Tech Stack

Description

You will own Alt's flagship mobile application, lead the React Native platform, and build seamless, high-performance UIs that feel truly native. You'll work across multiple product domains including auctions, search, payments, lending, and more, and contribute to backend systems as needed.

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, Objective C), JavaScript/TypeScript, and build high-quality bridges between them
• Strong product mindset
• 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

Responsibilities

• Own Alt's flagship mobile application
• Lead the React Native platform across build systems, deployments, 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 native layers (iOS/Android), bridging JavaScript and native code where needed
• Partner closely with product, design, and business to influence what we build
• Mentor and provide architectural guidance to other engineers
• Help scale a global frontend/mobile team; grow into management over time if desired
• Contribute to backend systems as needed (Python/FastAPI/Postgres)