Side note -- I know a lot of early YC startups like to play things fast and loose, but you really should compensate your engineers for after-hours emergencies if they are already working 40 hour weeks. Morally and employee-retention-wise it's the obvious thing to do, but beyond that in certain states and jurisdictions you can easily run afoul of local labor laws if you try to require employees to do things outside of…
What I find interesting is that if you give employees a choice of 100 units of currency per year as salary plus 1 unit of currency for each week on call with an expectation of 1 week on call every four weeks versus 115 units of currency for the year with the same on-call expectations, some employees will feel better about the first arrangement and some will feel better about the second arrangement. Some people want t…
If you don't trust your employer not to abuse the second arrangement then you'd be a fool to accept it. With the first arrangement the employer is incentivised not to exceed the agreed upon expected number of on-call weeks because they are financially penalised for additional on-call time. With the second arrangement the employer can demand as much on-call time as they think they can get away with.
It's really a case of if you expect your relationship with your employer to be in some way adversarial - if you trust your employer not to screw you than go ahead, but you can't necessarily reliably make that judgement going into a new job.