I'm a Senior Android Developer with over 8 years of experience creating high-quality mobile applications. I specialize in leveraging Kotlin, Java, and modern Android development frameworks to build secure, scalable, and engaging apps. Passionate about clean architecture, intuitive user interfaces, and optimized app performance.

• LinkedIn: Guilherme Rocha
• GitHub: guilhermerocs
• Email: [email protected]
• WhatsApp: +55 31 9733-26527

• Android SDK | Jetpack Compose | Jetpack Libraries
• RESTful APIs | GraphQL
• Dagger | Hilt | Koin (Dependency Injection)
• RxJava | Kotlin Coroutines (Asynchronous Programming)

• Retrofit | OkHttp
• Firebase (Cloud Messaging, Analytics, Crashlytics)
• CI/CD Pipelines (GitHub Actions, Jenkins)
• IntelliJ IDEA | Android Studio

Android Developer (Nov 2024 - Present)

• Optimized app performance, achieving a 25% efficiency increase.
• Qualified 600+ events across PayPal repositories with advanced debugging tools.
• Delivered high-quality solutions leveraging Kotlin and Android architecture components.

• PayPal App: Download on Google Play

Lead Android Developer (May 2021 - Nov 2024)

• Spearheaded adoption of Jetpack Compose, boosting development velocity by 15%.
• Designed and integrated RESTful APIs and GraphQL services.
• Mentored junior developers, fostering team growth and scalability.

• Ford: Learn more
• Sherwin Williams: Download on Google Play
• Ternium: Learn more
• Home Tester Club: Explore platform
• Abastece Aí: Download on Google Play
• Patrus Transportes: Download on Google Play

Android Developer (May 2017 - May 2021)

• Led over 20 Android projects, transitioning from intern to team leader.
• Engineered a ride-hailing app for 30+ cities in Brazil.
• Delivered robust architectures and seamless user experiences.

• Uber-like App: Explore project
• Sem Patrão: Download on Google Play
• Kumon Audiobook: Download on Google Play
• EfiBank: Download on Google Play

• Bachelor of Computer Science
  Federal University of Ouro Preto (UFOP)
  (2014 - 2019)

• Technical Course in Computer Science
  Federal Center for Technological Education (CEFET-MG)
  (2011 - 2014)

• Portuguese: Native
• English: Advanced

🖊 Download my Resume here

• 🏀 I’m passionate about technology, fitness, and continuously learning new skills!
• 🏋️‍♂️ Climb 300+ flights of stairs daily as part of my fitness routine.
• 🔄 Always exploring ways to optimize apps and team workflows.

Thanks for stopping by! Feel free to reach out if you'd like to collaborate, discuss exciting opportunities, or just talk tech! 🚀