Software Engineer, Intern

Our mission at Duolingo is to develop the best education in the world and make it universally available. Join a team that cares about educating users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems.

At Duolingo, you’ll have opportunities to learn from and collaborate with world-class colleagues while working on meaningful and enjoyable projects that support our growing community of learners around the world. Read our blog to learn more.

Responsibilities

• Contribute to full-stack software projects by developing, testing, and maintaining features and services.
• Develop, release, and maintain services and infrastructure.
• Lead individual project priorities, deadlines, and deliverables.
• Participate in code reviews and collaborate across teams to ensure quality and scalability.

Qualifications

• Expected graduation between December 2028 and August 2029.
• Pursuing a B.S. or M.S. degree in Computer Science or a related technical field, such as mathematics, physics, or data science.
• Dedication to Duolingo’s mission of making education universally available.
• Programming experience in one or more of the following languages: Java, Python, Kotlin, or Swift.
• Availability for 12 consecutive weeks during one of the following periods:
  • May 24, 2027–August 13, 2027
  • June 14, 2027–September 3, 2027

What You Can Expect

• Close support from your mentor and team.
• Opportunities to work on features and projects that have a real impact on learners and internal users.
• A fun, mission-driven environment with opportunities to grow as an engineer and build meaningful connections with colleagues.

Examples of Past Projects

• Developing a GPT-4 chat interface for an internal tool to streamline content creation.
• Integrating the A/B testing framework with the observability stack to flag experiments that introduce errors.
• Creating Spanish audio lessons to improve listening comprehension.
• Developing lessons to teach coordinates in the Math course.
• Porting large features to iOS, Android, and web platforms.
• Building dashboards and tooling for site reliability insights.
• Creating new microservices from scratch.

Benefits

• Language learning opportunities.
• Catered in-house lunches, with breakfast and dinner options.
• Company-wide hackathon.
• Paid time off and company holidays.
• Company-wide dinners, monthly celebrations, social clubs, and more.

Compensation

The hourly range for this internship is $54–$56 USD. Connect with your recruiter for more information about intern benefits at Duolingo.

Learn more about Duolingo’s employee benefits here.