SUMMARY

• More than eleven years of professional experience in IT and enterprise application development in multiple industries including hands on experience in big data ecosystem related technologies.

• 2 years of comprehensive experience as a Hadoop Developer in Insurance and Health sectors
• Experience in installation, configuration, supporting and monitoring Hadoop clusters using Apache, Cloudera distributions and AWS.
• Well versed in working with MapReduce programs using Apache Hadoop for working with Big Data.
• Hands on experience on major components in Hadoop Ecosystem like HDFS, HIVE, PIG, Hbase, Zookeeper, Sqoop, Oozie, Flume and Avro.
• Experience in importing and exporting the data using Sqoop from HDFS to Relational Database systems/mainframe and vice-versa.
• Experience in streaming real-time data using Flume into HDFS.
• Hands on experience with data acquisition into Hadoop cluster using Sqoop.
• Expertise in writing Hadoop Jobs for analyzing data using Hive.
• Extending Hive and Pig core functionality by writing custom UDFs.
• Worked on NoSQL databases including HBase, Cassandra and MongoDB.
• Extensive experience in design and development of enterprise applications using J2EE technologies, JDBC, JPA, JAXP, JAXB.
• Experienced in J2EE design patterns, MVC, Struts, Spring, Hibernate, and software architectural patterns.
• Java Web services experience using SOAP, WSDL, Axis2 and UDDI in Service Oriented Architecture SOA and in Restful Web services.
• Extensive knowledge of Web technologies like AJAX, JSON structures, Jscript, XML, XSD, XSLT and HTML specifications.
• Extensive experience in data bases schema designs and optimizations, SQL, data-warehousing and star schemas. Also, Oracle, MS SQL server and MySQL.
• Excellent skills in developing and deploying applications in IBM WebSphere, Tomcat, JBoss, Oracle 10g and Web Logic.
• Improved the code communication with the help of test frameworks ScalaTest, JUnit, mockito.
• Experienced with open source build technologies including Ant, Hudson, and Mavenand git.
• Extensive work experience on different platforms such as Linux, Ubuntu and Windows.

SKILLS

Languages Tools JDK, J2EE, Servlets, JSP, EJB, JMS, Java Beans, JDBC, JSTL, UML,

OOAD, C, C , Perl, PHP, PL/SQL, ANT

Big Data Apache Hadoop, HDFS, MapReduce, Hive, Pig, HBase, Sqoop,

Flume, Zookeeper and Oozie

Web Technologies JavaScript, AJAX, XML, Adobe Flex, Web Services, XSD, X

Path, WSDL, JAXP, XMLBeans, XSL, XSLT, HTML, CSS

Databases Oracle 9i/8i/10g, MS-Access, MySQL, SQL Server

Scripting JavaScript, Json, JQuery, ANT, Maven

Open Source Frameworks/ Tools Jakarta Struts, Tiles, Hibernate, Spring IOC, Spring MVC, Spring

AOP, Log4J, Tiles

Tools ANT, iText,

Version Control CVS, VSS, SVN, ClearCase

Application Servers WebSphere, WebLogic, JBoss

Web Servers Tomcat

IDE Eclipse, RSA, NetBeans, Aptana, TOAD,

SQL Developer, MySQL Query Browser

Protocols TCP/IP, HTTP, HTTPS, SOAP

Build/Source Tools ANT, Maven, Jenkins, Clear Case, Sub Version, CVS, WinCVS, VSS

