Process
First, you are given an online assessment, which is on the harder side. Then, you do a Karat interview. I believe there is one more round after that, but I didn't make it there.
Questions
Show functions and variations of functions that do the same thing, and then analyze their runtime and space complexity.
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Interview Statistics
The following metrics were computed from 2 interview experiences for the Duolingo SWE role in United States.
Success Rate
0%
Pass Rate
Duolingo's interview process for their SWE roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Positive50%
Neutral50%
Negative0%
Candidates reported having very good feelings for Duolingo's SWE interview process in United States.
Duolingo Work Experiences
5.0
Best Remote Job
Quality Review Specialist I • Current Employee
New York, New York, United States
October 13, 2023
Pros: The best working environment with flexible hours, diversity, and inclusion.
Supportive colleagues and leaders.
Cons: New processes can be overwhelming.
5.0
Great culture, but management could be more collaborative
Senior Software Engineer • Current Employee
Pittsburgh, PA
October 6, 2026
Pros: Great culture and mission. Going to work is something I look forward to most of the time. People are kind, smart, and fun.
Cons: Top-down management without sufficient delegation to middle-level management.
5.0
Amazing Mission, Amazing People
Software Engineer • Current Employee
Pittsburgh, Pennsylvania, United States
September 27, 2016
Pros: - Amazing mission: provide free language education to the world.
- Amazing colleagues.
- Able to have a large impact on products and the future of the company.
- Your opinion matters.
- Incentivized to grow as an engineer in order to do your job.
Cons: - Too much cake.
- Pittsburgh has a cold winter.
- 5.0Best Remote JobQuality Review Specialist I • Current EmployeeNew York, New York, United StatesOctober 13, 2023Pros: The best working environment with flexible hours, diversity, and inclusion. Supportive colleagues and leaders.Cons: New processes can be overwhelming.
- 5.0Great culture, but management could be more collaborativeSenior Software Engineer • Current EmployeePittsburgh, PAOctober 6, 2026Pros: Great culture and mission. Going to work is something I look forward to most of the time. People are kind, smart, and fun.Cons: Top-down management without sufficient delegation to middle-level management.
- 5.0Amazing Mission, Amazing PeopleSoftware Engineer • Current EmployeePittsburgh, Pennsylvania, United StatesSeptember 27, 2016Pros: - Amazing mission: provide free language education to the world. - Amazing colleagues. - Able to have a large impact on products and the future of the company. - Your opinion matters. - Incentivized to grow as an engineer in order to do your job.Cons: - Too much cake. - Pittsburgh has a cold winter.
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