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Hadoop / Java Developer Resume

State Of, MinnesotA

SUMMARY:

  • Total 12+ Years of ITS Industry Experience as Hadoop and Java/J2EEDeveloper.
  • 4+ years’ experience in developing various Map Reduce applications, spark, spark Streaming, UDFs for Hive/Pig to perform ETL workloads on terabytes of data.
  • Expertise in Hadoop Eco - system(HDFS, Map Reduce,, Hive, Pig, Sqoop, HBase, Oozie, Flume) and various other ecosystem components(Spark, Kafka, Storm, Impala) and AWS Kinesis
  • Installing, deploying, configuring & troubleshooting Hadoop/Big Data ecosystem components.
  • Experience working with Cloudera Distributions of Hadoop
  • Converted Map Reduce applications to Spark.
  • Handled messaging services using Apache Kafka.
  • Supported data analysis projects using Elastic Map Reduce on the Amazon Web Services (AWS) cloud. Exporting and importing data into S3.
  • Experience in working on AWS, Flume to load the log data from multiple sources directly into HDFS & running Pig and Hive scripts.
  • Involved in deployment of Hadoop cluster, addition/removal of nodes, troubleshooting when job is hung/failed, configured and tuned the cluster, find the bottlenecks, monitoring cluster, configured name-node high availability, configured schedulers, took data backups.
  • Worked with BI team and transform big data requirements into Hadoop centric technologies.
  • Worked in performance tuning of Hadoop cluster by gathering and analyzing the existing infrastructure.
  • Written MR Unit and unit Test cases and submitted Unit test results as per the quality process.
  • Involved in production monitoring using workflow monitor and experience in development and support environments
  • 8+ years of Experience with Java/J2EE technologies using Core Java, JSP, Servlets, JDBC, XML, Web services, PL-SQL, Oracle, Shell Scripting and Confidential WAS .
  • Experience in Agile Methodology, Water Fall Methodology and Test Driven Development framework.
  • Experience in software configuration management using VSS, CVS and Subversion.

TECHNICAL SKILLS:

Hadoop Technology: HDFS, Map reduce, Pig, Hive, HBase, Sqoop, Oozie, Zookeeper, Hue, Spark, Cloudera Manager,AWS Kinesis

Java Technology: JSP, applets, AWT, Swing, Beans, EJB, J2EE, JMS, JDBC/ODBC, JNDI and RMI

Operating Systems: Windows 9X/XP/2003 ServerUNIX (SUN OS 5.9,HP-UX 10.20,AIX 5.7),Red hat Linux

Development Frameworks: Struts v1.2/1.3,Spring framework v3.0, Log4J, Ant, Maven, JUnit

Scripting Language: Shell script, SQL scripts, CGI Scripts, JavaScript

Middleware: Confidential WebSphere Application Server 8.x/7.x/6.x, Confidential HTTP Server 8.x/7.x/6.x, MQ 7.x, Apache HTTP, Tomcat Apache

WORK EXPERIENCE:

Confidential, State of Minnesota

Hadoop / Java Developer

Responsibilities:

  • Involved in software detailed design, coding, testing application.
  • Involved in importing data from Weblog and Apps log using Flume and Spark Streaming.
  • Involved in importing data from Oracle to HDFS using SQOOP and spark streaming.
  • Involved in writing Map Reduce program and spark program and Hive queries to load and process data in Hadoop File System.
  • Involved in creating Hive tables, loading with data and writing hive queries which will run internally in map reduce way.
  • Involved in Hadoop installation and Configuration on Dev/IT/TEST Env
  • Providing End to End support for the testing activities during System Testing, UAT.
  • Maintain source code using SVN.

Environment: Hadoop, Hive, Pig, Spark, Scala, Oozie, Hue, HBase, Flume, AWS, S3, EMR, Kafka, Hdfs, Sqoop, Cloudera distribution, Unix Shell scripting

Confidential, Hoffman Estates, IL

Senior Software Engineer

Responsibilities:

