Roblox’s second-biggest expense, behind developer fees, is infrastructure, privacy and safety. Those costs jumped 69 percent last year to $264.2 million.

What other skills are required to become a developer? Outside of technical know-how, employers are increasingly looking for developers with strong soft skills as well as technical skills.

Roblox might still be a good investment for patient investors, but it probably won't become a millionaire-maker within the next decade.

A new type of developer has emerged in the workplace, where coding skills are not a prerequisite. Here's how you can become one.