Lessons Learned Building Fintech Frontends: Things Nobody Teaches You About Handling Money, State, and User Trust (opens in new tab)

When people think about fintech engineering, they often focus on the backend. Payments. Bank integrations. Ledgers. Settlement systems. And rightly so—those systems carry enormous responsibility. But after spending time building frontend experiences around financial products, I've learned that the frontend carries a different kind of responsibility: User trust. In many cases, users don't see your backend architecture. They don't know about your microservices. They don't care about your event-...