Application Developer

Experis; London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A technology consulting company is seeking an Application Developer in London for a hybrid role focusing on React Native development. Candidates should have proficiencies in advanced JavaScript, React Native, and experience with native module integration. This position is ideal for those with a strong technical background in mobile application development who can navigate complex architectural and integration challenges.

Qualifications

• Proficient with React Native and Expo open source modules.
• Strong understanding of hooks, context, and state management.
• Expert-level debugging and problem-solving across iOS/Android platforms.

Responsibilities

• Develop and maintain mobile applications using React Native.
• Integrate native modules in Expo for enhanced functionality.
• Ensure performance optimization and maintainability for large-scale projects.

Skills

React Native & Expo

Strong React fundamentals

Advanced JavaScript (ES6+) and TypeScript

State Management & Storage Redux

Native Platform Integration Swift (iOS) and Kotlin (Android)

Tools

React Navigation

GraphQL Integration Apollo

Firebase Remote Config

Job description

Overview

Application Developer

London - hybrid

8 Months+

Inside IR35- Umbrella only

Core Technical Skills

• React Native & Expo: Proficient with React Native and Expo open source modules (bare workflow)
• Strong React fundamentals: hooks, context, state management
• React Navigation, app routing JavaScript & TypeScript
• Advanced JavaScript (ES6+) and TypeScript
• Type safety and maintainability for large-scale projects
• Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules
• Native module integration in Expo
• React Native projects
• State Management & Storage Redux for complex state management
• MMKV for high-performance key-value storage

Nice to have skills

• Architecture & APIs System Design
• Deep expertise in complex React Native architectures and patterns
• Subject matter expert for technical problem-solving and architectural guidance
• Designs solutions for the most challenging technical requirements
• GraphQL Integration Apollo GraphQL client expertise
• Query optimisation, caching, error handling
• Real-time subscriptions (coming soon)
• Integration Adobe Analytics implementation and mobile tracking
• Adobe Experience Manager (AEM) for content delivery
• Firebase Remote Config for feature configuration
• CI/CD
• Knowledge of native build processes and optimisation
• Go-to person for complex deployment and build issues
• GitLab CICD experience a plus
• Deep Technical Requirements
• Expert-level debugging and problem-solving across iOS/Android platforms

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply