Senior Software Engineer, Backend

As a backend engineer on the Content Infrastructure Team, you’ll build features that make up the core backbone of the learning experience on Duolingo. Our short-form lessons are where learners spend the majority of their time on the app, and our team’s mission is to build and update infrastructure to enable quick iteration and improve content quality in these sessions.

You’ll work on scaling new exercise types that support our learners in practicing speaking or grammar in bite-sized formats, as well as re-architecting our infrastructure in other ways to help set our teams up for success in the future. We’re looking for engineers who are passionate about designing scalable systems to help improve the quality of our short-form sessions!

• You will…

• Collaborate on software projects with product design and backend aspects

• Develop, release, and maintain backend services and/or infrastructure

• Lead individual project priorities, milestones, and ensure we’re always shipping

• A Bachelor’s degree in Computer Science or a related technical field

• Strong competencies in data structures, algorithms, and software design

• Experience programming in Java, Python, or Kotlin

• Solid understanding of one or more database technologies

• Exceptional candidates will have…

• Industry experience building high-traffic APIs using public cloud providers

• Experience with industry observability technology, such as OpenTelemetry, Grafana, Prometheus, or DataDog.

The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!

Salary Range:

$182,800 - $247,300 USD

Benefits: Take a peek at how we care for our employees’ holistic well-being with our benefits here (https://careers.duolingo.com/#benefits) .

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 finding innovative solutions to complex technical problems (https://blog.duolingo.com/tag/engineering/?utm_source=greenhouse.com&utm_medium=referral&utm_campaign=engblog_gh_091224) , running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes - while doing work that’s both fun and meaningful.

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.