- 1st round was simple 1D dp problem - 2nd round was graph problem (Djikstra's) and ML system design

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• Coding problems seemed more implementation intense, it seems the interviewers have a strong emphasis on writing clean, understandable code. Communication and collaborating with the interviewer also appears important, solving the problem perfectly doesn't seem to be as important as you might expect. One of the system design interviews was walking through a system you developed (I believe system design questions are only asked to lateral/experienced applicants). I was not asked any explicit behavioral questions outside of the typical ones you might expect when retrospecting during the "walk through a system you developed" interview. I am told Jane Street doesn't have behavioral rounds for engineers in general.

  System design

• Coding: A LeetCode-style problem where you need to "flip K most ones" to get the maximum island (likely Max Consecutive Ones III), with a follow-up question asking how to handle it if the island is in a circular array. System Design: Design a system to discard DDoS packets.

  System design

• Design a graph database like Neo4j

  System design · consistency · data-partitioning · distributed-queries

• Design a knowledge graph for search

  System design · data-consistency · data-provenance · entity-resolution