Methodology OOAD, UML, OOP's, J2ee Design Patterns, MVC framework

EXPERIENCE

Confidential

• Cerner can help with a unified suite of solutions proven to reduce costs and enhance patient safety. These solutions enable the physicians, nurses and other authorized users to view up-to-date patient information and help to aid decision-support for physicians and nurses.
• Implemented Java MapReduce programs to extract the required information from the semi-structured priced claim information.
• Loading data into HIVE data warehouse and extracting the data based on the requirement.
• Implemented Partitioning, Dynamic Partitions, and Bucketing in HIVE for decomposing the data sets.
• Created external tables, normal tables in Hive, and used various Hive Joins to merge the data sets.
• Create Hive scripts to extract, transform, load ETL and store the data.
• Created Hadoop work flows and scheduled jobs using Oozie.
• Implemented replicated join s using distributed cache, transformations, filters, group by operations etc.
• Used Agile Methodology Scrum to implement the project as various iterations.
• Created Sqoop scripts to capture structured claims and rate sheet data
• Stored and processed sparse data for real-time access in HBase.
• Developed a Middle Layer Framework which reads the data from HBase database used by Hadoop framework to store data from Map/Reduce Jobs
• Design the row key for the HBase schemas to avoid region hot-spotting and efficient reading of the data.
• Used testing tools like MRUnit, JUnit etc. to unit test the code.
• Used Hadoop shell commands to perform operations against data in HDFS.
• Used GIT for source version control.
• Provided portable APIs for developing, exposing and accessing Web applications designed and implemented in compliance with principles of REST architectural style using JAX-RS JSR311 and JSR 339 and Apache Jersey.
• Injected the object dependencies on an as needed basis using dependency injection patterns with the help of dagger framework to enable loose coupling between objects.
• Created mock data using different formats like YAML, JSON.
• Improved the code communications with the help of test frameworks ScalaTest, JUnit, mockito.
• Provided faster search responses using indexing with the help of Solr and Apache Lucene.
• Automated build, integration, release, and deployment processes with Jenkins.
• Authorized third-party access to the resources with the help of OAuth.
• Bug tracking, issue tracking and project management using JIRA.

Environment: Java, JSON, YAML, Jackson, JAX-RS, Netbeans, Web services, REST, SOAP,JAX-WS,Tomcat, MySQL, HTML 5, jQuery, jsRender, dagger, AVRO, Crunch, MapReduce, HDFS, HIVE, zookeeper, Oozie, HBase.

Confidential

• This project has a proof of concept at State Farm. Item sales management is a group which analyzes the sales in various directions.
• This group pulls the sales data, extracts required fields, adds additional general information and does the analysis on facts say brand, vendor based on class variables say part number, item prices and generates reports for the sales team.
• Implemented Java map-reduce programs to process data in Hadoop cluster.
• Performed ad-hoc querying to verify map-reduce results using Hive.
• Created sqoop and flume scripts to capture structured and unstructured data from different data sources into Hadoop cluster.
• Developed a middle layer framework which reads the data from HBase using Spring REST services.
• Stored and processed sparse data for real-time access in HBase.
• Used SVN for source version control.
• Developed UNIX scripts for job scheduling, handled logs and error from the Hadoop.
• Used Hadoop shell commands to perform operations against data in HDFS.
• Implemented the user interface to view the aggregated results in Java, Spring MVC.

Environment: Java 1.7/1.6, CDH4.x, HDFS, MapReduce, Hive, HBase, Sqoop, Flume and Oozie

Sr. Java/J2ee Developer, State Farm, Confidential

• State exception and effective date SEED services is a component of the SPARK framework. The goal of SEED is to provide a unified set of interfaces for all state and effective date driven services. SEED components respond to annotations placed on application beans. An application bean is a simple Java object created by the application such as auto, life and fire, etc. for the purpose of organizing data for its respective views, typically a Java Server Page JSP . The SEED service accepts beans, processes the annotations, and returns a hydrated state of those beans.
• Analyzed incidents, user requirements and designed the user object model, framework logic.
• Developed the annotation handler class to handle the application specific annotations.
• Developed the data binding classes to read the field information from the beans.
• Developed the XML databinder to process the xml based bean notation.
• Developed Web service clients to interact with JRF
• Developed Web services using JAX-WS and WSDL.
• Involved in creating the schema XSD for XML data binding.
• Prepared test data for JUnit test cases and executing test cases against test environments.
• Code reviews for all team members codes.
• Configured the SVN for code base and mentored the team in versioning tool usage.
• Developed JUnits classes for form validations.
• Involved in offshore co-ordination.
• Provided support for system tests and regression test and handled on-call support and backup production support environments.
• Involved in the code review process and implemented check style configurations.

Environment: Java/J2ee, JRA, Spring, Webservices, , SVN, Hudson, Log4j, JUnits, Windows, JAXB, , XML,XSD, Web Services, JAX-WS, Maven, log4j, Jenkins, Xstream, Emma, Cobertura, Code tutor, STS

