The Quiet Migration

📰 Medium · Programming

Learn how banking workflows are migrating out of traditional cathedral structures and into more modern, data-driven architectures, and why this shift matters for the future of banking technology

advanced Published 30 Apr 2026

Action Steps

Analyze your current banking workflow architecture to identify areas for improvement
Research and explore modern, data-driven architectures for banking workflows
Design a roadmap for migrating your workflows out of traditional cathedral structures
Implement a governance model and onboarding pathway for your new workflow architecture
Monitor and evaluate the effectiveness of your new workflow architecture

Who Needs to Know This

This article is relevant for software engineers, architects, and technical leaders in the banking and financial services industry, as it discusses the evolution of banking workflows and the importance of adopting modern, data-driven architectures

Key Insight

💡 The traditional cathedral structure of banking workflows is being replaced by more modern, data-driven architectures, and this shift requires a fundamental transformation of the underlying technology and governance models

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Title: The Quiet Migration

URL Source: https://solutionsarchitecture.medium.com/the-quiet-migration-0bf0f2711c3d?source=rss------programming-5

Published Time: 2026-04-30T00:11:38Z

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# **The Quiet Migration**

[![Image 2: Rahul Krishnan](https://miro.medium.com/v2/da:true/resize:fill:32:32/0*FgnRIQPBHA05wnAZ)](https://solutionsarchitecture.medium.com/?source=post_page---byline--0bf0f2711c3d---------------------------------------)

[Rahul Krishnan](https://solutionsarchitecture.medium.com/?source=post_page---byline--0bf0f2711c3d---------------------------------------)

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48 min read

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Apr 30, 2026

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**_Why Banking Workflows Are Following Banking Data Out of the Cathedral_**

_“The master’s tools will never dismantle the master’s house — but they make a serviceable cage.”_

— a domain architect, in a meeting that was not minuted

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![Image 3](https://miro.medium.com/v2/resize:fit:700/1*a-uAJ8-dIVndf9CfuGbJHg.png)

There is a particular meeting that recurs, with only minor variations, in every large bank I have worked in or alongside — well mostly everywhere. A platform team — call them the Workflow Centre of Excellence, or the BPM Practice, or the Process Automation Capability — presents a roadmap. The roadmap is competent. It contains a reference architecture, a governance model, an onboarding pathwa

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The Quiet Migration

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