I think being good with a proprietary technology like Qlik isn't so bad. That is a rare skill and there are jobs.
The question is what you want in life and your job. You are saying you have the feeling you should have learned more but why is that? Do you want more money, fame or freedom?
The question is what you want in life and your job. You are saying you have the feeling you should have learned more but why is that? Do you want more money, fame or freedom?