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# Senior Android SDK Engineer - Network Measurement & C++/JNI

- **Company:** Ookla
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Android Software Development, Android NDK, C++ (Programming Language), Software Debugging, Java Native Interface, Software Engineering, Kotlin
- **Published:** October 12, 2026
- **Apply:** https://www.jobleads.com/es/job/senior-android-sdk-engineer-network-measurement-c-jni--spain--efa2e8a9e66a34a843c64a12b6ce15bc2

## About the Role

The role requires 5+ years of software development, Android experience, and proven SDK/library expertise in building, testing, and documentation.

## Description

Ookla is seeking a Senior Android Engineer to own the Android SDKs (CQoE and Speedtest) and lead features across millions of devices, balancing SDK and app code with well-designed APIs.

You will work across Kotlin/Java, JNI/NDK and the shared C++ engine, debugging native code and integrating AI-assisted tooling while maintaining privacy and security.

The role requires 5+ years of software development, Android experience, and proven SDK/library expertise in building, testing, and documentation.