Full-Stack developer (React Native + React) | Long-Term Startup Partner

We're an early-stage startup building an AI-powered mobile platform and are looking for a senior engineer who enjoys solving product problems not just writing code. This is a long-term opportunity. We're looking for someone who can own technical decisions, recommend the right architecture, and help us build a scalable product from MVP through production. Project Overview The platform includes: Cross-platform mobile app (iOS & Android) AI-powered chat assistant Authentication User profiles Subscription management Secure payments Push notifications Admin dashboard Analytics API integrations Our focus is building a clean, scalable foundation that can support future AI capabilities rather than shipping features as quickly as possible. Preferred Tech Stack React Native React TypeScript Node.js / Express PostgreSQL Firebase or Supabase OpenAI / Claude / Gemini REST APIs Docker We're open to recommendations if you believe another architecture is better suited. We're Looking For Someone Who Has built production React Native applications Understands backend architecture and scalability Has integrated AI into real products Can make technical decisions independently Communicates clearly and proactively Wants a long-term partnership To Apply Please include: 2–3 relevant mobile applications you've personally worked on. Your exact role in each project. The architecture you'd recommend for this product and why. How you'd approach building a scalable AI chat experience. Your availability. Loom Video (Required) Please record a 1–5 minute Loom video We're not looking for polished marketing videos we simply want to understand how you think through technical problems and communicate your ideas. Applications without a Loom video will not be considered. We're looking for someone we can continue working with well beyond the MVP.