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NDA first100% your IPLGPD · GDPR
Modernize the system without stopping it.
We replace legacy code piece by piece, behind the same interfaces, so the business keeps running while the platform changes underneath.
01 / THE PROBLEM
The system that runs the business is the one nobody wants to touch.
<Old PHP or Java versions with no tests and no documentation.
<Every change takes weeks and breaks something unrelated.
<The people who wrote it have left.
02 / HOW WE SOLVE IT
01
Map before we move
Characterization tests, dependency maps and a list of what really runs in production.
02
Put a seam in front
A routing layer lets old and new code serve traffic side by side.
03
Replace module by module
Each module is rewritten, tested against the old behaviour and switched over.
04
Retire the old code
When no traffic reaches a legacy module, it is deleted.
03 / STACK AND TIMELINE
Java 21 · Spring BootPHP 8PostgreSQL · MongoDBKafka for change data captureDocker · KubernetesCharacterization tests
M1Mapping
M2–5Module by module
M6Retirement
<routes.yaml
01# Strangler routing: new modules take traffic one path at a time
02routes:
03 - path: /api/invoices/**
04 target: http://billing-v2:8080
05 - path: /api/customers/**
06 target: http://billing-v2:8080
07 - path: /**
08 target: http://legacy-php:80
WHY TEAMS TRUST US
NDA firstWe sign your NDA before we see a line of your code.
Your IP100% of the code and intellectual property belongs to you.
LGPD & GDPRPersonal data handled under Brazilian and EU law.
Day-one accessRepository and board shared from the first day.
Weekly demosWorking software shown live every week.
A WGB Soluções de Software company · Santa Rita do Sapucaí, Brazil
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CONTACT
Have a project with a deadline?
Send us your requirements. We come back with a scope, a timeline and a fixed price.
WHAT HAPPENS NEXT
Day 0A 30-minute call with a tech lead. We sign your NDA first if you need it.
Day 1A written summary of the call and our open questions.
Days 3–7A proposal with scope, timeline, team and a fixed price.