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Caio César FernandesCF
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Caio César Fernandes

@caiocsarfernandes

I build secure, high-performance Android systems for BMW vehicles and banking products.

Portugal
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At Critical TechWorks for BMW Group, I develop Android Automotive OS applications using Kotlin and Jetpack Compose, integrating vehicle platform services and proprietary automotive frameworks.

I lead performance analysis with Perfetto, Android StrictMode, and LeakCanary, while improving modularity and testability through Koin, multimodular architecture, and automated unit, integration, and UI testing.

Previously at BTG Pactual, I led mobile security architecture for Brazil's largest investment bank, implementing DexGuard protections, Frida penetration testing, BioCatch behavioral biometrics, and FaceTec liveness detection to reduce fraud and runtime manipulation risks.

I also created PerfKit, an open-source modular Android SDK that detects and classifies StrictMode violations in real time through a Jetpack Compose debug panel without impacting production builds.

Experience

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Education

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Universidade Federal do Para logoUP

Universidade Federal do Para

Bachelor of Engineering, Computer Engineering

Completed a degree in Computer Engineering at Universidade Federal do Para in 2018.

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