Salary and bonus system. Rules on code ownership and individual OS contributions. (do they think they own that) Option of working from home when you need to do something that would otherwise require 1 day off. Work assignment: do you get tasks from small team pm, or 30 different people with different priorities. Work system: everyone does their thing, or are you working in a group of N. What kind of tasks you get assigned: month long projects, or small bits.