If you want a success in your IT career, you must know
1. A language like Python, Java, C#
2. Solid concept of AI
3. Use software web interfaces
4. Operate web interfaces of top web service providers
Top web service providers:
1. Amazon
2. Microsoft
3. Google
4. Oracle
5. IBM
Amazon provides cost effective web services. Gmail is a web email service. If you use it, you are using SaaS, software as a service. If you know API of gmail, you use PaaS, platform as a service. If you have your own gmail, you have almost total control of all the layers of web service. You are using IaaS, infrastructure as a service.
You must know the programming or using software AI or admin interfaces to work with AWS.