At least in Germany I'd be careful to use your project because a declined applicant could sue the company for age discrimination [1].
EDIT: I'm not saying it's a bad idea. I just would think about rephrasing the wording on your website e.g that you are looking for "geeks with at least 15 years of experience". IANAL but I guess that could be ok from legal view.
EDIT: I'm not saying it's a bad idea. I just would think about rephrasing the wording on your website e.g that you are looking for "geeks with at least 15 years of experience". IANAL but I guess that could be ok from legal view.
[1] http://www.antidiskriminierungsstelle.de/SharedDocs/Download...