Mobile Engineer

FRESH.; Greater London; Hybrid; GBP 90,000 - 110,000; Full time

Job summary

FRESH. is seeking a Senior Mobile Engineer to lead a brand-new React Native application for iOS and Android, based in London with hybrid 1 day onsite.

You will own the mobile architecture, set technical direction and deliver a scalable product, collaborating with Product, Design and Backend Engineering.

This greenfield role requires strong React Native/TypeScript expertise and a track record of shipping production mobile apps in a product-led environment.

Qualifications

• 6+ years' commercial mobile engineering experience.
• Strong React Native and TypeScript expertise.
• Experience building and shipping production iOS and Android applications.
• Previous experience leading greenfield mobile projects.
• Strong understanding of mobile architecture, testing and performance.

Responsibilities

• Architect, build and launch a new React Native application for iOS and Android.
• Define mobile architecture, testing strategy and CI/CD processes.
• Collaborate with backend engineers to design scalable APIs and integrations.
• Own delivery from technical design through to production.
• Drive engineering best practices around performance, quality and maintainability.
• Work closely with Product and Design to deliver high-impact features.

Skills

React Native

TypeScript

REST APIs

CI/CD

Automated Testing

React Navigation

Tools

React Native

TypeScript

Job description

Senior Mobile Engineer (React Native) - Permanent | Hybrid 1 day onsite | London

We're partnering with a fast-growing SaaS business looking for a Senior Mobile Engineer to lead the development of a brand-new React Native application.

This is a genuine greenfield opportunity where you'll own the mobile architecture, technical direction and delivery of a cross-platform product used by enterprise customers. You'll work closely with Product, Design and Backend Engineering to build a scalable, high-quality mobile platform from the ground up.

What you'll be doing

• Architect, build and launch a new React Native application for iOS and Android.


• Define mobile architecture, testing strategy and CI/CD processes.


• Collaborate with backend engineers to design scalable APIs and integrations.


• Own delivery from technical design through to production.


• Drive engineering best practices around performance, quality and maintainability.


• Work closely with Product and Design to deliver high-impact features.

Tech Stack: React Native, TypeScript, React Navigation, REST APIs, CI/CD, Automated Testing

What we're looking for:

• 6+ years' commercial mobile engineering experience.


• Strong React Native and TypeScript expertise.


• Experience building and shipping production iOS and Android applications.


• Previous experience leading greenfield mobile projects.


• Strong understanding of mobile architecture, testing and performance.


• Comfortable owning technical decisions and working in a product-led environment.

Nice to have:

• Experience with enterprise or B2B SaaS products.


• Exposure to modern backend APIs.