Product-based companies select the candidates for their engineering teams based on their programming skills and logical abilities. In addition, if you are aspiring to become a Cloud engineer in product-based companies, then you should have robust programming knowledge and analytical skills. The best way to do this is to register for an AWS Certification program.
Additionally, you can refer our blog on AWS to learn more about AWS interviews.
Also, video tutorials can prove very useful in mastering complex AWS topics.