Senior Backend Engineer (Ruby on Rails) M/F/X at Trustpair · Remote (France)
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Agile
A time you used Agile: the problem, what you did yourself, and what happened.
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Rails
A time you used Rails: the problem, what you did yourself, and what happened.
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Ruby
A time you used Ruby: the problem, what you did yourself, and what happened.
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Scrum
A time you used Scrum: the problem, what you did yourself, and what happened.
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5+ years of experience
How your experience adds up to what they ask for (5+ years), and the parts most like this job.
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Languages: English
Be ready to answer a question or two in that language, and say where you've used it at work.
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5 years of experience
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Ability to conceive the technical design of a complex product feature
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Experience on working on
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a rapidly growing product
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; knowledge of architectural models of large scale web applications
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Experience in API development and knowledge of resilience, scalability and security constraints
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Candidate reports: questions verified applicants typed in their interview reviews on JobRipe, shown as written.
No candidate has shared interview questions for Trustpair on JobRipe yet. Use the job ad and our guide below.
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Our editorial preparation guide: typical questions for the field, not reports from candidates.
Why they ask: Design judgement.
How to answer: Draw it, name the trade-offs, say what you learned.
Why they ask: Debugging method.
How to answer: Measure first, then caching, queries, indexes, async work.
Why they ask: Quality habits.
How to answer: Unit, integration, and what you would not test.
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Why they ask: Rails is named in the posting.
How to answer: One concrete project, one honest lesson.
Why they ask: Ruby is named in the posting.
How to answer: One concrete project, one honest lesson.
Why they ask: Opener to see how you frame your story.
How to answer: Two minutes: current role, one achievement that matches this job, why this company now.
Why they ask: Checks ownership and depth.
How to answer: Use situation, action, result. Quantify the result.
Why they ask: Tests accountability and learning.
How to answer: Pick a real failure, own your part, show the fix and what changed afterwards.
Questions to ask them