Can React Native developers work on an app that already exists?

Yes. Developers can join an existing mobile project to add features, resolve technical issues, improve architecture, upgrade dependencies, optimise performance, or support a gradual migration from another technology.

Can a React Native application use native iOS and Android features?

Yes. React Native applications can interact with native platform capabilities through native modules and platform APIs. This is useful for functionality such as biometrics, Bluetooth, cameras, background processing, and other device-specific requirements.

Can you connect a React Native app to our existing backend?

Yes. React Native applications can consume REST or GraphQL APIs and integrate with existing authentication, databases, cloud services, payment platforms, analytics tools, and other backend infrastructure.

What should I prepare before hiring a React Native developer?

A product brief, existing designs or application, target platforms, expected features, backend details, and development goals are useful starting points. You do not need a complete technical specification before discussing your requirements with us.

Can one React Native developer maintain both mobile platforms?

For many products, a single experienced developer can work across the shared React Native codebase for both platforms. More complex applications may benefit from additional mobile, QA, backend, or technical leadership support.

How do you handle mobile application testing?

Testing can include unit and component checks, integration testing, device validation, end-to-end testing, regression testing, and release verification depending on the application's risk profile and requirements.

What happens after the mobile app is launched?

The development team can continue with feature releases, defect resolution, dependency updates, operating-system compatibility, performance monitoring, security improvements, and ongoing technical maintenance.

Hire React Native Developers UK | iOS & Android App Experts

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A Better Way to Scale Mobile Engineering

React Native works best when cross-platform development is treated as product engineering rather than simply writing shared UI code. Arramton provides developers who can contribute across architecture, integrations, application quality, release management, and ongoing product evolution.

Product-Focused Developers

Engineers who understand that successful mobile applications require attention to usability, reliability, performance, and business outcomes.

Cross-Platform by Design

Build shared functionality efficiently while using native capabilities where the product genuinely needs platform-specific behaviour.

Integration Experience

Connect mobile applications with APIs, identity providers, payments, analytics, cloud services, and existing business systems.

Modern Engineering Practices

Use structured codebases, reviews, automated testing, version control, and repeatable release processes to improve development quality.

Support Beyond Launch

Continue improving the application through feature releases, maintenance, dependency upgrades, performance work, and compatibility updates.

Flexible Team Composition

Start with one React Native engineer or add complementary mobile, backend, QA, design, and technical leadership resources as needed.

React Native Engineering Built Around Your Roadmap

Choose the mobile engineering support you need, from a single specialist to a complete product-focused team responsible for continuous React Native development.

React Native Product Engineers

Add experienced developers to your existing product team for feature development, integrations, refactoring, and application improvements.

Mobile Product Squads

Combine React Native development with UX, QA, backend, and technical leadership to deliver complete mobile product releases.

Migration & Modernisation

Move ageing mobile products toward a more maintainable architecture while protecting existing functionality and user experience.

Post-Launch Mobile Support

Maintain and improve production applications through bug fixes, OS updates, dependency upgrades, performance work, and new releases.

From Mobile Roadmap to Production

Our engagement begins with your product goals and ends with a development setup designed around your release schedule, technical environment, and long-term mobile roadmap.

Mobile Strategy Review

We examine your product concept, target users, existing application, technical constraints, integrations, release objectives, and expected mobile experience.

Engineer Selection

We identify React Native specialists whose experience matches your application type, technical stack, required integrations, and level of engineering ownership.

Architecture Alignment

The selected developers align with your existing architecture, repositories, API contracts, design system, coding standards, testing approach, and delivery workflow.

Sprint Delivery

Development progresses through defined product increments with code reviews, testing, demonstrations, technical feedback, and regular progress visibility.

Release & Evolution

After launch, the team can continue with monitoring, maintenance, feature releases, optimisation, platform updates, and technical improvements as the product grows.

Mobile Product Engineering with React Native

Create and evolve mobile products with React Native engineers who combine cross-platform development with practical experience in APIs, native capabilities, product integrations, testing, and app performance.

New Mobile Product Builds

Turn product concepts, wireframes, and technical specifications into production-ready applications for iOS and Android.

Existing App Modernisation

Improve ageing mobile applications through architecture refactoring, dependency upgrades, performance work, and React Native migration.

API & Platform Connectivity

Connect mobile experiences with REST APIs, GraphQL services, authentication platforms, payment systems, and cloud infrastructure.

Real-Time Mobile Experiences

Build applications involving live updates, messaging, location tracking, notifications, collaborative features, and dynamic data.

Device Feature Integration

Implement cameras, biometrics, geolocation, Bluetooth, deep links, secure storage, background services, and other device capabilities.

Mobile Commerce Solutions

Develop shopping journeys with product discovery, customer accounts, checkout, payments, order tracking, and personalised experiences.

