Here's your mistake. Now you have your product engineers screening a thousand resumes every week and doing endless phone interviews.
Yes, HR is bad at hiring engineers. Nonetheless hiring engineers is a lot of work, and engineering departments need someone somewhere to take that load.
The solution is hard[1], but at the end of the day needs to be something much closer to "better HR" than "don't involve HR".
[1] And something very few large companies have cracked. Small outfits can usually get by with networking via their existing staff, but that doesn't scale well and leads to feedback effects like toxic monocultures.
Yes, HR is bad at hiring engineers. Nonetheless hiring engineers is a lot of work, and engineering departments need someone somewhere to take that load.
The solution is hard[1], but at the end of the day needs to be something much closer to "better HR" than "don't involve HR".
[1] And something very few large companies have cracked. Small outfits can usually get by with networking via their existing staff, but that doesn't scale well and leads to feedback effects like toxic monocultures.