Process
It was an hour-long interview. The first 10 minutes were dedicated to time and space complexity questions, with no coding. For the remaining 45 minutes, there were approximately three LeetCode easy and medium questions. The final round was onsite.
Questions
What are the time and space complexity of the code shown?
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Interview Statistics
The following metrics were computed from 45 interview experiences for the MongoDB Software Engineer (Internship) role in United States.
Success Rate
27%
Pass Rate
MongoDB's interview process for their Software Engineer (Internship) roles in the United States is very selective, failing most engineers who go through it.
Experience Rating
Positive76%
Neutral20%
Negative4%
Candidates reported having very good feelings for MongoDB's Software Engineer (Internship) interview process in United States.
MongoDB Work Experiences
5.0
Great place to work at!
Software Engineer (Internship) • Former Employee
September 19, 2021
Pros: - Friendly, open work environment (almost everyone is willing to help you out if you have any questions or are stuck).
- Good work-life balance.
- As an intern, your mentors want you to succeed.
- Fellow interns and co-workers are great, and it feels like a small community.
Cons: None as an intern
5.0
SWE Internship
Software Engineer Intern • Former Employee
Dublin, Dublin
January 19, 2026
Pros: The work was challenging, yet fun and rewarding. It was great for early learning. The team was highly collaborative and very helpful. The office is really nice.
Cons: The in-person expectations, particularly in Dublin, were not ideal, and the city itself was not a great fit for me.
4.0
Great Product, Toxic Leaders
Solutions Architect • Former Employee
Palo Alto, California, United States
May 7, 2022
Pros: Strong sales culture
Excellent product
Excellent vision
Innovative
Cons: Toxic leaders
Play the "blame game"
- 5.0Great place to work at!Software Engineer (Internship) • Former EmployeeSeptember 19, 2021Pros: - Friendly, open work environment (almost everyone is willing to help you out if you have any questions or are stuck). - Good work-life balance. - As an intern, your mentors want you to succeed. - Fellow interns and co-workers are great, and it feels like a small community.Cons: None as an intern
- 5.0SWE InternshipSoftware Engineer Intern • Former EmployeeDublin, DublinJanuary 19, 2026Pros: The work was challenging, yet fun and rewarding. It was great for early learning. The team was highly collaborative and very helpful. The office is really nice.Cons: The in-person expectations, particularly in Dublin, were not ideal, and the city itself was not a great fit for me.
- 4.0Great Product, Toxic LeadersSolutions Architect • Former EmployeePalo Alto, California, United StatesMay 7, 2022Pros: Strong sales culture Excellent product Excellent vision InnovativeCons: Toxic leaders Play the "blame game"
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