On this page
By Mockly English · Last updated:
How a Croatian PM Prepped for Revolut's Behavioral Interviews
Strong engineers still stall when they have to think and speak English at the same time. She was a product manager in London. The gap was behavioral / STAR — not the technical content.
At a glance
| Role | Product Manager |
|---|---|
| Location | London |
| English challenge | behavioral / STAR |
| Interview problem | Behavioral |
| Target | Revolut |
| Preparation | ~8 weeks |
| Outcome | Built stronger interview English after earlier unsuccessful rounds |
Land your dream tech job. In English.
Practice technical, behavioral & system design interviews with interactive lessons and native-speaking coaches
500+ tech pros preparing for global roles
The Interview Problem
Strong engineers still stall when they have to think and speak English at the same time. She was a product manager in London. Day-to-day work used crypto / web3. The next interviews were at Revolut, in English. She had already been through an earlier interview round. In the room, behavioral / STAR was what broke down.
Before and After
Before coaching
- Reached for words mid-answer and translated from a first language
- Stories ran long and lost the result
After coaching
- Retrieved a small set of precise terms instead of long approximations
- STAR stories with a clear action and a result said early
What We Practised
Practice matched the round she actually had to speak: behavioral / STAR for Revolut. Each mock got notes on the same answer — where she 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 useful change followed an earlier interview round. She stopped treating English as extra polish. The next mocks used the same format that had failed. Answers got a fixed order so follow-ups did not knock her off track.
What to Practise
- Treat a failed round as data. Rebuild that exact format out loud.
- 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.
What Changed
Built stronger interview English after earlier unsuccessful rounds. She could tell a clearer story after an earlier interview round. Readiness — not a promised offer — was the goal.
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 German PM Prepped for Revolut's Behavioral Interviews.
Preparation Timeline
| Prep timeline | ~8 weeks |
|---|---|
| Focus | Behavioral · Interview English · Case Interview |
| Target | Revolut |
The interview process
| Earlier round | Unsuccessful — an earlier interview round |
|---|---|
| Target | Revolut — behavioral / STAR |
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 →Other engineers practising interview English
Mockly was a huge help in preparing for my interviews. We worked on both technical and behavioral questions, and I received great advice on how to approach them and what to focus on. I feel significantly more confident as a result. They also helped me with my CV and cover letter — showing me how to structure them properly and highlight my strengths. I appreciate that they always ask how you’d like to structure your sessions and adjust to your goals. It keeps you on track and makes the whole process far more effective.
Mockly knows what it takes to get hired. The preparation covers behavioral, algorithm, and system design interviews thoroughly — with real expertise in the STAR method, LeetCode, and Alex Xu’s system design frameworks. And when it comes to English and communication skills, the native-speaking mentors make all the difference.
Practise your next behavioral interview in English
No card required. Start with a 7-day free trial — a lesson, a mock interview, or both.
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?
This plan ran about ~8 weeks. Keep mocks weekly so the structure stays automatic.
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.
Similar case studies
How a German PM Prepped for Revolut's Behavioral Interviews
Explaining STAR stories while an interviewer watched was the hurdle. This PM trained that skill for Revolut — no offer claimed.
How a PM From Russia Prepped for English Interviews
A Russian PM knew the work. Live English — STAR stories — was where interviews stalled. Here's the practice that changed the delivery.
More case studies
Related resources
Case studies are illustrative, based on patterns from real coaching sessions.