Legacy System Modernization
Turn outdated systems into modern, maintainable applications without a risky big-bang rewrite.
Legacy systems usually still run the business, which is why rewriting them all at once is risky. We modernize incrementally: wrapping the old system with tests and APIs, then replacing it piece by piece while it keeps running.
The goal is less technical debt, faster feature delivery and a codebase new developers can work in.
What's included
- Assessment of the current system, its dependencies and its riskiest areas
- Incremental migration plan with milestones that each deliver value
- Automated tests around existing behaviour before changes
- Data migration with validation and rollback plans
- Framework, runtime and dependency upgrades
- Move from on-premise servers to managed cloud services
Who it's for
- Applications on unsupported frameworks or runtimes
- Systems only one or two people understand
- Businesses where every new feature takes far longer than it should
Technologies
Next.js · React · Node.js · Go · AWS · Google Cloud Platform · Docker
Frequently asked questions
Do we have to stop using the old system during modernization?
No. We migrate incrementally so the existing system keeps serving users until each replacement part is proven in production.