SUMMARY:

• Around 11 years of IT Experience in Analysis, Design, Development, Testing and deployment of Bigdata applications and Multi - Tier distributed applications.
• Hands on experience with Hadoop technologies Hive, Spark,Scala, Map reduce, Hive, Oozie, Sqoopand Hue with Big data Cloudera and Mapr distributions.
• Hands on working with technologies like Core Java, Java Beans, J2EE, Struts, Spring, Spring MVC, Hibernate, JDBC, XML, Web Services - RESTful and Design Patterns.
• Experience in writing Map Reduce programs for report generation.
• Good experience in setting up the Oozie workflows with Map reduce, Hive, Sqoop and Shell script tasks.
• Hands on experience in Hive QL, partitioning and UDF.
• Proficient in developing the RESTful web services using the Jersey and RESTEasy frameworks.
• Experience in developing applications using Spring framework MVC,IOC and Spring Security.
• Having good experience in persistent layer using ORMHibernate HQL queries with MySQL/Oracle Server database.
• Good experience in writing MySQL stored Procedures, Functions, and Cursors.
• Good understanding and experience on AWS cloud services like EC2, SQS, SNS and S3.
• Used RabbitMQ for reliable and asynchronous exchange of messages.
• Strong web scripting languages like JSP, HTML, DHTML, Java Script, AJAX, DWR, DOM, and CSS.
• Good understanding of NoSQL databases like Riak-Basho.
• Hands on experience in creating project distributions with help of Maven and Ant.
• Proficiency in deploying applications on J2EE Application servers like Glassfish, JBoss, Weblogic and WebShpere.
• Experience on different OS like UNIX, Linux, and Windows operating systems.
• Expertise in Performance improvement and Production support for live Applications.
• Good verbal and analytical skills.
• Self-motivated to take independent responsibility and monitoring the team members and guiding them.
• Documenting the project requirements, use cases and design in Wiki and MS Visio
• Experience in NewRelic and JMeter for performance tuning.
• Domain experience on Banking,Education and Retail.
• Strong experience in end to end SDLC models like Agile and Waterfall.
• Worked with Java/J2EE design patterns like Factory, Singleton, Data Access Object and MVC.

TECHNICAL SKILLS:

Operating System: Windows 98/NT/2000, Linux and UNIX.

Languages: Java, XML, Java Script and SQL.

Application/Webservers: Glassfish, JBoss, Apache Tomcat, WAS and Weblogic.

Java Technologies: JDBC, Servlets, AJAX, JSP, Web Services, AWSand EJB.

RDBMS: Oracle,MySQL, DB2and SQL Server.

Frameworks: Spring, Struts, Hibernate, Jersey, RESTEasy.

IDE’s: Eclipse, WSAD.

Other Tools: JUnit, Ant, CVS, SVN, PMDand VSS.

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix AZ

Design and coding

Environment: Java, Hive,Spark SQL, HDFS, Map Reduce, Web Services,SVN and Eclipse

Responsibilities:

• Involved in analysis, design, task breakdown and estimation.
• Developed Hive transformations on Data warehouse.
• Migrated all the Hive transformations to Spark SQL.
• Analyze and debug the transformationsjobs and propose performance improvements.
• Written hive UDF’s for transformations.

Confidential , Phoenix AZ

Design and coding

Environment: Java, Spring, Hibernate, RESTful -Jersy,Rabbit MQ SQS, SNS, JSON, Riak, Splunk, Cloudera 5.7, HDFS, Map Reduce, HIVE, Impala,Sqoop, MySQL,SVN, Eclipse and Glassfish.

Responsibilities:

• Involved in analysis,design, task breakdown and estimation.
• Writing Map Reduce programs and setting up HadoopOozie Jobs for Auto publish report and monitoring.
• Created reports for the BI team using Sqoop import/export data with HDFS and Hive/Impala.
• Developed multiple MapReduce jobs in Java for data cleaning and preprocessing.
• Working on HUE to monitor the OozieJobs workflows and Coordinators. Executing HIVEand HBasequeries to analyze the production issues.
• Good in writing Hive queries for data loading with partitions into with HDFS
• Re running the Oozie workflows if any of the jobs are failed.
• Design and development of RESTful Web Services.
• Implemented Spring IOC for backend Discussions and Format service modules.
• Generating the Syllabus PDF with Jasper Framework and caching the Syllabus PDF in RiakMemoryDB.
• Implemented persistence layer usingHibernate.
• New Relic tracing to discover and pinpoint potential areas of code that involves high response times to improve the Hiveperformance.
• Application Production Support, analyzing the production issues and providing the root cause and solution.
• Proficient in debugging the remote applications with Eclipse.
• Writing JUnit test caseswithMockitoframework.
• Code review and make the code PMD compliant.
• Strictly followed Agile (Scrum) Methodology that includes daily scrum with team, weekly meeting with business analysts and sprint review with clients.
• Working with JIRA for project management and for tracking the bugs.
• Responsible for mentoring the team members.

Confidential, Chicago IL

Design and coding

Environment: Win XP, Java, Eclipse, Spring, EJB3, RestfulWeb Services, MyBatis, Apache Velocity,Silverlight,JBoss,Analytics, JSON, SVN and SQLServer.

Responsibilities:

• Analysing requirements, planning and task breakdown.
• Design and developmentof REST Web Services.
• Building XML SOAP requests using Velocity templates and response handling using DOM parser.
• Implemented Spring IOC and Auto wiring.
• Writing JUnit test cases.
• Code review and make the code PMD compliant.

Confidential

Design and coding

Environment: Win XP, Java, Eclipse, Eclipse Plug-in Development, XML, Web Services, LDAP, Hibernate, Spring, JBoss, SVN and DB2.

Responsibilities:

• Java Eclipse Plug-in Development.
• Code Generation for Components in a Micro-flow.
• Writing JUnit test cases.
• Analysing requirements, planning and task breakdown.
• Used IOC for security property loading.

Confidential Chicago IL

Designand coding

Environment: Win XP, WSAD, Java, JSP, Struts, XML, DAO’s, Java Script, Web Services, LDAP, DB2 and SQL Server.

Responsibilities:

• Involved in design, development and UTC execution for create, edit and loading the reports.
• Rendering the reports in Grid layout
• Implemented Singleton, Service Locatordesign patterns for EJB lookup
• In data access layer implemented Factory and DAO's
• Generating the SOAP requestXML and parsing the responseXML using DOM API
• Used Spring IOC concepts for Business Objects.
• Design, development and UTC execution of Scheduler Reports.
• Worked with LDAP IBM Active Directory and Tivoli server for getting user email ids and user groups.

Confidential 

Team Member

Environment: Win XP, Java, JSP, Struts, EJB, DAO’s, Google Maps, SMS Gateway, Voice XML, Java Script, Eclipse, SQL Server 2000 and Jboss.

Responsibilities:

• Implemented Ajax Service and integrated the application with Google Maps, SMS Gateway, Find Friends (Address Book Import), Voice XML.
• Responsible for writing Struts Action classes, Form Beans and JSPs.
• Responsible for writing EJB’s.
• Developed DAO’s.

Confidential

Team Member

Environment: Win XP, Java, JSP, Java Script, AJAX, DWR, Eclipse, MySql and Jboss.

Responsibilities:

• Responsible for writing DWR classes and JSPs.
• Involved in Vayama Specials and User Profile module.

Confidential

Team Member.

Environment: Win 2000, Java, JSP, Struts, Eclipse, Weblogic and Oracle.

Responsibilities:

• Responsible for writing Struts Action classes, Form Beans and JSPs.
• Developed DAO’s.