Mobile Consumer Engineer

Posted 4 Days Ago
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San Francisco, CA, USA
In-Office
Entry level
Information Technology • Marketing Tech
Reacher powers creator marketing for the world's largest brands. YC S25.
The Role
Build and own polished creator-facing mobile app features using React Native, Expo, and TypeScript. Responsibilities include designing, developing, releasing, and iterating features across the App Store and Google Play; integrating TikTok Shop APIs, state management, data-fetching tools, and AI avatar video capabilities; and collaborating with design, creator teams, and creators to optimize user experience, performance, and reliability.
Summary Generated by Built In
About Reacher

Reacher is AI-powered TikTok Shop affiliate software. Brands and agencies use it to find creators, run outreach, manage creator relationships, and grow TikTok Shop revenue. Brands describe the creator they want and AI finds matches from a database of 4M+ creators. They can automate outreach by DM, Target Collab, and email (up to 10,000 creators a day) and track samples, content, and GMV in one CRM. Reacher is backed by Y Combinator, is an official TikTok Shop Partner and TAP Agency, ranks #1 on the TikTok Shop App Store, and is trusted by 2,000+ brands. We were founded in 2024 and are based in San Francisco.

The role

We're hiring a Mobile Consumer Engineer to build the Reacher creator app. The app helps creators find deals, talk to brands, and earn on TikTok, Meta, and Snap. It's how we grow our creator network, so it needs to feel like a great consumer product. You'll report to Hari, our Head of Engineering, and work on a small app team.

What you'll do
  • Own features in the creator app end to end, from design through release

  • Build polished, fast mobile experiences in React Native and Expo with strict TypeScript

  • Work with TanStack Query, Zustand, the TikTok Shop API, and our AI avatar video features

  • Ship to the App Store and Google Play, then measure, learn, and iterate

  • Work closely with design, the creator team, and creators themselves

What you bring
  • A track record of shipping consumer mobile apps that people use every day

  • Strong React Native and TypeScript skills; Expo experience is a plus

  • Good product taste and attention to UX, performance, and reliability

  • Comfort moving fast at an early-stage startup

Nice to have
  • Experience with LLM or AI features in a consumer product

  • Familiarity with TikTok, the creator economy, or e-commerce

Skills Required

  • Track record of shipping consumer mobile apps used regularly
  • Strong React Native skills
  • Strong TypeScript skills
  • Good product judgment and attention to user experience, performance, and reliability
  • Comfort working quickly in an early-stage startup
  • Experience with Expo
  • Experience with LLM or AI features in a consumer product
  • Familiarity with TikTok, the creator economy, or e-commerce
Am I A Good Fit?
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The Company
HQ: San Francisco, California
17 Employees
Year Founded: 2024

What We Do

Reacher streamlines TikTok Shop influencer marketing by automating tedious tasks, eliminating the need to hire a VA or spend countless hours on influencer outreach and management.

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