Karny · SaaS Invoicing Platform UX Case Study

This UX/UI case study explores the end-to-end design of Karny, a TND-native SaaS invoicing platform built specifically for the Tunisian freelance market. From understanding local pain points around invoicing, fiscal compliance, and client management, to crafting a clean and intuitive dashboard experience — every design decision was grounded in real user needs. What's covered in this case study: Problem definition & user research Information architecture & user flows UI design system & component library Dashboard, invoices, quotes, and client management screens Localization for the Tunisian market (TND currency, fiscal logic) The result: a zero-friction invoicing experience that turns a 45-minute nightmare into a 3-minute professional moment.