Evolution

LegacyModernization

We unpack the systems that run the business — then move them forward without a reckless rewrite. Stranglers, facades, data migration and a plan the board can fund.

Laptop showing code during a system modernization session

Overview

The rewrite is a last resort. We map risk, put a facade in front of the old world, siphon capability in slices, and dual-run until parity is honest.

Who it is for

CIOs trapped on aging cores
Operations that cannot take a shutdown
Boards funding a multi-year program

Problems we solve

Mainframes and monoliths no one wants to touch
Talent that cannot be hired for the old stack
Fear of a multi-year rewrite that never launches

What we deliver

Current-state and risk map
Strangler architecture
Data migration and dual-run
Parity test suites

Features

Current-state architecture and risk map
Strangler-fig and incremental cutover
Data migration and dual-run strategies
Parity tests so the business stays honest

In the work

Technology stack

Java.NETPythonPostgreSQLKafkaContainers

How we deliver

01
Discover
02
Strategy
03
Design
04
Build

Related projects

LedgerLine Civic OS Harbor Ops

Benefits

→ Risk reduced in slices, not a cliff
→ New features become possible again
→ A stack people will actually join to work on

FAQ

Rewrite or wrap?+

We prove the thinnest path that unlocks value. Full rewrites are a last resort.

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