Senior Full Stack Developer experience in building and launching consumer mobile apps.

About Classified Classified is building a social discovery and adventure platform designed to help people explore their city, create memorable experiences, and build meaningful real-world connections. Our mission is simple: Turn the world into a playground. Long term, Classified aims to become a platform that helps combat loneliness and social isolation through adventure, exploration, and community-driven experiences. Seeking a Senior Full Stack Developer with experience building and launching consumer mobile applications. Ideally you have experience with: React Native Expo Supabase PostgreSQL Stripe GPS / location-based applications Photo uploads Authentication Admin dashboards Marketplace or booking-style applications Experience launching consumer-facing products is highly desirable. Current Stage We are currently building and testing an MVP using Lovable. The purpose of the current MVP is to validate: - User demand - User experience - Willingness to pay - Adventure completion rates - Referral and repeat usage behaviour We are not looking for someone to build an MVP from scratch. We are looking for an experienced developer who can: - Review the validated MVP - Recommend a production-ready architecture - Advise what should be retained, improved or rebuilt - Build the next-stage application ready for market launch and future scale The successful candidate should be comfortable challenging assumptions and advising on the best technical approach. The initial release is focused on self-guided adventure experiences with team functionality, GPS progression, photo challenges, leaderboards and payments. Future expansion may occur but is not in scope for this project Expected MVP Launch Features - User Accounts - Email login - Social login - User profile - Teams - Create team - Join team - Invite team members - Adventures - Browse adventures - Purchase adventures - Unlock clues sequentially - GPS-based progression - Timer and completion tracking - Challenges - Complete missions - Upload photo evidence - Earn points - Leaderboards - Team rankings - Adventure completion times - Payments - Stripe integration - Adventure purchases - Admin Dashboard The business owner should be able to: - Create adventures - Edit adventures - Create clues - Manage venues - Update pricing - View users - View bookings No developer should be required to create new adventures once the platform is live. Questions to answer in response: - If this app reached 10,000 users, what would be the first technical bottleneck? - What would you remove or simplify from the MVP and why?