Round 3 - Design an approval workflow system (some requirements/constraints were given). Also asked to write code snippets for some cases.
Sigiloso
The key in these questions is to cover the fundamentals, and be ready for the back-and-forth with the interviewer. Might be worth doing a mock interview with one of the PayPal or ex-PayPal MTS1 Software Engineer experts on Prepfully? They give real-world practice and guidance, which is pretty helpful. prepfully.com/practice-interviews