SUMMARY:

• Over 7 years of experience in Java and Big Data technologies in complete software development life cycle (SDLC) of n - tier large web-based distributed systems
• Experienced with the entire Software Development Lifecycle (SDLC) of applications: gathering requirements, analysis, conceptual and detail design, development, verification and testing.
• Experience in designing, configuring and managing network and storage infrastructure.
• Experience in analyzing and recommending the Big Data solutions.
• Good Knowledge on various Hadoop Distributions like Cloudera, Apache
• Experience in installation, configuration and management of Hadoop Clusters Experience in managing the Hadoop infrastructure with Cloudera Manager Experience in understanding and managing Hadoop Log Files.
• Experience in providing security for Hadoop Cluster with Kerberos.
• Experience in analyzing data in HDFS through Hive, Pig, DMX-h
• Experience in bi-directional data pipelines from HDFS to Relational Database with Sqoop.
• Experience in setting up the High-Availability Hadoop Clusters.
• Flexible with Unix/Linux and Windows Environments.
• Experience in working with Operating Systems like Centos 5/6, Ubuntu 10/11 and Sun Solaris Experience in developing Shell Scripts for system management and Hadoop applications. Experience in working various RDMS like Oracle SQL Developer, PostgreSQL, MySQL and Teradata
• Expertise in implementation of MVC using frameworks such as Struts and Spring.
• Motivated team player with ability to work under minimal supervision possessing excellent communication, interpersonal, analytical and problem solving skills.

PROFESSIONAL SUMMARY:

Confidential, Irving, TX

Hadoop Developer

Responsibilities:

• Analyzing the requirement(s).
• Prepare the effort estimation for the activity based on the requirement and design document Analyzing the Business Requirements and System Specification to understand the application.
• Participated in brainstorming sessions on finalizing the data ingestion requirements and design.
• Experience in configuring Hadoop components including Hive, Pig, HBase, Spark,Sqoop,Oozie and Hue in the client environment.
• Designed and developed a process to do incremental import of raw data from DB2 into Hive tables using Sqoop.
• Experience in managing data coming from different sources and involved in HDFS maintenance and loading of structured and unstructured data.
• Perform Data Ingestion Activities using Solix.
• Involved in converting HIVE/SQL queries into spark transformations using Spark RDDs.
• Performed various levels of data curation(L1-L5) takes places within EAP.
• Developed dashboards using Arcadia Data.
• Collect the metrics from various tools like RevoR, Datameer, Platfora, Yarn and Spark.
• Performed data cleaning using Paxata and place the final data in Hive tables.
• Involved in creating POCs to ingest the data using Spark and HDFS.
• Experienced in monitoring cluster using Cloudera Manager. Involved in Unit testing.

Environment: Hadoop, Hive, Spark SQL, Arcadia Data, JIRA, MYSQL workbench, Autosys, Paxata,Hue,Platfora,Unix,Sqoop,Solix.

Confidential, Charlotte, NC

Hadoop Performance Engineer

Responsibilities:

• Gather requirements from end users for the data required for analysis.
• Responsible for Hadoop design, development, testing and performance for the Haas applications.
• Preparation of High Level and Low Level designs from the requirements.
• Analyze the availability of data from various upstream applications.
• Experience in tuning the performance for the Hadoop MR jobs.
• Extract source files from various application databases and transform as per business requirements.
• Experience in developing the UNIX shell scripts to capture the various logs as part of performance metrics for YARN and SPARK.
• Experience in building the hive tables on top of HDFS for user querying purpose.
• Experience in scheduling the jobs through Autosys.
• Experience in performing code migrations.
• Developed automated performance metrics tool
• Experience in executing the queries using Beeline.
• Involved in Hadoop MR1 to YARN migration
• Developed hive scripts for data transformation and aggregation.
• Processing data provisioning using DMX-h using MR in DMExpress tool.
• Experience in handling the small part files and zero byte files.
• Developed the Sqoop commands for exporting and importing data in HDFS.
• Experience in developing the Oozie workflows for launching the jobs.
• Extracted the data from Teradata tables and import that into the HDFS using Sqoop.
• Built the hive tables on top of HDFS for user querying purpose.
• Assisting the application teams on the issues through Nexus requests.

Environment: - Hadoop 2.0,Hive,Beeline,Kafka,Spark 1.6,Impala,Hue,DMX-h,Autosys,Teradata.

Confidential, San Jose,CA

Hadoop Developer/Administrator

Responsibilities:

• Working with sub-version (Linux) tool.
• Developed functional test cases and test scripts for Hadoop environment validation after the upgrade.
• Experience in working various ETL tools like Hive and Pig.
• Experience in writing Java Map Reduce programs and Hive/Pig UDF’s
• Experience in developing Oozie work flows for managing various Hadoop ETL tools.
• Experience in importing and exporting data from/to relational databases and HDFS using Sqoop.
• Experience in working with Impala for ad-hoc querying on Hadoop systems.
• Experience in working with open source databases like My SQL, PostgreSQL.
• Install and configure Linux audit tool for various auditing purposes.
• Developed effective solution for output and error logging for Linux jobs.
• Documenting project design and test plan for various projects landing on Hadoop platform.
• Developed effective solution for output and error logging for Linux jobs.
• Developed a real-time CPU and memory monitoring web interface to overcome Cloudera Manager CPU and memory charts bug.

