

Success Case: How TTY updated more than 7,300 components in the technology park of a large bank
Challenge: Update the critical infrastructure of one of Brazil’s largest private banks, facing:
- More than 700 Web Services to be migrated
- More than 600 integration components between high and low platforms
- More than 3,900 consumer objects
- Risk of imminent technological obsolescence
The goal was to avoid operational failures and ensure the modernization of the technology park without impacting the client’s critical systems.
How TTY developed the solution and overcame the challenge
Detailed survey and planning
- Complete technical inventory of the components
- Classification by technical characteristics and integrations
- Definition of migration priorities aligned with the client
Iterative migration process
- Migration organized in short and controlled iterations
- Dynamic adaptation according to the needs of each component
- Continuous deliveries for rapid production validation
Proprietary support tool
- Use of proprietary technology to ensure speed and standardization
- Safe and controlled migration process
Specialized technical team
- TTY’s internal team experienced in modernizing critical environments
- High technical expertise for migrating complex components
Active management and monitoring
- Real-time updated control panel
- Total transparency for all stakeholders
- Adoption of agile project management practices
Result
Migration of 717 Web Services to the GIT repository on Azure DevOps
Implementation of CI/CD, modernizing the development process
Update of Microsoft .NET Framework, eliminating the risk of obsolescence
Creation of 669 z/OS Connect APIs replacing the HIS programs
The updated environment provided greater reliability, agility, and security in the bank's operations.
Recognition
TTY was recognized as:
"Strategic partner in technological modernization, with proven capability in updating critical environments, technical precision, and agile management."
Case highlights
- More than 7,300 components successfully migrated
- Update of Web Services and Frameworks without operational impact
- CI/CD integration implemented
- Secure and standardized migration with proprietary tool
- Complete modernization of cross-platform communication