Software Engineer, Intern

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about educating our users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems. You’ll have limitless learning opportunities and daily collaborations with world-class minds — while doing work that’s both meaningful and fun.

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

Read our blog to learn more.

🧠 What you'll do...

Contribute to full-stack software projects by developing, testing, and maintaining features and services.

Develop, release, and maintain services and/or infrastructure

Lead individual project priorities, deadlines, and deliverables

Contribute to code reviews and collaborate across teams to ensure quality and scalability

✅ What we're looking for...

Graduating December 2027 - August 2028

Pursuing a B.S. or M.S. degree in Computer Science or a related technical field (e.g. math, physics or data science)

Dedication to our mission of universally available education

Programming experience in one or more of the following languages: Java, Python, Kotlin, or Swift.

12 weeks of consecutive availability

May 24, 2027 - August 13, 2027

June 14, 2027 - September 3, 2027

Deadline to apply: September 30, 2026

⭐ What you can expect...

Close support from your mentor and your team

Working on features and projects that will have real impact for our learners and internal users

A fun, mission-driven environment, where you’ll have lots of opportunities to grow as an engineer and make meaningful connections with your colleagues

👀 Past projects include...

Developing a GPT-4 chat interface for one of our internal tools to streamline content creation

Integrating our A/B testing framework with our observability stack to flag experiments that introduce errors

Spanish audio lessons to improve listening comprehension

Crafting new lessons to teach Coordinates in our Math course

Porting large features to new platforms (iOS, Android, web)

Dashboards and tooling for site reliability insights

Crafting new microservices from scratch

❤️ Past projects include...

Language learning opportunities

Catered in-house lunches, and breakfast and dinner options

Company-wide Hackathon

PTO and company holidays

Frequent company-wide dinners, monthly celebrations, social clubs, and so much more!

Connect with your recruiter on the benefits for interns at Duolingo!

$54 — $56 USD

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here .

Job Alerts: Sign up for job alerts here .

Accommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact accommodations@duolingo.com .

Equal Employment Opportunity: Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Fraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.

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