Org. development studio structure?

Question

Mobile development

Please tell me the optimal organizational structure of a mobile application development studio for corporate customers. While there is only an approximate list of key employees, perhaps some of them can be outsourced, but in any case, understanding is required. Double thanks to everyone who is friends with Visio ))
CTO
UX/UI designer
PM
System Analyst
Backend/frontend dev
...

Answer 1

maybe you can underline something for yourself:
www.redmadrobot.ru/about
surfstudio.ru/about
cleverpumpkin.ru/team
www.e-legion.com/company/employees

Answer 2

0. Salesperson
1. PM
Outsourcers