Software Engineer, Intern
DuolingoAbout the role
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 2028 - August 2029
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
⭐ 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!
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.
Responsibilities
- You will contribute to full-stack software projects by developing, testing, and maintaining features and services.
- Additionally, you will lead individual project priorities and collaborate across teams to ensure code quality and scalability.
Qualifications
- Candidates must be pursuing a B.S.
- or M.S.
- degree in Computer Science or a related technical field with a graduation date between December 2028 and August 2029.
- Proficiency in Java, Python, Kotlin, or Swift is required, along with 12 weeks of consecutive availability during the summer.
Benefits
- Language learning opportunities
- Catered in-house lunches
- Breakfast and dinner options
- Company-wide Hackathon
- PTO
- Company holidays
- Frequent company-wide dinners
- Monthly celebrations
- Social clubs
Skills mentioned
About Duolingo
Duolingo is the most downloaded education app in the history of the App Store. Our mission is to develop the best education in the world and make it universally available. Learning a new language is hard, but staying motivated is often the hardest part. That’s why we use fun, bite-sized, game-like lessons designed to keep you engaged and to drive real learning outcomes. Our approach is grounded in efficacy: we continuously test and improve our methods to ensure learners make meaningful progress. We also believe in democratizing education by offering an effective, high-quality free product. Developing a great free product is essential to our mission, ensuring that anyone with a smartphone can access learning that works. When it comes to utilizing AI tools, we have a golden rule: we use it when it clearly improves outcomes for learners. We don’t use it as a shortcut or a replacement for people, but as a tool to enhance learning experiences and efficacy. Duolingo has been named to: Fast Company’s Most Innovative Education Company (2026, 2022), Apple Design Award (2023), TIME100 Most Influential Companies (2023), Fast Company Best Workplaces for Innovators (2022), among others.
H-1B sponsorship history
Historical employer filing data was found for Duolingo. The employer record includes 167 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.