Duolingo

Join Duolingo as a Senior Site Reliability Engineer to improve the reliability, scalability, and operational excellence of distributed systems serving millions of learners. You’ll build automation, support production infrastructure, and strengthen incident response practices.

Senior Site Reliability Engineer responsible for improving the reliability, scalability, and operational performance of Duolingo’s large-scale distributed systems. The role combines production troubleshooting, incident response, infrastructure support, automation, and software platform development.

Senior Enterprise Engineer building and operating internal platforms, identity systems, SaaS integrations, and employee lifecycle automation at Duolingo. The role combines infrastructure engineering, enterprise automation, reliability, and cross-functional governance.

Senior Enterprise Engineer building and operating internal identity, SaaS, endpoint, and automation platforms that support Duolingo employees. The role combines infrastructure engineering, lifecycle automation, reliability operations, and cross-functional enterprise governance.

Build and operate reliable, scalable backend services that power Duolingo’s growing advertising business and serve a global learner base. You’ll own complex technical problems from design through production while collaborating across product, design, data science, machine learning, and ad operations.

Build and operate reliable, scalable backend services and infrastructure that power Duolingo’s learning, monetization, scoring, and observability experiences. This role offers ownership of complex technical problems across design, production, and high-impact product teams.

Senior Android Engineer owning the stability and performance of Duolingo’s Android learning app for millions of learners. The role focuses on performance tooling, architectural improvements, regression detection, and mentoring across engineering teams.

Senior Android Engineer responsible for the stability, performance, and observability of Duolingo’s Android Learning app used by millions of learners. The role combines architectural leadership, performance tooling, regression detection, and cross-team mentorship.