Senior React Native Engineer

About the Company Our client is building an AI-powered workspace platform that brings together chat, tasks, documentation, goals, and collaboration into a single product. The platform places a strong emphasis on mobile usability, security, and productivity, including end-to-end encrypted communications and a feature-rich mobile experience across iOS and Android. The Opportunity We're looking for a Senior React Native Engineer to help scale and evolve a highly interactive mobile application used for team collaboration and communication. This role goes beyond traditional mobile development. You'll work on performance-critical features, real-time collaboration experiences, secure communications, and native mobile integrations while helping shape the future of the company's mobile platform. Responsibilities Mobile Development Develop and maintain React Native applications for iOS and AndroidDeliver high-quality user experiences across mobile devicesContribute to technical architecture and engineering best practicesCollaborate with product, design, and engineering teams to deliver new features Mobile Performance Optimise application performance and responsivenessBuild smooth, highly interactive user experiencesDiagnose and resolve performance bottlenecksImprove application stability and reliability Real-Time Collaboration Features Develop features supporting real-time user interactionsContribute to collaboration and communication functionalityHelp build scalable mobile experiences for growing user bases Native Mobile Integration Work closely with iOS and Android platform capabilitiesImplement and maintain native integrations where requiredUnderstand how React Native interacts with native mobile layersCollaborate on architecture decisions affecting platform performance and scalability Security & Reliability Support the development of secure communication featuresWork with systems that utilize end-to-end encryptionContribute to reliability, scalability, and platform resilience initiatives Required Skills Essential Strong commercial React Native experienceHands-on experience with ExpoAdvanced TypeScript development skillsExperience delivering production mobile applicationsStrong understanding of mobile application architecturePerformance optimisation experienceExperience working with complex front-end systems Preferred Experience with real-time messaging or collaboration productsUnderstanding of native iOS and Android platformsKnowledge of threading, native modules, or mobile performance profilingExperience working on security-conscious productsBackground in productivity, communication, SaaS, or collaboration platforms Ideal Candidate You are a senior mobile engineer who enjoys solving complex technical challenges and understands how to build performant mobile applications at scale. You'll likely have experience working on: Collaboration platformsProductivity toolsMessaging applicationsSaaS productsMobile-first technology platformsYou'll be comfortable operating beyond the UI layer, understanding how mobile systems work under the hood, and contributing to both architecture and implementation decisions.