PayFit, a prominent European HR and payroll platform, faced significant engineering challenges as its rapid growth led to a fragmented codebase and prolonged deployment cycles. Initially, the company's attempt to enforce a monorepo structure failed due to inadequate support, causing teams to prioritize independence over collaboration, which resulted in deployment complexities and slowed development. To address this, Nicolas Beaussart joined as a staff engineer and led a strategic initiative to revitalize the monorepo by using Nx and Nx Cloud, focusing on demonstration of value rather than mandates. Through pilot programs and leveraging Nx Cloud for automated CI optimization, deployment times reduced dramatically from 2-5 days to just 20 minutes, and the teams regained confidence in the monorepo system. This strategic shift not only restored operational efficiency but also maintained PayFit's competitive advantage in the fast-paced startup environment, highlighting the critical role of Nx technologies in achieving these improvements.