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Experienced mobile app engineer with 13 years of building high-quality applications. Focused on Flutter and the implementation of design systems, creating scalable shared UI libraries and highly reusable widgets and components across multiple products and teams. Strong background across Android and iOS (Kotlin/Swift), clean architecture and modularization, and end-to-end delivery with CI/CD, automated unit/UI tests, and app store releases. Adept at collaboration with cross-functional teams, code reviews, and mentoring while delivering complex UI features aligned to product requirements.…Experienced mobile app engineer with 13 years of building high-quality applications. Focused on Flutter and the implementation of design systems, creating scalable shared UI libraries and highly reusable widgets and components across multiple products and teams. Strong background across Android and iOS (Kotlin/Swift), clean architecture and modularization, and end-to-end delivery with CI/CD, automated unit/UI tests, and app store releases. Adept at collaboration with cross-functional teams, code reviews, and mentoring while delivering complex UI features aligned to product requirements.

Siloe Bezerra Bispo

Software Engineer, App Developer, Front-End Developer, +1

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Experienced mobile app engineer with 13 years of building high-quality applications. Focused on Flutter and the implementation of design systems, creating scalable shared UI libraries and highly reusable widgets and components across multiple products and teams. Strong background across Android and iOS (Kotlin/Swift), clean architecture and modularization, and end-to-end delivery with CI/CD, automated unit/UI tests, and app store releases. Adept at collaboration with cross-functional teams, code reviews, and mentoring while delivering complex UI features aligned to product requirements.…Experienced mobile app engineer with 13 years of building high-quality applications. Focused on Flutter and the implementation of design systems, creating scalable shared UI libraries and highly reusable widgets and components across multiple products and teams. Strong background across Android and iOS (Kotlin/Swift), clean architecture and modularization, and end-to-end delivery with CI/CD, automated unit/UI tests, and app store releases. Adept at collaboration with cross-functional teams, code reviews, and mentoring while delivering complex UI features aligned to product requirements.

Available to hire

Experienced mobile app engineer with 13 years of building high-quality applications. Focused on Flutter and the implementation of design systems, creating scalable shared UI libraries and highly reusable widgets and components across multiple products and teams.

Strong background across Android and iOS (Kotlin/Swift), clean architecture and modularization, and end-to-end delivery with CI/CD, automated unit/UI tests, and app store releases. Adept at collaboration with cross-functional teams, code reviews, and mentoring while delivering complex UI features aligned to product requirements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Advanced

English

Intermediate

Work Experience

Senior Developer at Norwegian Cruise Line Corporation

March 1, 2025 - Present

Leading global cruise operator. Planned and implemented design system libraries. Built complex UI elements aligned with requirements, creating testable and scalable shared libraries for other teams. Released widgetbook documentation for components and their characteristics. Implemented reusable widgets/libraries, collaborated with cross-functional teams to ensure integration, validated component tests, and maintained code quality through PR reviews. Technologies included Flutter/Dart with Clean Architecture and modularization, Widgetbook, CI/CD with Fastlane, and automated testing (unit and UI/widget).

Senior Developer at Compass.uol (Pagbank developer)

November 1, 2023 - March 1, 2025

Digital transformation consultancy where worked as Pagbank developer. Built and evolved mobile features with Flutter and native iOS/Android support. Followed MVVM/BLoC and clean architecture practices using modularization and third-party libraries. Delivered complex UI and integration work with CI/CD (Bitrise) and Fastlane, including unit and instrumentation testing as well as UI/widget tests. Supported streaming (video/audio), implemented mobile data and authentication features, and collaborated with designers using Figma.

Senior Mobile Software Engineer at App2Sales

July 1, 2020 - November 1, 2023

Mobile software company focused on building and scaling Flutter apps. Collected system requirements, defined and implemented UI/UX, and planned and delivered Design System libraries. Created and validated unit/UI/widget tests for new components and performed code reviews. Maintained a banking app with 50M+ downloads and launched additional community and consumer apps with hundreds of thousands of downloads. Built reusable components with smooth animations, developed apps from scratch, defined scalable architectures, and integrated native Android/iOS features into Flutter. Managed CI/CD and release pipelines (Bitrise/Fastlane) and implemented analytics/crash/notifications using Firebase and Sentry, plus in-app purchases via RevenueCat and configuration via RemoteConfig.

Developer at Codisauto

August 1, 2018 - June 1, 2020

Auto parts retailer operating in multiple states. Developed mobile features using Flutter/Dart and contributed to backend and data layers with Dart backend, Python, and SQL. Worked with Oracle Database and implemented integrations using REST APIs and GraphQL. Supported automated testing (unit/instrumentation/UI/widget) and created improvements across Android/iOS and server-side code. Also contributed to front-end development with HTML/CSS/JavaScript and maintained CI/developer workflows using Git and Git hooks.

Lead Mobile Development at App2Sales

October 1, 2015 - August 1, 2018

Mobile startup building scalable mobile solutions. Launched a video stream app (300k+ downloads), school app (100k+ downloads), and meditation app (100k+ downloads). Created and released apps from scratch, built backend infrastructure, and designed database integration with security. Developed automation scripts for daily operations and supported sales-focused tooling used by nearly all sales representatives. Also built app components using React Native.

Mobile Application Developer (Freelance)

January 1, 2014 - October 1, 2015

Freelance Android and mobile application development work.

Android Developer at Asa Inovação

January 1, 2013 - December 31, 2013

Technology innovation company focused on Android mobile applications. Architected and designed an app interface for scalability and flexibility. Spearheaded development of 200+ Android and iOS applications and helped create a proprietary white-label platform that allowed customers to assemble apps from components. Enabled customers to launch 200+ apps on the platform. Also improved performance of a payment gateway platform by 6x as a consultant. Worked on native (Java Android) and React Native implementations.