Legacy Modernization.
Core systems rebuilt in increments, beside the one still running.
Your situation
The system runs the business and nobody dares touch it. The documentation describes a version that no longer exists, the people who built it have left, and every change takes a quarter.
What we do
We start from the code, not the documentation, inventory every capability, and rebuild them one at a time beside the running system, with parity tests and shadow traffic proving each one before the old path is switched off.
- 01
Capability inventory
What the system actually does, read from the code and the traffic.
- 02
Migration plan
Capability by capability, each with a rollback.
- 03
Strangler build
New beside old, with the old serving until parity is proven.
- 04
Parity tests
Old and new compared on real traffic before every switch.
- 05
Data migration
Reconciled, rehearsed, repeatable.
- 06
Decommissioning
A checklist, not a hope.
In production
FAQ
How will we know it worked?
Every project starts with success metrics and, for AI, an evaluation set built from your real cases. We report against both, with dates and sample sizes.
Can we leave you?
Yes. Everything is yours at delivery, documented, with a handover. The architecture is model-agnostic so you are not locked to a provider either.
Who maintains it afterwards?
The team that built it, under a run retainer with an SLA, or your team after a handover. Both are standard.
Which system does everyone depend on and nobody dares to change? Tell us, and we reply within one business day.
Send a few lines about the problem and the people it affects. The reply comes from the engineer who would lead the work.
- 01 We read the brief and reply in writing.within 1 business day
- 02 A 30-minute call to understand scope and constraints.same week
- 03 A written proposal: options, assumptions, estimate.within 5 business days
- 04 Kickoff with the team that scoped it.on your timeline