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I am a Senior Mobile Engineer with over 7 years of experience in building fast and reliable applications. My expertise lies in developing scalable mobile applications using React Native and Kotlin, focusing on delivering exceptional user experiences. I thrive on collaborating with feature teams to leverage native mobile internals, ensuring peak performance and user satisfaction.…

Eduardo Santos

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I am a Senior Mobile Engineer with over 7 years of experience in building fast and reliable applications. My expertise lies in developing scalable mobile applications using React Native and Kotlin, focusing on delivering exceptional user experiences. I thrive on collaborating with feature teams to leverage native mobile internals, ensuring peak performance and user satisfaction.…

Available to hire

I am a Senior Mobile Engineer with over 7 years of experience in building fast and reliable applications. My expertise lies in developing scalable mobile applications using React Native and Kotlin, focusing on delivering exceptional user experiences. I thrive on collaborating with feature teams to leverage native mobile internals, ensuring peak performance and user satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Advanced

Work Experience

Senior Mobile Engineer at NewFire Global Partners (Client: EkoHealth)

September 1, 2023 - Present

Developed native Android and iOS applications for Eko's medical-grade digital stethoscope, focusing on low-latency rendering and optimized pipelines for real-time signal visualization. Improved user experience by redesigning onboarding flow and implementing RevenueCat for subscriptions.

React Native Engineer at Hurb

August 1, 2022 - August 1, 2023

Led the development of a redesigned home screen using React Native, increasing travel package sales by 40%. Maintained a 99.8% crash-free rate across over 2 million users through proactive monitoring.

React Native Engineer at InChurch

December 1, 2021 - August 1, 2022

Delivered a children’s management module that increased revenue by roughly 20% through successful upselling.

React Native Engineer at Peixe Urbano

November 1, 2018 - December 1, 2021

Owned development for critical parts of the app, including a comprehensive in-app educational platform, ensuring high performance and a seamless cross-platform mobile experience.

Android Engineer at Kobe Apps (Client: Decathlon)

July 1, 2023 - January 1, 2024

Improved checkout and cart flows, maintaining stability above 99% using Crashlytics, and implemented advanced security controls.

Full Stack Web Developer at Freelancer

June 1, 2016 - November 1, 2018

Developed custom websites and web applications using TypeScript, Node.js, and Next.js, implementing production-grade security practices.