PROFESSIONAL SUMMARY:

• More than 11 years of experience in Java, J2ee Development, coding and application support including more than 2.5 years experience in Big Data Hadoop.
• Excellent implementation knowledge of Distributed / Enterprise / Web / Client Server systems using Java, J2EE (JSP, Servlets, JDBC, EJB, JNDI, JMS, Custom Tags), XML, Spring, Struts, AJAX, Hibernate, Web Services, ANT, JUnit, Log4J and Maven.
• Hands on experience in application servers like WebLogic 8.1, Tomcat 6, JBoss AS 7.0, WAS 7.0.
• Hands on experience in Hadoop Big data technology working on MapReduce, Pig, Hive as Analysis tool, Sqoop and Flume data import/export tools.
• Experienced with IDE tools such as Eclipse 3.2 and Net Beans 6.1.
• Experienced in web design using HTML, CSS, and jQuery.
• Proficient in XML Technologies including SAX, DOM parsing.
• Good experience in recognizing and reusing Design Patterns - classical and J2EE design patterns.  
• Developed architecture framework for Presentation layer and Business layer using Spring, Struts and Data Access Object using Hibernate.
• Extensively used Rational Rose and Enterprise Architect for Use Case Modeling, to draw Use Case Diagrams, Sequence Diagrams and Class Diagrams. 
• Proficient in relational database environments ( Confidential, DB2, MS-SQL, and MySQL).
• Strong experience in Systems Development Life Cycles and Object Oriented Design and Development.  
• Experienced in handling offshore business process model. 
• Proficient in MS Office, particularly Excel, Power Point and MS Visio.

TECHNICAL SKILLS:

Programming Languages: Core JAVA, JDBC 2.0, Servlets, JSP, JavaBeans,Python

Database: Confidential 11g/10g/9i

Web Development: HTML, CSS, jQuery

Frame work: Spring 3.1/4.x, Struts 1.3 & Web services JAX RPC, JAX WS, JAX RS, Struts 2

Other Tools: TOAD, SQL Navigator, FileZilla, HP Quality Center, JIRA, Elastic Search

IDE Tools: NetBeans 6.5, MyEclipse 6.0, Eclipse 3.7, Eclipse 4.2 Juno

Web Server: Apache Tomcat 5.5/6.0/7.0/8.0

ORM Tool: Confidential 9i/10g (SQL, PL/SQL), DB2, MySQL, Derby, SQL Server Express

Operating Systems: Windows 98/2K/XP/7/8, Unix & Linux OS

Web Technologies: HTML, JAVA SCRIPT

Utility Tools : Log4j, Ant, Maven

Design Pattern: MVC, Service Locator, Business Delegate, DAO, Value Object, Singleton, Factory, Abstract Factory, Builder, Prototype Design Pattern

Version Control Tools : CVS, SVN, GIT

Code Review Tool : Sonar, Crucible

Database Tool : Toad, SQL Developer

JavaScript Framework : Angular JS 1.0, jQuery,NodeJS

Testing Framework : Mockito, JUnit

Security Framework: ACEGI Spring Security, OWSAP Security

Big Data framework: Apache Hadoop, SPARK, HDFS, Map Reduce, PIG, Hive, Sqoop, Flume, Hase and Storm

NoSQL Database: MongoDB, Cassendra

Message Broker Tool : ActiveMQ, Apache Kafka

Web Service Framework : RESTful Web service (Jersey), Micro Services

Caching Framework: Ehcache

Rest Client: Postman, Advanced Rest client, SOAP UI

AWS framework: S3,RedShift,EC2

PROFESSIONAL EXPERIENCE:

Confidential

Java Spark Developer

• Responsible in migrating from Crons to Tidal so that monitoring of jobs can easily be done.
• Worked on Pig and Hive scripts
• Kafka integration with Spark using Spark Streaming API.
• Write new Oozie coordinator and bundle jobs for existing jobs in Hadoop cluster.
• Worked on Flume integration with server log file to do analysis using Hive Thrift server.
• Worked on Sqoop for importing RDBMS data into HDFS.
• Worked on Scala for implementing spark machine learning libraries and spark streaming.

Technologies Used: Java, J2ee, HDFS, MapReduce, Linux,Pig, Hive,Scala, Sqoop,Spark, HBase, Oozie, Cisco Tidal, SnapLogic and Oracle

Confidential

Senior Java Developer

• Worked on modules such as Device Module, Operation Console, Rule Engine, Transformation Module and Analytics Module.
• Developed RESTful web services using Jersey framework and Riak as database for storing data in form of key and value.
• Developed Data Ingestion application to bring data from source system to HBase using Spark Streaming, Kafka.
• Developed RESTful web services related to device, stream, event, action definition, rule definition, trigger definition services.
• Stored the data in form of key and value pair in Riak.
• Sent messages to Strom using Kafka messaging tool.
• Load and transform large sets of structured data using this application.
• Worked on AngularJS 1.0 for developing front end UI application integrated with back end micro services.

Technologies Used: Spark, Kafka, zookeeper,Linux, Kafka, Storm, MQTT, HBase, RabbitMQ, Riak, AngularJS 1.0, Spring 4.0

Confidential

Java Developer

• Developed Data Ingestion application to bring data from source system to HBase using Spark Streaming, Apache Kafka.
• Data segregation/categorization is performed based on the requirement using Spark Streaming API (Transformations & Output Operations) on the data stored in HBase.
• Hive external tables are created mapped to the data stored in the HDFS and Hive tables are accessed using Spark SQL.
• Installed and configured multi-node Apache Hadoop, Apache Spark cluster for data store and data processing. Importing structured data into HDFS using Sqoop.
• Cassandra is used for storing data permanently.
• Worked on Hortonworks Data Platform for managing nodes in hadoop cluster.
• Implemented solutions using Hadoop, Apache Spark, Spark Streaming, Spark SQL, HBase and Scala.
• Loaded and transformed large sets of structured data using this application.
• Worked on NodeJS to send server side Rest services call to WepApplication and Integrated with mongoDB.

