Big Data University has several relevant courses and learning paths. They are all free, give you certificates upon completion, and open badges backed by IBM: ht

Big Data University has several relevant courses and learning paths. They are all free, give you certificates upon completion, and open badges backed by IBM: https://bigdatauniversity.com/courses/ https://bigdatauniversity.com/courses/ In general, after you get some Hadoop fundamentals, I would recommend focusing on Apache Spark instead. Disclaimer: I'm part of the Big Data University team.