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.

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

❤️ Why you'll love working here...

• 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!

Hourly Range for this internship is:

$54—$56 USD