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Senior Mobile Developer (React Native)

Sage AI Labs

Salary not specified
Oct 3, 2025
San Francisco, CA, US
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Building GOLD, the next-generation super shopping app, a powerful, intuitive AI shopping agent designed to streamline how people discover and buy products online, and help them get the best deals on the products they love, through a seamless and delightful shopping experience.

Requirements

  • Deep expertise in React Native and strong experience with TypeScript/Node.js
  • Solid understanding of iOS-specific tooling (Xcode, provisioning, TestFlight) and deployment processes
  • Experience integrating with REST APIs
  • Strong grasp of mobile performance optimization, offline-first design, and UI/UX best practices
  • Comfortable working across the stack with backend engineers when needed
  • Bonus: experience with e-commerce or high-traffic consumer apps
  • Bonus: previous experience with Expo Framework

Responsibilities

  • Lead the design, development, and deployment of our flagship iOS app built with React Native
  • Build and maintain high-performance and scalable mobile experiences
  • Define the architecture and technical roadmap for the iOS app as we scale
  • Own critical product features end-to-end, from prototype to production
  • Help set and promote mobile engineering best practices, code quality, and performance standards
  • Provide mentorship and technical guidance to other engineers as we grow the team

Other

  • 5+ years of professional mobile development experience, with proven expertise shipping consumer-facing apps
  • In-Office, 5 Days/Week
  • Make an impact – Your work will be foundational to the product and user experience
  • In-person collaboration – Join a focused, fast-moving team working together daily in San Francisco
  • Startup ownership – Influence product and engineering decisions from day one