PROFESSIONAL SUMMARY:

• Having 10+ years experience using object oriented design methodologies (OOD), experience in core Java and allied technologies.
• 3+ years of experience in development of Big Data projects using Hadoop, HDFS, Map Reduce, Hive, Sqoop, Cassandra, MDM implementation in hadoop and Cassandra, Elastic search.
• Experience in architecting & developing applications using Java & J2EE technologies and Big data solutions.
• Extensive Knowledge in Java, J2ee, Servlets, JSP, JDBC, and EJB/MDB, JMS, Struts and spring Framework and web services development in Telecom domain.
• Worked on Web logic, Tomcat Web Server for Development and Deployment of the Java/J2EE Applications.
• Good experience in Spring & Hibernate and Expertise in developing Java Beans.
• Working knowledge of Web logic server clustering.
• Proficient in various web based technologies like HTML, XML, XSLT, and JavaScript.
• Expertise in unit testing using JUnit.
• Experience in error logging and debugging using Log4J.
• Strong knowledge in creating/reviewing of data models that are created in RDBMS like Oracle 10g, MySQL databases.
• Worked with operating systems like Linux, UNIX, Solaris, and Windows 98/NT/2000/XP/Vista/7.
• Experience in working with versioning tools like Git, CVS & Clear Case.
• Goal oriented, organized, team player with good interpersonal skills; thrives well within group environment as well as individually.
• Strong business and application analysis skills with excellent communication and professional abilities. working with agile tools Kanban Flow, Jira, Rally.

TECHNICAL SKILLS:

Languages: Java, Java script, Python, SQL, XML, HTML, Scala

J2EE Technologies: Servlets/JSP, Java Beans, JDBC, JMS, EJB, web services, GWT

Databases: Oracle 10g, DB2, TOAD

Big data Technologies: Hadoop, Hive, map reduce, Solr, Spark, Kafka, Sqoop, Elastic search

No SQL: Cassandra, Hbase

EAI Technologies: Oracle SOA, BPEL, Tibco BW, Tibco EMS, Apache Camel

COTS: Oracle OSM 7.2.2

Application Servers: Tomcat 6, Weblogic 12.x, Jboss6.x, wildly

Frame works: Struts1.2, Spring, Hibernate, Axis2, Jax - WS

Operating Systems: Linux, UNIX, Windows 98/NT/2000/XP/Vista

Java IDE: Eclipse, EditPlus, and JDeveloper

Configuration tools: Git, VSS, Clear Case, StarTeam, SVN

Design Tools: Microsoft Visio

Testing Tools: SOAPUI

PROFESSIONAL EXPERIENCE:

Confidential

Java/J2ee-Hadoop Developer/Lead

Responsibilities:

• Implemented Web service calls for Different data integrations. Implemented of aggregation solution using Spark, Elastic search and Cassandra. worked as Sr.Developer for Big data, Java/J2ee solutions.
• Developed application using JAVA, J2EE, JSP, spring.
• Involved in requirement and design activates.
• Involved writing DAO call for Cassandra.
• Designed and developed Web Services REST.
• Reading messages from Kafka queue using spark streaming.
• Involved in system, manual testing while integrating with different data integration projects.
• Involved in build and deployment activities.
• Involved in Bug fixing activities as part of CR s from customer.
• Written hive quires and shell scripts for data integration. Worked as a member of the Big Data team for deliverables like design, construction, unit testing and deployment.
• Reading historical data of hive tables using Spark.
• Involved in writing shell scripts for executing hive queries, loading data files into Hive tables.
• Involved in gathering requirement and design.
• Initial setup to receive data from external source.
• Analysis and design on production views.
• Involved in writing various user defined functions as per the requirements.
• Translation of functional and technical requirements into detailed architecture and design
• Responsible to manage data coming from different sources.
• Experienced in analyzing data with Hive, Spark using Scala.
• Real time data processing using Kafka - Spark integration (with Scala).
• Creating Elastic index for our data access.
• Providing different indexes in Elastic search based on the requirement.

