Airbnb Software Engineer Interview Questions
Airbnb Software Engineer interview questions tend to blend practical coding, system design and behavioral storytelling with a strong emphasis on product sense and user impact. What’s distinctive about Airbnb’s loop is the expectation that candidates demonstrate both algorithmic problem solving and the ability to design scalable, user-facing systems—often with interviewer-led tradeoff discussions—and that behavioral answers connect to Airbnb’s product and culture. Interviews typically evaluate coding correctness and clarity, system-architecture reasoning, communication, and how you prioritize reliability, performance, and user experience. Expect a recruiter screen followed by one or more technical screens (live coding or take-home), system-design conversations, and behavioral rounds that probe ownership and collaboration; team-matching conversations are common for senior roles. For interview preparation focus on clean, testable code, articulating tradeoffs in designs, and practicing STAR-style stories tied to measurable impact. Time-box your study: reinforce core algorithms and data structures, rehearse several end-to-end system designs, and prepare 6–8 concise, impact-focused behavioral examples you can adapt during the loop.

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Compute board-game score from regions
You are given a 2D board for a board game. Each cell is encoded like G1 or W0: - The first character is the terrain/area type (e.g., G, W, S). - The d...
Find valid split-stay listing combinations
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Find smallest permutation under constraints
Given a non-negative integer n, consider its decimal digits as a multiset (digits can repeat). 1) Return the smallest possible integer that can be for...
Construct smallest number from I/D pattern
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Simulate pouring water onto terrain
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Design a real-time chat system with hot groups
Design a real-time chat system (similar to an in-app messaging feature) that supports: - 1:1 and group conversations - Real-time delivery over WebSock...
Design a booking system
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Find best downhill ski run from a start
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Compute maze score using shortest path
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Design a banking ledger for deposits/withdrawals
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Find hotel pairs to cover a split stay
You are implementing a simplified “split stay” feature. Problem You are given: - n hotels (or listings), indexed 0..n-1. - For each hotel i, an unsort...
Design a fast host listing metrics page
Design the backend for a host (landlord) listings page. User flow: - Host opens a page showing many of their listings. - Host selects a date range. - ...
Design a group chat system
System Design: Group Chat Design a scalable group chat system (like a basic Slack/WhatsApp group chat). Core features - Users can create groups, join/...
Compute split-stay listing pairs
Given a set of Airbnb listings, each with availability represented as a sorted list of day integers, and a requested inclusive date range [S, E], comp...
Find a split-stay booking across listings
You are implementing a simplified split-stay search. You are given: - A desired trip interval [start, end), where dates are represented as integers (e...
Simulate pouring water onto a 1D terrain
You are given a 1D terrain represented by an integer array heights, where heights[i] is the height of the column at index i. Part 1 — Render terrain W...
Design a scalable notification system
Problem Design a notification system for a company at Airbnb-like scale that can send notifications to different user types (e.g., customers/guests, h...
Design a user activity query system
Problem Design a query system that allows internal consumers (e.g., customer support, risk/fraud, data analysts) to retrieve a given user's search act...
Maximize sum with no adjacent tree nodes
Given the root of a binary tree where each node contains an integer value (can be 0 or positive), choose a subset of nodes such that no selected node ...
Find minimal property set in neighborhood
You are given a list of properties, each Property(id: int, neighborhood: string, capacity: int). Given a targetNeighborhood (string) and groupSize (in...