I work for a startup and I'm in my late 30s. We recently hired a developer in his late 40s. All my friends working in the industry are around 40 and none of the

I work for a startup and I'm in my late 30s. We recently hired a developer in his late 40s. All my friends working in the industry are around 40 and none of them has trouble finding work. I'm in France at the moment. Maybe this whole "developers have to be [..30] years old" is only the norm in the niche HN talks about most.