Type · motivation
Why are you interested in working at Iberia, specifically within our technology team, and what aspects of the travel industry excite you?
How to Pass the Iberia Software Engineer Interview in 2026
The Iberia DNA (TL;DR)
Iberia's 'Operational Excellence' principle drives the evaluation, seeking candidates who can enhance the reliability of flight operations and passenger journey across Iberia.com and the Iberia Plus program, demonstrating clear impact with metrics-with-denominators.
The Iberia 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 Iberia interview outcomes, avoid these common traps:
- Implementing a basic graph traversal without considering edge weights (prices).
- Inefficient sorting or searching of flight data, leading to poor time complexity.
- Providing an answer that lacks concrete data or metrics-with-denominators
- Assuming a direct flight is always available or optimal.
Test Yourself: Real Iberia Questions
Three real prompts pulled from our database.
Type · algorithmic
Given a list of flight bookings (each with a departure and arrival airport code and timestamp), write a function to find the longest layover duration for any given passenger's journey. Assume a passenger takes only one connecting flight.
Type · design
Design a real-time flight status notification system for Iberia. Users should receive immediate updates on delays, gate changes, and cancellations via push notifications and SMS. How would you handle millions of concurrent users and ensure low latency?
+ many more questions, signals, and worked examples
Sign up to unlock the full Iberia grading rubric
Iberia Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 11 questions shown
1
Recruiter Screen
1- 1
Type · motivation
Why are you interested in working at Iberia, specifically within our technology team, and what aspects of the travel industry excite you?
2
Coding Screen
2- 2
Type · algorithmic
Given a list of flight bookings (each with a departure and arrival airport code and timestamp), write a function to find the longest layover duration for any given passenger's journey. Assume a passenger takes only one connecting flight. - 3
Type · algorithmic
Implement a function that takes a list of flight segments (origin, destination, departure time, arrival time) and determines if a traveler can complete a given multi-city itinerary within the specified times. Return the minimum connection time required at each stop.
3
System Design
3- 4
Type · design
Design a system to recommend personalized travel packages (flights + hotels) to Iberia customers based on their past booking history, browsing behavior, and stated preferences. Consider scalability for millions of users and real-time updates. - 5
Type · design
Design a real-time flight status notification system for Iberia. Users should receive immediate updates on delays, gate changes, and cancellations via push notifications and SMS. How would you handle millions of concurrent users and ensure low latency? - + 1 more questions in this round (sign up to unlock)
4
Onsite Coding
2- 6
Type · algorithmic
Given a set of flight routes (origin, destination, price) and a starting airport, find the cheapest way to travel to a target destination, allowing for multiple layovers. You can take multiple flights. Return the minimum cost. - 7
Type · code-quality
Write a function to validate if a given sequence of airport codes represents a valid, continuous travel itinerary. Consider factors like direct flights, layovers, and maximum allowed travel time between segments. Ensure your code is clean, well-tested, and handles edge cases.
5
Behavioral / Leadership
3- 8
Type · past-experience
Tell me about a time you had to debug a particularly challenging production issue. What was the issue, how did you approach it, and what was the outcome? - 9
Type · past-experience
Describe a project where you had to prioritize passenger reliability or system uptime over the rapid deployment of a new feature on Iberia.com. How did you quantify the impact of your stability-focused approach on the Iberia Plus user experience? - + 1 more questions in this round (sign up to unlock)
Unlock all 11 Iberia 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 Iberia
How Iberia's DNA translates across functions. Pick your role.
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Practice Iberia interviews end-to-end
Iberia Mock Interview
Run a live mock interview with our AI interviewer using Iberia-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Iberia Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Iberia interviewers grade on. Reuse them across every behavioral round.
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Iberia Interview Prep Hub
The frameworks behind every Iberia 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 Iberia 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 Iberia interview questions shows.
Why are you interested in working at Iberia, specifically within our technology team, and what aspects of the travel industry excite you?
A strong answer shows: Genuine enthusiasm for travel and technology.; Awareness of Iberia's market position and challenges.; Connection between personal career goals and Iberia's opportunities..
Given a list of flight bookings (each with a departure and arrival airport code and timestamp), write a function to find the longest layover duration for any given passenger's journey. Assume a passenger takes only one connecting flight.
A strong answer shows: Correctly parsing and comparing timestamps.; Using appropriate data structures (e.g., sorting, hash maps) for efficient lookup.; Handling edge cases and providing a clear, well-commented solution..
Frequently asked questions
How long does the Iberia 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 Iberia?
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 Iberia?
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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