If a company cannot hire junior devs because its senior devs don't have time to mentor them, then that company is already stretching its senior devs too thin.
I obviously receive mentoring from the senior devs in matters of management and design which IMO is more valuable than any of the technologies I brought along. They may be outdated soon but software development is still a growing field when it comes to the administration of labor and organization of tasks.
I think companies are mistaking "junior dev" for "experienced software developer that hasn't worked for a F500 company".
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