Sarah watched the download bar hit 100%. The "Ledge-It" app was live. They hadn't just met a deadline; they had built a bridge between people and their money. The process was grueling, but as the first 10,000 users signed up within the hour, Sarah knew the "Full Version" was exactly what the world was waiting for.
Sarah knew the first step wasn't coding; it was . Her team spent weeks interviewing people who were tired of traditional banks. They identified the core problem: high fees and slow transfers. By the end of the month, they had a Product Requirement Document (PRD) —the "Full Version" of what they were building. Phase 2: The Fortress (Month 2) Sarah watched the download bar hit 100%
While the backend team built the engines (APIs and cloud infrastructure), the designers focused on . They wanted an interface so simple a toddler could save for college. They created a prototype that looked like a finished product, allowing them to "download" feedback from early beta testers before a single line of production code was written. Phase 4: The Sprint (Months 4-5) The process was grueling, but as the first