Having spent 25 years at the intersection of technology and banking — from cooperative banks to fintech startups — I've seen this industry transform from DOS-era core banking to AI-driven digital platforms. What began as green-screen terminals and batch processing has evolved into real-time, cloud-native ecosystems that serve millions of customers in milliseconds. This blog is where I share hard-earned insights, industry observations, and practical knowledge for technologists, bankers, and curious minds who want to understand what really happens when legacy meets innovation.