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Growth · Software Engineer Interview Guide

How to Pass the Layla Software Engineer Interview in 2026

The Layla DNA (TL;DR)

Layla's 'Traveler First' principle drives the entire interview process, seeking individuals who deeply understand user needs in travel planning. The final case study round often involves optimizing a complex itinerary for a specific user persona, requiring candidates to clearly articulate trade-offs in resource allocation and user experience.

The Layla Interview Loop

Your onsite loop will typically consist of 5 rounds.

  1. 1

    Round 1

    Recruiter Screen
    Motivation, role fit, logistics.
  2. 2

    Round 2

    Coding Screen
    LeetCode-medium algorithmic problems under time pressure.
  3. 3

    Round 3

    System Design
    Distributed systems, trade-offs at scale, architecture under constraints.
  4. 4

    Round 4

    Onsite Coding
    LeetCode-hard, debugging, code clarity, edge cases.
  5. 5

    Round 5

    Behavioral / Leadership
    Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of Layla interview outcomes, avoid these common traps:

  • Not considering the time complexity implications of date range queries.
  • Focusing only on the negative outcome without learning.
  • Focusing only on personal career growth without mentioning company or product alignment.
  • Describing a situation where there was no real disagreement.

Test Yourself: Real Layla Questions

Three real prompts pulled from our database.

Type · Algorithmic

Given a list of flight bookings with start and end dates, find the maximum number of overlapping bookings at any given point in time. For example, if bookings are [('2023-01-01', '2023-01-05'), ('2023-01-03', '2023-01-07'), ('2023-01-06', '2023-01-10')], the maximum overlap is 2.

Type · Ownership

Tell me about a time you took ownership of a marketing project or campaign that was facing significant challenges. What was the situation, what did you do, and what was the outcome?

Type · Influence

Describe a situation where you had to influence a colleague or stakeholder who initially disagreed with your perspective or proposal. How did you approach it, and what was the result?

+ many more questions, signals, and worked examples

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Layla Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 20 questions shown

1

Recruiter Screen

1
  1. 1

    Type · Motivation

    Why are you interested in working at Layla, a travel tech company, specifically as a Software Engineer?
2

Coding Screen

3
  1. 2

    Type · Algorithmic

    Given a list of flight bookings with start and end dates, find the maximum number of overlapping bookings at any given point in time. For example, if bookings are [('2023-01-01', '2023-01-05'), ('2023-01-03', '2023-01-07'), ('2023-01-06', '2023-01-10')], the maximum overlap is 2.
  2. 3

    Type · Algorithmic

    Implement a function to find the shortest path between two airports in a network, where airports are nodes and direct flights are edges with associated costs (e.g., flight duration or price). Assume the graph can be large.
  3. + 1 more questions in this round (sign up to unlock)
3

System Design

3
  1. 4

    Type · System Design

    Design a system to recommend personalized travel itineraries to users based on their past trips, preferences, and current trends. Consider scalability for millions of users.
  2. 5

    Type · System Design

    Design a distributed rate limiter for Layla's flight booking API to prevent abuse and ensure fair usage. Discuss trade-offs between accuracy, latency, and complexity.
  3. + 1 more questions in this round (sign up to unlock)
4

Onsite Coding

3
  1. 6

    Type · Algorithmic

    You are given a dataset of user search queries for flights (e.g., 'flights from London to Paris tomorrow', 'cheap flights NYC to LA next week'). Implement a function to parse these queries and extract key entities like origin, destination, dates, and number of passengers. Handle variations and ambiguities.
  2. 7

    Type · Debugging

    A user reports that sometimes their search results for flights are missing, or show incorrect prices. The backend logs show intermittent errors related to cache invalidation and external API calls. Debug this issue. Assume you have access to logs and can reproduce the issue in a staging environment.
  3. + 1 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

10
  1. 8

    Type · Conflict Resolution

    Tell me about a time you had a significant disagreement with a cross-functional partner (e.g., engineer, designer, marketer). How did you approach it, and what was the outcome?
  2. 9

    Type · Ownership

    Tell me about a time you took ownership of a problem that wasn't strictly your responsibility. What was the situation, and what did you do?
  3. + 8 more questions in this round (sign up to unlock)

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Interview tracks at Layla

How Layla's DNA translates across functions. Pick your role.

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