Sofia-based I Senior Product Engineer at Infinite Lambda · Remote (Bulgaria)
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Read from this job's ad: what it asks for, so you can prepare one real example for each.
dbt
A time you used dbt: the problem, what you did yourself, and what happened.
From the ad's requirements
Go
A time you used Go: the problem, what you did yourself, and what happened.
From the ad's requirements
Java
A time you used Java: the problem, what you did yourself, and what happened.
From the ad's requirements
Python
A time you used Python: the problem, what you did yourself, and what happened.
From the ad's requirements
5+ years of software engineering, including end-to-end ownership of a production component. We assess level on demonstrated scope, so treat
An example from your own work that shows this.
From the ad's requirements
Daily, fluent use of Claude Code, Cursor or equivalent, including running agents asynchronously and writing the rules, skills and tests that
An example from your own work that shows this.
From the ad's requirements
Has written specs that other engineers or agents implemented against.
An example from your own work that shows this.
From the ad's requirements
Clear written English. Comfortable working directly with delivery teams and client engineers.
An example from your own work that shows this.
From the ad's requirements
The following
An example from your own work that shows this.
From the ad's requirements
soft skills
An example from your own work that shows this.
From the ad's requirements
Candidate reports: questions verified applicants typed in their interview reviews on JobRipe, shown as written.
No candidate has shared interview questions for Infinite Lambda 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: dbt is named in the posting.
How to answer: One concrete project, one honest lesson.
Why they ask: Go 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