Hebbia

A 30-minute recruiter call, a 45-minute coding screen and a 45-minute system design screen, then a full day in the New York office building an app from a set of requirements and demoing it to the team, and a short final call with the CEO.

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  Design a multi-agent document search and visualization productAI systemDesign a product in which several AI agents work together to search a large collection of documents and present what they find visually. Cover how the work is split among agents…

  Last asked Jun 2026Were you asked this too?
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  Generalized tic-tac-toe with k in a rowCodingDesign a two-player Tic-Tac-Toe game on a board with n rows and m columns. A player wins by placing k of their own marks consecutively in one line: horizontal, vertical, diagonal…

  Last asked Jun 2026Were you asked this too?
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  Design an LLM chat over SEC filingsAI systemDesign a chat assistant that answers analysts' questions from SEC filings. Cover ingesting and parsing the filings, chunking and indexing long documents with tables, retrieval…

  Last asked Jun 2026Were you asked this too?
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  Ultimate tic-tac-toeCodingImplement ultimate tic-tac-toe: a 3x3 grid of 3x3 boards where each move directs the opponent to a specific sub-board, with meta-board win detection. Reported on 1point3acres'…

  Last asked May 2026Were you asked this too?
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  Cache with a snapshot printerCodingBuild a cache much like an LRU cache, with one extra function, snapshot(cache), that prints the cache's current contents in order. A second part builds on it with a compressed…

  Last asked Feb 2026Were you asked this too?
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  Design a multi-agent chat backendAI systemThe interviewer demos a ChatGPT-style product, then asks you to design its backend: a harness in which several agents work on one user request. Cover how a request is planned and…

  Last asked Feb 2026Were you asked this too?