SUMMARY:

• Over 9+ years of professional IT experience with analysis, design, development and implementation of large - scale full life cycle technology solutions for multi-national companies in Client-Server, Multi-tier architecture and web-based systems using Web Portal technologies and Java/J2EE technologies.
• Widely experienced in portal development and associated application, software and application integration for complex business processes.
• Well versed in working in a team oriented environment, strictly adhering to deadlines and on-time deliverance.
• Demonstrated strengths in multitasking wherein complete several tasks at a given point of time.
• Adept in client expectation management, understanding of client requirements, team building, and validating technical readiness.
• Good understanding of requirements management, risk analysis and project plans. Possess strong interpersonal skills, highly adept at diplomatically facilitating discussions and negotiations with stakeholders.
• Qualitative hands on experience in Java, J2EE technologies including Oracle ADF,JDBC, Servlets, JSP,JDBC, Struts, EJB 3.0, JAVASCRIPT, Angular JS, Buster JS, Node JS, JavaScript development patterns, Big Data Hadoop-Hive, Map Reduce, XML,XSLTS- X-Path, RAD, JAXB/ JAXP, UNIX SHELL SCRIPTING, Ruby On Rails, ActiveMQ, JMS, Jenkins, Tomcat 6.x, Springs, Hibernate, ActiveMQ, RAD 8, JMS, Apache CXF, SOAP, JAX- RESTFUL-Web services, SOA, UML, JUNIT 4.x, HTML-5, CSS-3, J-Query, IBM SUITE-MDM Products, Oracle 11g,PL / SQL, Web sphere 10.x,JBOSS application Server, Jasper Reports, SOAP-UI, SPRING-JMS, Struts 3.x, JSF, JSTL, Web Services - SOAP,RESTFUL, Message Driven Beans, JMS, JMX, Web sphere TX Mappers.
• Coding for a web portal using front end technologies and graphical user interface design software’s.
• Design and develop user interfaces to Internet/Intranet applications by setting expectations and features priorities throughout development life cycle; determining design methodologies and tool sets; completing programming using languages and software products: designing and conducting tests.
• Integrate applications by designing database architecture and server scripting; studying and establishing connectivity with network systems, search engines, and information servers.
• Create multimedia applications by using authoring tools.
• Complete applications development by coordinating requirements, schedules, and activities; contributing to team meetings; troubleshooting development and production problems across multiple environments and operating platforms.
• Enhance organization reputation by accepting ownership for accomplishing new and different requests: exploring opportunities to add value to Job accomplishments.
• Exposure to multiple OS platforms (Windows/ Mac/ Unix).
• Hands on expertise on Web/Application Servers like Tomcat/Weblogic 10, 11.x /Webspere.
• Ability to work in a complex, deadline-oriented environment.
• Quick learner, excellent team player, ability to meet tight deadlines, work under pressure with confidence and flexible individual equally able to work on my own initiative and as part of a team.
• Integrate applications by designing database architecture and server scripting; studying and establishing connectivity with network systems, search engines, and information servers.
• Create multimedia applications by using authoring tools.
• Complete applications development by coordinating requirements, schedules, and activities; contributing to team meetings; troubleshooting development and production problems across multiple environments and operating platforms.
• Enhance organization reputation by accepting ownership for accomplishing new and different requests: exploring opportunities to add value to Job accomplishments.
• Exposure to multiple OS platforms (Windows/ Mac/ UNIX).
• Hands on expertise on Web/Application Servers like Tomcat/Web logic 10, 11.x /Web sphere.

TECHNICAL SKILLS:

Operating System: Windows 2000/XP, Windows 9.x, Linux

Languages and Technologies: Java - J2EE, Angular JS, Apache CXF, JMS, Jshint,Buster JS,Node JS, Javascript development patterns, Oracle Endeca Commerce 3.1.2, HYBRIS, Maven, Apache Ant, Big Data Hadoop-Hive, MapReduce, JSP, Ruby On Rails, Servlets, MVC Struts, Springs, Spring JMS, XML, XSD, JAXB, RAD 8,SAX,DOM, SOAP-UI, Hibernate, ANT, TIBCO, MAVEN, GIT, SOAP, Web services, SOA, UML, ActiveMQ, XML, XSLT,X-Query, HTML 5, WEBLOGIC, Websphere, Apache Tomcat, Ajax, CSS 3, IBM SUITE-MDM Products, JavaScript, J-query, Web Services, Message Driven Beans, Web sphere TX Mappers, RAD 8, Lync 2013, Informatica ETL Tool, Agile Methodologies, Sonar Qube

Project Management Tool: Agile 9.2.2.6, 9.3, SAP

Database: Oracle8i, 9i, 10G, PL/SQL, IBM DB2.

