Airbnb Coding Interview Questions
24 coding questions reported by candidates who interviewed at Airbnb, out of 39 Airbnb questions we track. They average 2.9/5 difficulty (medium). Most common topics: Simulation, Hashmap, Object Design, Graph. 24 were reported asked within the last year, most recently in October 2026.
Practice Airbnb questions →Difficulty
- 2/5 — easy4
- 3/5 — medium19
- 4/5 — hard1
Asked for SWE (24), MLE (7)
Reported Airbnb coding questions
In-memory workspace credit system with transfers, scheduling and merge
3/5A multi-level design exercise on an in-memory ledger: workspaces hold credit, money moves instantly or on a timetable, and two workspaces can be folded into one. The core difficulty is keeping time-triggered work correctly ordered, cancellable and consistent whichever operation arrives next, and getting rankings with stable tie-breaking right.
asked October 2026CodingDesignHashmapLayover Experiences — Exact-Fill with Min Count
3/5In this engaging algorithmic puzzle frequently encountered during Airbnb technical screenings, applicants must calculate the fewest possible item selections needed to reach an exact numerical target sum using a given set of repeatable values. This scenario evaluates dynamic programming and backtracking concepts, requiring candidates to handle optimization constraints effectively while avoiding common performance traps. Mastering this challenge sharpens your ability to tackle complex resource allocation dilemmas. Unlock the full problem breakdown and clean model implementation by obtaining a subscription.
asked June 2026Dynamic ProgrammingHashmapMathCode Review — Multi-PR Walkthrough
3/5In this interactive Airbnb interview round, candidates are placed in the role of a reviewer examining multiple pull requests of escalating complexity and architectural depth. You are expected to proactively lead the review, spot subtle logic bugs, highlight maintainability concerns, and suggest missing test coverage without relying on interviewer prompts. This evaluation measures your code craftsmanship, communication clarity, and software design intuition. Read the full walkthrough guide and expert evaluation criteria by securing a paid subscription.
asked June 2026Code ReadingRefactoringPythonChain Booking — Max Cascading Reservations
3/5This Airbnb interview question presents a fascinating cascading reservation puzzle where selecting a single starting point triggers a chain reaction of bookings based on spatial radii. Candidates must model the listings as a graph and determine the optimal initial choice that maximizes the total number of activated nodes through recursive propagation. The challenge assesses advanced graph traversal, connectivity, and optimization skills. Unlock the complete problem requirements and the optimal algorithmic solution by subscribing.
asked June 2026GraphDFSSimulationSmallest Permutation ≥ Lower Bound
3/5Combinatorial generation and boundary constraints form the core of this intriguing algorithmic challenge, which has been featured in technical interviews at Airbnb. The objective is to construct the smallest possible integer string or numerical value using a specified multiset of digits, potentially constrained by a given threshold. This puzzle tests your proficiency with backtracking, permutations, greedy digit selection, and handling edge cases with leading zeros. Access to the complete problem description and optimized model solution requires a subscription.
asked June 2026MathBacktrackingGreedyBoxes, Keys & Candies (OOD)
3/5This Airbnb object-oriented design and traversal puzzle simulates navigating through a nested hierarchy of containers, keys, and rewards. You are tasked with modeling a flexible class architecture while determining the maximum collection possible under lock-and-key constraints. The challenge emphasizes clean domain modeling, recursive graph exploration, and state management in an interview setting. To examine the full problem requirements, architectural guidelines, and complete object-oriented solution, a paid subscription is required.
asked June 2026BFSObject DesignSimulationProperty Combination for Group Size
3/5As a classic onsite interview question from Airbnb, this challenge asks you to select an optimal subset of lodging options that meets a collective visitor capacity requirement. The objective centers on minimizing over-provisioning space while favoring selections composed of fewer individual units when resource totals tie. This task assesses advanced combinatorial search techniques, optimization heuristics, and custom sorting logic. Review the complete scenario and comprehensive model implementation by subscribing to our platform.
