Senior Mobile Engineer - React Native & Expo

Triumph is building Rips, a collectibles trading card app for mobile. You will own core features in React Native and Expo, shipping thoughtful UX and high polish from design through launch. You’ll work closely with backend engineers on API design, chase performance goals, and shape the architecture that enables teammates to move quickly. This is hands-on, end-to-end ownership in a small, fast team. You’ll operate in a lean environment where the person who designs a feature also ships it and owns