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Senior Software Engineer Interview Experience - Ireland

October 1, 2025
Positive ExperienceNo Offer

Process

Recruiter phone interview, a technical screen, then multiple technical interview rounds. I've gone through non-concurrent programming, concurrent programming, algorithms, and the design one. I didn't make it to the behavioral and final interviews.

The process is well explained, and I even got feedback afterward.

Questions

Concurrent interview: design a concurrent expiring queue

Algorithms: K-sum (given an array of numbers, a target sum, and K, find K elements of the array that sum up to the target)

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Interview Statistics

The following metrics were computed from 8 interview experiences for the MongoDB Senior Software Engineer role in Ireland.

Success Rate

38%
Pass Rate

MongoDB's interview process for their Senior Software Engineer roles in Ireland is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive75%
Neutral0%
Negative25%

Candidates reported having very good feelings for MongoDB's Senior Software Engineer interview process in Ireland.