Senior Site Reliability Engineer

Duolingo·New York, NY; Pittsburgh, PA·Posted 4 September 2026

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About 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 finding innovative solutions to complex technical problems , 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. About the role... As a Senior Site Reliability Engineer, you will work closely with both product and platform engineering teams to ensure Duolingo’s sophisticated distributed systems and products are built and maintained with extraordinary quality, and operated in measurable and scalable ways. 🧠 You will... Collaborate with internal teams to identify sources of instability in distributed systems and drive operational excellence Support core infrastructure (i.e…

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