Software Engineer Intern

Who you are

• 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

What the job involves

• 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
• 12 weeks of consecutive availability:
• May 24, 2027 - August 13, 2027
• June 14, 2027 - September 3, 2027
• 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

The application process

• Deadline to apply: September 30, 2026
• Duolingo uses AI technology to assist in our hiring process. We want to be transparent about how we use this technology and your rights. We use Greenhouse Software's Talent Matching feature to assist with reviewing applications for the skills and experience we have decided are important for this role
• How it works:
• Talent Matching reviews your resume and responses to application questions to determine the extent to which your qualifications match the job requirements selected for this role. These requirements and their desired weighting are established by our recruiters in collaboration with hiring managers
• All Talent Matching output is reviewed by our recruiting and hiring teams, who make the final decision on each application. Talent Matching does not automatically disposition any candidate or make hiring decisions

Benefits

• Medical, dental, and vision for employees as well as eligible partners and dependents
• Mental health benefits such as therapy sessions and coaching to support you to be your best self
• Fertility benefits to support your family planning journey
• Fully paid parental and adoption leave
• Fully paid subscription to Care.com and paid backup days for dependents and your fur family
• 401(k) with generous match and immediate vesting
• 20 days of paid time off, with two additional weeks off for winter break
• First-time home buyer bonus (in Pittsburgh)
• Competitive salaries and equity
• Yearly stipend for professional development
• Transportation reimbursement for however you get to work
• Lunch prepared daily by our in-house chefs
• Annual international retreat for all full-time employees
• Monthly events celebrating our team and their amazing work
• On-site gym and massages
• Game room for taking brain breaks