Senior React Native Engineer

About Dreamcash

Dreamcash is a self-custodial mobile app built for trading on Hyperliquid. You can trade perpetuals with up to 40x leverage, buy and sell spot tokens, and access new on-chain markets with the speed and stability of Hyperliquid's engine. Everything settles directly on-chain, and instant fiat rails make moving funds in and out simple and fast. Dreamcash focuses on clarity, performance and low friction, with AI helping surface useful ideas and market signals when you want them. Your trading activity contributes to your Dreamdrop rank, with referrals earning you points. Dreamcash is designed to be fast, precise and reliable, giving people a straightforward way to trade every day on mobile.

The role

We're looking for a senior React Native engineer to own and push forward our mobile trading experience. The app is already in production: real users, real money, real-time markets. You'll be building new features, improving performance, and making sure the app feels fast and reliable across both platforms.

This is a high-autonomy role. You'll make decisions about architecture, UX implementation, and how things ship. We don't have layers of process - you'll have direct context on the product and the freedom to move quickly.

What you'll work on

• Trading UI - Build and refine complex trading interfaces: order entry, position management, real-time price updates, and charting.
• Navigation & Screen Architecture - Design and maintain screen flows using Expo Router (file-based routing), bottom tabs, top tabs, modals, and deep linking.
• State Management - Work with Jotai atoms and TanStack Query to manage reactive app state, server state caching, and offline persistence.
• Real-Time Data - Handle WebSocket connections for live market data, order fills, and position updates - including lifecycle management across app state transitions.
• Performance - Keep animations at 60fps using Reanimated worklets, optimize list rendering with FlashList, and profile startup time and memory usage.
• Graphics & Charting - Build and maintain candlestick charts and data visualizations using React Native Skia.
• Authentication & Security - Work with Privy-based auth flows, biometric unlock (Face ID/Touch ID), passkeys, and secure credential storage.
• Wallet & Blockchain Integration - Support multi-wallet architecture (Privy embedded wallets + Hyperliquid wallets), transaction signing, and cross-chain bridge flows.
• Payments & Funding - Integrate fiat on-ramp/off-ramp (MoonPay), crypto deposits/withdrawals, and account transfers.
• Build & Release - Manage EAS Build profiles, OTA updates via Expo Updates, and App Store / Play Store submissions.
• Shared Packages - Contribute to monorepo packages consumed by the mobile app - UI components (Tamagui), constants, utilities, and the Hyperliquid SDK.

What We're Looking For

Must-have

• 5+ years of professional mobile development experience, with at least 3 years focused on React Native.
• Deep understanding of React Native internals - the bridge, Hermes, native modules, and platform-specific behavior on iOS and Android.
• Strong proficiency in TypeScript and modern React patterns (hooks, context, concurrent features).
• Experience with Expo managed and bare workflows, including EAS Build, Expo Router, and OTA updates.
• Solid experience with state management in React Native - ideally Jotai, Zustand, or similar atomic/store-based approaches alongside TanStack Query.
• Hands-on work with React Native Reanimated - UI-thread animations, gesture-driven interactions, shared element transitions.
• Experience building and optimizing high-performance lists (FlashList, FlatList virtualization, scroll performance).
• Comfort with native debugging - Xcode, Android Studio, Flipper, profiling tools, crash logs.
• Experience with App Store and Play Store release processes, code signing, and distribution.
• Strong instincts around mobile UX - responsive layouts, keyboard handling, haptic feedback, platform conventions.

Nice-to-have

• Experience with React Native Skia or custom canvas-based rendering for charts and visualizations.
• Familiarity with Web3 / crypto - wallet management, transaction signing, interacting with on-chain APIs.
• Experience with Privy, WalletConnect, or similar embedded wallet SDKs.
• Hands-on experience with Tamagui or other cross-platform design systems for React Native.
• Knowledge of WebSocket lifecycle management in mobile contexts (background/foreground transitions, reconnection strategies).
• Experience with biometric authentication - Face ID, Touch ID, passkeys/WebAuthn on mobile.
• Familiarity with push notifications setup and handling (Expo Notifications, APNs, FCM).
• Experience with analytics and observability tooling - Sentry, Segment, or similar in a mobile context.
• Exposure to monorepo tooling (Turborepo, pnpm workspaces) and API client code generation (Orval).
• Familiarity with Hyperliquid or other DEX integrations.

What you'll get

• A small, high-output team where your work ships fast and matters
• Direct ownership over backend systems - no waiting for approval chains
• A modern TypeScript stack with good tooling already in place
• The chance to build infrastructure for a growing crypto trading platform