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How a German PM Prepped for Revolut's Behavioral Interviews
Strong engineers still stall when they have to think and speak English at the same time. He was a product manager in Berlin. The gap was behavioral / STAR — not the technical content.
At a glance
| Role | Product Manager |
|---|---|
| Location | Berlin |
| English challenge | behavioral / STAR |
| Interview problem | Behavioral |
| Target | Revolut |
| Preparation | Live mocks with English feedback on the same answers |
| Outcome | Gained clearer, more confident English for interviews |
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The Interview Problem
Strong engineers still stall when they have to think and speak English at the same time. He was a product manager in Berlin. The next interviews were at Revolut, in English. In the room, behavioral / STAR was what broke down.
Practice this STAR story
Try a locked preview of a behavioral / STAR drill — with English prompts for situation, action, and result.
Sign up to unlock this exercise →What We Practised
Practice matched the round he actually had to speak: behavioral / STAR for Revolut. Each mock got notes on the same answer — where he paused, which words were vague, and where the structure broke.
- Built reusable STAR stories from real work — situation, task, action, result
- Practised answering follow-up questions on the same story instead of switching prompts
- Replaced vague verbs with precise language (decided, shipped, measured)
- Practised giving the result earlier so the interviewer could follow the point
Useful references along the way: STAR interview framework, Pronouncing numbers and metrics.
A Key Change
The shift came on a story he had already told. Follow-up questions used to break it. We kept the same story and practised the follow-ups until the result came early and the action stayed in first person.
Then vs Now
Proof of work — one mock session
| Problem | A follow-up on a STAR story the candidate already knew |
|---|---|
| Old approach | Restarted the timeline and lost the result |
| New framework | Result first, then the action in first person, then one metric |
| Result | The same story survived follow-ups without a new invented plot |
How answers sounded before
“So first the team had a problem, and then we discussed, and then maybe we changed the process…”
How answers sounded after
“The result was a 20% drop in incidents. I changed the on-call handoff. The action was mine; the metric is what the interviewer remembered.”
After the Coaching
Gained clearer, more confident English for interviews. He could explain the work more clearly when questions got hard. That readiness was the goal — not a promised job offer.
Lessons Learned
- Write 5–8 STAR stories from real work. Practise the follow-ups on the same stories.
- Say the result in the first 20 seconds, then the action.
- Use first person for decisions: I decided, I measured, I pushed back.
- Keep answers short. Clear beats a long timeline.
- Practise out loud. Notes on paper do not train retrieval under pressure.
Why Behavioral Interviews Are Difficult in English
A behavioral round asks you to remember an experience, pick the relevant details, structure a story, and still sound natural — all in a second language. You are choosing tenses, names, and numbers while the interviewer asks follow-ups. STAR is useful because it is a spoken order, not a script. Without that order, strong work disappears into a long, unfinished story.
Preparing for a similar path? Read How a Croatian PM Prepped for Revolut's Behavioral Interviews.
Other engineers practising interview English
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Practise your next behavioral interview in English
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Create your Mockly account →Frequently Asked Questions
What English should a product manager learn for interviews?
The language of the round you will face — here, behavioral / STAR. Learn full sentences for that format, not a general business-English course.
How long does it take to feel ready as a product manager?
Many B2+ candidates need several weeks of focused, spoken practice. Weekly mocks beat a last-minute cram.
How do I keep STAR stories short in English?
Lead with the result, then the action you took. Cut the long setup. Practise follow-ups on the same story so you do not invent a new timeline each time.
Can I pass a tech interview if my English isn't fluent?
Yes. Interviewers need to follow your reasoning. A clear structure and the right words matter more than sounding native. This case study is about that gap — not about erasing an accent.
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