Saikumar S Email & Phone Number

Pittsburgh, Pennsylvania, United States

Denver, Colorado, United States

India

Responsibilities:• Worked on Sqoop in migrating and transforming Structured, Semi structured, and Unstructured RAW data from HBase and ingested into HDFS for processing.• Written multiple MapReduce programs in Java for data extraction, transformation and aggregation from multiple file formats including XML, JSON, CSV.• Worked with Solr and Written Solr query segments to optimize search.• Wrote Flume configuration files for importing streaming log data into HBase with Flume.• Sqoop for large data transfers from RDBMS to HDFS/HBase/Hive and vice-versa.• Implemented partitioning, bucketing in Hive for better organization of the data.• Involved in using HCatalog to access Hive table metadata from MapReduce or Pig code.• Experienced in running batch processes using Pig Latin Scripts and developed Pig UDFs for data manipulation according to Business Requirements.• Developed several REST webservices which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications.• Developed Unit test cases for Hadoop M-R jobs and driver classes with MR Testing library.Environment: Apache Hadoop, MapReduce, HDFS, HBase, Unix, REST web Services, Hive, Pig, Oozie, Java (jdk 1.5), JSON, Eclipse, QlikView, Qlik Sense, Jenkins, Maven, Sqoop.

Bengaluru, Karnataka, India

Responsibilities:• Involved in development of Application with Java and J2EE technologies.• Develop and maintain service-based architecture utilizing technologies like Hibernate, ORM and Spring.• Designed and documented REST APIs, including JSON data formats and API versioning strategy.• Developed server-side services using java multithreading, Struts, Spring, EJB, SOAP, WSDL, AXIS.• Developed application using JSF, my Faces, and JDO technologies which communicate with Mainframe.• Generating schema difference reports for database using toad.• Developed PL/SQL procedures for different use case scenarios.Environment: Java/J2EE, JSP, XML, Spring Framework, Hibernate, Eclipse (IDE), Micro Services, Java Script, Struts, Tiles, Ant, PL/SQL, Windows, UNIX, Soap, Jasper reports.