Architecture & software engineering
Legacy modernisation
Incremental strangler migration with the old and the new running side by side and proven equivalent before the switch.
12–24 weeksTypical duration
The problem this solves
A rewrite has been proposed three times and never survived contact with the deadline.
What you receive
Artefacts you can hold, and that you can accept or refuse — never a list of activities.
- A seam analysis identifying where the legacy system can be cut safely
- The first slice migrated, running in parallel with traffic shadowed to it
- An equivalence lane proving the new path matches the old before any switch
- The sequenced plan for the remaining slices, each independently shippable
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