How long does the Iliad / Free 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 Iliad / Free?

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 Iliad / Free?

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.

Why are you interested in product management at Iliad/Free, and what specifically about the telecom industry excites you?

Type: motivation. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Freebox Delta is one of Iliad's flagship products. How would you improve the user experience for customers who primarily use it for streaming high-definition content and online gaming?

Type: product improvement. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

We've just launched a new feature for the Free mobile app that allows users to easily switch between mobile plans. What are the key metrics you would track to determine its success, and why?

Type: metrics definition. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Customer support is reporting a sudden spike in complaints about slow mobile data speeds in Paris. How would you investigate the root cause?

Type: root cause analysis. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Estimate the total addressable market (TAM) for 5G fixed wireless access (FWA) services in France for residential customers over the next 5 years.

Type: market sizing. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

How should Iliad position its Free brand against competitors like Orange, SFR, and Bouygues Telecom in the ultra-competitive French mobile market?

Type: competitive analysis. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Other roles at Iliad / Free:Product Manager Software Engineer Sales Marketing

Enterprise · Tech Interview Guide

How to Pass the Iliad / Free Product Manager Interview in 2026

The Iliad / Free DNA (TL;DR)

Iliad / Free values candidates who demonstrate a strong entrepreneurial spirit, technical prowess, and a drive to disrupt markets with innovative, cost-effective solutions. They seek individuals who are autonomous, customer-focused, and can thrive in a lean, fast-paced environment.

English original + your local-language translation

Tech and global multinational interviews are most often conducted in English. For industries like luxury, finance, or pharma, the working language may be local. We show every question in English first — alongside your local-language translation — so you can prep in whichever language your interviewer ends up using.

The Iliad / Free Interview Loop

Your onsite loop will typically consist of 4 rounds.

1
Round 1
Recruiter Screen
Motivation, basic fit, logistics.
2
Round 2
Product Sense / Design
Customer empathy, creativity, structured design thinking.
3
Round 3
Analytical / Execution
Metrics definition, root-cause debugging, A/B testing.
4
Round 4
Strategy / Estimation
Market sizing, competitive positioning, business trade-offs.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of Iliad / Free interview outcomes, avoid these common traps:

Giving a generic answer about wanting to build products without connecting it to Iliad/Free's mission or the telecom space.
Describing a situation where they simply followed instructions rather than taking initiative.
Designing a plan that's too generic and doesn't address the specific needs of gig workers (e.g., unpredictable data usage, need for reliable connectivity during work hours).
Focusing only on vanity metrics like 'feature adoption rate' without linking it to business outcomes like plan upgrade/downgrade frequency or customer satisfaction.

Test Yourself: Real Iliad / Free Questions

Three real prompts pulled from our database.

Type · A/B testing

We are considering offering a 'data rollover' feature for our mobile plans. How would you design an A/B test to evaluate the impact of this feature on customer retention and ARPU?

Type · conflict resolution

Tell me about a time you had a significant disagreement with an engineer or designer about a product decision. How did you approach it, and what was the outcome?

Type · product design

Imagine we want to launch a new mobile plan targeting gig economy workers (e.g., delivery drivers, freelance consultants). Design this plan, including key features, pricing, and how we'd measure success.

+ many more questions, signals, and worked examples

Unlock the rubric →

Iliad / Free Interview Question Bank

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

7 of 19 questions shown

Recruiter Screen

1
Type · motivation
Why are you interested in product management at Iliad/Free, and what specifically about the telecom industry excites you?

Product Sense / Design

2
Type · product design
Imagine we want to launch a new mobile plan targeting gig economy workers (e.g., delivery drivers, freelance consultants). Design this plan, including key features, pricing, and how we'd measure success.
3
Type · product improvement
Freebox Delta is one of Iliad's flagship products. How would you improve the user experience for customers who primarily use it for streaming high-definition content and online gaming?
+ 1 more questions in this round (sign up to unlock)

Analytical / Execution

4
Type · metrics definition
We've just launched a new feature for the Free mobile app that allows users to easily switch between mobile plans. What are the key metrics you would track to determine its success, and why?
5
Type · root cause analysis
Customer support is reporting a sudden spike in complaints about slow mobile data speeds in Paris. How would you investigate the root cause?
+ 1 more questions in this round (sign up to unlock)

Strategy / Estimation

6
Type · market sizing
Estimate the total addressable market (TAM) for 5G fixed wireless access (FWA) services in France for residential customers over the next 5 years.
7
Type · competitive analysis
How should Iliad position its Free brand against competitors like Orange, SFR, and Bouygues Telecom in the ultra-competitive French mobile market?
+ 1 more questions in this round (sign up to unlock)

Unlock the full Iliad / Free question bank

Free signup, no credit card. You get every question + the framework, grading signals, and worked answer for each.

Unlock all questions →

Interview tracks at Iliad / Free

How Iliad / Free's DNA translates across functions. Pick your role.

PMs at Iliad / Free must show a deep understanding of telecom products, an ability to innovate like the Freebox, and a strong focus on user experience and market disruption. They look for strategic thinkers who can drive product vision in a competitive landscape.

A/B testing

We are considering offering a 'data rollover' feature for our mobile plans. How would you design an A/B test to evaluate the impact of this feature on customer retention and ARPU?

conflict resolution

Tell me about a time you had a significant disagreement with an engineer or designer about a product decision. How did you approach it, and what was the outcome?

+ 1 more

Unlock the Product Manager grading rubric for Iliad / Free

See full Product Manager guide