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# Staff Android Engineer, Builds Infrastructure

- **Company:** Duolingo
- **Location:** New York, NY, United States
- **Experience:** Starter
- **Salary:** $174,250
- **Contract:** Permanent contract
- **Skills:** Android Software Development, Build Automation, Automation of Tests, Unit Testing, Continuous Integration, Gradle, Strategies of Testing, Caching, Kotlin, Optimization Algorithms, Performance Monitor
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25304_02bdce8f847f73ee20472d5ffb80ac6e

## About the Role

* 6+ years of Android software engineering experience, and 1-2+ years developing scalable production software and an excellent command of engineering fundamentals
 * Experience supporting either Gradle-based projects or large Android builds
 * Significant experience with build automation
 * Proven ability to drive large-scale technical initiatives across multiple teams
 * Proficiency in Android development using standard tools and frameworks

Preferred Candidates Will Have...

 * Expertise in Kotlin
 * Knowledge of Android SDK performance tools and optimization techniques
 * Experience with Gradle principles e.g., caching and task avoidance
 * Deep understanding of unit testing and test automation

## Description

As an engineer on the Client Builds and Infrastructure team you'll be responsible for evaluating and setting the direction for our Android builds. This includes centralizing build logic, working on modularization strategies, and optimizing build times across 50+ Android developers.

Read aboutthe technical problems our Engineers work on.

You Will...

 * Collaborate with our CI/CD team to proactively maintain and improve test, build, and release pipelines
 * Provide input on core app architectural decisions and drive implementation
 * Foster a culture of engineering excellence and mentor engineers of all experience levels
 * Create tools and libraries that provide a foundation for the Duolingo Learning Android app
 * Design, develop, and maintain automated testing frameworks and scripts
 * Stay up-to-date on industry trends and emerging technologies, to continually enhance testing strategies and tools