SUMMARY

• Over 7 Years of professional experience in all the phases of software development life cycle including Design, Development, Integration of Client/Server environment, Maintenance, Implementation and Testing of various software applications.
• Experience in Software Development Life Cycle (SDLC), OOA, OOD and OOP through implementation and testing.
• Experience in reviewing client requirement, prioritize requirements, creating project proposal (scope, estimation) and baseline project plan.
• Over 2 years of experience as Hadoop Developer wif good knowledge in Hadoop ecosystem technologies.
• Experience in developing Map Reduce Programs using Apache Hadoop for analyzing the big data as per the requirement.
• Worked on major Hadoop ecosystems PIG, HIVE, HBASE and Cloudera Manager.
• Experience in developing PIG Latin Scripts and using Hive Query Language.
• Experience working on NoSQL databases including Hbase, Cassandra.
• Experience using Sqoop to import data into HDFS from RDBMS and vice - versa.
• Good knowledge in using job scheduling and monitoring tools like Oozie and ZooKeeper.
• Experience in Hadoop administration activities such as installation and configuration of clusters using Apache, Cloudera and AWS.
• Good knowledge of Design Patterns like Singleton, DAO, Factory, MVC, Service Locator Pattern, Builder Pattern, Proxy Pattern etc.
• Experience in GUI development using HTML, CSS, JavaScript, JSON,XSLT, AJAX, JSP, JSP Tag libraries, Servlets, JNDI, XML, and XSLT.
• Designed and developed the application using Struts 1.3, Spring 2.5/3.0 and Hibernate 2.0 & 3.0 Frameworks.
• Excellent grasp in Core Java, spring 3.0, Hibernate 3.0, JPA, AJAX, Struts 1.3, JSP, Servlet, and JMS (MQ Series).
• Experienced in using SAX, DOM and STAX Parsers.
• Good experience in implementing Service Oriented Architecture (SOA) using XML based Web Services SOAP.
• Good exposure of Web Services and REST web Services using CFX/XFIRE and Apache Axis, Jersey Framework for the exposure and consumption of SOAP Messages and REST web services Messages.
• Expertise in RDBMS, JDBC, Hibernate, Oracle 8i/9i/10g and SQL Server including SQL or PL/SQL, Stored Procedures.
• Experience wif Application Servers and Web Servers such as BEA Web Logic Server, JBoss Server, IBM Web Sphere and Apache Tomcat.
• Experience in Building, Deploying and Integrating wif Ant, Maven.
• Experience in development of logging standards and mechanism based on Log4J.
• Extensive experience in different IDE’s like Net Beans, Eclipse - Indigo/Galileo & Helios.
• Test Driven Programmer wif thorough knowledge in unit testing wif J Unit 3.8/4.0.
• Ability to learn and master new technologies and to deliver outputs in short deadlines wif excellent communication and inter personnel skills.

TECHNICAL SKILLS

Hadoop/Big Data Technologies: HDFS, MapReduce, Hbase, Pig, Hive, Sqoop, Flume, Cassandra, Oozie, Zookeeper, YARN

Programming Languages: C, C++, Matlab, R, Java, Visual Basic, SQL, PL/SQL, Shell Scripting

J2EE Technologies: Servlets, JSP, Custom Tag Libraries, JDBC, JNDI, Collections, Multi-threading, JMS, Java Mail, JAXB, JAXP.EJB

Web Technologies: HTML, DHTML, JavaScript, Ajax, CSS, XML, DTD, XSD, XSLT, SAX, DOM, JSON

Databases: Oracle 8.x/9.x/10g/11i, DB2, MySQL, SQL Server.

Database Tools: TOAD.

