1 Phone screen Technical interview. On-Site Interviews (4 Rounds) Round 1 - Team Manager Basic architecture of the product was explained. And intermittently knowledge about various technologies were gauged. Round 2 - Senior Engineer in the Team (Pair programming) Java coding, MongoDB querying, OOPs principles. Round 3 - Manager from another Engineering Team at the Company. Whiteboard coding question + Deep-dive into multi-threading and synchronization. Round 4 - Director Everything asked by the previous people will be touched upon again.