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Senior Backend Engineer at Duolingo building and operating reliable, scalable systems across teams like Duolingo Score, Ads, Time Spent Learning, or Observability, using Java, Python, or Kotlin on public cloud infrastructure.
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.
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