📱 App Infrastructure (React Native) Engineer

PARTIFUL'S MISSION IS TO CULTIVATE FRIENDSHIPS THROUGH SOCIAL EVENTS. We believe events are the most effective way to meet new people and make friends. Our product helps you throw incredible events, starting with memorable party pages that make it easy to plan & communicate with guests — download the app http://partiful.com/download to see how it works! We're building new ways to streamline planning, connect meaningfully in the real world, and make connections between friends-of-friends. Our ultimate vision is to power everything you do in-person with your friends, eliminating the friction of bringing your most memorable experiences to life. You can read more about our mission in The Washington Post https://www.washingtonpost.com/technology/2023/12/31/partiful-gen-z-new-years-eve/, The New York Times https://www.nytimes.com/2022/09/15/style/partiful-event-planning-parties.html, The Wall Street Journal https://www.wsj.com/articles/evites-are-out-this-new-text-message-party-planner-is-in-46e8b64f, The Atlantic https://www.theatlantic.com/technology/archive/2022/12/party-invitation-website-partiful/672333/, Wirecutter https://www.nytimes.com/wirecutter/reviews/partiful-app-review/, and USA Today https://www.usatoday.com/story/tech/news/2024/08/04/partiful-app-party-planning/72619936007/?taid=66af5128983783000189ad12&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter. Partiful was named Google’s Best App of 2024 https://blog.google/products/google-play/google-play-best-apps-games-2024/, a Finalist for Apple’s App Store Awards https://www.apple.com/newsroom/2024/11/apple-reveals-45-app-and-game-finalists-for-the-2024-app-store-awards/, and Apple’s App of the Day https://apps.apple.com/us/story/id1771691398 (awarded 4x). In 2025, we were named one of TIME's 100 Most Influential Companies https://time.com/collections/time100-companies-2025/7289589/partiful/, one of Fast Company's Most Innovative Companies https://www.fastcompany.com/91270177/social-media-most-innovative-companies-2025-duolingo-bluesky-boston-celtics-pinterest-partiful-planoly-sesame-workshop-feeld-strava-yelp, and named to Inc. Magazine's Best in Business List https://www.inc.com/john-jannuzzi/how-partiful-became-the-life-of-gen-zs-irl-party/91263552. Our company is backed by top-tier investors including Andreessen Horowitz and Google Ventures, and advised by the founders of some of the most successful consumer social products ever made. THE ROLE We’re looking for an experienced App Infrastructure Engineer to own and scale the systems that power mobile development at Partiful. You'll build the foundation that enables our team to ship faster while maintaining world-class app performance and reliability. We believe all Partiful engineers should be able to contribute to our mobile apps, and you’ll make that possible by building infrastructure that scales with the company. As our App Infrastructure Engineer, you'll be responsible for maintaining and evolving our Expo-based development environment, implementing cutting-edge React Native capabilities, and expanding Partiful's presence across iOS and Android surfaces. You'll work at the intersection of developer experience and user experience, ensuring our engineering team has the tools they need while our users get the responsive, native-feeling app they expect. Our mobile stack is React Native, Typescript, Expo, Expo Router (among many other Expo libraries), Reanimated, TanStack Query, Sentry. WHAT YOU’LL DO: - Maintain and evolve our Expo infrastructure, ensuring smooth upgrades and optimal configuration as we scale - Leverage React Native's New Architecture and latest tooling (React Profiler, etc.) to identify and eliminate performance bottlenecks - Build and maintain iOS-specific features like App Clips https://www.youtube.com/watch?v=09NEBU5Xqfs, Live Activities, and Widgets to create seamless user experiences - Work with our close partners at Expo & Software Mansion, by testing out new feature releases and