Senior Backend Engineer — Scale High-Traffic APIs (Equity)
Summary
The Senior Backend Engineer will design, build, and maintain scalable backend services for Duolingo's educational platform, focusing on areas like ads, performance metrics, and system observability. The role involves end-to-end ownership of services and cross-functional collaboration to deliver high-impact features.
Duolingo in New York, NY is seeking a Senior Backend Engineer to build and operate reliable, scalable systems across Ads, Score, Time Spent Learning and Observability domains. Join a cross-functional team, own end-to-end backend services from design to production, collaborate with product, design, data science, and engineering to ship high-impact features.
We value strong fundamentals, ownership, and a role that combines engineering excellence with impactful education technology, with