You're right. Just by looking at job posts you'll see requirements to know several languages, frontend frameworks, databases, enterprise services, and so on. Th

You're right. Just by looking at job posts you'll see requirements to know several languages, frontend frameworks, databases, enterprise services, and so on. The modern programmer is often a jack of all trades, but a master of none. I'm building multi-million dollar applications for companies, and often it's with languages and frameworks I've never used before.