SUMMARY

• Overall 6 years of professional IT experience with 4+ years of experience in analysis, architectural design, prototyping, development, Integration and testing of applications using Java/J2EE and Endur Technologies and 2 years of experience in Big Data Analytics as Hadoop Developer.
• 2 years of experience as Hadoop Developer with good knowledge in Hadoop ecosystem technologies.
• Experience in developing Map Reduce Programs using Apache Hadoop for analyzing the big data as per the requirement.
• Experienced on major Hadoop ecosystem’s projects such as PIG, HIVE and HBASE.
• Extensive experience in developing PIG Latin Scripts and using Hive Query Language for data analytics.
• Good working 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 and Cloudera
• Developed UML Diagrams for Object Oriented Design: Use Cases, Sequence Diagrams and Class Diagrams using Rational Rose,Visual Paradigm and Visio
• Good Working experience in using different Spring modules like Spring Core Container Module, Spring Application Context Module, Spring MVC Framework module, Spring ORM Module in Web applications
• Aced the persistent service, Hibernate and JPA for object mapping with database. Configured xml files for mapping and hooking it with other frameworks like Spring, Struts
• Working knowledge of database such as Oracle 8i/9i/10g
• Strong experience in database design, writing complex SQL Queries and Stored Procedures
• Have extensive experience in building and deploying applications on Web/Application Servers like Weblogic, Websphere, and Tomcat
• Strong work ethic with desire to succeed and make significant contributions to the organization
• Strong problem solving skills, good communication, interpersonal skills and a good team player
• Have the motivation to take independent responsibility as well as ability to contribute and be a productive team member

TECHNICAL SKILLS

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

Programming Languages: Java JDK1.4/1.5/1.6 (JDK 5/JDK 6), C/C++, HTML, SQL

Frameworks: Hibernate 2.x/3.x, Spring 2.x/3.x,Struts 1.x/2.x

Web Services: Apache CXF/XFire, Apache Axis

Client Technologies: JQUERY, Java Script, AJAX, CSS, HTML 5, XHTML

Operating Systems: UNIX, Windows, LINUX

Application Servers: IBM Web sphere, Tomcat, Web Logic, Web Sphere

Web technologies: JSP, Servlets, JNDI, JDBC, Java Beans, JavaScript, Web Services(JAX-WS)

Databases: Oracle 8i/9i/10g & MySQL 4.x/5.x

Java IDE: Eclipse 3.x, IBM Web Sphere Application Developer, IBM RAD 7.0

Tools: SQL Developer, Visio, Rational Rose

PROFESSIONAL EXPERIENCE

Confidential, Alpharetta, GA

Hadoop Developer

Responsibilities:

• Responsible for building scalable distributed data solutions using Hadoop
• Installed and configured Hive, Pig, Sqoop, Flume and Oozie on the Hadoop cluster
• Setup and benchmarked Hadoop/HBase clusters for internal use
• Developed Simple to complex Map/reduce Jobs using Hive and Pig
• Optimized Map/Reduce Jobs to use HDFS efficiently by using various compression mechanisms
• Handled importing of data from various data sources, performed transformations using Hive, MapReduce, loaded data into HDFS and Extracted the data from MySQL into HDFS using Sqoop
• Analyzed the data by performing Hive queries and running Pig scripts to study customer behavior
• Used UDF’s to implement business logic in Hadoop
• Implemented business logic by writing UDFs in Java and used various UDFs from Piggybanks and other sources.
• Continuous monitoring and managing the Hadoop cluster using Cloudera Manager
• Worked with application teams to install operating system, Hadoop updates, patches, version upgrades as required
• Installed Oozie workflow engine to run multiple Hive and Pig jobs
• Exported the analyzed data to the relational databases using Sqoop for visualization and to generate reports for the BI team

Environment: Hadoop, MapReduce, HDFS, Hive, Pig, Java, SQL, Cloudera Manager, Sqoop, Flume, Oozie, Java (jdk 1.6), Eclipse

