A national platform, rebuilt
A national information platform ran on an ageing 4D system that had become slow to use and expensive to develop. The goal: a modern foundation with full feature parity and room to grow.
The challenge
The legacy stack made every change risky and slow, and performance was holding the platform back. A rewrite couldn't afford to lose a single feature used across the country.
Our approach
Mapped the legacy system in detail to guarantee feature parity before migrating.
Rebuilt on a typed, server-rendered Next.js architecture for speed and maintainability.
Migrated incrementally with parity testing to reduce risk at every release.
Tuned rendering and caching so pages are fast on first byte and every interaction after.
“The migration gave us a far faster platform without losing a single feature along the way. Squares kept us confident through the whole process.”
— Casper Kongstien, Product Owner, Vilbli
What it delivered.
Related solution
Note: figures and quote on this page are placeholder sample data, not real client numbers.
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