Need help building a stone countertop web app from scratch

Project Broad Description I’m looking for a long term coach/mentor to help developing a web-based app (CRM) to be used by stone countertop fabricators or manufacturers. This app will need to broadly allow account users to perform several tasks, including: • Register to use certain functions for free • Upgrade their account to paying account • Manage (add/update/delete/email)their customers • Schedule jobs and site visits • Create/edit/save countertop 2D drawings similar to: o Moraware CounterGo: [login to view URL] o Easy Stone Shop: [login to view URL] • Create and email price quotes and job invoice to user’s customers End Products/Software Packages Two possible versions of app: Stand-alone on-premise installation and shared web application Account and Users Each stone countertop fabricator business has 1 account. Each account has 1 or multiple users with different privileges. Please do not send automated response but with answers to the following questions: Technolo1. gies , including programming languages/libraries you would recommend to use to build this app. Please be as detailed as possible 2. What programming languages/libraries would you recommend for developing the drawing capabilities? 3. Coaching session price/rate/length/format Deliverables Answer to questions + a zoom consultation session