  • Involved in software detailed design, coding, testing application.
  • Performing Code reviews with the team, design reviews with the Architects.
  • Developed application using Java/J2EE Technologies, Web services.
  • Delivered new and complex high quality solutions to clients using Confidential Products/Tools, J2EE, EJB, Servlets, JSP, HTML, JavaScript and XML
  • Involved in importing data from Weblog and Apps log using Flume.
  • Involved in Map Reduce and Hive Optimization.
  • Involved in importing data from Oracle to HDFS using SQOOP.
  • Involved in writing Map Reduce program and Hive queries to load and process data in Hadoop File System.
  • Involved in creating Hive tables, loading with data and writing hive queries which will run internally in map reduce way.
  • Preparing builds, deploy and Co-ordinate with the release management team to ensure that the proper process is followed during the release.
  • Involved in Hadoop installation and Configuration on Dev/IT/TEST Env
  • Providing End to End support for the testing activities during System Testing, UAT.
  • Maintain source code using SVN.

Tools: & Technology used: Core java,J2EE, Hibernate, Struts Framework, Servlets, XML, Web services, SVN, Windows XP/ UNIX, Linux, Eclipse, WAS 7.x,8.5, WPS 7.5, BPM 8.5, HTML, CSS, Spring JDBC, Hibernate, Oracle10g, PL/SQL, Cloudera Hadoop CDH4 (Classic Framework), Map Reduce, HDFS, HIVE, Sqoop, Flume, Oozie, HUE

Confidential

Senior Software Engineer

Responsibilities:

  • Developed application using Java/J2EE Technologies, Web services.
  • Provided End to End support for the testing activities during System Testing, UAT.
  • Delivered new and complex high quality solutions to clients using Confidential Products/Tools, J2EE, EJB, Servlets, JSP, HTML, JavaScript and XML.
  • Developed the web applications using Struts, Spring Framework.
  • Applied Spring Framework for transaction Management and Spring JDBC, and for AOP and Dependency Injection.
  • Developed Spring DAO to integrate with Hibernate ORM.
  • Developed Hibernate mapping with Spring, Hibernate queries (HQL) and criteria queries.
  • Developed the Web Services using Jersey framework based on REST Architecture, which are used by other Applications
  • Wrote SQL queries and Stored procedures for the application.
  • Wrote Test cases using JUnit.
  • Implemented Log4j framework for logging mechanism.

Tools: & Technology used: J2EE, Struts Framework, Servlets, JSP, log4J, Ant, XML, SOAP, POJO, Web services, SVN, Windows XP/ UNIX, Eclipse, JBOSS, Junit, Python, Java Script, JQuery, HTML, CSS, Spring JDBC, Hibernate, SOAP,REST,WSDL, XSD, Oracle10g, PL/SQL

Confidential

Software Engineer

Responsibilities:

  • Analysis the Requirements preparing estimate and preparing the documentation (Impact Analysis, detail design document, Implementation plan).
  • Preparing the Test plan, Test cases (unit testing, System Testing) and also involving in unit testing of all development and modifications and support for UAT
  • Involved in bug fixing by debugging the existing codes
  • Worked on production tickets of the application

Tools: & Technology used: Informix 4GL Unix (HP-UX 10.20) Environment, UNIX shell scripts, Informix 7.24, Oracle, Connect Direct, GDB,Java, gcc, SCME, C++, ESQL

Confidential

Software Engineer

Responsibilities:

  • Developed application using Java/J2EE Technologies, Web services.
  • Provided End to End support for the testing activities during System Testing, UAT.
  • Delivered new and complex high quality solutions to clients using Confidential Products/Tools, J2EE, EJB, Servlets, JSP, HTML, JavaScript and XML.
  • Developed the web applications using Struts, Spring Framework.
  • Applied Spring Framework for transaction Management and Spring JDBC, and for AOP and Dependency Injection.
  • Developed Spring DAO to integrate with Hibernate ORM.
  • Developed Hibernate mapping with spring, Hibernate queries (HQL) and criteria queries.
  • Developed the Web Services using Jersey framework based on REST Architecture, which are used by other Applications
  • Wrote SQL queries and Stored procedures for the application.
  • Wrote Test cases using JUnit.
  • Implemented Log4j framework for logging mechanism.

Tools: & Technology used: J2EE, Struts Framework, Servlets, JSP, log4J, Ant, XML, SOAP, POJO, Web services, SVN, Windows XP/ UNIX, Eclipse, JBOSS, Junit, Python, Java Script, JQuery, HTML, CSS, Spring JDBC, Hibernate, SOAP,REST,WSDL, XSD, Oracle10g, PL/SQL

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