Process
The interview process involves a coding challenge followed by technical and behavioral interviews.
The coding challenge was harder than most typical coding challenges. Be prepared to use complex algorithms, similar to LeetCode mediums to hards.
The coding challenge is also timed and consists of two different problems that must be completed within an hour.
Questions
What kind of projects have you worked on?
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Interview Statistics
The following metrics were computed from 11 interview experiences for the Duolingo SWE Intern role in United States.
Success Rate
Duolingo's interview process for their SWE Intern roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for Duolingo's SWE Intern interview process in United States.
Duolingo Work Experiences
- 4.0Summer 2025 internSWE Intern • Current EmployeePittsburgh, Pennsylvania, United StatesSeptember 27, 2025Pros: - Loved the work culture, mission, and what it stood for.Cons: I like it for the most part.
- 5.0Awesome place to work forSoftware Engineer II • Current EmployeeNew York, NYMay 13, 2026Pros: There is a 10/10 work culture, and the coworkers are smart, kind, and fun!Cons: None I can think of. The pay isn’t as competitive as, say, Meta or Google, but the culture and WLB makes it worth it in my opinion.
- 5.0So far so goodSoftware Engineer • Current EmployeePittsburgh, Pennsylvania, United StatesDecember 13, 2020Pros: Focus on employee wellness with various benefits and preventing burnout. Special trips, care packages, etc. Virtually no deadlines ever.Cons: Metrics-based teams mean lots of cross-platform development.
Duolingo Interview Questions
