Senior Android Engineer - Mobile Core

About the Role

Key Responsibilities

• Consistently deliver Android code that sets the standard for quality and maintainability, making the Android app scalable and accelerating product iterations.
• Contribute to technical initiatives aligned with the Android engineering vision, including large team project features with external dependencies.
• Design code through technical conception before development, ensuring robust and efficient code patterns such as Kotlin Coroutines, thread safety, and race condition prevention.
• Implement new Kotlin and Android technologies like Compose UI, Kotlin flows, and latest features announced during Google I/O.
• Build and scale app architecture (e.g., MVVM-C), advocate for multi-modules and dependency injection, and apply SOLID principles while maintaining simplicity.
• Prevent regressions by promoting Unit, Integration, and UI testing, collaborating with QA and Android Engineers, and exploring new E2E testing practices.
• Elevate app performance through strong monitoring practices covering app launch, size, memory usage, and UI performance using tools like Datadog and Crashlytics.
• Improve release processes with automation and best practices for CI/CD pipelines and workflows, including Bitrise CI, Firebase App Distribution, GitHub Actions, Renovate, and Mergify.

Requirements

• More than 10 years of experience on Android, with apps released on the Play Store or B2B, and significant contributions on GitHub.
• Ability to advocate for technical initiatives to stakeholders and mentor senior engineers.
• Proficiency in building Kotlin-Compose applications with solid architecture (MVVM, Clean Architecture, modularization, dependency injection).
• Understanding of SOLID principles and when to prioritize KISS for simplicity.
• Experience designing code through technical conception prior to development.
• Knowledge and use of reactive programming with Kotlin Flow and optionally RxJava.
• Strong experience with Jetpack libraries (Room, Material, etc.) and modern Android development stack.
• Mindfulness of app security, data privacy, and user trust.
• Ability to monitor and optimize performance, including startup time, rendering, and memory usage.
• Awareness of accessibility, localization, and inclusive design.
• Experience handling asynchronous and concurrent programming with Kotlin Coroutines, structured concurrency, and lifecycle scope.
• Experience maintaining app monitoring, testing, and providing Quality of Service metrics such as KPIs, SLOs/SLIs, logs, crash reporting, and dashboards.
• Proficiency in writing E2E, integration, and unit tests, with familiarity with Espresso, test coverage, and dealing with flakiness.
• Experience with CI/CD automation for apps, including Bitrise, Crashlytics, Firebase, Github Actions, and Renovate.
• Ability to maintain technical and functional exchanges with the iOS team.
• Contributing to hiring processes and helping to recruit top Android talent.
• Active participation in the Android community (e.g., DroidCon, Meetups).

Nice to Have

• Living for jaw-dropping demos and surprise announcements at Google I/O.

Qualifications

• Significant professional experience on Android development, including apps released on the Play Store or B2B.
• Contributions to open-source repositories (GitHub).

Benefits & Perks

• Impact-driven work that makes an impact on the planet.
• Hybrid work environment with 2 remote days a week, 1 remote week per quarter, and 3 flex days.
• Employee Resource Groups, mentorship programs, accessibility policies, and cultural competency training.