SUMMARY

• Over 5 Years of experience in the IT industry specifically in JAVA/J2EE web technologies with skills in analysis, design, development, re - engineering, maintenance, installation, implementation and testing Java based systems.
• Worked in Web Technologies using Servlets, JSP, Struts2.0, Spring2.5+, Hibernate, Java Beans, Java Collections, JDBC, JavaScript, XML, HTML, DHTML,Tiles,CSS, Ajax, and WRIA (Developed on YUI).
• Working knowledge on XML Parsers, XSL, XPath, JAXB, JSON, JSTL, XHTML and Apache Solr.
• Good understanding in OOD and Object Oriented Programming (OOPs).
• Knowledge of design patterns Singleton, Factory method, MVC (Model, View & Controller).
• Knowledge of Web Services like SOAP and REST.
• Good knowledge in database like Oracle 10g, MySQL, PostGreSQL.
• Working Experience on App server like Websphere 6.1, Tomcat 5.5 in building and deploying applications.
• Experienced in developing applications using Eclipse, NetBeans, RAD, ANT, SVN Version Control, and JUnit.
• Experience with technologies like Hadoop, Map-Reduce, Hive, Pig, Hue, Sqoop, and HBase.
• Great experience in Hadoop Administration: Setting up the Hadoop DEV/QA/Production clusters from scratch, monitoring and maintaining them.
• Good experience in Data Migration to Hadoop based Warehouse.

TECHNICAL SKILLS

Languages: Java,PHP, SQL, XML UML, Apex, C, C++

Big Data Technologies: Hadoop, MapReduce, HDFS

Web Technologies: Servlets, JSP, J2EE, JDK, JDBC

Framework: Spring 2.5 +, Hibernate 3.0, Struts 2.x.

Web/Application Servers: Jetty, Apache Tomcat

Scripting Languages: JavaScript, jQuery, AJAX, CSS

Markup Languages: HTML, XML

XML: DOM, SAX, SOAP, REST, JAXB, XMPP

Databases: Oracle 9i/10g, MySQL 4.x, PostGreSQL Hive, HBase, Pig.

OS: MS-Windows 95/98/NT/2000/XP/7, Linux, Unix, Solaris 5.1

Methodologies: OOP, Agile, Extreme Programming

Version Control Tools: SVN, CVS, Git

PROFESSIONAL EXPERIENCE

Confidential, San Francisco, CA

Hadoop/Java Engineer

Responsibilities:

• Working for developing their application, on Java, J2EE, spring platform.
• Support and Maintenance of HDFS and theHadoopCluster
• Loaded data from Oracle to HDFS (Hadoop) using Sqoop.
• Involved in Consuming SOAP/Rest webservices.
• Developed the Data transformation script using hive and MapReduce
• Designed and developed User Defined Function (UDF) for Hive (java).
• Loaded the data to HBASE using bulk load and HBASE API
• Worked on the proof-of-concept for Apache Hadoop framework initiation.
• Worked on data warehousing applications like Netezza and Teradata
• Explored and Implemented Hadoop ecosystem features and architectures.
• Built firmware check-in service using MongoDB, Java/Spring as both hosted and cloud service.

Confidential, Pleasanton, CA

Software Developer Engineer

Responsibilities:

• Working for enhancing and updating their existing application, on Java, J2EE, Spring 3.0, PHP platform.
• Working as a support engineer and handling quick tickets and solving bugs.
• Regularly maintaining SVN repository and involved as a release engineer.
• Worked UI fixings using HTML, CSS, JavaScript, and Smarty.
• Working with different production monitoring tools like Tealeaf, Splunk, Intersocope, Xdash, etc.
• Analyzed requirements and created various models needed for the project.
• Used spring 3.1 with the help of Spring Configuration files to create the beans needed and injected dependency using dependency Injection.
• Created various DAOs to be used for accessing the data from MySql.
• Used JAXB to map the entities to XML representation so that REST API can produce and consume entities in XML.
• Implemented Hibernate instead of traditional JDBC code.
• Used annotation based transactional support of Spring Framework.
• Created all the services to work with the various entities provided and restified the services using REST APIs.

Confidential, Newark, DE

Production Support Engineer

Responsibilities:

• Working for enhancing and updating their existing application, on Java, J2EE platform.
• Worked on advance frameworks like Struts 2.0, Spring 3.0.
• Involved in Consuming and Creating SOAP webservices.
• Worked on Oracle database for generating day to day maintenance reports and schedule tasks.
• Worked on WRIA (Developed on YUI), JSP, javascript, Ajax, JSON for updating and creating frontend UI.
• Developed new java classes and data structure for adding new functionality.
• Regularly consulting different development/hardware teams and finding root cause of production issue.

Confidential

Java / J2ee Developer

Responsibilities:

• Analyzed the requirement and designed the web pages.
• Developed Front End screens using Html and java script.
• Developed front-end Rule Validation using Java Script.
• Interact with business analyst to convert business requirement to technical requirement.
• Developed Use Cases and Created UML diagrams using Rational Rose.
• Developed security system in JSP for displaying dynamic web pages, Java Beans, HTML, JavaScript and XML.
• Modified the UI screens created by web designer using HTML, JSP, CSS, and Javascripts.
• Designed and implemented MVC architecture using Java/J2EE which involved writing action classes and JSP pages.
• Created back-end SQL using PostGreSQL.
• Developed and maintained ANT Scripts.
• Used Ajax, Javascript for validation and dynamic data rendering.
• Involved in debugging, performance tuning and load-testing of the application using Netbeans.