Gabriel Oliveira Rozendo

Spearheaded a technical transformation to prevent client churn and modernize the agency’s portfolio.

• Client Retention & Recovery: Stabilized failing projects and regained client trust through technical excellence and transparent communication.
• Technical Leadership: Architected end-to-end solutions using Flutter and Dart (Server-side), implementing CI/CD pipelines and AWS cloud infrastructure.
• Team Building & Mentorship: Recruited and mentored junior developers, establishing best practices (MVVM, Clean Code) to ensure project autonomy and long-term sustainability.
• Strategic Growth: Managed the full lifecycle of high-impact projects, from MVP to scaling for hundreds of thousands of users.

Key Projects (detailed breakdown below)

• Athletic Gear: Rebuilt mobile apps and server backend using Dart (Dart Frog + Drift) on AWS.
• BHBus+: Rebuilt the mobile navigation and ticketing app, integrating with existing REST APIs.
• Bastante: Developing a specialized platform for short-term hiring solutions.

Worked on Apple TV streaming platform app development

• Built app with Swift 5, Combine, VIPER architecture
• Implemented native accessibility features for visually impaired users
• Collaborated in a cross-functional team of 10 members (tvOS devs, iOS devs, QA, tech lead, PO)

Developed iOS application for CHANEL customer experience

• Fixed bugs and developed new features using Swift 5
• Implemented MVVM architecture and REST APIs
• Conducted snapshot unit testing

Developed mobile banking application

• Rewrote app using Flutter + BLoC
• Proposed and implemented CI/CD pipeline
• Developed new features and fixed bugs

Worked on the Insurance team at Inter Bank, a fintech with diverse features beyond banking.

• Developed the Insurance module using MVVM architecture and RxSwift.
• Worked with multi-repository projects on GitLab and Bulk build.
• Integrated with JSON API and CA MAS API Gateway.
• Mentored junior iOS developer in the squad.
• Delivered app versions using Fastlane and Bitrise.

Developed a mobile app compatible with Apple CarPlay while adhering to Apple’s guidelines.

• Built the app using Swift, View Code, and VIPER architecture.
• Integrated backend through REST APIs and Firebase.
• Managed app design via Zeplin with the UX team.
• Used GitLab for version control and CI/CD pipelines for testing and release.
• Worked in a Scrum team using Jira for task management.

Worked on BS2 Bank’s app and “BS2 Flamengo” (football-themed version).

• Developed new features using Swift 4 and Auto Layout (Nib).
• Implemented VIPER architecture and integrated external frameworks using Cocoapods.
• Ensured compatibility with iPhone SE and iOS 11+.
• Managed app schemes and targets to optimize builds.

Worked in various roles over 10 years, contributing to DevOps, software engineering, product ownership, and systems development.

• DevOps & Product Owner (Mar 2014 - Sep 2018):

  • Co-ideated and led the Continuous Integration (CI) and Continuous Delivery (CD) processes for the Belo Horizonte Development Center.
  • Managed Configuration Management processes using Git, TFS, VSTS, and NuGet.
  • Created and maintained software installers using InstallShield and Inno Setup.
  • Led the deployment team and supported internal teams and clients.

• Release Management (Aug 2012 - Mar 2014):

  • Coordinated project releases and planning for cross-branch collaboration.
  • Facilitated project meetings with product managers and team leaders.
  • Planned corporate calendars between company branches.

• Systems Analyst (Jan 2009 - Aug 2012):

  • Managed software configuration across the development area, ensuring version control and secure access.
  • Developed internal tools and applications using C# .NET.
  • Maintained installers and supported teams in configuration environments.

• Software Development Intern (Aug 2008 - Jan 2009):

  • Supported the software engineering team with technical tasks and occasional software maintenance.