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Takeover, progressive redesign and upgrade of existing applications, in reversible steps rather than a full rewrite.
Business value
Less risk than a rewrite, a service that keeps running, and visible gains at each step rather than after two years.
Rewriting a system in one go means reproducing years of undocumented business rules while the old one keeps changing. It is the scenario that fails most often.
We prefer to isolate one domain, replace it behind a stable interface, put it into service, then repeat. Each step is reversible and delivers value on its own.
Migrations run with old and new in parallel, with a way back at every switch. Monitoring is in place before the migration, not after.
Data is migrated with an explicit consistency check, and discrepancies are handled before go-live, never discovered by users.
A staged modernisation plan
Reversible cutovers
Reduced, documented technical debt
A first conversation is enough to clarify the context, priorities and the right place to begin.