Android Engineer II (Kotlin) — Subscriber Growth

Duolingo; Pittsburgh (Allegheny County); On-site; USD 153,000 - 207,000; Full time

Job summary

Duolingo's Subscriber Conversion Team owns the surfaces that turn learners into subscribers and keep them subscribed, including the purchase flow, pricing, payments, and partnerships. The team runs continuous A/B tests across iOS, Android, backend, and web to balance quick optimizations with larger bets.

This role focuses on developing, releasing, and maintaining native Android features in Kotlin, collaborating with product design and backend engineers, and mentoring junior engineers to help

Qualifications

• Bachelor's degree in Computer Science or a related technical field.
• Proficiency in Kotlin on Android development.
• Strong ability to communicate technical issues to both technical and non-technical stakeholders.

Responsibilities

• Collaborate on software projects with product, design, and backend teams.
• Develop, release, and maintain native Android features in Kotlin.
• Mentor and set technical direction for junior engineers on the team.

Skills

Kotlin on Android

Education

Bachelor's degree in Computer Science or related field

Tools

APIs design

Job description

Duolingo's Subscriber Conversion Team owns the surfaces that turn learners into subscribers and keep them subscribed, including the purchase flow, pricing, payments, and partnerships. The team runs continuous A/B tests across iOS, Android, backend, and web to balance quick optimizations with larger bets.

This role focuses on developing, releasing, and maintaining native Android features in Kotlin, collaborating with product design and backend engineers, and mentoring junior engineers to help