What is a Mobile Engineer at Grubhub?
A Mobile Engineer at Grubhub is responsible for building, optimizing, and maintaining the highly transactional mobile applications that connect millions of diners with their favorite local restaurants and delivery drivers. Operating at this scale means your code must handle massive concurrent traffic, real-time tracking updates, complex payment flows, and dynamic menu caching. Whether you are working on the diner-facing app, the driver coordination platform, or merchant toolsets, your work directly influences the daily food delivery experience of users across the United States.
At Grubhub, mobile engineering is not just about building beautiful user interfaces; it is about solving complex distributed systems problems at the client level. You will tackle challenges such as optimizing network bandwidth under poor cellular conditions, managing local state synchronization, and implementing robust offline capabilities. The engineering culture values high-quality, testable code, meaning you will collaborate closely with cross-functional teams to deliver stable, performance-driven features.
This role is highly critical because the mobile application is the primary touchpoint for the majority of Grubhub users. A delay of even a few milliseconds during checkout or a glitch in real-time GPS tracking can directly impact order completion rates and customer trust. Consequently, you will be expected to bring a deep understanding of mobile platform internals, performance profiling, and architectural patterns to ensure the app remains fast, reliable, and scalable.


