Backend App dev needed

I'm building a consumer iOS app and I'm looking for an experienced developer (or small team) to finish the remaining features, polish the UX, and ship it to the App Store. The stack is [React Native / Swift / Flutter] on the frontend with a [Node.js + Postgres / Supabase / Firebase] backend, plus several third-party integrations including a major AI provider. The repo, full product details, and a walkthrough will be shared with shortlisted candidates after a short call and NDA. The remaining technical scope includes camera and image handling (in-app capture, compression, permissions, and integration with an AI service for analysis), a conversational AI feature with streaming responses and session memory, an iOS home-screen widget built with WidgetKit (small + medium sizes, with deep-linking back into the app), native iOS share-sheet integration with dynamically generated branded share images, push notifications via APNs, and backend hardening — Sign in with Apple, user profiles, data sync, rate limiting, error handling, and basic analytics. Required experience: 3+ years shipping production iOS apps (please link 2+ live App Store apps you've built or contributed to substantially), hands-on WidgetKit experience as a hard requirement, real backend experience (auth, REST/GraphQL, Postgres or similar), experience integrating LLM APIs (streaming, token management), comfort with iOS camera/vision APIs, and at least one app personally taken through App Review. Apply tot his job Apply To this Job