Most designers think there's only one way up. Become a manager. Lead the team. Get the title. Cash the check. That's the script. It's also a trap. Last week I sat down with Darshan Gajara to break it apart. Darshan has spent the past decade designing at startups and scaleups, led design at hi.health, and now lives in Berlin building things that actually ship. His latest project, Beanpresso, started as a way to stop buying coffee beans he didn't like twice. His longest-running, Product...