Salesforce Developer is a professional who has the job of building applications in the Salesforce Platform using various tools. The skills that are required to become a Salesforce Developer are:
Tool knowledge like Lightning App Builder, Experience Builder, Flow Builder, Process Builder, and Report Builder.
Programming skills in Apex, SOQL, or SOSL, Lightning Web Components.
And other skills like Application Life cycle management, Web Services, System Integration, etc.
If you have these skills, then you can get a job as Salesforce Developer. Check out this fantastic Salesforce Developer Course from Intellipaat. And also check out this video to get a better insight and understanding.