Expertise in Big Data Ecosystem with deep experience in Java, Hadoop, Spark, Storm, Cassandra, NoSQL etc. Expertise in MPP architecture and knowledge of MPP engine (Spark, Impala etc). Experience in building scalable/highly available distributed systems in production. Understanding of stream processing with expert knowledge on Kafka and either Spark streaming or Storm. Experience with SOA. Knowledge of graph database neo4j, Titan is definitely a plus. Knowledge of Software Engineering best practices with experience on implementing CI/CD, Log aggregation/Monitoring/alerting for production system.