Data Scientist Intern applicants have rated the interview process at Duolingo with 2.8 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 47.5% positive. This is according to Glassdoor user ratings.
Common stages of the interview process at Duolingo as a Data Scientist Intern according to 4 Glassdoor interviews include:
Presentation: 25%
One on one interview: 25%
Group panel interview: 13%
Skills test: 13%
Other: 13%
Phone interview: 13%
Here are the most commonly searched roles for interview reports -
There are three rounds of interviews. The first is a non-technical interview with a manager. The second is a presentation about a past project. The third contains SQL, behavioral, data science design. Difficulty in general is ok.
Take home task and then interviews with employees. Straightforward interviews - behavioral, data cleaning, machine learning, SQL coding test (no probability or stats). Focused more on details of the actual data manipulation than other firms. Felt like they were looking for a person of a specific background
Interview questions [1]
Question 1
Can you describe a time when you worked in a team?
I applied online. I interviewed at Duolingo (Pittsburgh, PA) in Nov 2025
Interview
Take home test: a data science project using the data the provided, it's about user clustering
30 minutes first round interview: meet hiring manager, discuss about why Duolingo, why DS
Virtual onsite
Interview questions [1]
Question 1
Describe a project related to data science/ research.