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JABSTECHNICAL CONSULTING
Practice 03

Modernize in phases. Keep the lights on.

Legacy systems rarely get replaced in one move. We upgrade backends, APIs, and integrations incrementally, so the business keeps running while the platform improves.

Map

System & dependency mapping

What talks to what, what's load-bearing, and what can safely change first.

Split

Incremental decomposition

Carve services out of the monolith in an order that reduces risk instead of adding it.

Bridge

API & integration layer

New services and old systems coexisting behind a stable contract.

Prove

Regression safety net

Automated coverage on the paths that would hurt most if they broke.

Case study

Rebuilding the backend of a high-volume claims platform without a freeze

Challenge

Core claims processing ran on frameworks years past support, making every change slow, risky, and hard to staff for.

Approach

Phase-by-phase migration behind a stable API layer, with automated regression coverage added ahead of each phase and rollback available at every step.

Result

A supported, testable platform delivered without a feature freeze, and a team able to ship again without waiting on specialists.

0
Feature freezes required
Phased
Rollback at every step
100%
Critical paths under test
Practice 03

Sitting on a system nobody wants to touch?

Book a 30-min modernization review