Which experience has marked you the most? The guide to answering with impact
To answer "Which experience has marked you the most?", choose one relevant professional experience and tell it with the STAR method (Situation, Task, Action, Result), then close with the lesson you drew from it. The recruiter cares less about the event itself and more about what it taught you.
"Which experience has marked you the most?" is an invitation to stand out. A strong answer does more than describe a situation: it demonstrates your skills, highlights concrete results, and shows your ability to learn and grow. It tells the story of your professional development through a single defining moment.

Why does the recruiter ask this question?
Recruiters ask "Which experience has marked you the most?" to uncover your values, your capacity for reflection, your soft skills, and your authenticity. The experience you choose, and how you tell it, reveals far more than a polished, rehearsed pitch.
- Your values and drivers: The experience you choose says a lot about what matters to you. Is it a team success? Solving a complex problem? Pushing your own limits?
- Your ability to learn and reflect: It tests whether you can draw real lessons from your career, not just recount what happened.
- Your behavioural skills (soft skills): Your story can concretely illustrate your leadership, resilience, creativity, or ability to collaborate.
- Your authenticity: This question invites a personal answer, letting the recruiter see past the rehearsed speech.
Recruiter's tip
Do not look for the most impressive experience β look for the one that means the most to you. What matters is not the event itself, but what you took from it and how you tell it.
How to choose the right defining experience
Choose an experience that is relevant to the role, had measurable impact, shows growth, and ends on a positive note. Not all experiences carry equal weight in an interview, so select the one that best demonstrates the qualities the target role requires.
Criteria for a good experience to share
- Relevance to the role: Choose a story that highlights skills or qualities the target position requires.
- Measurable impact: Ideally, the experience produced concrete results, such as a revenue increase, a process improvement, or a crisis resolved.
- Personal or professional growth: It should show a clear before-and-after β genuine development, not just an event.
- A positive arc: Even if it starts with a failure or a challenge, the story must end on a positive note, with a lesson learned.
Types of experiences to consider
- A complex project you delivered: Ideal for demonstrating project management and leadership.
- A crisis or conflict you resolved: Perfect for illustrating composure under pressure and diplomacy.
- A sales win or target you exceeded: Strong for sales and results-driven roles.
- A personal initiative you drove: Shows proactivity and the ability to innovate.
- A failure turned into a lesson: Demonstrates resilience, humility, and the ability to bounce back.
- An intense collaboration: Highlights team spirit and interpersonal skills.
How to structure your answer with the STAR method
Structure your answer with the STAR method: Situation, Task, Action, Result. STAR is the standard framework for behavioural interview answers because it forces a clear narrative arc and a concrete outcome. Spell out your own role in the Action step, and quantify the Result wherever you can.
S β Situation: Describe the context. What was the starting situation? What was the project or problem?
Situation
In my previous role, we were facing a 20% drop in customer satisfaction for our flagship product.
T β Task: What was your mission? What objective did you need to achieve?
Task
My mission was to lead a working group to analyse the causes of dissatisfaction and propose an action plan within three months.
A β Action: What concrete actions did you take? Describe the steps and decisions you made. This is where you need to detail your role.
Action
I organised a series of workshops with the support, product, and sales teams. I then set up a qualitative survey with 200 customers to identify pain points. Based on this, I prioritised three major improvement areas...
R β Result: What were the results? Quantify them as much as possible. And above all, explain what this experience taught you.
Result
Thanks to this plan, we increased the satisfaction score by 15 points in six months. But beyond the figures, this experience taught me the importance of cross-team communication and allowed me to develop a problem-solving methodology that I still use today.
graph TD
subgraph STAR method
A[Situation] --> B[Task];
B --> C[Action];
C --> D[Result];
end
E[Defining experience] --> A;
D --> F[Lesson learned]; Example answers for different profiles
These two STAR examples show how a manager and a technical candidate each turn a defining experience into a structured, results-focused answer. Borrow the structure, not the content, and apply it to your own career.