Environnent: Java, J2EE, JSP, Spring, Hadoop, Hive, Linux, DataStax cassandra UNIX, Solaris, Tomcat6, log4j, Eclipse, Spark, Scala, SVN,Db2,JAXB, MQ, Kafka, Elasticsearch.

Confidential

Java/J2ee-Hadoop Developer/Lead

Responsibilities:

• Implemented Web service calls for Different integrations.
• Implemented of MDM solution using hadoop and cassandra. worked as architect, Tech lead & Developer for Big data, Java/J2ee solutions.
• Developed application using JAVA, J2EE, JSP, spring.
• Involved in requirement and design activates.
• Involved writing DAO call for Cassandra.
• Designed and developed Web Services(SAOP/REST) using Axis2.
• Involved in jobs scheduling using Maestro scheduler.
• Involved in system, manual testing while integrating with different data integration projects.
• Involved in build and deployment activities.
• Involved in Bug fixing activities as part of CR s from customer.
• Written hive quires and shell scripts for data integration. Worked as a member of the Big Data team for deliverables like design, construction, unit testing and deployment.
• Creating Hive tables.
• Reading historical data of hive tables using Spark.
• Loading data from large data files into Hive tables.
• Involved in writing shell scripts for executing hive queries.
• Involved in gathering requirement and design.
• Initial setup to receive data from external source.
• Designed and developed Hive job to merge incremental file.
• Analysis and design on production views.
• Involved in writing Map/Reduce jobs using java.
• Involved in writing various user defined functions as per the requirements.
• Translation of functional and technical requirements into detailed architecture and design
• Responsible to manage data coming from different sources.
• Experienced in analyzing data with Hive, Spark using Scala.
• Real time data processing using Kafka - Spark integration (with Scala).
• Creating Elastic index for our data access.
• Providing different indexes in Elastic search based on the requirement.
• Responsible for operational support of Production system

Environnent: Java, J2EE, JSP, Spring, Hibernate, Hadoop, Hive, Linux, DataStax cassandra UNIX, Solaris, Tomcat6, log4j, Eclipse, Spark, Scala, SVN,Db2,JAXB, MQ, kafka, Elasticsearch.

Confidential

Java/J2ee-Big data Developer/Lead

Responsibilities:

• Implemented Web service calls for Different integrations. worked as Developer for Big data, Java/J2ee solutions.
• Involved in requirement and design activates.
• Involved in writing code enhancements of MyAtt application using Spring DAO using Hibernate.
• Done a POC using spring boot for the MyAtt application.
• Involved in defect fixing and enhancements using backend Myatt appliaction .
• Involved writing DAO call for Cassandra. Analysis, Designing, Implementation & Maintenance of the java applications for Application solutions.
• Developed java API s to load data into multiple Cassandra nodes from source systems like TLG and DTI feed data.
• Involved code migration from Kundera API to Odysseus API end to end development.
• Involved code deployment process into development server through SWM deployment process.
• Involved code build and deployment process end - to - end and prepared QC instruction for code deployment to QC servers.
• Involved in writing XML Schema Definition (xsd), design and java object mapping using JAXB.
• Implemented code to start the initial and delta load listeners to consume the solace messages from GDDN application and loading data into Cassandra nodes.
• Implemented the Cassandra script for creating key-spaces and column families.
• White box testing was done by using JUnit API.
• Wrote the code for bulk data loading into Cassandra nodes.
• Developed java test client for multiple applications for testing with all API's doing crud operations on Cassandra nodes.
• Works with Release team and done hot fixes and updating release notes for every deployment.
• Designed and developed SOAP, REST Web Services using Axis2.
• Use spring MVC framework for UI publishing data from database.
• Involved in system, manual testing while integrating with different data integration projects.
• Involved in build and deployment activities.
• Involved in Bug fixing activities as part of CR s from customer.
• Written hive quires and shell scripts for data integration. Worked as a member of the Big Data team for deliverables like design, construction, unit testing and deployment.
• Developed application using JAVA, J2EE, JSP, spring.
• Initial setup to receive data from external source.
• Designed and developed Hive job to merge incremental file.
• Analysis and design on production views.
• Involved in writing Map/Reduce jobs using java.
• Involved in writing various user defined functions as per the requirements.
• Translation of functional and technical requirements into detailed architecture and design.
• Responsible to manage data coming from different sources.
• Importing and exporting data into HDFS and Hive using Sqoop.
• Experienced in analyzing data with Hive.
• Responsible for operational support of Production system

