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 infrastructureLead individual project priorities, deadlines, and deliverablesContribute to code reviews and collaborate across teams to ensure quality and scalability ✅ What We're Looking For... Graduating December 2027 - August 2028Pursuing 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 educationProgramming experience in one or more of the following languages: Java, Python, Kotlin, or Swift.12 weeks of consecutive availabilityMay 24, 2027 - August 13, 2027June 14, 2027 - September 3, 2027Deadline to apply: September 30, 2026 ⭐ What You Can Expect... Close support from your mentor and your teamWorking on features and projects that will have real impact for our learners and internal usersA 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 creationIntegrating our A/B testing framework with our observability stack to flag experiments that introduce errorsSpanish audio lessons to improve listening comprehensionCrafting new lessons to teach Coordinates in our Math coursePorting large features to new platforms (iOS, Android, web)Dashboards and tooling for site reliability insightsCrafting new microservices from scratch ❤️ Why you'll love working here... Language learning opportunitiesCatered in-house lunches, and breakfast and dinner optionsCompany-wide HackathonPTO and company holidaysFrequent 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 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. By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.