Finished the Pinterest TPM loop two months ago. Ended up declining the offer for comp reasons, but the process itself was good and I want to share what they're actually testing.
Background: I've been a senior PM for 7 years, moved into TPM-adjacent roles more recently. Pinterest was hiring for a senior TPM on infrastructure coordination.
The rounds Recruiter phone screen (30 min) Hiring manager intro (45 min) Technical depth round (60 min) Execution and program design round (60 min) Behavioral / leadership round (45 min) Cross-functional partners round (45 min)
Technical depth For infra-adjacent TPM roles, they want real technical competency. I got questions about distributed systems tradeoffs, how I'd approach a migration with multiple stakeholders, and how I evaluate technical debt payoff. If you're a TPM coming from a product background with light technical depth, this will be the hard round.
Execution and program design This was the most Pinterest-specific round. They gave a scenario: you're coordinating a cross-team initiative that has slipped twice, three eng teams are blocked on different dependencies, and leadership wants a revised timeline by end of week. Walk me through your approach.
They wanted: stakeholder mapping, dependency graph thinking, how you de-risk the schedule without just adding buffer. Good TPM instincts here involve naming the specific risks and showing you can make a call on what to cut versus what to escalate.
Behavioral / leadership Heavier emphasis on influence without authority than most places. Pinterest's eng culture is collaborative and flat-ish. They explicitly asked: "how do you get a senior engineer to prioritize your work over theirs when you have no authority over them?"
Be concrete. Generic answers about "building relationships" don't score well. Name the actual mechanism: shared metrics, visibility with leadership, making the dependency explicit in the project doc, etc.
Cross-functional partners Two people: one from eng, one from product. They ask different flavors of the same questions. Observe how they react to your answers. If the eng interviewer goes quiet when you describe a process decision, note that and address it.
Overall Pinterest's TPM bar is legitimately high. They're not using the role as a project admin.