Nobody tracks your work. Basically, if you don't screw up, you are un-noticed. I found the lack of feedback about my work most unsatisfying . Also, time management is a big issue. There is no issue tracking and it can be frustrating when 5 or 6 developers are pinging you on Slack's PM for different things. Not a lot of room for climbing the corporate ladder. Learn what you do not know, and move on.