nilava.hashnode.dev📱 React Native at Scale: Lessons from 100K+ UsersEngineering a React Native app that handles millions of daily transactions Introduction When we launched udChalo's mobile app for armed forces personnel, we knew we were building for a unique audience with specific needs: reliability in low-connectiv...Oct 5, 2025·11 min read
nilava.hashnode.dev🔐 PCI DSS Compliance in Mobile Payment SystemsBuilding secure payment infrastructure that handles millions of transactions while meeting PCI DSS standards Introduction When StepSetGo expanded into payment processing for their fitness rewards platform, we faced a critical challenge: implementing ...Oct 5, 2025·13 min read