Type · Data Structures
Implement a Least Recently Used (LRU) cache for storing hotel search results. The cache should have a fixed capacity. When the cache is full and a new item needs to be added, the least recently used item should be evicted.
How to Pass the Booking.com Software Engineer Interview in 2026
The Booking.com Software Engineer interview runs 5 rounds: Recruiter Screen, Coding Screen, System Design, Onsite Coding, and Behavioral / Leadership. Booking.com takes applications through Workday. JobMentis holds 14 Software Engineer questions for Booking.com, last updated October 23, 2026.
Enterprise · Software Engineer Interview Guide
Applies via WorkdayHeadquartered in NetherlandsInterview language: English
The Booking.com DNA (TL;DR)
Booking.com's interview loop heavily scrutinizes candidates' ability to drive product improvements through rigorous A/B testing and data analysis, particularly within their Engineering teams. They seek individuals who can articulate how they've used experimentation to optimize user flows on surfaces like 'Your Booking' and contribute to platform growth, often referencing specific metric-with-denominator examples.
The Booking.com Interview Loop
Your onsite loop will typically consist of 5 rounds.
- 1
Round 1
Recruiter ScreenMotivation, role fit, logistics. - 2
Round 2
Coding ScreenLeetCode-medium algorithmic problems under time pressure. - 3
Round 3
System DesignDistributed systems, trade-offs at scale, architecture under constraints. - 4
Round 4
Onsite CodingLeetCode-hard problems, reasoning about defects, code clarity, edge cases. - 5
Round 5
Behavioral / LeadershipPast evidence of ownership, influence, resolving conflict.
The Danger Zone: Top Reasons Candidates Fail
Based on our database of Booking.com interview outcomes, avoid these common traps:
- Making changes without understanding the root cause, potentially introducing new bugs.
- Failing to propose a compromise or iterative approach
- Lack of fault tolerance and message delivery guarantees.
- Focusing only on the code change rather than the cross-team coordination
Test Yourself: Booking.com Interview Questions
Three questions from the Booking.com bank.
Type · Scalability
Design a system to recommend hotels to users based on their past booking history, search queries, and current location. Consider the scale of millions of users and hotels.
Type · Motivation
Why are you interested in working at Booking.com, and what specifically about our engineering challenges in the travel industry excites you?
+ many more questions, signals, and worked examples
Sign up to unlock the full Booking.com grading rubric
Booking.com publishes its own interview guide
Read it on their siteBooking.com Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 14 questions shown
1
Recruiter Screen
1- 1
Type · Motivation
Why are you interested in working at Booking.com, and what specifically about our engineering challenges in the travel industry excites you?
2
Coding Screen
3- 2
Type · Algorithmic
Given a list of hotel bookings, each with a check-in and check-out date, find the maximum number of rooms occupied at any given time. Assume check-out day is available for new guests. - 3
Type · Data Structures
Implement a Least Recently Used (LRU) cache for storing hotel search results. The cache should have a fixed capacity. When the cache is full and a new item needs to be added, the least recently used item should be evicted. - + 1 more questions in this round (sign up to unlock)
3
System Design
4- 4
Type · Scalability
Design a system to recommend hotels to users based on their past booking history, search queries, and current location. Consider the scale of millions of users and hotels. - 5
Type · Availability
Design a distributed rate limiter for the Booking.com API. It should limit the number of requests a user or an IP address can make within a given time window across multiple servers. - + 2 more questions in this round (sign up to unlock)
4
Onsite Coding
3- 6
Type · Debugging
Root Cause Analysis (Issue Tree + 5 Whys)A user reports that sometimes their search results for hotels in Paris are empty, even though they know hotels are available. Here's a simplified version of the search logic. Debug and fix the issue. - 7
Type · Algorithmic
Implement a function to find the shortest path between two hotels on a map, considering different travel modes (walking, taxi, public transport) with varying costs and times. Assume a graph representation of locations and connections. - + 1 more questions in this round (sign up to unlock)
5
Behavioral / Leadership
3- 8
Type · Ownership
STARDescribe a time when you identified a performance bottleneck or conversion drop in a live production feature, such as the booking confirmation flow, and took full responsibility for the end-to-end fix from investigation to deployment. How did you ensure the fix did not negatively impact downstream inventory systems? - 9
Type · Technical Conflict
When building a feature that required an A/B test, describe a time your proposed implementation strategy conflicted with the requirements of the data science or analytics team regarding tracking granularity. How did you balance the need for high-fidelity data with the performance constraints of the user-facing application? - + 1 more questions in this round (sign up to unlock)
Unlock all 14 Booking.com questions, free
No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.
Interview tracks at Booking.com
How Booking.com's DNA translates across functions. Pick your role.
Booking.com resume and cover letter
Booking.com takes applications through Workday, so Workday parses your resume before a recruiter reads it. Keep the layout plain and describe your skills in the words of the posting. The interviews usually run in English, so send your resume and cover letter in English unless the posting asks for another language. Give each point in the Booking.com DNA above a bullet that proves it.
Check your resume against the Booking.com job posting
Upload your resume with the Booking.com job description to see your ATS score, the keywords you are missing and what to fix before you apply.
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Write your Booking.com cover letter
Drafted from your resume and the Booking.com posting, so it names what you actually did. You edit it before you send it.
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How Workday handles your application
What Workday does with your resume when you apply to Booking.com, and how to format it.
Open
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Practice Booking.com interviews end-to-end
Booking.com Mock Interview
Run a live mock interview with our AI interviewer using Booking.com-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Booking.com Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Booking.com interviewers grade on. Reuse them across every behavioral round.
Open
Booking.com Interview Prep Hub
The frameworks behind every Booking.com round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.
Open
Interview Frameworks
CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Booking.com interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.
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Sample answers
What a strong answer to these Booking.com interview questions shows.
Implement a Least Recently Used (LRU) cache for storing hotel search results. The cache should have a fixed capacity. When the cache is full and a new item needs to be added, the least recently used item should be evicted.
A strong answer shows: Understanding of hash maps and doubly linked lists.; Ability to implement cache eviction policies.; Achieving O(1) average time complexity for get and put operations..
Design a system to recommend hotels to users based on their past booking history, search queries, and current location. Consider the scale of millions of users and hotels.
A strong answer shows: Understanding of distributed systems components (data ingestion, storage, compute, serving).; Knowledge of recommendation system architectures and algorithms.; Consideration of scalability, availability, and latency.; Awareness of trade-offs in different approaches..
Frequently asked questions
How many interview rounds does Booking.com run for Software Engineer candidates?
5 rounds, in this order: Recruiter Screen, Coding Screen, System Design, Onsite Coding, and Behavioral / Leadership.
What does Booking.com look for in Software Engineer candidates?
Booking.com's interview loop heavily scrutinizes candidates' ability to drive product improvements through rigorous A/B testing and data analysis, particularly within their Engineering teams. They seek individuals who can articulate how they've used experimentation to optimize user flows on surfaces like 'Your Booking' and contribute to platform growth, often referencing specific metric-with-denominator examples.
Which applicant tracking system does Booking.com use?
Booking.com takes applications through Workday.
In which language does Booking.com run its interviews?
Booking.com usually interviews in English.
How many Booking.com Software Engineer interview questions does JobMentis hold?
14 questions across the rounds of the Booking.com loop, last updated October 23, 2026.
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