Rebuilding a legacy payment platform for global scale
A payments company needed to replace a decade-old monolith that was blocking their growth. We re-architected their core platform using microservices, replaced their manual release process with automated CI/CD, and delivered the migration in rolling phases - with zero downtime.
The situation
The client operated on a monolithic payment system that had grown over many years. Releases were manual, risky, and infrequent. New product features required touching fragile shared modules, and the team could not scale delivery without increasing operational risk.
What we did
We designed a phased migration to a service-oriented architecture, introduced automated CI/CD, and established clear domain boundaries. Each migration phase was delivered with parallel running systems, automated regression coverage, and rollback paths - so production stability was never compromised.
What changed
Delivery confidence
Automated pipelines and test coverage replaced manual release checklists.
Architecture clarity
Domain boundaries made it easier for teams to ship independently.
Operational stability
Rolling migration approach maintained service continuity throughout.
Stack used
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