I need an end-to-end build of a matchmaking app that pairs people according to two core signals: the activities they like and the times they are actually free. The product must launch simultaneously on iOS, Android and a lightweight Web portal so friends can invite each other from any device. Core user flow • New users create a profile, browse a set of activities presented as searchable categories, then tap to add the ones that interest them. • They provide dates when they are available for the activity • A matching engine cross-references shared activities with overlapping availability and serves up potential partners. Key expectations • Clean, intuitive UI that feels identical across mobile and web. • Activity list must be easy to expand from the admin side; think long-term scalability rather than hard-coded options. • Matching logic delivered as modular code so I can tune weightings (e.g., activity priority vs. time overlap) without a full redeploy. Deliverables 1. Source code for iOS, Android and Web builds 2. Simple admin dashboard to manage activities and monitor matches 3. Build scripts / CI pipeline instructions 4. Short video walkthrough plus setup documentation I’m flexible on the tech stack—React Native, Flutter or another proven cross-platform framework—so propose what you do best and show previous work with calendar integrations. Looking forward to seeing how you’d architect the matching algorithm and UI.