Lead Backend Engineer, Score Platform & Proficiency
Summary
Lead a small backend team building scoring and proficiency systems for Duolingo’s app, owning services, infrastructure, and technical direction to deliver features for 500M+ learners.
Duolingo, based in New York, is seeking a team lead/backend engineer for the Duolingo Score initiative. You’ll guide a small team, own technical direction, and work on score calculation, proficiency modeling, and surfaces across the app.
Collaborate with product and design, develop and maintain backend services and infrastructure, and drive milestones to keep shipping high-impact features for our half a billion learners.