Mobile App Developer Needed for Content Creator Application

Please Read and Respond with Real Evidence of apps work and a fixed price I’m looking for an experienced Senior Mobile App Developer who can build a smooth, stable, high performance mobile application for content creators. The app involves real-time data handling, multiple API integrations, live interactions, and a premium subscription system. This is NOT a basic app I need someone confident with complex logic, fast data pipelines, scalable architecture, and clean UI responsiveness. You should be able to: Develop a cross-platform mobile app (Flutter or React Native preferred) Build a stable backend (Node.js / Python / Go) Integrate multiple third-party APIs (details shared after NDA) Handle real-time data streams smoothly Create a premium subscription system (Apple/Google/Stripe) Ensure the app is fast, efficient, and optimized for mobile Set up database + authentication securely Work from Figma designs and deliver pixel-perfect screens Communicate clearly and meet milestones The project includes: (High-level only, full details after NDA) A real-time feed interface A secondary screen for live monitoring User account system Settings and filtering system Notifications Basic and premium feature tiers Ads for free users Smooth animations + clean transitions Stack preferences (open to alternatives): Mobile: Flutter or React Native Backend: Node.js or Python (FastAPI), PostgreSQL Hosting: Firebase, AWS or Supabase Payments: Stripe + App Store + Google Play Ideal Candidate: 4+ years mobile development experience Strong backend/API integration skills Experience with performance-heavy apps Previous work with live data or creator tools (bonus) Can propose technical improvements, not just code Can work under NDA and respect confidentiality Deliverables: Fully functional MVP Backend + APIs App Store & Play Store ready builds Documentation Ongoing maintenance (optional extension) Before sharing technical details: You must sign an NDA. Apply tot his job