Duolingo interview prep. 19 likely questions.

The process at Duolingo, what each stage actually tests, and how candidates prep. Real questions where we have them, likely questions where we don't.

While you prep, Scoutify can fill in and send your application to new Duolingo roles that match your search.

[01] BY THE NUMBERS

Headline facts before you prep.

Pulled straight from Duolingo's career page and public data sources. Linked figures open their source or a fuller breakdown.

Full Duolingo company profile

Focus on prep. We'll handle the applications.

Scoutify can apply to jobs that match your search while you prepare. Your first 3 applications are free.

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[02] INTERVIEW PROCESS

Standard software engineering loop at Duolingo.

The stages below describe the typical SWE loop. Product, Design, and Data loops differ; pick a role to see how it changes, or jump straight to real questions reported for that role.

ROLE
01

Recruiter Screen

30 min

Initial call to discuss your background, the role, and logistics.

  • Research the company and role thoroughly
  • Prepare your elevator pitch
  • Ask about the interview process and timeline
02

Technical Interview

45-60 min

Coding and/or system design questions relevant to the role.

03

Behavioral Interview

45 min

Questions about your past experiences, teamwork, and problem-solving.

[03] REAL QUESTIONS

Reported by people who interviewed at Duolingo.

2 questions sourced directly from candidates on Reddit, Blind, Glassdoor, and Scoutify user reports.

Other Roles

17 questions
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WHILE YOU PREP

Prepping for Duolingo? Let Scoutify apply when they post.

Applying by hand takes about 10 minutes per role. Scoutify fills in and sends the application for you when a role matches your search.

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Product Management

2 questions · all reported by candidates
ReportedExponent·8 upvotes·
ReportedExponent·4 upvotes·
How to answer these: the STAR method

Use the STAR method: describe the Situation, the Task you faced, the specific Action you took, and the measurable Result. Aim for 60-90 seconds with one concrete metric. Practice it out loud before the interview so it flows naturally; the same structure works for every question above.

[04] SALARY SNAPSHOT

Know the bands before the loop.

Median total compensation at Duolingo by level, as reported by employees on Levels.fyi. Worth knowing before the recruiter asks about expectations.

Data Scientist

Source: Levels.fyi
LevelTotalBaseN
Senior Data Scientist$392K$212K3

Software Engineer

Source: Levels.fyi
LevelTotalBaseN
Software Engineer I$195K$142K11
Software Engineer II$258K$164K7
Senior Software Engineer$314K$204K11
Staff Software Engineer$447K$259K3

Source: Levels.fyi · median of reported samples · N = sample count

Full compensation breakdown on the Duolingo company page

[05] APPLY LOGISTICS

Applications go through Greenhouse.

Duolingo runs hiring on Greenhouse, so the application form is hosted there. Keep your contact details and work history consistent with your resume.

The leading applicant tracking system for growing companies. Greenhouse powers structured hiring at thousands of organizations, from startups to enterprises.

Scoutify checks Duolingo's career page for new roles, so you can have Sniper apply to Duolingo's next opening that fits your filters, usually minutes after it goes up on Greenhouse. Sniper sends one application per posting, and the employer's confirmation email for most applications lands in Scoutify Mail.

How Scoutify integrates with Greenhouse

ATS identified from the application URLs on Duolingo's recent postings

[06] PEOPLE ALSO ASK

Common questions about Duolingo interviews.

Does Duolingo sponsor H1B visas?

Yes, Duolingo does sponsor H1B visas for international candidates. This allows qualified applicants from outside the U.S. to work at Duolingo, which is particularly beneficial if you possess specialized skills that are in demand. If you're considering applying, ensure that your qualifications align with the roles available at Duolingo.

What is the average salary and compensation structure at Duolingo?

At Duolingo, salaries for various roles can be quite competitive. For instance, the median total compensation for a Staff Software Engineer is approximately $447,283, while a Senior Data Scientist earns around $392,000. The salary range across job postings is from $177,129 to $258,620, indicating a robust compensation structure for skilled professionals.

What is the interview process like at Duolingo?

The interview process at Duolingo typically involves multiple stages, including technical assessments and behavioral interviews. You may encounter questions that assess your problem-solving skills and ability to work in teams, such as managing significant changes or resolving conflicts. Being prepared to discuss specific projects and outcomes will be beneficial during your interviews.

Is Duolingo hiring?

Scoutify currently lists 50 open roles at Duolingo. Follow the job links to check requirements and apply on the employer's career site.

[07] OVERVIEW

What candidates run into at Duolingo.

Tech company interviews typically include a mix of coding, system design, and behavioral rounds. The exact format varies by company size and role level.

[08] PREP TIPS

How candidates prepare.

Research the company's products, engineering blog, and recent news
Practice coding problems and system design scenarios
Prepare thoughtful questions to ask your interviewers
Follow up with a thank-you note within 24 hours
Apply early; being among the first applicants increases your chances of getting an interview

[09] PRACTICE

Practice for these roles.

Use the requirements below to choose relevant examples from your work. For each example, explain the problem, your contribution and the result. Ask your recruiter which skills the interview will cover.

Programmatic ad sales strategy

Practice outlining how you would build a deal-led book of business with agencies and advertisers for mobile inventory.

The Ad Sales Lead, Programmatic builds a deal-led book of business with agency holding companies, independent agencies and advertisers.

Source posting

People analytics dashboards

Build a sample dashboard that tells a story with people data and supports decisions on trade-offs.

The Head of Talent Management role requires strong data fluency and a product mindset for people analytics, including dashboards that inform trade-offs.

Source posting

Staff Product Manager

The current posting asks for:

  • Experience turning a broad mandate into a high-ROI roadmap with a mix of near-term launches and long-term investments

Read the employer’s full posting · Posted 2026-11-05

VP of Learning Design

The current posting asks for:

  • Experience leading a multidisciplinary organization through directors and other senior leaders in a fast-moving, product-led environment.
  • Experience shaping consumer products through the teams you lead, including using AI to accelerate product development or content generation.
  • Experience building AI-powered learning experiences or systems for generating and evaluating learning content at scale.

Read the employer’s full posting · Posted 2026-11-04

QA Specialist I, New Graduate

The current posting asks for:

  • Experience testing consumer mobile or web applications
  • Experience writing reproducible bug reports or working with issue-tracking tools

Read the employer’s full posting · Posted 2026-11-03

Sources reviewed 2026-10-19.

[10] FAQ

Questions candidates ask about Duolingo interviews.

These answers draw on current listings and the available sources for Duolingo.

Does Duolingo sponsor H1B visas?

Yes, Duolingo does sponsor H1B visas for international candidates. This allows qualified applicants from outside the U.S. to work at Duolingo, which is particularly beneficial if you possess specialized skills that are in demand. If you're considering applying, ensure that your qualifications align with the roles available at Duolingo.

If we answered your question, let Scoutify apply for you when Duolingo posts a role that matches your search.

GET 3 FREE APPLICATIONS
Duolingo company page and open roles

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