Defining experience example (Manager)
Defining experience (Manager)
"The most significant experience that marked me was the merger of two teams with very different cultures. (S) The atmosphere was tense and productivity was down. (T) My role was to create new cohesion and a common team identity. (A) I organised individual interviews to understand everyone's concerns, then collective workshops to define new ways of working and a unifying shared project. (R) Within three months, tensions eased and the team exceeded its targets by 10%. I learned that management is above all a human discipline, built on listening and empathy."
Defining experience example (Technical profile)
Defining experience (Technical profile)
"I think of the time our main application suffered a major outage on a Friday evening. (S) Thousands of users were blocked. (T) I had to identify the source of the bug and fix it as quickly as possible. (A) Keeping my calm, I analysed the logs, isolated the problem to a recent update, and developed an emergency patch. I communicated continuously with support to keep them informed. (R) The service was restored within two hours. This experience taught me how to work under high pressure and reinforced the importance of testing processes, which we subsequently improved."
What if I have no significant professional experience?
If you have no major professional experience, draw on internships, university projects, volunteering, or personal projects instead. Recent graduates and career changers can answer this question just as well, because the recruiter is assessing your ability to learn and reflect, not the scale of the event itself.
1. Make the most of your non-professional experiences
- Internships and work placements: Even short ones are a goldmine. Apply the STAR method to your tasks and achievements.
- University projects: A group project, a dissertation, a student competition β highlight your role, the challenges you faced, and the skills you developed.
- Volunteering: Event management, team coordination, fundraising β these are genuinely formative experiences.
- Personal projects: A blog, a portfolio, an app you built β these demonstrate your passion and initiative.
2. Focus on transferable skills
Identify the soft skills you developed through these experiences that are relevant to the target role: teamwork, organisation, problem-solving, communication, independence, creativity.
3. Show your motivation and potential
Explain what you learned from these experiences and how they prepared you for the challenges of the role. Highlight your appetite for learning and your ability to commit.
There are no small experiences!
Every experience, whether professional, associative, or personal, is an opportunity to demonstrate your skills and personality. What matters is how you present it and the lessons you draw from it.
Mistakes not to make
Avoid four common mistakes: picking an over-personal experience, rambling without structure, skipping the lesson learned, and exaggerating. The lesson learned is the single most important element for the recruiter.
- Choosing an experience that is too personal or unprofessional.
- Going on too long or getting lost in detail. Stay concise and follow your structure.
- Not explaining what you learned. This is the point that matters most to the recruiter.
- Lying or exaggerating. Stay authentic. Honesty is always appreciated.
- Saying "I don't know" or "No experience has really marked me." This makes you look like a passive candidate who lacks perspective.
Your story, your strength
The question "Which experience has marked you the most?" rewards a relevant story, a clear STAR structure, and an explicit lesson learned. Together, these three elements turn a simple answer into a strong demonstration of your skills and potential. It is your story β make it count.
Related Articles for Your Interview Preparation
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- Tell me about a challenge you faced and how you overcame it
- Tell me about a situation where you had to solve a complex problem
FAQ
How do I answer "Which experience has marked you the most?"
Pick one relevant professional experience and tell it with the STAR method: Situation, Task, Action, Result. Spend most of the time on your own actions and the measurable result, then end with the concrete lesson you carried forward. The lesson matters more than the event.
Should the experience be a success or can it be a failure?
It can be either, as long as it ends on a positive note. A failure turned into a lesson demonstrates resilience and humility, which recruiters value. The key is showing what you learned and how it changed the way you work.
What if I am a recent graduate with no major experience?
Use an internship, a university group project, volunteering, or a personal project. Apply the STAR method exactly as you would to a professional experience, and highlight transferable skills such as organisation, collaboration, or problem-solving.
How long should my answer be?
Aim for around two minutes. Keep the Situation and Task brief, spend most of your time on the Action and Result, and finish with one clear lesson. Rambling or losing the structure is one of the most common mistakes.
Practice now
The best way to perfect your story is to practise. Use our AI interview simulator to test your answer and get tips to make it even more impactful.
Put it into practice
Apply the advice from this article with the free Epimoni tool: Start the interview simulator