Environment: Java, J2EE, JSP, Spring, Hibernante, Hadoop, Hive, Linux, UNIX, Tomcat6, log4j, Eclipse, Git, Maven, GWT, JAXB, Cassandra.

Confidential

Java/J2ee-Hadoop Developer/Lead

Responsibilities:

• Implemented Web service calls for Different integrations. Implemented of MDM solution using hadoop and cassandra. worked as architect, Tech lead & Developer for Big data, Java/J2ee solutions.
• Developed application using JAVA, J2EE, JSP, spring.
• Involved in requirement and design activates.
• Involved writing DAO call for Cassandra.
• Worked for Solr search logic for Cassandra.
• Designed and developed Web Services using Axis2.
• Use spring MVC framework for UI publishing data from database.
• Involved in jobs scheduling using Maestro scheduler.
• Involved in system, manual testing while integrating with different data integration projects.
• Involved in build and deployment activities.
• Involved in Bug fixing activities as part of CR s from customer.
• Written hive quires and shell scripts for data integration. Worked as a member of the Big Data team for deliverables like design, construction, unit testing and deployment.
• Creating Hive tables.
• Loading data from large data files into Hive tables.
• Involved in writing shell scripts for executing hive queries.
• Involved in gathering requirement and design.
• Initial setup to receive data from external source.
• Designed and developed Hive job to merge incremental file.
• Analysis and design on production views.
• Involved in writing Map/Reduce jobs using java.
• Involved in writing various user defined functions as per the requirements.
• Translation of functional and technical requirements into detailed architecture and design
• Responsible to manage data coming from different sources.
• Importing and exporting data into HDFS and Hive using Sqoop.
• Experienced in analyzing data with Hive.
• Experienced in defining job flows for Maestro Scheduling.
• Responsible for operational support of Production system

Environment: Java, J2EE, JSP, Spring,Hibernate, Hadoop, Hive, Linux, DataStax cassandra UNIX, Solaris, Tomcat6, log4j, Eclipse, SVN,DB2,MQ, JaxB, JAX-WS, sCassandra.

Confidential

Java/J2ee Developer - Tech Lead

Responsibilities:

• Worked in web service development using axis2 as part of adaptor development. Involved in development of MDB, EJB as a part of business logic.
• Involved application development in all three regions.
• Integrated and implemented a solution using Oracle OSM.
• Deployment in web logic 10.3 and testing.
• Involved in system, manual testing.
• Involved in build and deployment activities.
• Involved in Bug fixing activities.
• Message routing using camel configurations.
• Endpoint invocation, routing, error handling using camel configurations.
• Used Spring MVC as the framework for Web tier.
• Implemented Junit test cases as part of project testing.
• Involved in HTTP security implementation for adaptor application.
• Involved in development of stub web services (dummy) for covering unit testing.
• Managing team of 3 people with deliverable activates.
• Worked in POC development using OSB, FUSE ESB.
• Involved in weblogic clusting configurations in development environment, QE environment.

Environment: Java/J2EE (MDB, EJB), spring, Linux, UNIX, Solaris, Weblogic10.3, Oracle11g, Eclipse (Design studio), axis2, SOAP UI, Oracle BPEL, Oracle OSM, Apache camel.