Mobile Quality & Performance

Improve responsiveness, startup time, rendering efficiency, stability, compatibility, testing coverage, and crash visibility.

Continuous App Engineering

Keep your mobile product moving with ongoing releases, feature enhancements, maintenance, technical upgrades, and optimisation.

React Native Development Rates UK Cost Planning

The cost of React Native development depends on developer experience, application scope, native functionality, integrations, quality requirements, and the amount of ongoing engineering support required.

React Native Developer

Budget: £1,900 — £3,200 / month

Timeline: Flexible

Recommended

Experienced React Native Engineer

Budget: £3,200 — £5,200 / month

Timeline: Flexible

Senior Mobile Engineer

Budget: £5,200 — £7,800 / month

Timeline: Flexible

React Native Technical Lead

Budget: £7,000 — £10,500 / month

Timeline: Flexible

Dedicated React Native Product Team

Budget: £16,000 — £42,000+ / month

Timeline: Flexible

What determines the cost of a React Native project?

Mobile development budgets are influenced by the product's functionality and engineering requirements rather than the framework alone. A simple customer application can require a very different team from a real-time platform involving payments, location services, complex integrations, offline behaviour, and enterprise security.

Key React Native project cost drivers

▸Application functionality and number of screens

▸Backend and third-party integrations

▸Native iOS and Android capabilities

▸Authentication and data protection requirements

▸Offline functionality and synchronisation

▸Real-time communication requirements

▸Automated testing and release infrastructure

▸Design complexity and accessibility requirements

▸Existing application migration or modernisation

▸Ongoing maintenance and feature roadmap

Need exact pricing for your project?

We can estimate your project within 24 hours.

React Native Products Built for UK Businesses

Our mobile engineering capabilities support consumer applications, business tools, SaaS products, commerce experiences, operational platforms, and connected mobile services. We focus on creating applications that are maintainable from the first release and adaptable as product requirements evolve.

Property Audit App

A smart property inspection platform that enables teams to create dynamic audit forms, generate real-time reports, and automatically share them with stakeholders streamlining workflows, improving accuracy, and eliminating manual documentation processes.

Next.jsNode.jsAWS

Bars of Beauty

Bars of Beauty is a vibrant e-commerce platform that is making a style statement with its unique streetwear and trendy apparel collection. We led Bars of Beauty to bring their bold fashion to the digital forefront by crafting a mobile-friendly app and website to enhance the users' shopping experience.

HtmlCssVue.jsPHP LaravelJavaKotlinSwiftIntelligent Search

Urban Pataka

A custom website built for a private label brand, allowing users to personalize products with different sizes and designs through a smooth and user friendly interface, making the buying experience simple and flexible.

Next.jsNode.js AWSReact.jsShopifyPredictive analytics

HMRC Automated Tax Filing App

An easy to use application that allows users to file their annual and quarterly taxes in just a few steps by entering minimal information, making the tax filing process quick, simple, and hassle free.

Next.jsNode.js AWSReact.jsKotlinMongoDB

Icon Global Machinery

A professional and scalable website built for a printing machinery dealer, showcasing products and technical details clearly while allowing business clients to easily explore options and make inquiries through a user friendly interface.

Next.js AWSReact.jsNode.js

FAQs

Answers to common questions about working with React Native developers and building cross-platform mobile applications in the UK.

React Native is a strong option when a business wants to serve iOS and Android users while sharing a substantial amount of application code. It is particularly useful for products where development speed, consistency, and maintainability across platforms are important.

React Native App Development & Hiring in the UK

Other Services

Android App Development

Strong and scalable Android apps customized for the Google Play ecosystem.

Web Development

Custom websites and platforms designed for engagement and business growth.

Software Development

Custom software solutions designed to simplify your business operations.

iOS App Development

We create high-performance iOS apps that are clean, fast, and intuitive.

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From Mobile Roadmap to Production

Our engagement begins with your product goals and ends with a development setup designed around your release schedule, technical environment, and long-term mobile roadmap.

Mobile Strategy Review

We examine your product concept, target users, existing application, technical constraints, integrations, release objectives, and expected mobile experience.

Engineer Selection

We identify React Native specialists whose experience matches your application type, technical stack, required integrations, and level of engineering ownership.

Architecture Alignment

The selected developers align with your existing architecture, repositories, API contracts, design system, coding standards, testing approach, and delivery workflow.

Sprint Delivery

Development progresses through defined product increments with code reviews, testing, demonstrations, technical feedback, and regular progress visibility.

Release & Evolution

After launch, the team can continue with monitoring, maintenance, feature releases, optimisation, platform updates, and technical improvements as the product grows.

Bars of Beauty

HtmlCssVue.jsPHP LaravelJavaKotlinSwiftIntelligent Search

Hire React Native Developers in the UK for Scalable iOS & Android Apps