We’re looking for a highly capable Software Engineer to join our Powered team and help build the core libraries behind our product as well as the SDKs used by device manufacturers and third-party application developers worldwide.

You’ll work on low-level networking features, platform-specific implementations and cross-platform SDKs that directly impact how millions of users measure and understand their Internet performance.

What you’ll do

• Design and build reusable components and library features used within our Android and mobile products.
• Develop network testing and connectivity-related functionality using Java, Kotlin and, when needed, Kotlin Multiplatform.
• Contribute to performance-sensitive components and collaborate with senior engineers on native or low-level implementations when required.
• Maintain and support existing Android components and legacy modules built in Java.
• Design clean, well-structured and easy-to-use APIs for application and internal library usage.
• Work closely with Android platforms, device capabilities and system-level features.
• Help ensure reliability, flexibility, portability and code reuse across mobile components.
• Implement basic analytics and telemetry to monitor performance and behavior in production.
• Write unit and integration tests to ensure quality and stability.
• Debug and troubleshoot multi-layer and multi-platform issues with guidance from senior engineers when needed.
• Collaborate with backend team on technical solutions and implementations.
• Contribute to documentation and ongoing maintenance of mobile libraries and components.
• Participate in code reviews and continuous improvement of engineering practices.

What we’re looking for

• 3+ years of professional software development experience.
• 2+ years of professional Android development experience.
• Good proficiency in Kotlin and Java.
• Solid knowledge of data structures, algorithms and common design patterns.
• Experience building reusable components or libraries within Android projects.
• Good understanding of the Android Framework and Android SDK.
• Experience working with threading, concurrency and performance optimization on Android.
• Experience using networking libraries such as OkHttp and working with HTTP-based APIs.
• Good understanding of networking fundamentals, mainly HTTP/HTTPS and basic TCP concepts.
• Experience or strong interest in working with Kotlin Multiplatform or cross-platform libraries.
• Experience writing unit and integration tests.
• Good debugging and troubleshooting skills.
• Experience working with Git-based workflows (branches, pull requests and code reviews).
• Basic experience working with CI/CD pipelines.

Nice to have

• Basic experience with C++.
• Experience with Swift.
• Contributions to open-source projects.

Type: One-year Contract

Location: Remote - alignment with North America is preferred (ideally Pacific Time, acceptable PT-ET).

Availability: Contractor (40 hours per week)