About my experience(10 yoe):- Tech stack: C, C++, python, OpenCL, GPU and DSP programming. Along with that some performance engineering and docker topics.Problem:- not feeling confident enough in my skillset. I feel that I have breadth of topics but deep expertise is missing.- I am with the same company for 8 years but switched teams after 4 years. Topics are random based on the customer project as there is no real sw product. I believe this hinders in becoming expert.- Finding new job is becoming harder day-by-day.Looking for advice/recommendations:- How can I turn the situation?- Has anyone here has faced similar situation and come out of it? What did you do?