Senior Mobile Engineer (React Native)

As we scale internationally, this role will lead a new React Native application andestablisha scalable development environment across iOS, Android, and our backend platform., * Establish the greenfield architecture, testing, CI/CD, and release foundations for iOS and Android.

• Agree scalable API contracts and an integration strategy with our Ruby on Rails engineers.
• Build trust across Product, Design, and Engineering by surfacing timelines, risks, trade-offs, and technical debt early.

Within 12 months, you will

• Own the mobile roadmap across multiple product verticals, from technical design to production.
• Build a maintainable cross-platform foundation for fast, sustainable delivery.
• Introduce measurable improvements in mobile quality, stability, performance, and delivery velocity.
• Shape long-term mobile/backend integration and keep technical debt visible and manageable., * Architect & Build - Define, own, and ship a greenfield React Native B2B application for iOS and Android. Set architectural standards that balance near-term delivery with long-term scalability.
• Own Delivery - Own multiple workstreams in a small team, turning product goals into technical plans and carrying them through build, release, and iteration.
• Design for the Long Term - Make pragmatic greenfield architecture decisions, balancing delivery speed with maintainability, scalability, accessibility, and technical debt.
• Partner with Backend - Work with Ruby on Rails engineers to shape API contracts, data flows, authentication, observability, and a sustainable mobile/backend boundary.
• Technical Leadership - Proactively communicate timelines, delivery confidence, dependencies, risks, and trade-offs, helping Product and Engineering make informed scope decisions.

This high-autonomy role suits an engineer comfortable defining what to build, designing the system, and delivering it-not simply implementing prescribed solutions., * React Native (TypeScript)

• React Navigation

Backend & Delivery Context

• Ruby on Rails APIs
• iOS and Android app delivery
• API contracts and mobile/backend integration
• Automated testing and CI/CD
• Mobile monitoring and performance optimisation
• App Store and Google Play release practices
• Security, accessibility, and maintainable engineering standards

You are not expected to know every toolimmediately, but you must be comfortable owning architectural decisions across React Native and its backend integration.

• 6+ years of mobile engineering experience.
• Deep React Native and TypeScriptexpertiseacross architecture, testing, performance, and production delivery.
• Strong judgement about when React Native needs native platform capabilities or modules.
• Proven experience designing a greenfield system and shipping production iOS and Android applications.
• Experienceestablishinga development environment and technical direction from scratch.
• Comfortable explaining trade-offs between delivery speed, product needs, and maintainability.
• Ability to manage ambiguity, own multiple verticals, and move between architecture and hands-on delivery.
• Strong communicationskills, proactively surfacing delivery confidence, risks, dependencies, and technical debt.
• Experience collaborating with Ruby on Rails or similar backend teams.
• Experience in transport,logistics, or regulated industries.
• Familiarity with mobile observability, performance profiling, testing, and app-store releases.
• Experience working in B2B SaaS environments.
• Exposure to native iOS and Android development.
• 25 days holiday
• Freeflu jab for you and your family

We value

• Clarity over bureaucracy

Weoperatewith high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes., * ScreeningCall (30 mins)

• Technical Architecture Discussion -Greenfield React Native and backend integration deep dive
• Final Culture Conversation- Leadership alignment