Software Engineer (Mobile SDK, Android)

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Software Engineer (Mobile SDK, Android) in Remote

Ziff Davis
Full time
Email

Remote
09/08/2026
Report

Spain

Responsibilities

Design, implement, test, document, deploy, and support network measurement features in the CQoE and Speedtest Android SDKs.
Debug and contribute to the shared C++ measurement engine across the JNI/NDK boundary.
Maintain SDKs and libraries consumed by carrier partners, third-party developers, and internal client applications.
Apply AI-assisted tooling to coding, QA, and data analysis with safety, privacy, security, and verification guardrails.
Lead technical reviews, architecture discussions, targeted implementation, and end-to-end delivery of assigned features and fixes.
Roll out SDK and measurement changes using feature flags, quality checks, and post-release validation.

Requirements

5+ years of software development experience with foundations in data structures, algorithms, and design patterns.
Experience developing for Android with Kotlin and Java.
Substantial experience building and maintaining SDKs or libraries.
Ability to write SQL for production and measurement-data investigations and use Python or similar tools for analysis.
Experience applying data-quality monitoring practices to identify anomalies before they reach partners.
Strong debugging, troubleshooting, data analysis, time management, and self-directed work skills.
Preferred: telecom or network measurement, QoE/QoS, RF/cellular, or iOS experience; networking knowledge covering IP, TCP/UDP, HTTP/S, and WebSocket; and embedded systems experience with C++.

Ziff Davis

Ziff Davis delivers authoritative content and technology solutions that empower audiences and businesses to thrive in a digital-first world. By combining deep industry expertise with innovative data-driven tools, we help our partners stay ahead of trends and connect with their target markets. Our...

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