Airbnb Interview Questions
Practice 108 real Airbnb interview questions for 2026 — Airbnb interview questions drawn from real onsites with detailed solutions. Covers the top categories: Coding & Algorithms, System Design, Behavioral & Leadership, Analytics & Experimentation, and Data Manipulation (SQL/Python). This guide explains what’s distinctive about Airbnb interviews, what teams evaluate (clarity of code, product sense, experimentation rigor, and cross-functional judgment), what to expect in each round, and how to structure your interview preparation to maximize impact. For Software Engineer roles (the majority of questions), expect heavy coding and design: text-layout and query-parsing problems, split-stay/exact-layover booking logic, booking-system and banking-ledger designs, graph/shortest-path puzzles (maze and downhill-run problems), board-game and permutation constraints, plus live code-review exercises. Data Scientists see rigorous experiment and causality work — A/B test design with clustering, browse/booking metric computation in Python and SQL, causal regressions, panel builds, and global-launch impact estimation. Machine Learning Engineers focus on production models like photo/listing quality and minimizing booking edge cases. Backend and PM interviews emphasize marketplace backend design and product metrics. Prep by practicing medium-to-hard algorithms, system design tradeoffs with strong product rationale, and hands-on SQL/Python experiment analyses.

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Design refundable transaction ledger and prioritization rules
Design and implement a transaction ledger that ingests a stream of records where each record is either a payment or a refund. Each payment has {id, us...
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...
Design and assess an A/B test
Experiment Design: New Onboarding Flow to Improve D7 Retention You are testing a new onboarding flow for a consumer marketplace app available on iOS, ...
Implement Connect Four with win detection
Implement a Connect Four game engine. Support a general m×n board (default 6× 7) and a win condition of k in a row (default 4). Provide an API: Connec...
Walk through a project in detail
Walk Through a Significant Project Provide a deep-dive on one impactful project you led or contributed to. Cover: 1. Timeline: Start/end dates and maj...
Simulate pouring water onto terrain
Problem You are given an integer array heights representing a 1D terrain (each index is a column height), an integer V (units of water), and an index ...
Design a dynamic rental pricing system
System Design: ML-Driven Nightly Pricing for Short-Term Rentals Context Design a production ML system that recommends (and optionally auto-sets) night...
Design scalable notification system
System Design: Low-Latency, Multi-Channel Notification Platform You are asked to design a scalable, reliable notification system that can send message...
Design a scalable consumer feature
System Design: Scalable, Privacy-Conscious Recommendations Service for a Consumer App Context You are designing a real-time recommendations service fo...
Lead cross-functional decision without RCT evidence
Behavioral: Ship vs. Rollback After a Global Launch Without a Holdout Context You are a Data Scientist in a consumer marketplace. An important feature...
Implement a reservation widget with pricing
Implement a Lodging Reservation Widget Context You are building a reservation widget for a property details page. The widget must let guests select da...
Design multi-currency pricing end-to-end
System Design: Multi-Currency Price Display and Booking Context You are building a global travel marketplace where guests discover listings, view pric...
Estimate Causal Impact Using Synthetic Control Methods
Estimating Causal Impact After a 100% Rollout (No Holdout) Context A product feature was launched to 100% of traffic simultaneously, so there is no ex...
Describe a flagship project’s architecture and tradeoffs
Behavioral/Leadership: Deep Dive on a Significant Project Context: Onsite software engineering interview. Choose one substantial project you personall...
Compute maze score using shortest path
You are given a grid-based maze game. - The maze is an R x C grid of characters: - '#' = wall (cannot pass) - '.' = empty cell - 'S' = current p...
Describe your role, motivations, and values
Behavioral HR Screen: Self-Introduction, Current Role, Motivation for Change, and Cultural Fit Context You’re in an initial HR screen for a Software E...
Design a multi-channel notification system
System Design: Multi-Channel Notifications (Email, SMS, Push, In‑App) Context Design a notification platform that reliably delivers messages across mu...
Design a hot-listing waitlist API
System Design: Waitlist API for High-Demand Listings Context You are designing a waitlist system for a marketplace that offers date-based inventory (e...
Minimize exact layover bookings
You are given a layover length X in hours and a list of available experience durations, where every value has exactly one decimal place. You want to s...
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...