React Native Developer for Health and Impact Measurement App (iOS and Android)

About Biiah Biiah is a UK-based SaaS platform that measures the impact of arts and culture programmes on health and wellbeing, using the same research standards as clinical trials. Our platform serves organisations that run choirs, workshops, festivals and conferences, and it brings together survey data, attendance and wearable biometric data into insights for each programme. The role We are looking for an experienced React Native developer for a defined project on our mobile app. The app works alongside our web apps as one experience, all connected to a Django REST API. You will join a team of five: our CEO, who is also Product Owner, our Project Manager, our backend developer and our web developer. You will report to the CEO and the Project Manager. Key project outcomes - Stabilise the app: make several critical updates and push them live through the App Store and Google Play - Multi-organisation support: allow users to belong to more than one organisation - Surveys: move survey delivery and onboarding forms onto our new survey functionality - Wearables: reintegrate the data visualisation function so Android users can link wearables in line with updated Google Play requirements, and share wearable data back with users Essential experience - 5+ years with React Native, with apps you have shipped to both app stores - Integrating mobile apps with REST APIs, including authentication and permissions - Comfortable picking up and refactoring an existing codebase - Clear written communication and reliable async working Desirable experience - Apple HealthKit and Android Health Connect - Health, research or survey-based products, and handling sensitive personal data under UK GDPR - API integration experience