All LPs questions are well covered on different websites. Problem Solving question: Describe how would you approach and organize the process to migrate your customers from current API to a newer API version. Think about requirement questions you would ask to clarify ( business and technical initial situation and goals). Technical/System Design question: image sharing solution (e.g. instagram). Question is an easy one. The most tricky part are additional questions. You should focus on trade-offs (latency, storage, availability, data consistency) in the overall system and specific components.