Senior Fullstack Engineer, Frontend

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ALT

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At ALT, we’re on a mission to unlock the value of alternative assets, and looking for talented people who share our vision.

51 - 200 employees

📋 Description

• Own Alt’s flagship mobile application our most important user-facing product. • Lead the React Native platform across build systems, deployments (store and OTA), CI/CD, performance, reliability, and developer experience • Work across multiple product domains: Auctions, Search, Payments, Lending, Notifications, Authentication, Fixed Price Marketplace and more. • Build seamless, highly performant UIs that make a React Native app feel truly native. • Work with the native layers (iOS & Android), bridging JavaScript and native code where needed. • Partner closely with product, design, and business to influence what we build—not just how we build it. • Mentor, level up, and provide architectural guidance to other engineers. • Help us scale a global frontend/mobile team; grow into management over time if desired. • Contribute to backend systems as needed (Python/FastAPI/Postgres, 30% of role).

🎯 Requirements

• 5-7 years of professional experience building production React Native apps at scale. • Experience shipping and maintaining ejected React Native applications. • Ability to work with native iOS/Android code (Kotlin, Java, Swift, and Objective C), JavaScript/TypeScript, and build high-quality bridges between them. • A strong product mindset: our engineers are highly product-focused and expected to have real influence. • Experience making React Native apps feel extremely polished, smooth, and native. • Background in fintech, marketplaces, gambling, hobby, or high-scale consumer mobile is a strong plus. • Motivation to tackle hard engineering challenges across performance, architecture, and mobile infrastructure. • Ability to work collaboratively in a fast-paced startup environment.

🏖️ Benefits

• A seat at the table to help shape the future of Alt and the alternative asset space • Autonomy and ownership on projects that matter • $100/month work-from-home stipend • $200/month wellness stipend • WeWork office stipend • 401(k) retirement benefits • Flexible vacation policy • Generous paid parental leave • Competitive healthcare benefits, including HSA, for you and your dependent(s)