Read the summary at eFinancialCareers:

Financial services jobs go in and out of fashion. In 2001 equity research for internet companies was all the rage. In 2006, structuring collateralised debt obligations (CDOs) was the thing. In 2010, credit traders were popular. In 2014, compliance professionals were it. In 2017, it was all about machine learning and big data.

In May, J.P. Morgan's quantitative investing and derivatives strategy team, led Marko Kolanovic and Rajesh T. Krishnamachari, issued the most comprehensive report ever on big data and machine learning in financial services.