Unity Engineer, Music; Contractor

Our mission at Duolingo is to develop the best education in the world and make it universally available. But we’ve got more left to do — and that’s where you come in!

With over 500 million users, Duolingo is the world’s most popular language learning platform. We are rapidly growing our learner base and expanding into new subjects.

Come join our Music team and help us build the future of music education. We are looking for a Unity engineer with a gaming background to help us implement our new music course and product ionize our existing prototype. You will help build the best possible user experience for our learners through high-quality interactive lessons.

Beyond our core learning product, we also offer English proficiency testing with the Duolingo English Test, and are bringing new subjects into the Duolingo app, where people can develop their Math and Music skills. We are passionate about educating our users, making fact-based decisions, and finding innovative solutions to sophisticated problems. We offer meaningful work, limitless learning opportunities, and collaboration with world-class minds.

Come brighten your life and over half a billion more!

This is a 3-6 month contract role based in Duolingo London (with flexible terms). If the initial contract goes well, there is potential for the role to convert to full-time.

• Implement the new music course within the Duolingo app using embedded Unity.
• Productionize the existing prototype, turning it into robust, release-ready code.
• Work embedded within the Duolingo app architecture to ensure seamless integration of Unity.
• Collaborate with designers and product partners to refine the look and feel, ensuring a high-quality, gamified user experience.
• Proactively identify issues and opportunities to improve the learner experience.
• Engage in rapid prototyping to test new music mechanics and interaction models.
• Ensure technical mistakes or inconsistencies are fixed as quickly as possible.

• Strong experience with Unity development (C#), specifically for mobile platforms (iOS/Android).
• Background in the gaming industry with a portfolio demonstrating high-quality game feel and polish.
• Sharp UX instincts and experience implementing complex UI/UX designs.
• Strong business sense, with proven experience working effectively with multi-functional team members (e.g. engineers, product, and design).
• Thrives in a fast-paced, data-driven, team-oriented environment.
• Strong interest in Duolingo and our mission.

• Experience embedding Unity as a library (UaaL) into native mobile applications.
• Background in music, music theory, or audio programming.
• Experience in web/mobile localization workflows and tools.
• Experience working as part of a remote or distributed team.
• Familiarity with mobile gaming, with an understanding of game mechanics.

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.

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