Mobile QA Automation: Service/Small Companies vs FANG – Skills, Tech, and Growth

I want to understand the key differences between being a Mobile QA Automation Tester in service or small product companies versus big companies like FANG. Specifically, I’d like insights on: 1. The tech stack and tools used in each type of company. 2. The required skills and knowledge for success in these roles. 3. The importance of a Mobile-specific QA Automation Tester in both settings. 4. The maximum salary someone with 5 years of experience can expect in each scenario.

Looking forward to insights from experienced professionals!