Version Control Softwares: GIT, CVS, MS-TFS, IBM-Clear Case, MS-VSS

Project Build Tools: Apache - Ant, JENKINS

Web Servers: Tomcat 6.x

Application servers: Web logic 10.x,11g, Web sphere, JBOSS

IDE: Eclipse, My Eclipse, RAD, Net beans

PROFESSIONAL EXPERIENCE:

Confidential, Texas

Senior Java/Hadoop Developer / Lead

Responsibilities:

• Developed multi-tier applications using cutting edge technologies like Core Java, JSP,JDBC, Struts 3.x, JSF, JSTL, Big Data Hadoop, Pig, hive, Map reduce, Zookeeper, KAFKA, STORM, Sqoop, Flume, Ma ven, Apache Ant, GIT, CVS, OOZIE, SVN, PIG, HIVE, SOAP UI, Linux/UNIX, SOAP WebSevices, TIBCO, EJB 3.0, JAVASCRIPT, Angular JS, Buster JS, Node JS, XSLTS- X-Path, RAD, JAXB/ JAXP, UNIX SHELL SCRIPTING, Tomcat 7.x, FLUME, SQOOP, Springs, Hibernate, SOAP, ActiveMQ, Ruby On Rails, SCALA, SPARK(Streaming data), JMS, Jenkins, Python, Spring batch, JAX- RESTFUL-Web services, Apache CXF, JUNIT 4.x, PostgreSQL, HTML-5, CSS-3, J-Query, SOA, SOLACE ADMIN Tool, UML, Oracle 11g,PL / SQL,, TDD, OOP, Lync 2013, Jasper Reports, Web sphere 10.x,JBOSS application Server, Web Services - SOAP, SOAP-UI, RESTFUL, XML, XPATH, XSLT, Message Driven Beans, JMS, JMX, Web sphere TX Mappers.
• Installation of Storm and Kafka on 4 node cluster ;Implemented Kafka Rest API to collect events from front end ; Written Storm topology to accept the events from Kafka producer and emit into Cassandra DB ; Written Junit test cases for Storm Topology
• Designed & Developed NoSql interface for Cassandra and Cloudant with distributed cache support to provide low latency scalable database for internal server cluster
• Developed high availability modules for Hadoop HDFS internal open source contribution viz., HDFS Active Namenode sync up with Standby node, Auto boot up of Standby node on Active Namenode failure, DFS client switching framework between Namenode & Standby node
• Designed multi-clustered architecture for Cassandra using network topology; configured required parameters in Cassandra.yaml file
• Complete hands-on ZOOKEEPER integrated with SVN ; to configure ZKMAP files for DEV,SIT,PROD environments
• Designed a dataflow for the last two projects using NIFI
• Implemented MAPREDUCE algorithms using JAVA and python languages
• Good Understanding of the HDFS and Eco System (Map Reduce, Pig, Hive, Sqoop, Flume, SCALA, NIFI,SPARK, KAFKA
• Experience in developing Map Reduce Programs using Apache Hadoop for analyzing the data.
• Hands - on experience on YARN (MapReduce 2.0) architecture and components such as Resource Manager, Node Manager, Container and Application Master and execution of a MapReduce job.
• Experience in developing Python, PIG Latin & Hive scripts.
• Expertise in all the stages of the Software Development Life Cycle (SDLC) & Agile methodology
• Experience working on Hbase.
• Experience using Sqoop to import data into HDFS from RDBMS and vice-versa.
• Experience on scheduling workflows using Oozie
• Transforming Unstructured data into Structured data using python, Pig & Hive
• Proven ability in leading/coordinating with the people across the globe.
• Application of structured methods to Project Scoping and Planning, risks, issues, schedules and deliverables.
• Good experience on setting up the Hadoop Cluster with various distribution systems
• Good Knowledge on Spark & Scala
• Good experience on RDBMS technologies like Oracle, SQL server and My SQL
• Experience on Streaming technologies like Flume, Kafka and Apache Storm
• Experience implementing software and/or solutions in AWS environment
• Experience on different Hadoop distribution Systems such as: Cloudera & Hortonworks
• Customize Agile PLM to accommodate data from various systems, transform and report.
• Experience in advanced java topics such as Generics, Collections and multi-threading.
• Experience on core Java, Oops, J2SE, Servlets & Hibernate
• Experience in ETL tools
• Knowledge on NoSQL databases including Cassandra, Mongodb
• Excellent interpersonal skills, good experience in interacting with clients with good team player and problem solving skills.