Application/Web Servers: Apache Tomcat, JBoss, WebSphere, WebLogic

Web Services: Apache CXF/XFire, Apache Axis, SOAP, Jersey

IDE: Eclipse, NetBeans, JDeveloper, WSAD

Tools: Ant, Maven, TOAD, XML SPY, Selenium

Frameworks: Struts, Spring, Hibernate

Version Control Systems: CVS, SVN, JIRA, Clear Case

Testing/Logging tools: JUnit, EasyMock, JMock, log4J

Operating Systems: Windows XP/Vista/7, Unix, Linux

PROFESSIONAL EXPERIENCE

Confidential, Dearborn, MI

Hadoop Developer

Responsibilities:

• Installed and configured Apache Hadoop to test the maintenance of log files in Hadoop cluster.
• Installed and configured Hive, Pig, Sqoop, Flume and Oozie on the Hadoop cluster.
• Installed Oozie workflow engine to run multiple Hive and Pig Jobs.
• Setup and benchmarked Hadoop/HBase clusters for internal use.
• Developed Java MapReduce programs for the analysis of sample log file stored in cluster.
• Developed Simple to complex Map/reduce Jobs using Hive and Pig
• Developed Map Reduce Programs for data analysis and data cleaning.
• Developed PIG Latin scripts for the analysis of semi structured data.
• Developed and involved in the industry specific UDF (user defined functions)
• Used Hive and created Hive tables and involved in data loading and writing Hive UDFs.
• Used Sqoop to import data into HDFS and Hive from other data systems.
• Continuous monitoring and managing the Hadoop cluster using Cloudera Manager.
• Migration of ETL processes from Oracle to Hive to test the easy data manipulation.
• Developed Hive queries to process the data for visualizing.

Environment: Apache Hadoop, HDFS, Cloudera Manager, CentOS, Java, MapReduce, Eclipse Indigo, Hive, PIG, Sqoop, Oozie and SQL.

Confidential, Houston, TX

Hadoop developer

Responsibilities:

• Installed and configured Hadoop and responsible for maintaining cluster and managing and reviewing Hadoop log files.
• Installed and configured Hadoop MapReduce, HDFS and developed multiple MapReduce.
• Developed simple and complex MapReduce programs in Java for Data Analysis.
• Load data from various data sources into HDFS using Flume.
• Worked on Cloudera to analyze data present on top of HDFS.
• Worked extensively on Hive and PIG.
• Worked on large sets of structured, semi-structured and unstructured data.
• Use of Sqoop to import and export data from HDFS to RDBMS and vice-versa.
• Developed PIG Latin scripts to play wif the data.
• Involved in creating Hive tables, loading wif data and writing hive queries which will run internally in map reduce way.
• Responsible to manage data coming from different sources.

Environment: Apache Hadoop, Cloudera Manager, HDFS, Java MapReduce, Eclipse, Hive, PIG, Sqoop, Oozie and SQL

Confidential, Charlotte, NC

Java/J2EE Application Developer

Responsibilities:

• Responsible for design, document, implement, and unit test robust webservices framework to support templated payments and group payments in Java.
• Worked in an onsite-offshore model. Lead offshore developers, assisted them in understanding requirements and provided code reviews.
• Extensively used Spring Framework for Business Layer - accessing enterprise services like JNDI, JMS, and Job Scheduling. Also used Spring for transaction management and dependency injection.
• Created Database model, domain objects and DAO’s that interact wif the database and store the template related data and events.
• Used JAX-WS and Spring webservices to create and consume SOAP based webservices.
• Used Hibernate as an ORM tool for database operations.
• Created MDB’s to consume messages on various user events.
• Worked in Agile software methodology wif Scrum type development.

Environment: Java 1.6, Spring, Hibernate, Maven, Apache MQ, JUnit, JAXB, Oracle 10g, Oracle Coherence, Log4j, Shell Script, Soap UI, TOAD, SQL Developer, Quality Center, Linux, Windows

Confidential, Columbus, OH

Java/J2EE Application Developer

Responsibilities:

