One of the first things Butterfield wants to know about when interviewing candidates for a position isn’t which programming languages they know or where their computer science degree is from. It’s whether they believe luck played a role in getting them where they are—whether they think their success is a product not just of merit and talent, but of good circumstances. His goal is simple: to build a team where people don’t assume they’re special. No rock stars, no gurus, no ninjas—just people who bring a combination of expertise, humility, and empathy.