Environment: Java, J2EE (Servlets, JSP1.2), Maven, Big Data Hadoop, Pig, hive, Map reduce, Zookeeper, Sqoop, Flume, Apache Ant, GIT, CVS, SVN, SCALA, SPARK, SOAP UI, Linux/UNIX, TIBCO, SOAP WebSevices, JBOSS application Server, Big Data Hadoop-Hive,MapReduce, Hibernate 4, Spring 3, RAD 7, Web services (SOAP, WSDL), JUnit, Ruby On Rails, ActiveMQ, SOA, UML, JMS, Jenkins, SAX, XML, Struts 3.x, RAD 8, JSF, JSTL, XSLT, SQL, Informix, Oracle, Cassandra, Hadoop, Hive, Pig, Ant, Maven, Spring, Struts, JDBC, JPA, EJB, Weblogic Server 11.x, HTML, CSS, JavaScript, jQuery, AJAX, ANT Hill PRO, log4J.

Confidential, Illinois

Senior Java/Cassandra Developer

Responsibilities:

• Designed and developed the application using Sprint Methodology. Actively participated in the daily SCRUM meetings to produce quality deliverables within time.
• Developed multi-tier applications using cutting edge technologies like Core Java, JSP,JDBC, Struts, EJB 3.0, JAVASCRIPT, Angular JS, Buster JS, Node JS, JavaScript development patterns, Cross browser testing automation/CI XML,XSLTS- X-Path, RAD, JAXB/ JAXP, UNIX SHELL SCRIPTING, Tomcat 6.x, Springs, Hibernate, SOAP, JAX- RESTFUL-Web services, JUNIT 4.x, HTML-5, CSS-3, J-Query, Oracle 11g,PL / SQL, Web sphere 10.x,JBOSS application Server, Web Services - SOAP,RESTFUL, NOSQL Cassandra, Message Driven Beans, JMS, JMX, Web sphere TX Mappers.
• Configured Message resources, action messages, action errors, validation.xml, and validator-rules.xml.
• Dealt with Stored Procedures to consolidate and centralize logic that was originally implemented in applications.
• Understand Cassandra internals. Write different prototypes/data model to map EMC's cloud storage meta data to Cassandra data model and do performance analysis.
• Worked with Hector, Astyanax High level API’s to create Super column Families, perform CRUD Operations and performance tuning wherever necessary.
• Implement APIs using libQtCassandra to talk to Cassandra database. API functions to insert, search, delete and update (key,value).
• Dealt with Hibernate and JPA for backend connectivity in web services and used PL/SQL in retrieving data.
• Worked extensively on Unix Boxes and developed automated UNIX Shell scripts for all environments.
• Dealt with Message driven beans-Series in creating a queue manager, creating a queue, creating a channel, putting a message onto a queue, and getting a message from a queue using JMS, Message Driven Beans and Web sphere TX Mappers.
• Designed and developed the application using Sprint Methodology.Actively participated in the daily SCRUM meetings to produce quality deliverables within time.
• Developed User Interface using JSP and AJAX based design.
• Used JSP, HTML, CSS, JSTL and JavaScript to construct the UI layer for the application.
• Wrote Script for AJAX implementations in the website and created components, used JQuery for client side form validations and used JSON for creating objects in JavaScript.
• Involved in implementing the DAO pattern for database connectivity using JDBC.
• Created workarounds with thrive in a sense-of-urgency environment, leverage best practices, and most importantly, innovate through any problem with a can-do attitude.
• Used Eclipse as the IDE for developing, testing and debugging the application which was deployed on the Web sphere Application Server.
• Used Version Manager (PVCS) for creating the project structure and version controlling.
• Used Log4j components for logging. Perform daily monitoring of log files and resolve issues.
• Used PL/SQL Developer for interacting with the Oracle11g Database for executing the queries using ETL tool like Informatica and NoSQL Databases like Cassandra.
• Used Quality Center for tracking of all the defects in the various environments.
• Coordinated with the infrastructure team for moving the enhancements and bug fixes into different environments like development, stage and production.
• Used JAXP (DOM, XSLT), XSD for XML data generation and presentation.

