Who passed certificates for testers - ISTQB or others - did it improve your programming skills?

Question

Software testing

Share your experience. After all, a good programmer should be able to test correctly. Although this has become a separate QA job.

Answer 1

Preparing for ISTQB.
It won't affect your programming skills in any way. You will learn about testing about its different methods and approaches, but in real life this will not give you anything if you are not going to change your qualifications.
For programmers, this is unit testing - read / study ISTQB about this and will not help you here.

Answer 2

There is a saying "Meet by clothes, but see off by mind."
At the interview, you will need to show your knowledge in any way. But you still need to make sure that you are called to it! Any certificate is a way to stand out from the mass of other similar professionals. No more. Moreover, quality certification structures your knowledge. It might help you look at yourself. It will increase your self-confidence, but is that a bad thing? Confident in himself and his abilities, as a rule, he achieves more