CAREER SUMMARY:

• 12 Years of extensive IT experience in Analysis, Architecture, Design, Development, Testing, Maintenance, and User training of software applications which including 3+ years of experience working on Apache Hadoop ecosystem and Apache Spark and over 10+ Years of experience in Java/J2EE.
• Hands on experience in developing and deploying enterprise based applications using major components in Hadoop ecosystem such as Hadoop 2.x, YARN, Hive, Pig, Map Reduce, HBase, Flume, Sqoop, Spark, Scala, Kafka, Oozie.
• Extending Hive and Pig core functionality by writing custom UDFs in Java.
• Good knowledge in handling messaging services using Apache Kafka.
• Experienced with the Spark improving the performance and optimization of the existing algorithms in Hadoop using Spark Context, Spark - SQL, Data Frame, and Pair RDD's.
• Expertise in Object oriented analysis and design (OOAD) using Java/J2EE Design Patterns, Unified Modeling Language (UML) and good understanding of Software Development Lifecycle (SDLC) and Service Oriented Architecture (SOA).
• Extensive experience in Spring Core, Spring IOC, Spring MVC, Spring Web Flow, Spring Batch, Spring Security, Spring Boot, Hibernate framework, iBatis and AJAX.
• Experience in developing and consuming Webservices (SOAP and REST based), WSDL, SPRING WS, UDDI, JAXB and SoapUI.
• Expertise in writing client side validations using Ajax, JavaScript and Struts validation framework, Tiles, Tag Libraries, JQuery, JSON, HTML, DHTML, CSS.
• Extensive experience in Java/J2EE programming technologies like Java, JDBC, Servlets, JSP, JSTL, JMS.
• Expertise in XML technologies such as XSD, DTD, XSLT, XPATH, DOM, SAX, JAXP, JAXB and XML schemas.
• Experience in writing ANT scripts, Apache MAVEN and Log4J and JUnit for unit testing.
• Extensive experience in developing Use Cases, Activity Diagrams, Sequence Diagrams and Class Diagrams using Visio.
• Sun Certified Java Programmer (SCJP 1.5).
• Experience working in environments using Agile (SCRUM) and Test Driven development methodologies.
• Excellent team player with good communication, people and leadership skills.

PROFESSIONAL EXPERIENCE:

Confidential

Responsibilities:

• Responsible for building scalable distributed data solutions using Hadoop Eco system and Spark.
• Involved in the process of data acquisition, data pre-processing various types of source data using Streamsets.
• Responsible for design & development of Spark SQL Scripts using Scala/Java based on Functional Specifications.
• Performed real-time analysis of the incoming data using Kafka consumer API, Kafka topics, Spark Streaming utilizing Scala.
• Design and manage the big data ware house in Hive.
• Hands on experience in Spark and Spark Streaming creating RDD's, applying operations -Transformation and Actions.
• Importing and exporting data various RDBMS into HDFS and HIVE using Sqoop.
• Experience on working with different data types like FLATFILES, ORC, AVRO, JSON.
• Involved in story-driven agile development methodology and actively participated in daily scrum meetings.

Technologies: Java v1.8, Linux, Cloudera, HDFS, Scala, Spark-Streaming, Spark SQL, Apache Kafka, Hive, Pig, Sqoop and Shell Script.

Confidential

Responsibilities:

• Involved in planning, design and development and retrospective meetings following agile methodology.
• Responsible for design and development of the CVENT data import batch, member and non-member online/offline check-in, Call Center Event Search, Call Center member registration modules for call center.
• Involved in the design and development of the batch cron job that runs every day to import the data from CVENT to Confidential database. Created Single page applications using Angular JS.
• Responsible for developing the event search and member registration screens for Confidential on-call center using Spring MVC and Hibernate.
• Worked on importing data from various sources and performed transformations using MapReduce, Hive to load data into HDFS.
• Developed Pig Scripts, Pig UDFs and Hive Scripts, Hive UDFs to load data files into Hadoop.
• Extracted the data from Relational Database into HDFS using Sqoop.

Technologies: Core Java (JDK) v1.8, Spring-MVC, Cloudera, Map Reduce, HDFS, Hive, Pig, SQOOP, Big Data, JSP, JavaScript, Junit, Hibernate ORM, XML, XSD, XSLT, SOAPUI, Eclipse based STS, Postman, Web Services, RESTfull web service, CVS, log4j, Oracle 11g, AngularJS, JMS - Active-MQ, Jenkins, Maven Build, Tomcat, DBVisualizer and Linux.

Confidential

Technologies: Core Java (JDK) v1.7, Spring-webflow 2.0, JSP, JavaScript, iBatis, XML, XSD, XSLT, SOAPUI, Web Services, RESTfull web service, CVS, log4j, Oracle 11g, UML, jQuery, Jenkins, Ant Build, Tomcat 7.0.1 and DBVisualizer.

