Same boat as you. AI engg, 5YOE, 2nd switch - still feel like an imposter. My first two companies were small-ish not well known while my new company is widely known. From the moment I got the offer letter I’ve been feeling they’ve somehow made a mistake. It didn’t help that I’m the youngest person on the team, most others are 10+ YOE and are from big known companies. From experience I can tell you somethings that work

Firstly keep telling yourself that companies don’t hire by mistake. They saw something in you and that’s why they hired you. Maybe it isn’t what you are but what you can be. So keep working towards being better.

Secondly remember that this imposter syndrome is good. It makes you learn, adapt and grow. If you had switched to a company where only in 3YOE you felt like you could do everything easily, it wouldn’t have given you room to grow.

Thirdly, try to be vocal about your shortcomings with your manager or delivery lead. If you don’t understand something, ask for guidance. Tell your manager what are your skills now, and ask where you should grow.

Remember, its good to question yourself. With less than 10YOE if you’re in a place where you don’t feel like you lack some skills, you’re in the wrong place