Confidential, Plano, TX

Hadoop developer

Responsibilities:

• Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
• Launching and Setup of HADOOP/ HBASE Cluster which includes configuring different components of HADOOP and HBASE Cluster.
• Hands on experience in loading data from UNIX file system to HDFS.
• Experienced on loading and transforming of large sets of structured, semi structured and unstructured data from HBase through Sqoop and placed in HDFS for further processing.
• Installed and configured Flume, Hive, Pig, Sqoop and Oozie on the Hadoop cluster.
• Managing and scheduling Jobs on a Hadoop cluster using Oozie.
• Involved in creating Hive tables, loading data and running hive queries in those data.
• Extensive Working knowledge of partitioned table, UDFs, performance tuning, compression-related properties, thrift server in Hive.
• Involved in writing optimized Pig Script along with involved in developing and testing Pig Latin Scripts.
• Working knowledge in writing Pig’s Load and Store functions

Environment: Amazon EC2, Apache Hadoop 1.0.1, MapReduce, HDFS, CentOS 6.4, Hbase, Hive, Pig, Oozie, Flume, Java (jdk 1.6), Eclipse

Confidential, NY

Java & J2EE developer

Responsibilities:

• Involved in development of business domain concepts into Use Cases, Sequence Diagrams, Class Diagrams, Component Diagrams and Implementation Diagrams.
• Implemented various J2EE Design Patterns such as Model-View-Controller, Data Access Object, Business Delegate and Transfer Object.
• Responsible for analysis and design of the application based on MVC Architecture, using open source Struts Framework.
• Involved in configuring Struts, Tiles and developing the configuration files.
• Developed Struts Action classes and Validation classes using Struts controller component and Struts validation framework.
• Developed and deployed UI layer logics using JSP, XML, JavaScript, HTML /DHTML.
• Used Spring Framework and integrated it with Struts.
• Involved in Configuring web.xml and struts-config.xml according to the struts framework.
• Used transaction interceptor provided by Spring for declarative Transaction Management.
• The dependencies between the classes were managed by Spring using the Dependency Injection to promote loose coupling between them.
• Provided connections using JDBC to the database and developed SQL queries to manipulate the data.
• Developed DAO using spring JDBC Template to run performance intensive queries.
• Developed ANT script for auto generation and deployment of the web service.
• Wrote stored procedure and used JAVA APIs to call these procedures.
• Developed various test cases such as unit tests, mock tests, and integration tests using the JUNIT.
• Experience writing Stored Procedures, Functions and Packages .

Environment: Java, J2EE, Struts MVC, Tiles, JDBC, JSP, JavaScript, HTML, Spring IOC, Spring AOP, JAX-WS, Web sphere Application Server, Oracle, JUNIT, Eclipse

Confidential, Boston, MA

Java /J2EE Developer

Responsibilities:

• Responsible for gathering and analyzing requirements and converting them into technical specifications
• Used Rational Rose for creating sequence and class diagrams
• Developed presentation layer using JSP, Java, HTML and JavaScript
• Used Spring Core Annotations for Dependency Injection
• Designed and developed a ‘Convention Based Coding’ utilizing Hibernate’s persistence framework and O-R mapping capability to enable dynamic fetching and displaying of various table data with JSF tag libraries
• Designed and developed Hibernate configuration and session-per-request design pattern for making database connectivity and accessing the session for database transactions respectively. Used HQL and SQL for fetching and storing data in databases
• Participated in the design and development of database schema and Entity-Relationship diagrams of the backend Oracle database tables for the application
• Implemented web services with Apache Axis
• Designed and Developed Stored Procedures, Triggers in Oracle to cater the needs for the entire application. Developed complex SQL queries for extracting data from the database

Environment: Java, JDK 1.5, Servlets, Hibernate, Ajax, Oracle 10g, Eclipse, Apache Axis, Apache Ant, Web Logic Server, JavaScript, HTML, CSS, XML