SUMMARY:

• Over 8 years of professional IT experience, 3 +years inBigDataEcosystemexperienceiningestion,querying,processing and analysis of big data.
• Experience in using Hadoop Ecosystem component slike Map Reduce, HDFS, HBase, Zookeeper, Hive, Sqoop, Pig, Flume, and Cloudera.
• Knowledge on NoSQL databases likeHBase,Cassandra
• ExperienceincludesRequirementsGathering,Design,Development,Integration,Documentation,Testing and Build.
• ExperienceinworkingwithMapReduceprograms,PigscriptsandHivecommandstodeliverthebestresults.
• ExtensivelyworkedondevelopmentandoptimizationofMapReduceprograms,PIGscriptsandHIVEqueries to create structured data for data mining.
• Solid knowledge of Hadoop architecture and daemons likeName node, Data nodes, Job trackers, TaskTrackers.
• Good knowledge on Zookeeper to coordinate clusters.
• ExperienceinDatabasedesign,Dataanalysis,ProgrammingSQL,Storedprocedure'sPL/SQL,andTriggers in Oracle and SQL Server.
• Experience in extending HIVE and PIG core functionality by using Custom user Defined functions.
• Experienceinwritingcustomclasses,functions,procedures,problemmanagement,librarycontrolsand reusable components.
• WorkingknowledgeonOozie,aworkflowschedulersystemtomanagethejobsthatrunonPIG,HIVEandSqoop.
• Followed Test driven development of Agile and scrum Methodology to produce high quality software.
• Experienced in integrating Java - based web applications in a UNIX environment.
• DevelopedapplicationsusingJAVA, JSP,Servlets,JDBC,JavaScript, XML and HTML.
• Stronganalyticalskillswithabilitytoquicklyunderstandclientsbusinessneeds.Involvedinmeetingsto gather information and requirements from the clients.
• Research-oriented,motivated,proactive,self-starterwithstrongtechnical,analyticalandinterpersonalskills.

TECHNICAL SKILLS:

Hadoop Ecosystem: HDFS,MapReduce,Hive,Impala, Cassandra, Pig,Sqoop,Flume,Oozie,Zookeeper, Ambari, Spark, Storm.

Project M anagement / Tools: All MS Office suites(incl. 2003), MS Exchange & Outlook, Lotus Domino Notes, Citrix Client, SharePoint, MS Internet Explorer, Firefox, Chrome

Web Technologies: HTML, XML, CSS, JavaScript

NoSQL Databases: HBase, Cassandra

Databases: Oracle 8i/9i/10g, MySQL

Languages: Java, SQL, PL/SQL, Ruby, Shell Scripting

Operating Systems: UNIX(OSX, Solaris), Windows, Linux(Cent OS, Fedora, Red Hat)

IDE Tools: Eclipse, NetBeans

Application Server: Apache Tomcat

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Hadoop Developer

Responsibilities:

• Installed and configured Pig and also written Pig Latinscripts.
• Involved in managing and reviewing Hadoop Job tracker log files and control-m log files.
• Scheduling and managing cron jobs wrote shell scripts to generate alerts.
• Monitoring and managing daily jobs, processing around 200k files per day and monitoring thosethroughRabbitMQ and Apache Dashboard application.
• Used Control-m scheduling tool to schedule daily jobs.
• Experience in administering and maintaining a Multi-rack Cassandra cluster
• Got good experience with NoSQL databases like Cassandra, HBase.
• Involved in creating Hive tables, loading with data and writing hive queries which will runinternally in map reduce way.
• Used Sqoop to efficiently transfer data between databases and HDFS and used Flume to stream the log data from servers/sensors
• Developed MapReduce programs to cleanse the data in HDFS obtained from heterogeneous data sources to make it suitable for ingestion into Hive schema for analysis.
• Used Hive data warehouse tool to analyze the unified historic data in HDFS to identify issues and behavioral patterns.
• The Hive tables created as per requirement were internal or external tables defined with appropriate static and dynamic partitions, intended for efficiency.
• Used Control-m scheduling tool to manage interdependent Hadoop jobs and to automate several types ofHadoop jobs such as Java map-reduce, Hive and Sqoop as well as system specific jobs
• Worked with BI teams in generating the reports and designing ETL workflows on Tableau.
• Involved in Scrum calls, Grooming and Demo meeting, Very good experience with agile methodology.

