SUCCESS CASE

Modular Modernization
and migration
of 900 APIs
to the cloud

One of the largest consortium administrators in Brazil migrated 900 corporate APIs to the Azure cloud with the modular strategy and the Marvin Lift accelerator from ília, ensuring continuous modernization of its platform without any operational interruption.

Marvin Lift
Azure
Cloud

Results

Migrated corporate APIs
0
Microservices and APIs mapped for modernization
~ 0

Full migration of the IBM stack to Microsoft Azure

Technological conversion of Java components to C# .NET

Overview

One of Brazil’s largest consortium administrators operated under a highly integrated legacy architecture, supported by an IBM APIC service bus. Faced with a high volume of systems and the complexity of the integrations, the company needed to modernize its platform and evolve its technology stack to the cloud without compromising the stability and continuity of daily operations.

The challenges

Monolithic legacy architecture strongly integrated into the IBM APIC bus, generating high systemic coupling.
Technical and operational infeasibility of performing a full migration in a "big bang" model.
High volume and complexity of integrations and interdependent systems to be decoupled.
Critical need to keep operations active and stable throughout the entire transition process.

Journey
and solutions

To modernize the ecosystem without operational risk, ília designed a modular, results-oriented strategy guided by the “Modernize First, Optimize Later” approach. Supported by the Marvin Lift accelerator, the migration was structured by business domains, progressively decoupling components and eliminating legacy dependencies before deeper refactorings.

What did we deliver?

Mapping of ~500 microservices and APIs eligible for modernization.
Technical migration of the IBM stack to Microsoft Azure and conversion from Java to C# .NET.
Adoption of service-oriented architecture and serverless computing (FaaS / Cloud).
Phased rollout transition strategy ensuring business continuity.

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