Used Servlets in web application.
• Used JDBC API to interact with Database.
• Active involvement in creating tables, development and coding of stored Procedures using PL/SQL and SQL statements, functions, triggers in Oracle.
• Coded the JUnit test cases and suite for the system.
• Deployment of Application onto the JBOSS Application Server.
• SVN (Subversion) is used for version control.
• Implemented logging using log4j.
• Giving second-level support to QA, UAT and PROD Teams.

Environment: Core Java, Servlets, JSP, JDBC,Spring, WebServices, Oracle 10g, JUnit, Eclipse, Spring Source Tool Suite, JBOSS, Log4J, HTML,SQL,JMS.