Date of offer: Nov 2021\nYOE: 4.8\n\nRecruiter reached out to me on Naukri.\nOA: 2 LC medium don\'t remember the questions.\n\nRound 1: Rough overview on HLD on instagram and few LLD topics. DB choices, sharding, different services and interactions.\n\nRound 2: Coding 2 LC medium, one was based on heap and the other is course schedule.\n\nRound 3: HLD on music service like spotify. Services, API, DB choices, schemas, upload and high traffic uploads are discussed.\n\nRound 4: HM. General discussion about past projects and some DB questions. How do you handle concurrency in wallet transaction in case of events like big billion days. Locks are not optimum since there will huge surge in write methods due to money deposit to merchants.\n\nOffer: https://leetcode.com/discuss/compensation/1858494/sde-backend-grab/1320321

Date of offer: Nov 2021\nYOE: 4.8\n\nRecruiter reached out to me on Naukri.\nOA: 2 LC medium don\'t remember the questions.\n\nRound 1: Rough overview on HLD on