Environment: Apache Hadoop 2.3, gphd-1.2, gphd-2.2, Map Reduce 2.3, HDFS, Hive, Java 1.6 & 1.7, Cassandra, Pig, SpringXD, Linux, Eclipse, RabbitMQ, Zookeeper, PostgresDB, Apache Solar, Control-M, Redis., Tableau, Qlikview, DataStax.

Hadoop Developer

Responsibilities:

• Installed and configured Hadoop Map reduce, HDFS, Developed multiple Map Reduce jobs in java for data cleaning and preprocessing.
• Installed and configured Pig and also written Pig Latin scripts.
• Developed PIG scripts using Pig Latin.
• Involved in managing and reviewing Hadoop log files.
• Exported data using Sqoop from HDFS to Teradata on regular basis.
• Developing Scripts and Batch Job to schedule various Hadoop Program.
• Written Hive queries for data analysis to meet the business requirements.
• Creating Hive tables and working on them using Hive QL.
• Experienced in defining job flows.
• Got good experience with NoSQL databases like Cassandra.
• Involved in creating Hive tables, loading with data and writing hive queries which will run internally in map reduce way.
• Designed and implemented Map reduce-based large-scale parallel relation-learning system
• Setup and benchmarked Hadoop clusters for internal use.
• Worked with BI teams in generating the reports and designing ETL workflows on Tableau.

Environment: Cloudera Hadoop(CDH 4.4), MapReduce, HDFS, Hive, Java, Pig, Cassandra, Linux, XML, MySQL, MySQL Workbench, Java 6, Eclipse, PL/SQL, SQL connector, Sub Version.

Hadoop Developer

Responsibilities:

• Involved in review of functional and non-functional requirements.
• Installed and configured Hadoop MapReduce, HDFS, Developed multiple MapReduce jobs in java for data cleaning and preprocessing.
• Installed and configured Pig and Developed Pig Latin scripts.
• Involved in managing and reviewing Hadoop log files.
• Importing and exporting data using Sqoop to load data to and from Teradata to HDFS on regular basis.
• Importing & exporting data from RDBMS to HDFS, Hive and HBase using Sqoop, Flume.
• Developed Scripts and Batch Job to schedule various Hadoop Program.
• Creating Hive tables and working on them using Hive QL.
• Experienced in defining job flows.
• Good exposure to NoSQL database HBase.
• Developed Custom UDFs in PIG.
• Prepared shell scripts for executing Hadoop commands for single execution.
• Extracted feeds form social media sites such as Facebook, Twitter using Python scripts.
• Setup and benchmarked Hadoop/HBase clusters for internal use.

Environment: Hadoop CDH4.1.1, Pig 0.9.1, Avro, Oozie 3.2.0, Sqoop, Hive, PIG, Java 1.6, Eclipse, Teradata, HBase.

Java Developer

Responsibilities:

• Involved in Requirement analysis and design phase of Software Development Life cycle (SDLC).
• Designed, Developed and modified front-end UI using HTML, CSS, JavaScript,JQuery.
• Involved in designing the front end screens & Designed Low-Level design documents for the project.
• Writing complex SQL and PL/SQL queries for stored procedures.
• Generating Unit Test cases with the help of internal tools.
• Used JavaScript, JQuery for development.
• Used HTML, CSS and for the enriched front end.
• Developed Client applications to consume the Web services based on SOAP.
• Designed the projects using MVC architecture providing multiple views and thereby providing efficient modularity and scalability.
• Performed business validations at the back-end using Java modules and at the front-end using JavaScript.
• Performed building and deployment of EAR, WAR, JAR files on test, stage systems in Weblogic ApplicationServer.
• Used Singleton, DAO, DTO, MVC design Patterns.
• Involved in resolving Production Issues, Analysis, Troubleshooting and Problem Resolution.
• Involved in development and deployment of application on Linux environment.
• Involved in defect Tracking, Analysis and Resolution of bugs in system testing.
• Involved in Designing and creating database tables.
• Prepared project Metrics for Time, cost, Schedule and customer satisfaction (Health of the project).

Environment: Java, J2EE, XML, spring, Struts, Hibernate, Design Patterns, Maven, Eclipse, Toad, ApacheTomcat and Oracle.

