Subscription-Based Business Tool Development

I need a full-stack web developer to turn my concept for a SaaS business tool into a working application that companies pay for monthly. The core purpose is simple: help other businesses manage their work and customer relationships while, on my end, generating recurring revenue... (Budget: $30 - $250 USD, Jobs: AngularJS, Full Stack Development, Laravel, Node.js, PHP, SaaS Development, Vue.js, Website Design)