Environment: - Hadoop 1.0,Sqoop,MySQL,Oozie,Sqoop, Java,MapReduce,Impala,Pig,UNIX

Confidential, Tallahassee. FL

Java Developer

Responsibilities:

• Working on the design and delivery of the project.
• Working on Agile methodology and pair programming to develop web applications.
• Implemented UML diagrams in the design of the project.
• Experience in building scripts via Maven.
• Working on data migration from Microsoft Access to Oracle SQL using ODBC drivers.
• Involving in the code review meetings.
• Frequent Interaction with the client in gathering the requirements and implementing them into the development.
• Working on the scripting languages like jQuery.
• Deploying the application in Oracle web logic application server.
• Using Oracle SQL Developer to create tables, views, trigger and partitions.

Environment: - jQuery 2.0,UML Diagrams, Maven 2.0,Oracle SQL Developer, Oracle Web Logic Sever.

Confidential, Tallahassee, FL

Java Developer

Responsibilities:

• Involved in writing technical design documents from functional design documents.
• Worked in designing, development and delivery of the project.
• Primarily involved in development of screen designs using Struts framework, JSPs and HTML.
• Using Struts in presentation tier and used Spring Core/IOC to wire/inject the object dependencies.
• Used Hibernate framework was used to persist the data on to oracle database.
• Performed validations using Struts validation framework and client side validations using JavaScript.
• Actively involved in code review and was responsible for unit integration/bug fixes.
• Involved in Studying the User requirement. Involved in Installation and configuration of WebSphere 8 Application Server.
• Design and Review the test cases as per the functional Scenarios and incorporating the review comments as per the business.
• Validating the backend functional flows by retrieving the results through SQL developer Involved in defect tracking and defect management by using the IBM Rational Clear quest.
• Involved in Defect triage calls with the developers, Business Analysts and testing team to discuss about the defects summary.
• Co-ordinate with business team & supported to UAT testing.
• Conducted formal & Informal testing with CMS Federal HUB to verify the services working fine.

Confidential, Salt Lake City.UT

Java/J2EE Developer

Responsibilities:

• Worked in designing, development and delivery of the project.
• Worked on the scripting languages like JSP, jQuery.
• Developed the front end application using jQuery, CSS and JavaScript.
• Used ANT and compile to deploy the files.
• Worked on SPRING MVC to create mappings and store the data in to database.
• Handled Source code management using GIT.
• Worked on Creating the Database tables.
• Deployed the application in Web sphere Application Server.
• Involved in code review documents and bug fixing for improving the performance.

Environment: Java, JavaScript, jQuery, CSS 3.0, Spring MVC,ANT, IBM WebSphere Application Server, GIT.

Confidential, Olympia, WA

Java/J2EE Developer

Responsibilities:

• Worked in designing, development and delivery of the project.
• Continuous interact with clients for requirements and specifications understanding.
• Worked on Program Request (PR) and Change Request (CR) of various releases.
• Worked on the scripting languages like JSP, jQuery.
• Used ANT and compile to deploy the files.
• Worked on SPRING MVC to create mappings and store the data in to database.
• Handled Source code management using clearquest.
• Worked on Creating the Database Tables.
• Extensively used DOM and SAX parsers for parsing XML data and XSLT for XML transformations.
• Deployed the application in Websphere Application Server.
• Used Oracle DB2 database with SQL to create tables, views, trigger and partitions.
• Involved in all the major releases.
• Involved in code review documents and bug fixing for improving the performance.
• Developed the front end application using jQuery and JavaScript.

Environment: - Java, jQuery, JSP, JavaScript, XML, IBM WebSphere application Server, Spring MVC,ANT.DB2.

Confidential

Java/J2EE Developer

Responsibilities:

• Worked in designing, development and delivery of the project.
• Continuous interact with security and exchange commission’s clients for requirements and specifications understanding.
• Worked on Program Change Request (PCR) and Software Provider Requests (SPR) of various releases.
• Created managed beans and model for Struts framework.
• Worked on the scripting languages like JSP, jQuery.
• Used ANT and compile to deploy the files.
• Used Spring-JDBC with Hibernate to provide abstraction layer to DAOs.
• Worked on Hibernate to create mappings and store the data in to database.
• Worked on HTML JUnit test cases on different modules in the project.
• Handled Source code management using Serena VM.
• Worked on Creating the Database Tables.
• Deployed the application in Tomcat application server.
• Involved in all the major releases.
• Involved in code review documents and bug fixing for improving the performance.
• Developed the front end application using jQuery and JavaScript.
• Manipulated DB2 for data retrieving and storing using Hibernate.
• Involved in creating the style sheets.

Environment: - Java 1.6,JSP,jQuery,Tomcat 7.0,Javascript,Hibernate,Spring-JDBC,Struts 2.0,ANT.

Confidential, Atlanta, GA

Java/J2EE Developer

Responsibilities:

• Worked in designing, development and delivery of the project.
• Continuous interact with Fedex clients for requirements and specifications understanding.
• Worked on Quality Controls in L2 environment.
• Created managed beans and model for JSF framework.
• Worked on servlet programming and JSP scripting for the communication between web browser and server.
• Worked on test cases on different modules in the project.
• Worked on scripting languages like Ajax and HTML
• Involved in code review documents and bug fixing for improving the performance.
• Used Oracle 11g database with SQL to create tables, views, trigger and partitions.
• Implemented application logging features using log4j.
• Deployed the application in JBoss Application server.
• Extensively used JBoss while writing code and for creating data sources
• Used SVN for source control and created build scripts using ANT.
• Providing the production support to the application and resolved the production issues.
• Testing the application in all the environments like UAT and performance testing.
• Used ANT to compile and deploy the files.

Environment: Java 1.5, JSF 2.0,JBoss, ANT, JSP, HTML, AJAX, Tomcat, Oracle SQL Developer.