Web App for Customer Data Storage

My customer data currently lives in separate Excel workbooks, one file per year. This setup has started to feel risky—if a file is corrupted or misplaced I lose everything—so the goal is to migrate all records into a single, secure, browser-based application that can grow with the business... (Budget: ₹1500 - ₹12500 INR, Jobs: Database Management, Excel, MySQL, Node.js, PHP, Software Architecture, Vue.js, Web Development)