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.
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📌 Senior Android SDK Engineer - Network Measurement & C++/JNI (Madrid)
🏢 Ookla
📍 Madrid