How to optimize your career for happiness?

I thought I had a pretty good work-life balance but lately, I’ve been through health issues and every single doctor/therapist is pointing out to stress and sedentarism. Due to that, I’ve been reading some articles where researchers explain how people in tech started to care more about happiness and less about salary. I thought I was already doing that but looks like I’ve been doing something wrong with my professional career, and there is a path more equilibrated and focused on happiness I should follow.

Do you do something special?