Senior Mobile Engineer (React Native)

Fanfix

Senior Mobile Engineer (React Native)

Tech

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Full-Time

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Los Angeles

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$140K - $170K

About Fanfix

Fanfix is one of the fastest-growing creator platforms in the world — empowering creators to monetize their passions and connect directly with their fans. With over 7 million fans globally, Fanfix offers a safe, brand-friendly environment for creators to share exclusive content, earn through memberships and tips, and build sustainable creative businesses.

We’re a team of builders, designers, and creators redefining how fans and creators interact — and we’re just getting started.

Learn more at fanfix.io

About the Role

We’re hiring a Senior Mobile Engineer (React Native) to lead the next evolution of our mobile experience. You’ll design and build high-performance, visually polished apps using React Native and Expo, shaping how millions of users engage with creators on iOS and Android.

This is a hands-on, high-impact role for someone who obsesses over pixel-perfect UX, clean architecture, and lightning-fast performance. You’ll collaborate closely with product, design, and backend teams — and help push the boundaries of mobile innovation in the creator economy.

Key Responsibilities

• Build and maintain world-class mobile applications using React Native and Expo.

• Collaborate with designers, product managers, and backend engineers to ship polished, intuitive features.

• Optimize app performance, including startup time, bundle size, and memory management.

• Integrate GraphQL or REST APIs with React Query or Apollo Client.

• Write robust unit, integration, and end-to-end tests using Jest and Detox/Maestro.

• Contribute to the evolution of Fanfix’s mobile architecture and design systems.

• Mentor engineers and champion mobile engineering best practices.

• Continuously improve app quality, velocity, and reliability.

Requirements

• 4+ years of experience building React Native apps at scale.

• Strong proficiency in TypeScript, Expo SDK, and EAS Build/Submit/Update workflows.

• Deep understanding of app performance optimization and native bridging.

• Experience with NativeWind, shadcn/ui, or similar UI frameworks.

• Proven ability to ship production apps on App Store and Google Play.

• Strong attention to detail in UI, animations, and state management.

• Excellent communicator and self-starter who thrives in a fast-paced startup environment.

Preferred Qualifications

• Experience with design systems and component libraries across web and mobile.

• Familiarity with CI/CD pipelines (GitHub Actions, EAS, or Turborepo).

• Exposure to feature flagging, analytics, and observability tools (e.g. PostHog, Sentry, LaunchDarkly).

• Comfort working in monorepo environments with shared utilities.

• Prior mentorship or technical leadership experience.

Why You’ll Love It Here

• 💰 Competitive pay ($140K–$170K) + bonus

• 🩺 100% employer-paid medical, dental & vision

• 💼 401(k)

• 🕓 Generous PTO & paid holidays

• 👶 Parental leave

• 🚀 Work with a talented, fast-moving team shaping the future of the creator economy

Who Thrives Here

You’re a builder with taste — the kind of engineer who sweats the milliseconds between frames, obsesses over scroll fluidity, and finds satisfaction in clean, scalable code. You thrive in chaos, love shipping fast, and believe in the craft of great mobile products.

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