Spark/Scala, Java, Python and openstack developer, worked extensively with J2EE, Websphere, JPA, rest web services, db2 tomcat C#, asp.net developer with lot of db experience also.
Neural Networks and Linear learning algorithms.
Worked of some data migration projects that involved migrating mainframe(AS400-DB2) dbs to sql server with a web front end.
Have learnt ruby and done some dabbling with ROR and mySQL.