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

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.

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Experience Level

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.

Education

Bachelor's degree at Estácio de Sá University
January 11, 2030 - March 17, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Professional Services, Software & Internet

Experience Level

Expert
Expert
Expert

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