Milestone 1: DOCX/XLSX Translation App MVP

For the first milestone of my translation-management web app, I need solid file handling delivered in one week. The goal is simple: DOCX and XLSX files must move through the system, be split into translation segments, and return to their original formats looking exactly the same... (Budget: ₹1500 - ₹12500 INR, Jobs: API Development, Automation, Backend Development, Git, JavaScript, PHP, Python, Software Architecture, Software Development, Web Development)