• The basic framework is based on MVC architecture.
• Develop the bowser based J2EE applications.
• Using Hibernate as a part of application development
• Designing the application using springs framework
• Deployed Servlets, JSP’s on Web Sphere server and configured it for optimal behavior in managing the client sessions.
• Developed user interfaces using JavaScript, JQuery, HTML, XHTML, CSS custom tags.
• Involved in design and development of the application using SOA (Service Oriented Architecture) wif Java Web Services / J2EE technologies
• Involved in in development of Servlets/JSP and documenting all the components clearly.
• Thorough knowledge in SD Methodologies Waterfall, Scrum and Agile
• Extensive use of IBM Rational tools for organizing development of software and systems
• Designed and developed reusable Java utility classes for the business logic functionality using services like JDBC and JNDI.
• Used WebSphere application server for deploying the web content and all code was written using the Eclipse IDE.
• Involved working wif DB2 database
• Written queries, stored procedures and functions using SQL, PL/SQL in Oracle.
• Worked wif sessions for database interaction wif Oracle implementing Persistence for data storing and maintenance procedures.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Expertise in deploying on Tomcat, JBoss, WebSphere
• Used Maven Builder extensively for the code building.
• Created Daily Rolling Log using Log4j
• Used SVN as Version Control System

Environment: DB2, IBM Websphere, Java, Hibernate, J2EE, Spring MVC, JSP, Rational Rose, JDBC, JNDI, SQL, JavaScript, XML, DTD, Eclipse, SVN, ANT, JUnit, Log4j, Oracle, PL.SQL, JQuery, Windows.

Confidential, Madison,NJ

Java/J2EE Application Developer

Responsibilities:

• Participated in Requirements Analysis, and Design and Development phases of the project wif major emphasis on Development of the modules.
• Designed the application using the core J2EE design patterns Singleton, Session Façade, Business Delegate, and Service Locator.
• Documented the design documents using Class Diagrams and Sequence Diagrams using the Rational Application Developer.
• Used Object oriented JavaScript for developing rich client page.
• Developed the interactive web page using Struts, Hibernate, Ajax, XML, Object Oriented JavaScript.
• Used JIRA issue tracker to file the bugs.
• Developed controllers, updated the struts configuration files and implemented validation using Struts Validator framework.
• Mapped (one-to-many, one-to-one, many-to-one relations) DTOs to Oracle Database tables and Java data types to SQL data types by creating Hibernate mapping XML files
• Oracle database was used, wrote stored procedures for common SQL queries
• Developed various Database interaction objects by implementing the DAO Patterns and used JDBC as Model Component.
• Used SAX Parser for parsing the xml document.
• JBoss Server was used as the application server for deploying the application.
• Implemented Log4j by enabling logging at runtime wifout modifying the application binary.
• Involved in Unit Testing and Bug-Fixing and achieved the maximum code coverage using JUNIT test cases.
• Used MAVEN for building and deploying the application.

Environment: Java 1.5, J2EE, XML, JavaScript, JIRA, HTML, Selenium, SQL, Servlet, Jsp, Struts, Hibernate, Log4j, JUnit, Ant, Oracle 10g, and Eclipse, JBoss.

Confidential

Java/J2EE Application Developer

Responsibilities:

• Responsible for understanding the business requirement.
• Worked wif Business Analyst and helped representing the business domain details in technical specifications.
• Was also actively involved in setting coding standards and writing related documentation.
• Developed the Java Code using Eclipse as IDE.
• Developed JSPs and Servlets to dynamically generate HTML and display the data to the client side.
• Developed application on Struts MVC architecture utilizing Action Classes, Action Forms and validations.
• Tiles were used as an implementation of Composite View pattern
• Was responsible in implementing various J2EE Design Patterns like Service Locator, Business Delegate, Session Facade and Factory Pattern.
• Code Review & Debugging using Eclipse Debugger.
• Was responsible for developing and deploying the EJB (Session & MDB).
• Configured Queues in WebLogic server where the messages, using JMS API, were published.
• Consumed Web Services (WSDL, SOAP, UDDI) from third party for authorizing payments to/from customers.
• Writing/Manipulating the database queries.
• Build web application using MAVEN as build tool.
• Used CVS for Version control,
• Performed unit testing using JUnit Testing Framework and Log4J to monitor the error log.

Environment: Java,/J2EE, Eclipse, Web Logic Application Server, Oracle, JSP, HTML, JavaScript, JMS, Servlets, UML, XML, Eclipse, Struts,Web Services, WSDL, SOAP, UDDI, ANT, JUnit, Log4j.