What does the term "data developer" mean? Apparently, it can mean different things to different people, in different contexts, at different times in history, or in different layers of a solution stack. It implies a developer who focuses on data application development but doesn't really deny the possibility of data infrastructure development nor the handling of vast different types of data or related technologies of the past, the present, and the future. However, while the breadth and depth associated with the single word "Data" seem beyond perhaps anyone to grasp in full, the buzz words of today in the industry, such as Spark, Kafka, Tableau, HDFS, etc. represent the data trend today for a data developer, no doubt...