I think this is a great idea. I've come up with this problem in the past not being a technical person myself. Especially when vetting out new hires early on. In the past I've worked in organizations that have their own internal testing but those are often baselined against the person who originally wrote them. The great thing with your service is that you could also, once you've gained traction, normalize the data and create "the" benchmark to score testers. You can even splice by geographic region, etc. You could go further once you establish your service as the "industry" standard allow programmers themselves self-test and post (show off) their scores on resumes, linkedin, github, etc. in effect quantifying their qualifications. Could even explore a partnership with CodeAcademy downstream. What you need to do now is get some validation, a way to say your tests are sufficient and/or above average. Then you need to go to market and drive awareness, lots of outlets to seed this. I'd be happy to bounce some ideas with you. Would you mind checking out my app too? www.whisper.me thanks