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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"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Design a booking system
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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...
How do you conduct a code review exercise?
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Design a group chat system
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Design a banking ledger for deposits/withdrawals
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Design a fast host listing metrics page
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Design a Distributed Key-Value Store
Design a large-scale distributed key-value store similar to a simple NoSQL database. The system should support at least the following operations: - pu...
Design a group chat system
Design a WhatsApp-like group chat system. Core features: - 1:1 and group conversations - Send/receive text messages (assume small payloads) - Group me...
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...
Determine Exact Layover Booking
You are given a layover duration target_hours and a list of experience durations durations, such as [2.0, 3.6], where each number represents the numbe...
Design rental watchlist and notification system
System Design: Rental Listing Watchlist and Availability Notifications Context You are designing a feature for a vacation-rental marketplace where gue...
Describe a cross-functional project you’re proud of
Describe a project you are most proud of, ideally one that required cross-team (cross-organizational or cross-functional) collaboration. Your answer s...
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...
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...
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...
Construct smallest number from I/D pattern
Problem You are given a string pattern consisting only of the characters: - 'I' meaning the next digit is increasing - 'D' meaning the next digit is d...
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...
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...
Maximize tokens from nested crates
You are given n crates, each either locked or unlocked. Each crate i contains: an integer tokens[i]; a list of keys that can unlock other crates; and ...
Implement Text Layout and Query Parsing
This interview note described two coding tasks. 1. Format multiple articles into lines Write a function that takes: - articles: a list of articl...