Firetruck Assignment App Development

I'm looking for a skilled developer to create a web app and mobile app (iOS and Android) for managing firetruck seat assignments based on member qualifications. Key Requirements: - User Roles: Administrator and Member - Essential Feature: Track and assign based on 'Training Completed' - Ensure that firefighters cannot be used to fill 2 roles Ideal Skills and Experience: - Experience in developing web and mobile applications - Familiarity with user role management - Ability to implement qualification tracking features Please provide relevant portfolio work and experience in your bids.