Technologies Used: Java, J2ee, Spring MVC and Hibernate, Web services and DB2,NodeJS,Mongo DB, MapReduce, Pig, Hive, Sqoop

Confidential

Sr. Java Developer

• Worked in Spring MVC and RESTful Web services architecture to create various applications with their infrastructures details such LDAP detail, architecture, usage details,
• Analysis of history data using MapReduce (images, video and unstructured data), Pig and Hive for (XML and Excel files). Click stream is used to record data of user visiting the website.
• Installed and configured multi-node Hadoop cluster for data store and processing.
• Responsible for unit and system testing. Developed unit test cases using JUnit framework
• Implemented solutions using Hadoop, HBase, Hive, Sqoop, Java API, etc.
• Imported and exported data into HDFS, HBase and Hive using Sqoop.
• Loaded and transformed large sets of structured and semi structured data. Implemented solutions using Hadoop.
• Used ActiveMQ for messaging.
• Worked on front end layer using Dojo framework.

Technologies Used: Java, J2ee, Spring MVC and Hibernate, Web services and DB2, MapReduce, Pig, Hive, Sqoop, Dojo

Confidential

Technical Lead

• Worked on Spring MVC and RESTful web services with Front End Drupal and PHP.
• Developed partner website front end calls using RESTful web services at server end. It included operations like Registration, Login, Player Update, and Partner Sites and is connected with NConnecting CMS tools for getting players’ data, players’ offers, player points, player host and player coupon detail and add player to CMS.
• Developed MapReduce programs for unstructured data video, images and blog data and structured data using Pig and Hive for analysis.
• Installed and configured multi-node Hadoop cluster for data store and processing.
• Responsible for unit and system testing. Developed unit test cases using JUnit framework.
• Implemented solutions using Hadoop, HBase, Hive, Sqoop, Java API, etc.
• Maintained customer data in various forms such as Excel reports, PDF and XMLS and managed the data using HDFS.
• Imported and exported data into HDFS, HBase and Hive using Sqoop.
• Loaded and transformed large sets of structured and semi structured data. Implemented solutions using Hadoop.

Technologies Used: java, j2ee, Spark, Kafka, zookeeper, Kafka, Storm, MQTT, HBase, RabitMQ, Riak

Confidential

Senior Developer

• Lead a team of four developers.
• Worked on tracking incidents and record attendance management modules in Spring, Struts2 MVC and Hibernate architecture.
• Responsible in doing code reviews.
• Involved in designing and coding in DAO and Business Classes.
• Responsible for unit testing and bug fixing.
• Build release and deployment.

Technologies Used: Java, J2ee, HTML, Spring and Hibernate and SQL Server 2005

Confidential

Senior Developer

• Worked on various modules such as Customer Search, Policy Search, Policy List, Contact Search, Contacts Update, Contacts Delete and Fund Inquiry Services which are called from Sales force UI using Cordys interface.
• Understood the configuration management using Sales force.
• Involved in the design and coding in DAO classes.
• Involved in project development using RESTful services design.

Technologies Used: HTML, Spring and Hibernate and SQL Server 2005, SalesForce, JBoss 7.1

Confidential

Senior Developer

• Worked on comprehensive and highly configurable policy administration suite for Life, General (P&C)and group insurance that provides end-to-end services for insurers including product management, new business and underwriting, policy ownership services, general ledger, claims and renewals, policy/group management, etc.
• Worked on UI generator tool which parses the existing screens, reads the proposed layout information from a file, that information in an XML, and generates the new JSPs using these XMLs.
• Worked on new screen generation. A screen designer/BA will design the screen Meta data in XML for new screen and this tool will parse that XML and generate the JSP for same. UI Generator at the heart has two engines.

Technologies Used: HTML, Core Java, Spring, Hibernate, SQL Server 2005

Confidential

Senior Developer

• Worked on an insurance based project using the Struts, Spring and Hibernate technology on staff authentication module and customer registration module related with staff operations and front office.
• Implemented Spring security for authentication and authorization of front end customers and back end staff.
• Implemented Struts 1.2 MVC architecture with Spring core features dependency injection and AOP.
• Worked on various types of validations of authentications such as failed attempt to lock the login, password expiry, and change password to check existing 5 passwords.
• Worked in Spring and Hibernate Integration at DAO layer.

Technologies Used: HTML, Core Java, Spring and Hibernate, Struts 1.2 and SQL Server 2005

Confidential

Senior Developer

• Worked on various module BU Information module, Member profile module, Forum module and Event Module using Spring and Hibernate technology.
• Implemented authentication and authorization functionality using Spring security in Member profile module.
• Implemented DAO and Service layer classes for Member profile module and Forum module.
• Implemented Sparing AOP programming for crossing cutting concern for logger functionality, caching and transaction management.

Technologies Used: HTML, Core Java, Hibernate 3.2, Spring 2.5 and Oracle 10g

Confidential

Senior Developer

• Worked on crawling the different content management repository like live link using Java multithreading.
• Implemented Java-based live link API to access the files and directories from Oracle Secure Enterprise search engine.
• Implemented logic for crawling in OSES to search documents in live link repository using multithreading.
• Worked on integration of OSES API with live link connector API to access the contents back to interface of OSES.
• Implemented logic for security (authentication and authorization for users) and logging in live link connector code.
• Written JUnit test case classes for testing the all various modules implemented for live link repository.

Technologies Used: OSES (Oracle product), Live Link, Core Java