Senior Mobile Engineer, Core Infrastructure Connectivity

• Join the Connectivity squad within Core Infrastructure owning the client networking stack end to end from HTTP requests to real-time messaging and connection state management. • Join early in the squad formation working alongside a small group of senior engineers with high ownership and direct influence on technical direction. • Build and evolve the core systems that power client networking across Spotify mobile platforms for hundreds of millions of users globally.

• Have 5 or more years of experience in mobile or infrastructure engineering with strong expertise in C++. • Be experienced working across Android or iOS environments and navigating large multi-platform codebases. • Have built and shipped production-grade SDKs or mobile infrastructure components. • Have a deep understanding of networking fundamentals such as HTTP/2+, WebSockets, caching, retries, and resilience patterns. • Be familiar with real-time messaging systems such as PubSub or WebSocket-based architectures. • Be confident debugging, profiling, and optimising performance across native and platform layers. • Have experience with CI/CD systems, build tooling, and modularisation at scale. • Be comfortable working in a forming team environment with evolving scope and structure. • Communicate clearly and collaborate effectively across mobile, backend, and infrastructure teams.

• Have experience working across both Android and iOS platforms simultaneously. • Have experience with protocol design or client-server communication architecture. • Have experience migrating away from legacy networking systems at scale. • Have experience with observability solutions including metrics and telemetry for end-to-end debugging.

• Build and evolve the core systems that power client networking across Spotify mobile platforms. • Refactor and modularise existing components across C++, Android, and iOS improving structure, ownership, and long-term scalability. • Improve integration layers to reduce coupling and simplify adoption across client applications. • Design and implement observability solutions including metrics and telemetry to support end-to-end debugging. • Lead migrations away from legacy networking systems ensuring stability and minimising risk during transitions. • Balance forward-looking development with maintaining reliability for hundreds of millions of active users. • Collaborate closely with engineers, product managers, and partner teams to align on priorities and delivery. • Contribute to long-term architectural decisions and help define best practices for mobile and client infrastructure.

• Work flexibly from the London office with the option to work from home. • Access extensive learning opportunities through the dedicated GreenHouse team. • Receive flexible share incentives letting you choose how you share in success. • Benefit from 6 months global parental leave for all new parents. • Access All The Feels employee assistance programme and self-care hub. • Swap public holidays flexibly according to your values and beliefs.

Spotify transformed music listening forever when it launched in 2008. The Platform team creates the technology that enables Spotify to learn quickly and scale easily enabling rapid growth in users and business around the globe. The Connectivity squad owns the client networking stack end to end working at the intersection of mobile platforms and backend systems.