Mobile Consumer Engineer

Reacher; San Francisco (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Reacher is seeking a Mobile Consumer Engineer to build the creator app. You’ll own features end-to-end, shipping polished mobile experiences in React Native and Expo with strict TypeScript, integrating the TikTok Shop API and AI avatar video features.

You’ll work closely with design, the creator team, and creators themselves to grow our creator network and drive engagement. Ideal candidates ship consumer mobile apps daily, bring strong React Native/TypeScript skills, and have a solid UX

Qualifications

• Proven track record shipping consumer mobile apps.
• Strong React Native and TypeScript skills; Expo is a plus.
• Good product sense with emphasis on UX, performance and reliability.

Responsibilities

• 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.

Skills

React Native

TypeScript

Expo

UX focus

Startup experience

Tools

TanStack Query

Zustand

TikTok Shop API

LLM features

Job description

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