Senior React Native Engineer — AI-First Mobile, Hybrid London

Zapp; Greater London; Hybrid; GBP 135,000 - 175,000; Full time

Benefits offered by this job

Equity package

Zapp Credit

Private health insurance

Cycle to work

Job summary

Zapp is building the future of on-demand essentials with AI-powered features. Join our team to own the end-to-end mobile and web experiences used by customers daily, across iOS, Android, and web.

We seek engineers with 10+ years in production software, deep React Native/Expo, and strong TypeScript skills. This hybrid London role requires on-site work at least 3 days a week and a right to work in the UK.

Qualifications

• 10+ years building production software across mobile, backend, frontend, or full-stack.
• Strong React Native and Expo experience on iOS/Android with B2C apps in your track record.
• Fluent in TypeScript and production-minded with performance and security in mind.
• Daily use of AI assistants and patterns to accelerate delivery.

Responsibilities

• Develop the mobile and web experiences our customers use daily in React Native/Expo.
• Bring AI into daily development, sharing patterns to help the team move faster.
• Define how AI adds real customer value and prototype difficult bets.
• Own delivery end-to-end from design to production.
• Participate in on-call rotation and maintain production health.
• Ensure fast, reliable, and secure mobile experiences.

Skills

React Native

Expo

TypeScript

AI in development

Mobile app

Full-stack

Tools

NestJS

GraphQL

GCP

Firebase

Expo native module

Job description

Zapp is building the future of on-demand essentials with AI-powered features. Join our team to own the end-to-end mobile and web experiences used by customers daily, across iOS, Android, and web.

We seek engineers with 10+ years in production software, deep React Native/Expo, and strong TypeScript skills. This hybrid London role requires on-site work at least 3 days a week and a right to work in the UK.