Software Engineer II, Android

Build and maintain native Android features in Kotlin for Duolingo’s Subscriber Conversion team, which owns paywalls, purchase flow, pricing, payments, and subscription partnerships. Collaborate with product design and backend partners while running and interpreting A/B tests across iOS, Android, backend, and web. You’ll also mentor junior engineers and help set technical direction, balancing quick optimizations with larger bets on new tiers and partner offerings.