What should a front-end developer know these days to get a job?

Answer 1

You need to know HTML, CSS and Java script if you want to go into developing websites, these are good for a data analyst as well. Things like python and c# are good for robust problem solving, it depends what you want to go into really.

Answer 2

html, css and js yeah but there are so many libraries and framworks and new technologies out there to learn react, vue js, angular preprocessors, task runners, and so on..