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Learning series · Technology & AI · 7 lessons

How Do I Modernize My Legacy System with AI?

A practical series for every Saudi company that still depends on a legacy system that works but has become costly or risky: how to tell your system needs modernizing, how to inventory your systems before any decision, how AI extracts the business rules buried in old code, when to rewrite, migrate or replace, how to test and cut over without stopping the business, and where your data goes during modernization, with Amazon's AWS Transform as a live example.

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How Do I Modernize My Legacy System with AI?
7 of 7 published

Lessons in this series

  1. 01How Do I Modernize My Old System with AI? Learn from AmazonYou can now hand a large part of modernizing your old system to AI, as long as your team reviews the result. In the first part of the series we explain how Amazon's AWS Transform works, what happened for those who tried it, what it costs, and whether it fits your business in Saudi Arabia.Part 1 of 7 · 7 min read
  2. 02Does My Legacy System Need Modernizing? Signs Not to IgnoreYour legacy system needs modernizing if it is out of vendor support, only one person understands it, or e-invoicing still needs manual work. In part 2 of the series we cover the signs not to ignore, when it is better not to modernize yet, and an 8-point scoring exercise for each system.Part 2 of 7 · 7 min read
  3. 03How Do I Inventory My Legacy Systems Before Deciding?Inventory your legacy systems with one page each: owner, users, data, connections, outage impact and licenses. Part 3 of the series covers what goes in the inventory, how AI speeds it up, and the five decisions for every system.Part 3 of 7 · 7 min read
  4. 04How Do I Extract Business Rules from My Old System with AI?AI reads your old system's code and writes each business rule as a clear sentence, then the process owner confirms it. Part 4 covers the method, the EARS format, the Thought Machine and Amazon example, and a one-rule test on 3 invoices.Part 4 of 7 · 7 min read
  5. 05Should I Rewrite, Migrate or Replace My Legacy System?You have 4 ways to modernize a legacy system: move it, convert its code, rebuild it or replace it. Part 5 compares them in one table: when each path fits, what it keeps, what it risks and who must be involved.Part 5 of 7 · 7 min read
  6. 06How Do I Move to the New System Without Stopping Work?You move to a new system without downtime by running both and comparing outputs before switching the old one off. Part 6 covers testing AI-converted code, who signs off each module, and when to roll back.Part 6 of 7 · 7 min read
  7. 07Where Does My Data Go When I Modernize? PDPL, 90-Day PlanWhen you modernize with AI, your code and data may be processed outside the Kingdom, so separate personal data before you send anything. The final part: what actually leaves, where a tool like AWS Transform processes it, what the PDPL requires, and a 90-day plan that pulls the series together.Part 7 of 7 · 8 min read

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