Complete Cross-Platform Community & Events App (iOS, Android, Web, Backend + Admin)

Bastion is a premium, invitation-friendly members club that lives both in real life and in an app. Members pay a monthly/annual membership and get access to curated in-person gatherings (long dinners, early-morning runs, members-only tables), a private social feed, sub-communities, a member directory, and an earned rank & badge progression system. The app is the companion to the real-world club: it handles discovery, RSVPs, payments, the social layer, and the member's standing. Think "private social club / community OS": part events platform, part private social network, part membership & CRM — with a strong, cinematic, editorial design. We have a complete, polished design for every screen (attached). We are looking for an experienced team (or individual) to build the entire platform to production quality.