SUMMARY

• 7+ year of experience in the Information Technology Industry with strong exposure to IT consulting, software project management, design, development, implementation, maintenance/support and Integration of software applications.
• Over 3 years of experience in Big Data processing using Apache Hadoop and its ecosystem.
• Expert in created PIG Latin Scripts and UDFs using JAVA for analysis of data efficiently.
• Expert in creating Hive Queries and UDFs using Java for analysis of data efficiently.
• Knowledge of HDFS, Map/Reduce, Pig, Hive, Sqoop and Cloudera's Hadoop distribution.
• Expert in using Sqoop for fetching data from different systems and HDFS to analyze in HDFS, and again putting it back to the previous system for further processing.
• Also used Hbase in accordance with PIG/Hive as and when required for real time low latency queries.
• Worked in Windows, UNIX/Linux platform with different technologies such as BigData, SQL, PL/SQL, XML, HTML, CSS, Java Script, Core Java, Python etc.
• Knowledge of creating Map Reduce codes in Java as per the business requirements.
• Good experience in Oozie Framework and Automating daily import jobs.
• Having working knowledge on Hadoop Administration.
• Good understanding of NoSQL Databases
• Hands on work experience in writing application on No SQL database like Cassandra.
• Worked in ETL tools like Talend to simplify mapreduce jobs from the front end.
• Worked with Tableau for report creation and further analysis from the front end.
• Knowledge of Pentaho report creation and analysis.
• Extensive knowledge on Oracle SQL.
• Good Knowledge of MySQL and administering it with MySQL workbench and XAMPP installations.
• Experienced in design and implementation of applications using Java.
• Around 4 years of experience in Core Java programming with hands - on in Java Server Pages (JSP) framework and web technologies like HTML, JavaScript, CSS and XML.
• Strong knowledge of Software Development Life Cycle (SDLC).
• Experienced in provided training to team members as new per the project requirement.
• Good Knowledge of Microsoft Office Suite including MS Access and MS Excel.
• Working on development projects which include design, development and unit testing of applications.
• Experienced in creating Product Documentation & Presentations.
• Ability to effectively communicate with all levels of the organization such as technical, management and customers.
• Possess strong commitment to team environment dynamics with the ability to contribute expertise and follow leadership directives at appropriate times.
• Ability to perform at a high level, meet deadlines, adaptable to ever changing priorities.
• Adaptive in learning and working on various technologies.
• Excellent interpersonal skills, good experience in interacting with clients with good team player and problem solving skills.

TECHNICAL SKILLS

Hadoop/Big Data Technologies: Hadoop, HDFS, MapReduce, HBase, Pig, Hive, Sqoop, Flume, Cloudera, Oozie, Avro and Zookeeper

Programming Languages: Java, C, C++ and COBOL

Scripting/Web Technologies: JavaScript, HTML, XML, Python, Shell Scripting and CSS

ETL/BI Tools: Pentaho, SAS Enterprise Miner, Rapid Miner and Weka

Databases: Oracle 9i/10g/11g, MySQL and NoSQL

Operating Systems: Linux, Unix and Windows

Java IDE: Eclipse and NetBeans

Additional Skills: Data mining and Business Intelligence Algorithms, Talend, Tableau and R

PROFESSIONAL EXPERIENCE

Sr. Hadoop Developer

Confidential - Tampa, FL

Responsibilities:

• Installed and configured Hadoop Map Reduce, HDFS, Developed multiple Map Reduce jobs in Java for data cleaning and preprocessing.
• Experience in installing, configuring and using Hadoop Ecosystem components.
• Experience in Importing and exporting data into HDFS and Hive using Sqoop.
• Experienced in defining job flows.
• Experienced in managing and reviewing Hadoop log files.
• Participated in development/implementation of Cloudera Hadoop environment.
• Load and transform large sets of structured, semi structured and unstructured data.
• Experience in working with various kinds of data sources such as Oracle.
• Successfully loaded files to Hive and HDFS from Oracle.
• Responsible for managing data coming from different sources.
• Gained 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.
• Exported the analyzed data to the relational databases using Sqoop for visualization and to generate reports for the BI team.

Environment: Cloudera HDFS, Hadoop, MapReduce, Hive, Pig Latin, Java, SQL, Sqoop, Centos, NOSQL database.

Hadoop Developer

Confidential, St.Louis, MO

Responsibilities:

• Importing and exporting data into HDFS and Hive using Sqoop
• Involved in defining job flows, managing and reviewing log files.
• Extracted files from Oracle through Sqoop and placed in HDFS and processed.
• Load and transform large sets of structured, semi structured and unstructured data
• Responsible to manage data coming from different sources.
• Supported Map Reduce Programs those are running on the cluster
• Involved in loading data from UNIX file system to HDFS.
• Configured Pig and also written Pig queries and UDFs.
• Involved in creating Hive tables, loading with data and writing Hive queries which will run internally in Map Reduce way.

Environment: Java, Hadoop, MapReduce, Pig, Hive, Linux, Sqoop, Eclipse, AWS EC2, and Cloudera CDH3

Hadoop Developer

Confidential, Farmington, CT

Responsibilities:

• Installed/Configured/Maintained Apache Hadoop clusters for application development and Hadoop tools,including: Hive, Pig, HBase, Zookeeper and Sqoop.
• Involved in analyzing system failures, identifying root causes and recommended course of actions.
• Worked on Hive for exposing data for further analysis and for generating transforming files from different analytical formats to text files.
• Managing and scheduling Jobs on a Hadoop cluster.
• Assisted in designing, building, and maintaining database to analyze life cycle of claim processing and transactions.
• Job Scheduling using Oozie and tracking progress.
• Analysis of Web logs using Hadoop tools for operational and security related activities.
• Evaluated business requirements and prepared detailed specifications that follow project guidelines required to develop written programs.

Environment: Cloudera HDFS, Hive, Pig, HBase, Zookeeper, Sqoop, Java, JDBC, Subversion, JUnit, SQL,Oracle, XML, Putty and Eclipse and RESTful WebServices.

Java Developer

Confidential, Birmingham, AL

Responsibilities:

• Involved in many phases of SDLC such as requirements analysis, preparation of specifications document, design, development, deployment and unit test
• Designed implementation logic for core functionalities and screen validations
• Developed service layer logic for core modules using JSPs, Involved in implementation of presentation layer logic using HTML, CSS, JavaScript and XML
• Design of Oracle database tables to store customer's general and billing details
• Used JDBC connections to store and retrieve data from the database.
• Development of complex SQL queries and stored procedures to process and store the data
• Used ANT, a build tool to configure application
• Developed test cases using HP Quality Center
• Involved in code deployment, unit testing and bug fixing.
• Prepared design documents for code developed and defect tracker maintenance.

Environment: Java Server Pages (JSP), Java, HTML, CSS, XML, JavaScript, Apache Tomcat, Ant, SQL and Shell Scripting

Software Engineer

Confidential

Responsibilities:

• Maintained the UI screens using web technologies like HTML, JavaScript, JQuery and CSS
• Worked on the entire SDLC while working on few enhancements
• Provided regular updates to the customers on the status of enhancements
• Coding of assigned task and peer review
• Documented the changes for future development projects
• Prepared test cases for QA team
• Collaborated with QA team in testing the applications
• Involved in code deployment, unit testing and bug fixing.
• Prepared design documents for code modified and ticket maintenance.

Environment: Java, HTML, CSS, XML, JavaScript, JQuery, Apache Tomcat, Ant, SQL,PL/SQL and Shell scripting