The reason is that the software industry, unlike almost any other, can get talent into its pipeline extremely early, by way of dominant programming languages, development environments, data and tools.

FORBES: The Rise of Developeronomics

Their options range from using online app-building tools, to taking crash courses in computer programming and coding languages, hiring a costly professional on contract, or recruiting a full-time developer.

WSJ: App Building, the Do-It-Yourself Way