A Salesforce Developer manages and customizes a company’s Salesforce instance by using three important technologies: Apex, Vidualforce, and Lightning Component Framework.
Salesforce Developers use these programming languages and tools to customize apps and processes. Salesforce development can be called a technical job, but it goes beyond programming. Salesforce developers are also responsible for collaborating with sales, support, and marketing to meet customer requirements. Salesforce developers also handle QA, debugging, testing, and documentation.