Enterprise architecture is evolving as banks adapt to digital disruption, regulatory pressure and tech-savvy customers, accelerated by Covid-19. Legacy-heavy traditional banks face greater challenges than digital-native ones, as rigid architectures hinder agility and innovation. While earlier enterprise architecture focused on translating strategy into IT, it often became a constraint for rapid digital initiatives. New-age enterprise architecture shifts focus from technology to business value, customers, FinTech ecosystems, digital capabilities and data. It is business-centred, customer-oriented, FinTech-friendly, data-driven and designed to enable end-to-end digital transformation.

Key design principles include evolutionary architecture with no fixed end state, Minimum Viable Architecture (MVA), modular and loosely coupled components, plug-and-play integration, cloud-native microservices and high agility through iterative development. Frameworks such as Open Agile Architecture (O-AA), TOGAF, SAFe, BIAN and DevOps support this shift, enabling enterprises to scale, innovate and respond quickly to change.