Senior Backend Engineer Interview Questions

2,034 senior backend engineer interview questions shared by candidates

Behavioural questions on my last working experience (stack holder interaction, project ownership, planning and delivery). Several questions on code challenge solution that I provided, focusing on RDBMS (isolation level, concurrency, locks).Interviewers were (in my case) experienced Qonters (>4 years tenure).
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Senior Backend Engineer

Interviewed at Qonto

4.3
May 5, 2025

Behavioural questions on my last working experience (stack holder interaction, project ownership, planning and delivery). Several questions on code challenge solution that I provided, focusing on RDBMS (isolation level, concurrency, locks).Interviewers were (in my case) experienced Qonters (>4 years tenure).

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