Work Experience:
Software professional, worked on enterprise, web, JAVA, J2EE,mobile applications.. Now focusing on Hadoop, BigData.5+ Year Experience in Corporate Training.
Freelance Consulting on BIGDATA & HADOOP DEVELOPER / ADMIN, Spark.

Given talks at various meetup.Very proactive in learning and leveraging emerging technologies. Mentored engineers; believe in leading by doing.
Hadoop / BigData / Spark & Scala:
Consulting on Hadoop ecosystem : Hadoop, MapReduce, Pig,Hive, Sqoop, Flume, Spark & Scala
Managed Hadoop clusters : setup, install, monitor, maintain; Distributions : Cloudera CDH
Hadoop tutorials &howtos :
Teach Hadoop courses for individuals and corporate groups .

Responsibilities :
Written MapReduce code to process all the sequence files to extract the useful
Information from log files (like Host name, platform, operating system etc.).
Writing serdes and used complex data type in Hive.
Extensively involved in query optimization in Hive query language.
Extensively used pig script, complex type, grouping, flattening etc.
Maintained Hadoop clusters for dev/production.

Created the customized Map Reduce Input/output formatted and used extensively.
Highly involved in designed the next generation data architecture for the unstructured data.
Performance tuning of Hadoop clusters routines against very large data sets.
Assisted with the addition of Hadoop processing to the IT infrastructure.
Depending on this information the HBase rules will be applied on the log files, to get the required information in a structural manner (MapReduce output) used hive for storing the MapReduce output into tables.
Used Sqoop and Flume for importing the data into the HDFS.
Reviewed the HDFS usage and system design for future scalability.
Developed applications on MapReduce programming Model of Hadoop in java.