Ziff Davis
Ziff Davis (NASDAQ: ZD) is a New York–based public digital media and internet company spanning technology, gaming, shopping, health, and cybersecurity. Its portfolio includes PCMag, IGN, Mashable, and Ookla/Speedtest, plus enterprise tools like Ekahau, monetized through advertising, subscriptions, affiliate commerce, and data services. Founded in 1927, it serves consumers and businesses globally with content, software, and network performance intelligence.
Open Positions at Ziff Davis
8 open positions
Join Ookla’s collaborative engineering team to design, develop, and maintain software powering products and platforms used globally. You may contribute across backend services, web applications, APIs, data platforms, and other technology components.
Build intelligent, scalable full-stack systems for Downdetector Connect, combining React interfaces with Python services that process massive volumes of network telemetry. You’ll help global telecom operators move from reactive reporting to proactive, AI-driven network operations.
Join Ookla as a Software Engineer I focused on building scalable frontend web applications and data visualization platforms that improve connectivity insights. You’ll work with React, Redux, Vite, and modern web technologies while collaborating across teams to deliver polished user experiences.
Build performant, interactive web applications and data visualization platforms that help governments, network operators, and enterprises understand connectivity data. This frontend-focused role works across the stack with React, Redux, Vite, and modern web technologies.
Join Ookla’s Platform and Site Reliability Engineering team to build and operate globally distributed infrastructure supporting billions of daily requests. You’ll improve reliability, scalability, observability, security, and operational practices for critical services used by hundreds of millions of people.
Own and evolve Ookla’s Android SDKs that measure real-world network quality across millions of devices. This hands-on role spans Kotlin/Java Android development, JNI/NDK integration, and a shared C++ measurement engine.
Ookla is seeking an AI Engineer to build spatial AI and computer vision systems that extract and analyze indoor environments for Wi-Fi planning and optimization. The role spans 3D perception, production ML systems, and scalable cloud and edge inference.
Lead architecture across Ookla’s Ekahau, Speedtest Pulse, and Speedtest Certified products, shaping multi-year technical strategy and engineering standards at global scale. This hands-on Principal Architect role bridges business strategy and technical execution across desktop, mobile, and cloud systems.