With 7 experience years in Software engineering, my fields are:
_ Web development: PHP Laravel, , Flask Python, Angular 2+4, etc.
_ Mobile development: Xamarin. In my opinion, this is the best solution when you want your app in cross-platform environment.
_ Testing: ensure quality of product by strict standard processes (qualified by ISTQB certification)
Service quotation:
_ Developing + testing: 20$/hr
_ Developing: 15$/hr
_ Testing: 10$/hr
_ Consulting cloud architecture: 25$/hr
Platform:
_ AWS, Azure: be in charge of cloud solution architect position at my current company (qualified by AWS certification)
Tools:
_ Gitlab: it's the most suitable repository for you, because It's unlimited, free, private and support CI/CD