Basic Requirements: 
7+ years of overall development experience
2 + years of experience in leading the development of cloud based Java applications using J2EE technology stack
Experience in building RESTful services using J2EE technology stack
Experience with NoSQL data stores such as Hbase or MongoDb or Cassandra or Couchbase

Essential Qualifications:

Experience with the Hadoop ecosystem – HDFS, MapReduce, Pig, Hive, Hbase, Zookeeper etc

Experience writing Java/ J2EE programs for web services

Preferred (not essential):

Click stream analysis to model user behavior and engagement.

Competency in statistical modeling and inference
Experience in using predictive techniques such as Time Series Analysis