Sr Java/J2ee Developer, Confidential

• The Cox Response Network CRN is a platform used to provide a standard way to aggregate information and orchestrate delivery to the Canoe Common Advanced Advertising System CAAS as well as other targets. CRN platforms will collect information from subscriber's set top boxes STBs , process the information according to the product family specific business rules and format the data to send to targets configured in the solution. The product family is identified in Campaign Information Package CIP via PEID, while the business rules for the products are pre-identified and programmed into the system.
• Involved in estimation models and completed the application's estimations.
• Developed the search canoe functionality using the Struts framework.
• Developed form beans for struts to fill user-filled information.
• Web-UI developed using JSP, AJAX, JavaScript, CSS and Struts Tag libraries.
• Configured action mappings for Struts Action Servlets.
• Used struts-tiles to define templates for UI interfaces.
• Worked with struts as the Web-container framework and validation was performed using the validator framework.
• Developed the CRN search functionality from the SOAP Web services using JAX-WS and WSDL.
• Involved in production support of the applications.
• Created the user domains in WebLogic and integrated with customer domains.
• Completed the code reviews for all team member's projects.
• Initiated responsibility in executing all of the SDLC phases.
• Performed engineering, monitoring, and identified areas that needed to be improved in the application and implemented the performance tuning.
• Developed JUnits classes for form validations.
• Worked with CVS for version controlling files.

Environment: Java, J2ee, JPA, Hibernate, Weblogic10, Web Services, CSS, Ajax, Java Script, JQuery, MS Visio, Windows, UNIX, Eclipse, and Toad

Sr. Java/J2ee Developer, Confidential

• Cisco Eos is hosted software used as a service platform that integrates features from multiple point solutions that enable M E companies to create, manage, and grow online communities built around branded entertainment content. Eos supports all entertainment genres and incorporates social networking, content management, site administration, and audience analytics features into a single operating environment. WMG EoS is the project that develops the Websites for the WMG artists.
• Worked as a technology lead with an eight member team for this application.
• Developed the sites in a cloud computing environment.
• Developed the websites using the Agile Methodology.
• Used JIRA for the project management and bug tracking tools.
• Critical application features included ensuring synchronization of data across various sites and enabling video gallery for artist's Websites and other interactive features.
• Involved in creating the Web sites using the open sources products like Drupal.
• Designed the architecture required for this application and wrote the build file required.
• Worked on customization of label/artist home pages in Myspace Website.
• Implemented the blog feature for artist Websites and also implemented the comments attached for respective posts.
• Developed the video streaming feature using BrightCove for label/artist Websites.

Environment: Cloud computing, CSS, Ajax, Java Script, JQuery, MS Visio, Windows, Aptana Studio

Sr. Java/J2ee Developer, Confidential

• Comcast has one of the largest on demand services with more than 3,800 titles, including more than 1800 movies available for monthly purchases. User can login into the application and select the movies, TV shows and cartoons on a demand basis. Developed a mobile website using PHP, which is compactable to the android devices. This application uses the Oauth for the secure access of the application.
• Involved in front-end page design of PHP and HTML pages using JavaScript coupled with CSS.
• Used Aptana Studio as IDE for design and development of the application.
• Involved in building and fine-tuning the existing applications, worked together with the involved teams of developers and architects.
• Used JavaScript for validation of page data in PHP pages.
• Implemented the oath for secure access.
• Worked as a technical lead/developer for the project.
• Consumed restful Web services.
• Excellent comprehension of the client requirements and project functionalities.
• Interacted with clients for design and business related issues.
• Involved in repairing various systems as well as UAT.
• Code walk through, bug tracking and debugging.
• Post implementation production support.

Environment: PHP, XML, Apache, Windows, HTML, CSS, Struts PHP, REST Web Services, XML, JSON, UNIX, Java Script, Aptana Studio

Sr. Java/J2ee Developer, Confidential

• Websites is the application to develop and host OLM websites. Websites should be developed using technologies as per the latest J2EE requirements. The content for all the sites needs to be in sync. This portfolio has versatile technologies and implemented many websites for labels/artists and used many upcoming features like blogging, and video gallery for artist's websites.
• Worked as a technology lead with an eight member team for this application.
• Developed a content management website to showcase various artists and their music with customers.
• Critical application features which included ensuring synchronization of data across various sites and enabled the video gallery for artists' websites and other interactive features.
• Involved in creating the Web sites using the open sources products like Drupal.
• Involved in creating the Web sites using the open sources products like Wordpress.
• Performance engineering monitoring, identifying areas that needed to be improved in the application and implemented the performance tuning.
• Configured the SVN client plug-in in eclipse for code base and mentored the team in versioning tool usage.
• Designed the architecture required for this application and wrote the build file required.
• Worked on customization of label/artist home page in MySpace website.
• Prepared the database entries for all the transactions.
• Implemented the blog feature for artist Websites and also implemented the comments attached for respective posts.
• Developed the video streaming feature using bright cove for label/artist websites.
• Code reviews for all team members codes.