Environment: Java, J2EE (Servlets, JSP1.2), JBOSS application Server, Hibernate 4, Spring 3, RAD 7, Web services (SOAP, WSDL), JUnit, SAX, XML, XSLT, SQL, Informix, Oracle, Cassandra, Hadoop, Hive, Pig, Ant, Maven, Spring, Struts, JDBC, JPA, EJB, Weblogic Server 11.x, HTML, CSS, JavaScript, jQuery, AJAX, ANT Hill PRO, log4J

Confidential, Jersey City, NJ

Java/J2EE Developer

Responsibilities:

• Responsible in gathering requirements from users and designing Use cases, Technical Design and Implementation.
• Developed multi-tier applications using cutting edge technologies like Core Java, J2EE, SQL, Informix, Oracle, Ant, Maven, Spring, Maven, Oracle Endeca Commerce 3.1.2, HYBRIS, Apache Ant, GIT, CVS, SVN, SOAP UI, Linux/UNIX, SOAP WebSevices, Big Data Hadoop, Pig, hive, Map reduce, Zookeeper, Sqoop, Flume, Ruby On Rails, PostgreSQL, Struts, JDBC, JPA, EJB, Weblogic, Spring JMS, XML, TIBCO, XSD, JAXB, IBM SUITE-MDM Products, SAX,DOM, SOAP-UI, Struts 3.x, JSF, JSTL, Hibernate, ANT, MAVEN, SOA, UML, ActiveMQ, JMS, GIT, Jenkins, SOAP, Web services, XML, XSLT,X-Query, HTML 5, WEBLOGIC, Websphere, Apache Tomcat, Agile Methodologies, HTML, CSS, JavaScript, jQuery, Lync 2013, MS-Office Applications, AJAX, Eclipse, CVS, GIT and UNIX scripting and NoSQL Databases like Cassandra.
• Extensively worked on Spring and Hibernate Frameworks.
• Worked on Front Controller, Dependency Injection, MVC, Data Access Objects and other J2EE core patterns.
• Used RAD as an IDE for developing application.
• Implemented complex MAPREDUCE algorithms using JAVA languages
• Used internal tool to design dataflow with Cassandra/MONGODB NOSQL databases
• Dealt with Stored Procedures to consolidate and centralize logic that was originally implemented in applications
• Developed the entire front end screens using Ajax, JSP, JSP Tag Libraries, CSS, Html and JavaScript..
• Used JavaScript and JQuery for front end validations and functionalities.
• Contributed significantly in applying the MVC Design pattern using Spring.
• Developed EJB’s from the scratch for communicating with remote applications.
• Implemented action Form classes for data transfer and server side data validation.
• Performed Unit Testing (JUnit), System Testing and Integration Testing.
• Involved in Maintenance and Bug Fixing.
• Actively participated in design and technical discussions.
• Involved Web Service Design and Development.
• Developed web services using SOAP and WSDL.
• Application deployment is done in Web Sphere 8.5, JBoss servers.
• Involved in the complete software development life cycle.
• Involved in unit testing and user documentation and used Log4j for creating the logs.

Environment: Java, J2EE (Servlets, JSP1.2), Apache Ant, Linux/UNIX, SOAP WebSevices, Hibernate 4, Spring 3, RAD 7, Web services (SOAP, WSDL), Big Data Hadoop, Pig, hive, Map reduce, Zookeeper, Sqoop, Flume, JUnit, SAX, XML, XSLT, HTML, JavaScript, JQuery, AJAX, CSS, Oracle9i/10g, SQL, Maven, TOAD, SVN, JDBC, GIT, CVS, SVN, SOAP UI, ANT Hill PRO, log4J, Windows 7.

Confidential, Tallahassee, FL

Java/J2EE Developer

Responsibilities:

• Understood the Entire AMS based application. Involved in requirement gathering, Design, Development, Programming, Deployment for AMS based application.
• Involved in Converting the Functional Design Document to Technical Design Document.
• Converted the HTML Pages to JSF Tag Specific Pages.
• Developed JSPs and managed beans using JSF.
• Developed Service layer using JDBC and injected the same into JSF managed bean.
• Implemented the JSF framework by writing Faces-config.xml and Form-Beans in the process of development.
• Implemented JSF datatable, dataScroller components to display search results and implemented the page navigation functionality in all the search screens.
• Implemented Customized and Hibernate validations in all the JSP's.
• Developed faces-config.xmls and injected the Service beans into faces-config.xml.
• Involved in writing from Services-Layer to DAO’s Layer.
• Developed JSF Validators and Converters for calendar events monthly/weekly/daily date range validation, not null, length validations.
• Developed JSF navigation rules for Event create/edit/update/delete/view actions.
• Created Action Listeners and Action Events for all the JSF related Pages to handle all type of Actions.
• Involved in implementation of JSF MVC framework and developed DAO and Service layers.
• Configured JDBC Connection Pools in Web logic server for Oracle database, configured web.xml for various filter classes, listener classes and context parameters.