Responsibilities:

• Involved in analysis, design and development of Confidential Tax-Aide and DSP applications.
• Designed and coded application components in an Agile environment utilizing a test driven development approach and involved in daily scrum.
• Involved in design and development of tax-aide locator program of Confidential of Spring-WS.
• Automation of script to build and deploy using Jenkins. Used iBatis for Object Relation Mapping (ORM).
• Used REST web service to get the opportunity details from DSO.

Confidential

Technologies: Core Java (JDK) v1.7, Spring, Hibernate, Open XMA, JMS, framework, XML, XSD, XSLT, JiBX, JavaScript, Ajax JSON, jQuery, GitHub, Oracle 10g, Maven Build, Web logic 10.0, JMS, DBVisualizer, JProfile.

Responsibilities:

• Designed and developed the application using spring and Open XMA.
• Followed the AGILE methodology in developing the Confidential Project as per the client requirements.
• Handled Java multi-threading part in back-end component and taken care of Java multi-threading in common java classes.
• Implementation of AJAX, JSON, and JQuery for create interactive Web Applications.
• Wrote JUnit test cases for unit, integration, and functional tests, run automatically by Hudson/Jenkins in the builds triggered by each push to Git.
• Created and maintained the Maven project structure and pom file changes.
• Created Spring Restful Web services consuming and producing JSON.
• Implemented messaging system using JMS.

Confidential

Technologies: Core Java (JDK) v1.6, CORBA, Linux, IBM Rationale’s Clear Case, JIRA, BuildForge, Xml, XSD, XSLT, soap UI, Spring, JUnit, custom testing framework, Maven, JProfiler.

Responsibilities:

• Co-ordination with Business team to understand the system requirements and specifications.
• Discussion with onsite team for requirements clarifications.
• Prepared Maven build scripts for CEBS application and involved in application deployment process.
• Good experience applying the performance optimization techniques and involved in analyzing the heap dumps and Thread dumps in fixing the memory leaks and deadlocks. Good knowledge in using the profiler tools like JProfiler.
• Involved in Defects management including Analysis, Fixing and documentation of defects using JIRA tool.
• Extensively worked on Test Driven Development and Agile Development

Confidential

Technologies: Window XP using, Agency Port Framework, ESB Mediation framework, Web Services using Apache Axis 1.2, JSON, JUnit, Clear Case, XSL, XSD, XSLT, XPATH, JDOM, BigFacelessOrg (BFO) framework, JAXP, WebSphere App Server 6.0, Anthill Pro, IBM DB2 UDB 8.0, Eclipse 3.4, JDBC, JMS, MB 6.0, MQ 6.0,ICC, LEAF, xFIT, JQuery.

Responsibilities:

• Integrating Agent Management Systems with Confidential Systems (Agency portal).
• Coordinating the specifications of the design to completion with onsite & offshore team.
• Wrote JUnit test cases for unit, integration, and functional tests, run automatically by Anthill Pro in the builds triggered by each push to IBM ClearCase.
• Implemented AJAX calls using JQuery.
• Developed the Listeners and Handlers for the Different JMS messages.
• Technology Consultation to Client by proposing POCs.
• Programmed complex Insurance calculations using J2EE.

Confidential

Technologies: Core Java (JDK) v1.5, Servlets, JSP, JSTL, Spring(Portlets), Hibernate, Mockito, Selenium, Oracle 10g, Web Services, XHTML, XML, JavaScript, Hudson and Glassfish Server V2.1.

Responsibilities:

• Developed presentation layer by using JSP and JSTL. Developed Controllers using Springs Portlet Framework.
• Used in Spring Inversion of Control and Spring ORM. Developed Client side validations by using Java Script.
• Involved in development of Web Services using Apache-Axis.
• Developed Services and DAO classes to access data through Hibernate.
• Used SVN repository for version control. Implementing Themes and Skins by using Glassfish Portal Server.
• Used Rally Defects Tracking Tool. Written JUnit test class using Mockito as part of Unit Testing.
• Written Integration testing for pages using Selenium Framework.

Confidential

Technologies: Java, J2EE, Servlets, JSP, Spring 2.0, Hibernate, Oracle 9i and WebSphere.

Responsibilities:

• Analysis of the requirements received from the Client. Understanding the existing system.
• Designed and developed the application using Spring and Hibernate. Used Hibernate 3.0 (OR-Mapper) for interacting with database
• Set up the environment for WSAD 6.1 and configured the server settings.
• Created all Hibernate POJOs to map to the database and handled all CRUD operations.
• Used log4j for logging across the project and used Ant as building tool for the project.
• Developed client side validations using JavaScript. Used Mercury Quality Center Defects Tracking Tool.
• Preparing Unit Test Cases and executing it.

Confidential

Technologies: Java, J2EE, Servlets, JSP, Spring 2.0, iBATIS 2.1.7, Oracle 9i and JBOSS.

Responsibilities:

• Responsible for planning of the deliverables of the Admin Module, distributing the task among the team members, helping them in fixing the critical Issues.
• Involved in developing the Application using Spring framework and iBATIS.
• Unit testing and fixed the Issues raised in the SIT & UAT Phase.
• Developed JUnit Test cases for the developed modules.