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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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...
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...
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 ...
Detect overlap of two linked lists with cycles
You are given the heads of two singly linked lists headA and headB. Each list may be: - A standard acyclic linked list, or - A cyclic linked list (con...
Find valid split-stay listing combinations
You are building a feature that suggests a split stay: a guest stays in one home for the first part of a trip, then switches to a second home for the ...
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. - ...
Answer cross-team delivery and values questions
You are in a behavioral/values interview. Prepare structured answers (use STAR or similar) for prompts like: 1) Cross-team delivery issue - Describe a...
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...
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 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 API for split-stay combinations
Design an HTTP API for Two‑Listing Split‑Stay Search Context You are building a search service for split stays: when a guest's date range cannot be co...
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 split-stay combinations API
Design an HTTP API for Two-Listing Split-Stay Search Context You are designing search for a travel marketplace that supports split stays across two li...
Generate split-stay pairs efficiently
Given N Airbnb listings, each with available days as integers, and an inclusive requested date range [L, R], return all ordered pairs (X, Y) of distin...
Find max-score path in weighted DAG
You are given a directed acyclic graph (DAG). Each node v has a score w(v). Each directed edge (u→v) has a nonnegative time cost t(u,v). There is a un...
Maximize path score in DAG
Question Given a weighted directed acyclic graph (DAG) where each node v has a score w(v) and each edge (u→v) has a time cost t(u,v), starting from no...
Design and implement an Airbnb wallet
Design an Airbnb-Style Wallet (OOD + Runnable Code) Context You are asked to design an in-app wallet system that supports both guests and hosts. The w...
Design an Airbnb wallet with holds and payouts
System Design: Airbnb-Style Wallet with Ledger, Holds, FX, and Idempotency Context You are asked to design and implement an Airbnb-style wallet system...
Implement prioritized refund allocation engine
Implement a refund allocation function that takes: (a) a list of payments, each with a unique paymentId, method ∈ {CREDIT, CREDIT_CARD, PAYPAL}, ISO-8...