WCWilson Carvalho
@wilsoncarvalho
Senior Frontend and Mobile Engineer specializing in React ecosystems.
BrazilWhat I'm looking for
I am a Senior Frontend and Mobile Engineer focused on React and React Native, with a strong track record of improving performance, stability, and user engagement across mobile and web products.
At Styla, I increased mobile onboarding completion from 50% to 97%, drove 35% DAU growth, and built a Next.js browser extension adopted by 3,000+ users and 1,000+ stores. I also reduced React Native memory usage by ~40% and eliminated the majority of OOM crashes through targeted optimizations.
I have taught React Native fundamentals and performance optimization to over 500 students and have hands-on experience improving web performance (95+ PageSpeed), mentoring junior engineers, and migrating codebases to TypeScript to reduce production crashes.
I bring a pragmatic, metrics-driven approach to engineering, pairing instrumentation (Mixpanel, Sentry) with careful architecture and modern toolchains to deliver reliable, high-performance user experiences.
Experience
Work history, roles, and key accomplishments
Senior Frontend Engineer
Stylar
Sep 2022 - Present (3 years 5 months)
Led frontend and mobile engineering initiatives that increased mobile onboarding completion from 50% to 97% and grew DAU by 35%; built a Next.js browser extension to 3,000+ users and reduced React Native memory usage ~40%, eliminating 90% of OOM crashes.
React Native Instructor
Alura
Jan 2025 - Feb 2025 (1 month)
Taught React Native fundamentals and performance optimization to 500+ students, achieving a 4.8/5.0 rating and delivering curriculum on profiling, FlatList virtualization, and memory leak prevention.
Frontend & Mobile Developer
Fuerza Studios
Jul 2021 - Sep 2022 (1 year 2 months)
Improved web performance to 95+ PageSpeed and 100 SEO via Next.js SSR and code-splitting, increasing organic traffic 40%; mentored juniors and migrated React Native codebase to TypeScript to reduce production crashes.
Mobile Developer
Freelancer
Mar 2020 - Jul 2021 (1 year 4 months)
Built a real-time multiplayer mobile game handling synchronization and low-latency interactions using React Native and SignalR, delivering real-time state management and turn-based gameplay.
Mobile Developer
Ayo
Mar 2020 - Nov 2020 (8 months)
Implemented core real-time features for a high-traffic mobility app including chat, ride tracking, and in-app purchases to support reliable user experiences under load.
Mobile Developer
ViViTech
Aug 2019 - Mar 2020 (7 months)
Led development of a white-label digital banking app serving 5,000+ customers, implementing secure payment flows with idempotency and biometric authentication, resulting in zero security incidents.
Education
Degrees, certifications, and relevant coursework
FSFederal University of Sergipe
Bachelor of Science, Computer Science
Bachelor of Science with a major in Computer Science at the Federal University of Sergipe, expected completion in October 2025.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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