Areas of interest:
Large Scale Data systems
Lambda Architecture
Algorithms and Data Structures
Product Development
Machine Learning - Network effects, clustering, decision tree, dimensionality, regression
Graph Theory
Big Data
All things Apache - Hadoop, Hive, Spark, Ambari, Pig, HBase, MapReduce, Solr, Storm, Flink, HAWQ, Drill, Flume, Kafka, Mahout, Oozie...
R
Python
Apache Cassandra
Redis, Linkedin Voldemort, EventStore, OpenTSDB, Neo4j,