Confidential

Java/J2ee Developer - Tech Lead

Responsibilities:

• Worked in JSP development work as part of UI.
• Involved in various new enhancements in application development.
• Deployment in web logic 10.3 and testing.
• Involved in system testing, manual with.
• Involved in Bug fixing activities.
• Endpoint invocation, routing, error handling using camel configurations.
• Bug fixed, requirement changes in Camel configuartions
• Data Operations are performed using Hibernate.
• Managing team of 3 people with deliverable activates.
• Involved in defect fixing in server side code for DB connectivity by using Hibernate.
• Involved in EAI integration with TIBCO EMS.

Environment: Java/J2EE, Linux, Hibernate, spring, Weblogic10.3, Oracle11g, Eclipse (Ganymede), HP QC, TIBCO BW, TIBCO EMS, Apache Camel.

Confidential

Java/J2ee Developer

Responsibilities:

• Involved in developing JSPs, Action beans using Stripes framework
• Worked in development of IBatis files for SQL implementations.
• Worked in JSP development work as part of UI.
• Generated database schema using Ibatis auto generate feature.
• Deployment in web logic 10.3 and testing.
• Involved in system testing, manual with, SOAPUI.
• Worked in Web services development.
• Involved in Development of Blackberry version JSPs for WFM application.
• Involved in Bug fixing activities.

Environment: Java/J2EE, spring, Ibatis, Stripes, Windows, Linux, UNIX, Weblogic10.3, Oracle11g, TOAD, IBatis, Eclipse (Ganymede), SOAPUI, HP QC.

Confidential

Java/J2ee Developer

Responsibilities:

• Developing MOCK UI based on SRS.
• Worked in LLD Design documents.
• Worked in development of various spring controllers as part of application development.
• Worked in development of Service Layer implementation.
• Worked in development of Spring DAO layer (JDBC) implementation.
• Worked in JSP development work as part of UI.
• Deployment in web logic 9.2mp1, 9.2mp2, 10.3 and testing.
• Installation of HP SOA Policy Enforcer, integration and testing with SGF.
• Involved in system testing, manual with, SOAPUI.

Environment: Java/J2EE,Spring,Windows,Linux,Unix,Weblogic10.3,Oracle11g,LDAP,OAM,Ant,TOAD,Eclipse(Ganymede),SOAPUI,Systinet, HP SOA Policy Enforcer, Viso

Confidential

Java/J2ee Developer

Responsibilities:

• Developing an API derived in LLD.
• Worked with XML, XSLT transformation.
• Developing JUnit Test Cases for all implemented API.
• Testing an API with JUnit test cases.
• Individual Contributor for specific deliverables

Environment: Java/J2EE, Windows, Linux, Weblogic10.3, Oracle11g, LDAP, OAM, Ant, TOAD, Eclipse, Systinet, HP SOA Policy Enforcer, JUnit.

Confidential

Java/J2ee Developer

Responsibilities:

• Re-engineering the existing code base to support new functionalities.
• Performance Enhancements for certain pre-existing functionalities.
• Design and development of change-requests.
• Individual Contributor for specific deliverables.
• Developing - JSP pages, SQL queries, and workflows.
• Performance Enhancements for certain existing functionalities.
• Testing and Integration.

Environment: Java/J2EE,XML,JSP,Junit,Windows,Unix,HPSA,Oracle9i,TOAD,Jboss.

Confidential

Java/J2ee Developer

Responsibilities:

• Re-engineering the existing code base on requirement.
• Enhancements for certain pre-existing functionalities.
• Design and development of new requirements.
• Individual Contributor for specific deliverables.
• Developing - JSP pages, Action classes, SQL queries, and workflows.
• Testing and Integration.
• Testing in windows, UNIX, Solaris environment.

Environment: Java/J2EE,Struts,Windows,Unix,Solaris,HPSA,Oracle9i,TOAD,Jboss,XMLunit.