B2B CRM Full-Stack Development

I need a seasoned full-stack developer to build out a bespoke B2B CRM that combines sales tracking, customer-support management, and marketing automation in one cohesive web app. The goal is to give our... (Budget: ₹12500 - ₹37500 INR, Jobs: Full Stack Development, MySQL, Node.js, React.js, REST API, Salesforce.com, Software Architecture)