asked May 2026BacktrackingOptimizationConnect-4-Style Board Game
2/5Step into this Airbnb interview question where you will program the classic drop-disc strategy game on a grid of configurable dimensions. The task requires managing player turns, simulating gravity so game pieces settle in the lowest available slots, and determining victory conditions across horizontal, vertical, and diagonal alignments. This exercise assesses your object-oriented design skills, matrix manipulation, and state machine logic. Unlock the complete problem breakdown and the clean model solution with a paid subscription.
asked May 2026Object DesignOOP DesignGridLinked-List Intersection With Cycles
3/5This reported Airbnb interview question evaluates your ability to analyze complex pointer structures involving potential loops. You must figure out whether two separate sequences intersect, handling cases where nodes might loop back onto themselves. The challenge tests your mastery of cycle detection algorithms and pointer manipulation techniques under tricky structural conditions. Access to the complete problem breakdown and the optimal reference solution requires a subscription.
asked May 2026Linked ListTwo PointerHashmapMulti-Stream Round-Robin Iterator
3/5Building a custom sequence aggregator that cycles evenly through multiple underlying data sources is tested in this Airbnb interview question. The task requires you to construct a specialized iterator adhering to a strict class layout, fetching elements in an alternating sequence while gracefully bypassing depleted channels. This exercise assesses your command over state management, object-oriented design patterns, and sequential data structures. To view the full problem specification and the verified model solution, a subscription is required.
asked May 2026IteratorObject DesignKey Store With Sum-Dependency Cascades
3/5This Airbnb interview question requires you to build a dynamic key-value storage system capable of handling base assignments alongside dependent variables whose values automatically recalculate whenever their referenced keys change. It tests your graph traversal skills, dependency resolution mechanics, and memoization or propagation strategies for reactive data flows. Gain access to the full problem requirements, architectural patterns, and production-grade solution through our subscription.
asked May 2026HashmapGraphDependency ResolutionURL Query-String Parser
2/5Reported as a practical coding challenge during Airbnb interviews, this task focuses on string parsing and data extraction. Candidates are asked to decode a standard web address parameter string into an organized key-value mapping while properly handling special characters and duplicate keys. This tests your attention to detail and robust string manipulation skills. To unlock the complete problem guidelines and the optimal model solution, a subscription is required.
asked May 2026StringParsingHashmapText Justification — Print as Table
3/5This Airbnb interview challenge focuses on string formatting and layout arrangement, where candidates must transform a collection of text blocks into uniform, bordered table rows with strict boundary limits. The exercise evaluates text parsing abilities, handling word wrap constraints, avoiding orphaned punctuation, and formatting output cleanly. Programmers need to carefully manage spacing and constraints without splitting individual words across boundaries. Unlocking the complete exercise instructions along with an expert code solution requires a paid subscription.
asked May 2026StringString ProcessingSimulationMenu — Minimum Cost to Cover Wanted Items
3/5This Airbnb interview question explores combinatorial optimization and subset selection strategies to solve a budget-minimization puzzle. Given a catalog of overlapping product bundles with individual price tags, your objective is to select the most cost-effective combination of packages that entirely satisfies a specified collection of desired items. The challenge tests your proficiency with dynamic programming or search algorithms under constrained input sizes. Reviewing the complete problem context, constraints, and algorithmic solution demands an active subscription.
asked May 2026BitmaskDynamic ProgrammingSetRefund Waterfall Across Payment Methods
3/5Simulate complex financial transaction logic with this Airbnb interview puzzle regarding refund distributions. Candidates must allocate refund amounts across historical payment records by prioritizing specific funding methods and chronological recency rules. This exercise evaluates custom sorting criteria and precise state management. Unlock the complete problem walkthrough and optimal code solution by subscribing.
asked April 2026ArraySimulationGreedyAccount Merge / User Deduplication
3/5This identity consolidation problem was featured in an Airbnb coding interview, focusing on duplicate detection across multi-attribute user records. You need to design an algorithm that processes registration streams sequentially, linking profiles that share common identifiers while preserving the original owner. The exercise evaluates graph connectivity concepts and state tracking proficiency. Unlock the full problem details and efficient reference solution by subscribing.
asked April 2026GraphUnion FindHashmapBoard Score — Connected Areas × Crowns
3/5This Airbnb coding interview question requires calculating an aggregate score for a grid containing multi-attribute tiles encoding category types and value weights. Candidates must identify maximal connected components of identical terrain types, aggregate internal point distributions, and compute a final metric based on region size and cumulative values. Reviewing the complete problem details, graph traversal strategies, and the verified model solution requires an active platform subscription.
