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Hadoop Developer Resume

NC

SUMMARY

  • Overall 7+ years of experience in Software Development Lifecycle (SDLC), which include 2+ years Hadoop development and Analysis, Design, Implementation, Testing and Deployment of Web - Based, Distributed and Enterprise Applications withJava/J2EEtechnologies.
  • Sound knowledge on Hadoop Clusters -Cloudera and Hadoop Hortonwork distributions.
  • Understanding / knowledge of Hadoop architecture and various components such as HDFS, Job Tracker, Task Tracker, NameNode, Data Node and MapReduce programming paradigm.
  • Work experience in HIVE, HDFS, HBase, Sqoop, Oozie, Cloudera, and YARN.
  • Have knowledge in writing MapReduce jobs in Java.
  • Well versed in importing and exporting data from and into HDFS using Sqoop and then processing the data.
  • Involved in developing multiple jobs using Oozie Workflow Engine which runs Hadoop Map-Red Jobs.
  • Familiar in Spark tools like RDD transformations and spark QL.
  • Done a POC, by executing the rdbms query using spark on the respective database engine
  • Involved in POC with Spark and java.
  • Expertise in design and development of various web and enterprise applications using various technologies like JSP, Servlets, Struts, JDBC, XML, AJAX, SOAP and Web Services.
  • Proficiency in programming with different Java IDE's like Eclipse, JDeveloper and NetBeans.
  • Experience in using of web/application servers Apache Tomcat, Web Logic and WebSphere.
  • Experience in working with different databases like Oracle and MYSQL along with exposure to Hibernate, JDBC for mapping an object-oriented domain model to a traditional relational database.
  • Experience in web-based languages such as HTML, CSS, XML and other web methodologies and knowledge in Web Services and SOAP.
  • Consumed the webservices using axis tool.
  • Familiar in using SCRUM methodology, Test Driven Development, Pair Programming and Continuous Integration.

PROFESSIONAL EXPERIENCE

Confidential, NC

Hadoop Developer

Responsibilities:

  • Created Hive external tables and ingested data into the tables.
  • Worked in onshore/offshore delivery model.
  • Developed Sqoop jobs for extracting data from heterogeneous data sources.
  • Created hql scripts to validate the data.
  • Made changes in the java code to automate the hql script generation.
  • Performance tuning of hive queries.
  • Used git as a code repository.
  • Done a POC, by executing the rdbms query using spark on the respective database engine.
  • Used HP ALM to raise defects.

Environment: Hadoop, Hive, Sqoop, HDFS, Linux, Spark, Cloudera, Eclipse

Confidential, CT

Hadoop Developer

Responsibilities:

  • Create data definitions for new database file/table development and/or changes to existing ones as needed for analysis
  • Creating ETL processes to source and target
  • Data Ingestion.
  • Experience with Hive and Sqoop
  • Developed hive scripts to meet complex business requirements
  • Created Hive tables with partitioning and bucketing for quick sampling of large data sets
  • Involved in development of current and historical cases using hive scripts.
  • Created a data pipeline using Sqoop to get the data from rdbms to Hadoop file system.
  • Extracted data from Sybase to hive tables to make transformations.
  • Communicating with the business user for the requirements.
  • Created views for reporting purpose.
  • Worked on parquet file for hive for faster retrieval.
  • Transferring unstructured data into hdfs.
  • Interacted with clients to gather business requirements.
  • Project was executed on Agile methodology

Environment: Linux, Cloudera, HDFS, Sqoop, Hive

Confidential, San Antonio, Texas

Java Developer

Responsibilities:

  • Developed the Web Application UsingJavaJ2EEtechnologies which includes Servlets and JSP's
  • Designed the pages using JSP.
  • Developed the application using the Eclipse as Integrated Development Environment.
  • Created the database using JDBC which includes Creating, Updating and Inserting the data.
  • Developed the User interface using HTML, CSS, JavaScript.
  • Developed the application using the Eclipse as Integrated Development Environment.
  • Bugs fixing and smoke test.
  • Used SQLDeveloperto store data and perform CRUD operation.
  • Involved in the documentation.

Environment: Eclipse, Oracle, JSP, Struts framework, SQL developer, JavaScript, HTML.

Confidential, Texas

Sr. Developer

Responsibilities:

  • Involved in the requirements gathering, Design and checking for the correctness of the html pages.
  • Participated in weekly meetings and status
  • Played as quality engineer, like checking for the errors in the other Webpages developed by the team.
  • Used Dream Weaver for the design of html pages.
  • SharePoint was used in order to update the status of completeness of one procedure (HTML page).
  • EMC web publisher was used, as a repository containing the procedures to be modified. Checking in on a particular procedure and after made changes, it will be publish into the same.
  • Documented the project as per the instructions for future use.

Environment: SharePoint, EMC Web Publisher, Dream Weaver, HTML

Confidential

Sr. Developer

Responsibilities:

  • Communicates project needs to client and internal employer personnel to ensure quality and timely.
  • Creates and maintains project documentation.
  • Used axis tool to generate stubs from the WSDL files to access the WebServices.
  • Created portlets for JSP pages.
  • Form validations had been done with JavaScript.
  • Updated the existing pages according to the requirements.
  • Bugs fixing and maintenance.
  • Smoke testing of the applications were done for the applications which I have done.
  • Used SQL Developer for the database changes.
  • Visio was used to develop the flow charts.
  • Documentation was done as per the company standards for future use.
  • Followed MVC architecture.

Environment: JDeveloper, Oracle, JSP, SQL developer, JavaScript, HTML, Weblogic portlets, Weblogic server.

Confidential

Associate Developer

Responsibilities:

  • Developed the application using the JDeveloper as Integrated Development Environment.
  • Participated in software development life cycle started with requirement gathering to product delivery.
  • Creates and maintains project documentation.
  • Generated reports using Jasper reporting tool.
  • Wrote SQL queries for creating, inserting, modifying the data for Data Manipulation.
  • Participated in GUI validation using JavaScript coding and worked on Struts framework.
  • Developed the application using Struts Framework that influences MVC architecture.
  • Developed Web Pages using JSP, HTML, Java Script, CSS.
  • Tested the application and done correctness.
  • Documented the project as per the specifications.
  • Bugs Fixing and maintenance.
  • Microsoft Visual source safe for code check-in. Made changes to the code and checked in.

Environment: JDeveloper, Windows XP, Oracle, JSP, Servlets, Toad, Javascript, HTML, Oc4j server, Jasper Reports, Struts, Microsoft Visual source safe.

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