Have you considered using AngelList?
1) Unprofessional -- schedule an interview, then never show up.
2) Unpaid/low salary -- startup interviews you for a founding member role for $35k/year in Boston.
3) Requires deep knowledge -- startup expects you to know everything and have incredible experience about their listed tech.
I'd also prefer sending in my resume over just using their profile template. AngelList seems to rely on having live projects up for showcasing purposes.
* Citation needed