Below are the most important skills that you must have if you want to become a Google Cloud Developer:
You must have a good experience in working with microservices and also with Spring Boot.
You must possess a well-recognized GCP Architect certificate or GCP Developer certificate.
You should know about Compute Engine, Application Engine, and Kubernetes Engine
You should be able to work on Bigtable and Big Data services on Google Cloud.
In order to become a successful GCP Developer, you can opt for the Google Cloud Course. To learn GCP in the minimum possible time, you can check out the following video tutorial on GCP prepared by Intellipaat and this is totally free of cost: