StaffFrontendEngineer

**Location: New York, United States (Office)** **On-Site | Full-time** **Compensation: $250K - $300K** We are hiring on behalf of our client who is seeking a highly skilled and autonomous **Staff Frontend Engineer** to lead the technical evolution of its primary application surfaces. Our client provides an institutional-grade yet highly accessible trading application that abstracts away the complexities of on-chain operations—such as external wallets and bridging—enabling seamless, instantaneous asset access alongside advanced social trading features. Within its first year of operation, the platform has successfully onboarded over 500,000 users and executed more than $3.5 billion in total trading volume. The successful candidate will join an elite, lean engineering organization comprised of crypto-native talent drawn from top-tier decentralized finance (DeFi) and digital asset protocols. This individual will take comprehensive ownership of both the mobile application architecture (developed with Expo) and the web application infrastructure (built utilizing React Router and Vite). As our client scales its core product offering to support novel order types, decentralized perpetuals, prediction markets, and sophisticated social layers, this role provides significant cross-stack flexibility and foundational architectural ownership. **Key Responsibilities** * **Architecture & Ownership:** Guide the technical direction, maintenance, and performance optimization of the primary web application (React Router, Vite) and mobile application (Expo) platforms. * **Feature Engineering:** Design, develop, and deploy complex user-facing features, supporting the imminent rollout of advanced order types, perpetual trading frameworks, prediction markets, and integrated social tracking features. * **Cross-Stack Execution:** Maintain absolute autonomy in executing full-stack adjustments where necessary, collaborating seamlessly with existing TypeScript-based backend infrastructure. * **A