Java/J2EE Developer

Responsibilities:

• Involved in Java, J2EE, struts, web services and Hibernate in a fast paced development environment.
• Followed agile methodology, interacted directly with the client on the features, implemented optimal solutions, and tailor application to customer needs.
• Involved in design and implementation of web tier using Servlets and JSP.
• Developed the user interface using JSP and Java Script to view all online trading transactions.
• Designed and developed Data Access Objects (DAO) to access the database.
• Used DAO Factory and value object design patterns to organize and integrate the JAVA Objects
• Coded Java Server Pages for the Dynamic front end content that use Servlets and EJBs.
• Coded HTML pages using CSS for static content generation with JavaScript for validations.
• Used JDBC API to connect to the database and carry out database operations.
• Used JSP and JSTL Tag Libraries for developing User Interface components.
• Performing Code Reviews.
• Performed unit testing, system testing and integration testing.
• Involved in building and deployment of application in Linux environment.

Environment: Java, J2EE, JDBC, Struts, SQL. Hibernate, Eclipse, Apache POI, CSS.

Application Packager

Responsibilities:

• Communicating with Customers to understand their business technical requirements, gathering information and creating Requirement gathering documents.
• Creating .MSI packages (Windows Installer Package) using Installshield Adminstudio, Configuring vendor supplied MSI with install tailor to create Transforms (.MST)
• Used VMware to build Images for WorkStation with Sequencing and Test Builds.
• Created Sequenced applications using AppV 4.5 on Windows XP Environment.
• Experience in creating, editing, upgrading and customizing existing Softgrid packaged sequences.
• Working with SoftGrid Console to import the sequenced applications and publishing them for testing.
• Sequenced different vendor products like Microsoft, Adobe, and Oracle software.
• Created Documentation for the Package Creation, Configurations made, and the Custom Actions included.
• Converted several third party (cots) applications into MSI format (Windows Installer) using Installshield Adminstudio.
• Used FileMon, RegMon, and Process Monitor Tools to troubleshoot the applications in Lockdown Environment. Used BeyondCompare tool to validate the applications comparing with the Gold Iamge.
• Extensively used Wise Script Editor and VBScript to develop Custom Actions and create Deployment Wrappers as per the Standards.
• Applied GPOs to control the working environment of user accounts and computer accounts

Environment: Windows XP,AppV 4.5, InstallShield Adminstudio9.0, VMware, SCCM 2007

Application Packaging Engineer

Responsibilities:

• Created silent MSI application packages using Wise Package Studio 6.0.
• Converted several third party (cots) applications into MSI.
• Involved in Re-packaging, testing, Deployment and support of MSI Packages.
• Created Transforms for several Vendor MSI applications using Wise Package StudioInstall Tailor Tool.
• Used ORK (Office Resource Kit 2003) to create transforms for Microsoft Products.
• Used Visual Basic Scripting and Wise Script Editor to create custom actions.
• Worked extensively with Windows Registry and file/registry Security/Permissions.
• Interacted with business unit management and support personnel to determine specifications on day to day basis.
• Worked with software vendors to resolve installation Problems.
• Used Windows Installer SDK development tools like Orca as part packaging and troubleshooting.
• Worked on VMware Workstation to create and test MSI packages and related tasks for package building.
• Used Sysinternal tools Filemon, Regmon, Install Analyzer etc as part of troubleshooting.
• Interacting with Users/Application technical contacts for Application Packaging/Distribution support for the creation packages.

Environment: VB Scripts, Wise Package Studio 6.0, Scripting, Wise Install Master 9.0, Ghost 8.x, Windows XP

Application Scripter

Responsibilities:

• Created Windows Installer Applications using Wise Package Studio 5.6
• Worked on different Hardware devices like Printers, Scanners, and Other devices used in Staples Retail Environment.
• Worked on Windows XP and Server 2003 OS for Packaging the applications using Wise Package Studio and testing them.
• Tested the preexisting packaged applications on Windows XP using Application Compatibility Testing.
• Used Package Validation to check ICE errors and Microsoft Logo Standards, and Test Expert to test the Quality and Functionality of the packaged Applications.
• Created Documentation for the Package Creation, and the Custom Actions included.
• Used FileMon, RegMon, and Process Monitor Tools to troubleshoot the applications in Lockdown Environment.
• Extensively used Wise Script Editor to develop Custom Actions and create Deployment Wrappers as per the Staples Standards.

Environment: Windows XP, Windows 2003, Wise Package Studio 5.6, VMware, Altiris 6.0.