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Senior Mobile Developer (React Native)

Sage AI LabsSage AI Labs·Artificial Intelligence

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~7 min

Ashby

Posted

254 days

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About the role

Location: San Francisco, CA (In-Office, 4-5 Days/Week)
Type: Full-time
Experience Level: Senior (5+ years), Lead/Staff (7+ years)
Start Date: ASAP

About Us

We’re building GOLD, the next-generation super shopping app — a powerful, intuitive AI shopping agent designed to streamline how people discover and buy products online. Our mission is to help people get the best deals on the products they love, through a seamless and delightful shopping experience. Early launches have shown that users love the experience, and the company is entering growth mode to bring this experience into more hands.

We’re an early-stage startup based in San Francisco, led by the founder of GoogleX, Waymo and Udacity. Our team is lean, driven, and highly collaborative. If you're excited about building impactful technology from the ground up — and working shoulder-to-shoulder with an experienced founder — we’d love to meet you.

What You’ll Do

  • Lead the design, development, and deployment of our flagship iOS app built with React Native

  • Build and maintain high-performance and scalable mobile experiences
    Collaborate closely with design, product, backend engineering and AI research teams to ship shopping features

  • 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

What We’re Looking For

  • 5-7+ years of professional mobile development experience, with proven expertise shipping consumer-facing apps

  • 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: past experience leading teams or mentoring other developers

  • Bonus: previous experience with Expo Framework

Our Tech Stack

  • Mobile App: React Native, TypeScript

  • Backend: TypeScript (Node.js) and Python

  • Infrastructure: Google Cloud Platform

  • CI/CD: GitHub Actions, TestFlight, EAS

Why Join Us

  • 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

  • Proven leadership – Work directly with a founder who has built transformative technology companies
    Startup ownership – Influence product and engineering decisions from day one
    Compensation & equity – Well-funded startup with competitive salary, meaningful equity
















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Aplyr's read

Sage AI Labs is at the forefront of AI innovation, attracting talent passionate about enhancing business processes through cutting-edge technology.

Synthesized from recent postings & public sources

What's promising

  • Sage AI Labs is pioneering AI solutions that directly impact business efficiency and decision-making.
  • The company offers roles that blend advanced technology with real-world applications, appealing to tech enthusiasts.
  • Sage AI Labs invests in talent development, evident from their diverse role offerings from interns to senior developers.

What to watch

  • Limited public information about the company's financial health and long-term sustainability.
  • Potentially high-pressure environment due to the fast-paced nature of AI innovation.
  • The niche focus on AI might limit opportunities for those seeking broader tech industry exposure.

Why Sage AI Labs

  • Sage AI Labs specializes in AI solutions specifically tailored for business process enhancement.
  • The company hires across a range of expertise levels, from interns to senior developers, fostering a diverse team.
  • Their focus on decision-making AI tools sets them apart from competitors focusing on consumer-facing applications.

Aplyr’s read is generated by AI from public sources. Was it useful?

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About Sage AI Labs

Sage AI Labs focuses on developing advanced artificial intelligence solutions to enhance business processes and decision-making.

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