It's simply asking that you have 4 years of experience as a developer (or designer), and not a specific technology. I think that's completely reasonable. So i

It's simply asking that you have 4 years of experience as a developer (or designer), and not a specific technology. I think that's completely reasonable. So it wouldn't matter if the longest you've ever used a specific tech has been 3 months, as long as you've been coding in general for 4 years.