There is a glitch with loading on front end need a backend developed for the Odyssey 1 Janitorial Bid App, which will be used in the field. The app's primary function is to create and manage bids. I already have the front end, so the focus is on building a robust backend... (Budget: $1500 - $3000 USD, Jobs: Android, API Development, Backend Development, Database Management, Mobile App Development, Node.js, Web Application, Web Development, Web Hosting, Web Services)