Environment: J2EE, HTML, CSS, Ajax, Java Script, JQuery, Spring, Hibernate, JDBC, Oracle 10g, Ant, Web Services, Eclipse 3.2, and TOA

Sr. Java/J2ee Developer, Confidential

• ferent interventions were planned and implemented to achieve the stated goal.
• Worked as a technology lead with a five member team for this application.
• Analyzed user requirements and designed the user interfaces, object model, application server logic and schema.
• Developed views using Strut's tiles Frame work and validation framework for form data validations.
• Developed Web services using SOAP, JAX-WS and WSDL.
• Implemented the display tag functionalities like pagination, and auto sorting.
• Prepared the database entries for all of the transactions.
• Developed the helper classes and JSPs for this section.
• Implemented date object from JQuery to hide the future dates.
• Designed the MVC based architecture required for this application and written the build file required.
• Implemented the factory design pattern at instantiating the application's DAO classes.
• Implemented the singleton design pattern at instantiating the connection object using JNDI
• Configured the VSS for code base and mentored the team in versioning tool usage.

Environment: Java, J2ee, CSS, Struts, MySQL, Barah, SOAP Web Services, JAX-WS, Hibernate, Junit, Tomcat5.5, Subversion, Eclipse 3.2, MySQL Query Browser

Sr. Java/J2ee Developer, Infosys, Confidential

• Digital Media Enterprise Lab in Hyderabad is an innovation center for creating new applications, integrations and customizations around various Digital Asset Management DAM , Digital Rights Management DRM , transcoding, distribution and streaming tools for rich media i.e. audio, images and videos . This research lab is the hot bed for working on the cutting edge technologies and producing world class POC's surrounding various DAM and related tools. Working on the POC involves a lot of creative thinking and out of the box solution creations.
• Applied digital rights on rich assets using a DRM product.
• Involved in creating the web application which can be rendered PC, TV and mobile using CGW framework.
• Involved in creating the Web sites using the open sources products like Drupal and joomla.
• Involved in integrating the Magento with Drupal
• Involved calling complex API's for creating users, licenses and applying DRM on the assets.
• Integrating a CMS system with a VCMS system.
• Involved in configuring and calling VCMS Web services from CMS applications.
• Integrated search tools with a DAM product. Involved in configuring the search tools and called search API's from within the DAM system.
• Developed Web services using SOAP, JAX-WS and WSDL to access from other integrated products.
• Integrated external open source metadata databases with a DAM product. This involved creating Metadata models and ingesting the metadata from the external database in to the DAM system.
• Created custom Web applications for reading RSS feeds and displayed the same on a custom page.

Environment: HTML, CSS, J2EE, JDK 1.6, Spring 2.0, Hibernate, SOAP, Web services, JAX-WS, JAXB 2.1.12, Mule 1.3.3, JUnit, Weblogic, Unix, Shell scripts, Java Script, Job Scheduler, Crystal Reports, Oracle, SQL Server, MySQL, PHP, AS3, Eclipse 3.2, TOAD

Sr. Java/J2ee Developer, Confidential

Wildcat is a publishing platform used for all HP products. This application is also called a customer care application. Wildcat was not developed to implement a particular site or to deliver a specific set of capabilities. Wildcat was developed to provide a generic framework for integrating contents from various sources, and provided robust tools for data manipulation, data delivery, and separation of roles. Wildcat uses data stores to get the memory in during the runtime. Wildcat has more than twenty downstream systems to get the data to display to the customers.

Java/J2ee Developer, Confidential

• This application is developed for the HP customers. The people who bought the HP fax products enabled them to configure their faxes using this application. This application gives the step by step instructions to configure the fax machine including the images and the application also provides as a survey tool to gather the customer's feedback. This application is developed on the struts framework.
• Involved in requirements, analysis, design, implementation and documentation.
• Analyzed user requirements and designed the user interfaces, object models, and application server logic and schema.
• Used JavaScript for validation of page data in JSP pages.
• Developed a prototype and proof of concept for real system.
• Developed user interface using JSP based on Struts and custom tag library facilities and tile and design patterns like value objects and composite objects.
• Developed form beans, action classes to be used in the struts.
• Developed the Client UI on the Model View Controller Architecture MVC of the struts.
• Developed ANT scripts to build the different modules for the project like building the project modules and scripts for deploying to the server.
• Involved in handling post implementation issues in production.
• Post implementation production support.
• Used Eclipse for application development and CVS team for version control.

Environment: HTML, CSS, Java, J2EE,, JUnit, XML, Apache, Tomcat, JDK 1.5, Subversion, , Ant, Log4J, UNIX, Eclipse 3.2, TOAD, Struts, JSP, Junit, Oracle