Experience with big data tools: HDFS/S3, Spark/Flink,Hive,Hbase, Kafka/kanisis, etc.
Experience with relational SQL and NoSQL databases, including Elasticsearch and Cassandra/Mongodb.
Experience with data pipeline and workflow management tools: Fivetran, Luigi, Airflow, etc.
Experience with AWS cloud services
Experience with stream-processing systems: Spark-Streaming/Flink etc.
Experience with object-oriented/object function scripting languages: Python, Java, Scala, etc