asked March 2026GridBFSDFSSki Path — Max Score on a Weighted DAG
3/5This Airbnb interview question requires finding the optimal traversal path on a weighted directed acyclic graph to maximize cumulative rewards while minimizing associated costs. You will practice pathfinding algorithms tailored for graphs with node rewards and edge weights leading to multiple potential destinations. The problem tests dynamic programming on DAGs, topological sorting, and path reconstruction techniques. The full problem statement, test scenarios, and verified model solution require a subscription.
asked March 2026Dynamic ProgrammingGraphTopological SortSplit Stay: Two-Listing Date Coverage
2/5This engaging algorithmic puzzle, inspired by Airbnb interview processes, explores the logistics of combining two separate accommodations to entirely cover a requested travel duration. You will process calendar availability intervals for multiple listings to identify valid split combinations where one property handles the initial segment and another seamlessly picks up the remaining contiguous days. The task tests your ability to handle interval merging, date parsing, and efficient pairing logic. Get full access to the complete problem definition and verified solution through a subscription.
asked February 2026Terrain Rendering + Water Drop Simulation
3/5This engaging coding challenge, reported from an Airbnb interview, tests your ability to handle two-dimensional grid simulations and text-based rendering. The first part requires generating a visual text representation of elevation profiles based on numerical input. The second part introduces fluid dynamics where you must calculate how liquid disperses, flows downward, and accumulates in depressions. Candidates must carefully manage boundary conditions and matrix manipulation. To explore the complete problem statement, optimal algorithms, and verified code solutions, a paid subscription is required.
asked February 2026ArraySimulationGridReview — Token Tagging / Replacement
3/5This Airbnb interview question tests your ability to scan a text block for specific multi-word tokens and wrap them with designated labels while performing case-insensitive matching and preserving original capitalization. It is an excellent test of string parsing, pattern identification, and text transformation techniques. To view the complete prompt, formatting rules, and an optimal solution, a subscription is required.
asked February 2026StringTrieString ProcessingBanking — Deposit / Withdraw / Transaction / Balance
2/5This reported Airbnb interview problem challenges you to design a robust financial account ledger supporting deposits, withdrawals, balance lookups, and historical range queries. You will need to implement efficient data structures to handle chronological operations quickly while preventing overdrafts. This exercise evaluates your ability to manage state and optimize temporal range lookups under strict constraints. Access the complete problem description and expert model solution with a subscription.
asked February 2026Object DesignData StructureBinary SearchImplement Retryer
3/5Designing robust fault-tolerant mechanisms is a crucial object-oriented programming task often evaluated during technical interviews at Airbnb. This challenge focuses on building a customizable execution wrapper that gracefully handles transient failures by applying configurable delay policies and exception filters. You will explore architectural patterns that allow for pluggable waiting strategies, such as linear or exponential intervals, while maintaining clean separation of concerns. Access to the full problem requirements, design patterns, and complete model solution requires a paid subscription.
asked December 2025Object DesignOOP DesignIdempotencyIn-Memory SQL Database
4/5This open-ended Airbnb coding interview requires you to design and implement a simplified relational database from scratch, supporting table creation, data insertion, and conditional querying. The prompt deliberately leaves room for ambiguity, testing your ability to clarify requirements, establish a solid minimum viable product, and handle stretch goals like indexing or filtering. Architectural vision and clean code organization are paramount for success. The full problem and model solution require a subscription.
asked November 2025Object DesignIn Memory DatabaseSchema Design
Airbnb coding interview FAQ
- What coding questions does Airbnb ask?
- 24 reported coding questions, most often on Simulation, Hashmap, Object Design, Graph, Dynamic Programming.
- How hard is the Airbnb coding interview?
- The reported coding questions average 2.9 out of 5: 4 at 2/5, 19 at 3/5, 1 at 4/5.
- Are these Airbnb coding questions recent?
- The most recent report is from October 2026, and 24 were reported within the last twelve months. Dates come from the interview reports themselves.