Environment: Java 1.5, JSF 2.0, Maven, Apache Ant, GIT, CVS, SVN, SOAP UI, Linux/UNIX, SOAP WebSevices, Eclipse 3.3.2, Tomcat 5.5, Web Services, SOAP, Maven, Web logic 9.2, Oracle 9i, Oracle SQL Developer 3.0, HTML,XML, Win SCP Client.

Confidential, Palo Alto

Java/J2EE Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development.
• Developed and designed the front end using HTML, CSS and JavaScript and Ajax.
• Developed the entire application implementing MVC Architecture integrating Hibernate and Spring frameworks.
• Involved in development of presentation layer using JSP and Servlets with Development tool Eclipse IDE.
• Worked on development of Hibernate, including mapping files, configuration file and classes to interact with the database.
• Used XML/XSL and Parsing using both SAX and DOM parsers.
• Implemented web services with Apache Axis.
• Designed and developed EJBs to handle business logic and store persistent data.
• Planned and implemented various SQL, Stored Procedure, and triggers.
• Written JUnit Test cases for performing unit testing.
• Responsible for testing, debugging, bug fixing and documentation of the system.
• Application deployment is done in Tomcat server.

Environment: Java, Servlets, Hibernate 3.2, JPA 2.0, Spring 2.5, Ajax, Oracle 10g, JMS, Eclipse 3.4, Apache Ant, Web Services, Apache Axis 2.0, Web Sphere 6.1, JavaScript, HTML, CSS, XML, Clear-Case.

Confidential, San Dimas, CA

Java/J2EE Developer

Responsibilities:

• Responsible for writing the Design Specifications for the user interfaces and the business logic layers.
• Contributed significantly in applying the MVC Design pattern using spring.
• Developed Helper Classes and Value Objects (java beans).
• Developed web application with Spring framework.
• Developed Hibernate Components which encapsulate the workflow logic using Websphere.
• Contributed significantly in the Optimization of the views to be used by the components.
• Developed separate module for administering the site, which generate reports for the management using Crystal Reports.
• Designed and developed File Retrieval component using Web services (SOAP and WSDL).
• Developed logging module-using Log4J to create log files to debug as well as trace application.
• Implementing quality related procedures & ensuring compliance to all quality standards.
• Reviewed the code and deployed the applications to Websphere application server.
• Extensively worked on Unit and Integration Testing.
• Worked on Unix Shell scripts to provide integration support.
• Worked as the production support member resolving the production issues ticketed by end users.

Environment: Spring, Hibernate, JSP, Web Services, XML, XSLT, RAD 6.0 UNIX, Oracle 10g, HTML, Websphere, JavaScript, AJAX, CSS.

Confidential

Java/J2EE Developer

Responsibilities:

• GUI development using HTML, XML, JSP, Servlets, JavaScript with the help of MVC Architecture.
• Worked extensively on the JSPs using MVC architecture.
• Responsible for writing the Design Specifications for the user interfaces and the business logic layers.
• Front-end validations in JavaScript.
• Analyzed user tasks and develop task models and usage scenarios (UML).
• Prepared exhaustive test cases to comprehensively test functionality and code.

Environment: J2EE, HTML, JavaScript, Servlets, JSP, XML, EJB, Oracle 8i, Web Tomcat Application Server, SQL and Oracle.

Confidential

Java Developer

Responsibilities:

• Access to this site is provided for authorized users.
• Coding using Java, JSP, and HTML.
• Developed front end validations using JavaScript and developed design and layouts of JSPs and custom taglibs for all JSPs.
• Developed the Data Exchange Objects and integrated with the Presentation layer to exchange the business data (fetches the data from oracle database) from the Pinnacle user interfaces (Presentation Layer).

Environment: Java, J2EE, Tomcat, JSP and Struts Framework, tiles, custom taglibs, Eclipse, SQL and Oracle.