Type · Product Pitch
Imagine you're pitching Duffel's API to a mid-sized online travel agency (OTA) that currently uses a fragmented system of airline direct connects and GDS. Pitch them on why they should integrate with Duffel.
How to Pass the Duffel Sales Interview in 2026
Growth · Sales Interview Guide
Sign up to see ATSHeadquartered in United KingdomInterview language: English
The Duffel DNA (TL;DR)
Duffel's core focus on simplifying travel APIs means interviews probe for your ability to tackle complex domains like "Flights Build" and "Search Book Ancillaries Order". They assess your capacity for structured problem deconstruction and delivering robust, scalable solutions, often through detailed discussions of technical decisions.
The Duffel Interview Loop
Your onsite loop will typically consist of 5 rounds.
- 1
Round 1
Recruiter ScreenMotivation, territory fit, logistics. - 2
Round 2
Sales Pitch / DemoPitching the company's product to a mock prospect. - 3
Round 3
Deal StrategyPipeline management, multi-stakeholder navigation, MEDDIC qualification. - 4
Round 4
Customer DiscoveryAsking diagnostic questions, surfacing pain, qualifying. - 5
Round 5
Behavioral / LeadershipPast evidence of ownership, influence, resolving conflict.
The Danger Zone: Top Reasons Candidates Fail
Based on our database of Duffel interview outcomes, avoid these common traps:
- Focusing too much on technical features of the API without translating them into business benefits for the OTA.
- Focusing only on the disagreement and not on the steps taken to build consensus or influence the other party.
- Generic answers about liking travel without specific connection to Duffel's value proposition.
- Treating all leads as equal regardless of their technical maturity
Test Yourself: Real Duffel Questions
Three real prompts pulled from our database.
Type · Ownership
Tell me about a time you took ownership of a project or task that was outside your direct responsibility, and what was the outcome?
Type · MEDDIC Qualification
Walk me through how you would apply the MEDDIC framework to qualify a potential enterprise client for Duffel. Give specific examples for each letter.
+ many more questions, signals, and worked examples
Sign up to unlock the full Duffel grading rubric
Duffel Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 13 questions shown
1
Recruiter Screen
1- 1
Type · Motivation
What interests you about working in sales for a travel tech company like Duffel, and what do you know about our specific market position?
2
Sales Pitch / Demo
3- 2
Type · Product Pitch
Imagine you're pitching Duffel's API to a mid-sized online travel agency (OTA) that currently uses a fragmented system of airline direct connects and GDS. Pitch them on why they should integrate with Duffel. - 3
Type · Objection Handling
During your pitch, the OTA manager says, 'We're concerned about the reliability and uptime of a single API provider. What guarantees do you have regarding Duffel's service level agreements (SLAs)?' - + 1 more questions in this round (sign up to unlock)
3
Deal Strategy
3- 4
Type · Pipeline Management
Duffel has a wide spectrum of potential users, from small travel startups building their first app to large global OTAs. How do you segment your outreach and prioritize your pipeline when balancing the high-volume, quick-win nature of small developers against the complex, long-cycle integration requirements of enterprise travel players? - 5
Type · MEDDIC Qualification
Walk me through how you would apply the MEDDIC framework to qualify a potential enterprise client for Duffel. Give specific examples for each letter. - + 1 more questions in this round (sign up to unlock)
4
Customer Discovery
3- 6
Type · Diagnostic Questions
A potential client, a travel management company, mentions they are looking to 'improve their booking experience.' What are the first 5 diagnostic questions you would ask to understand their specific needs and pain points? - 7
Type · Surfacing Pain
The client says, 'Our current system is just slow.' How do you dig deeper to understand the *business impact* of this 'slowness'? - + 1 more questions in this round (sign up to unlock)
5
Behavioral / Leadership
3- 8
Type · Ownership
Tell me about a time you took ownership of a project or task that was outside your direct responsibility, and what was the outcome? - 9
Type · Influence
Describe a situation where you had to persuade a skeptical colleague or stakeholder to adopt your point of view or approach. How did you do it? - + 1 more questions in this round (sign up to unlock)
Unlock all 13 Duffel 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 Duffel
How Duffel's DNA translates across functions. Pick your role.
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Practice Duffel interviews end-to-end
Duffel Mock Interview
Run a live mock interview with our AI interviewer using Duffel-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Duffel Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Duffel interviewers grade on. Reuse them across every behavioral round.
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Duffel Interview Prep Hub
The frameworks behind every Duffel 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 Duffel 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 Duffel interview questions shows.
Imagine you're pitching Duffel's API to a mid-sized online travel agency (OTA) that currently uses a fragmented system of airline direct connects and GDS. Pitch them on why they should integrate with Duffel.
A strong answer shows: Ability to articulate value proposition clearly.; Understanding of the OTA business model and its challenges.; Confidence and persuasive communication..
Tell me about a time you took ownership of a project or task that was outside your direct responsibility, and what was the outcome?
A strong answer shows: Proactiveness.; Accountability.; Problem-solving initiative.; Results-orientation..
Frequently asked questions
How long does the Duffel 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 Duffel?
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 Duffel?
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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