Type · Architecture Trade-offs
Mews is considering migrating parts of its monolithic backend to microservices. What are the potential benefits and drawbacks you foresee, and how would you decide which services to extract first?
How to Pass the Mews Software Engineer Interview in 2026
Growth · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in NetherlandsInterview language: English
The Mews DNA (TL;DR)
Mews's focus on streamlining hotel operations drives interview questions that test a candidate's ability to enhance products like Guest Check-In or optimize the Mews Marketplace. They seek individuals who can articulate solutions with a clear "metric-with-denominator" and justify their rejected trade-offs.
The Mews 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 Mews interview outcomes, avoid these common traps:
- Jumping to conclusions about the cause without systematic investigation.
- Lack of clear request/response structure.
- Describing a generic bug fix instead of a system-level optimization
- Stating they don't actively learn new things.
Test Yourself: Real Mews Questions
Three real prompts pulled from our database.
Type · Motivation
Why are you interested in Mews, and what specifically about our SaaS product for the hospitality industry excites you as a software engineer?
Type · Data Structures
Given a stream of booking events for hotels, design a data structure to efficiently find the number of active bookings for a given hotel within the last hour. Assume bookings have a start and end time.
+ many more questions, signals, and worked examples
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Mews 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 Mews, and what specifically about our SaaS product for the hospitality industry excites you as a software engineer?
2
Coding Screen
3- 2
Type · Data Structures
Given a stream of booking events for hotels, design a data structure to efficiently find the number of active bookings for a given hotel within the last hour. Assume bookings have a start and end time. - 3
Type · Algorithms
Mews needs to recommend add-on services (e.g., breakfast, late checkout) to guests based on their booking details and past behavior. Implement a function that takes a guest's booking information and a list of available add-ons, and returns a ranked list of recommended add-ons. Assume a simple scoring mechanism. - + 1 more questions in this round (sign up to unlock)
3
System Design
4- 4
Type · Scalability
Mews is experiencing rapid growth. How would you design the system to handle a 10x increase in concurrent users accessing the booking engine and managing hotel operations? - 5
Type · Reliability
How would you ensure the Mews booking system remains highly available, even during peak seasons or unexpected outages? - + 2 more questions in this round (sign up to unlock)
4
Onsite Coding
3- 6
Type · Debugging
A customer reports that their hotel's dashboard is showing incorrect occupancy numbers for the past 24 hours. The backend logs show no obvious errors. How would you approach debugging this issue? - 7
Type · Code Clarity & Edge Cases
Implement a function that calculates the total revenue for a hotel for a given month, considering different pricing tiers, discounts applied, and potential refunds. Ensure your code is readable and handles edge cases like months with no bookings or invalid date ranges. - + 1 more questions in this round (sign up to unlock)
5
Behavioral / Leadership
3- 8
Type · Conflict Resolution
When building an integration for a new payment gateway or channel manager, engineers often face friction between prioritizing immediate feature parity and maintaining long-term API stability. Describe a time you advocated for a specific technical path despite pushback from stakeholders who favored a faster, less scalable implementation. How did you balance the business urgency with the technical debt consequences? - 9
Type · Ownership
At Mews, we often see performance degradation in our reporting engine during high-occupancy periods. Tell me about a time you noticed an inefficiency in a core system component that was not assigned to you but was negatively impacting hotel operations. What steps did you take to validate the issue, and how did you ensure the fix was adopted across the relevant team? - + 1 more questions in this round (sign up to unlock)
Unlock all 14 Mews 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 Mews
How Mews's DNA translates across functions. Pick your role.
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Practice Mews interviews end-to-end
Mews Mock Interview
Run a live mock interview with our AI interviewer using Mews-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Mews Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Mews interviewers grade on. Reuse them across every behavioral round.
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Mews Interview Prep Hub
The frameworks behind every Mews round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.
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Interview Frameworks
CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Mews 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 Mews interview questions shows.
Mews is considering migrating parts of its monolithic backend to microservices. What are the potential benefits and drawbacks you foresee, and how would you decide which services to extract first?
A strong answer shows: Understanding of architectural patterns (monolith vs. microservices).; Ability to analyze trade-offs and make informed decisions.; Knowledge of domain-driven design principles..
Why are you interested in Mews, and what specifically about our SaaS product for the hospitality industry excites you as a software engineer?
A strong answer shows: Genuine interest in Mews's domain and product.; Understanding of the SaaS business model.; Alignment with Mews's company values..
Frequently asked questions
How long does the Mews interview process take?
Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.
How should I prepare specifically for Mews?
Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.
Does this apply to engineering or design roles at Mews?
The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.
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