Senior Android Engineer — Kotlin, Growth & Experiments

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

Job summary

Duolingo, Inc. is hiring for the Subscriber Conversion Team to build and maintain Android features in Kotlin, collaborating with product design and backend engineers. You will contribute to a fast-paced, experimental environment with frequent A/B testing and scalable APIs.

You will mentor junior engineers and communicate technical issues clearly to both technical and non‑technical stakeholders, while delivering high‑quality code.

Qualifications

• Bachelor’s degree in Computer Science or a related technical field.
• Programming experience in Kotlin on Android.
• Ability to communicate technical issues effectively to technical and non‑technical stakeholders.
• Strong programming experience building reactive Android apps.
• Demonstrated self‑direction with a desire to learn and mentor others.
• Experience designing clean and maintainable APIs.
• Experience writing unit tests and testable code.

Responsibilities

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

Skills

Kotlin

Android

Communication

Education

Bachelor's degree in Computer Science

Job description

Duolingo, Inc. is hiring for the Subscriber Conversion Team to build and maintain Android features in Kotlin, collaborating with product design and backend engineers. You will contribute to a fast-paced, experimental environment with frequent A/B testing and scalable APIs.

You will mentor junior engineers and communicate technical issues clearly to both technical and non‑technical stakeholders, while delivering high‑quality code.