Willian Lemes
Mobile Developer Especialist II Tech Lead at Grupo Boticário
Paraná, Brazil
Summary
👤
Senior🎓
Top SchoolWillian Lemes is a seasoned mobile developer and tech lead with 11 years of experience, currently leading mobile engineering at Grupo Boticário and specializing in React Native and TypeScript. He has a strong track record building production mobile apps with Expo and React Native CLI, integrating CI/CD, CodePush, Keycloak SSO, Firebase, and observability tools like Dynatrace. His background spans full-stack development, automated testing, and state management patterns (Context API, custom hooks, React Query), enabling him to bridge product design in Figma to robust app releases on Android and iOS. Willian progressed from IT support and QA into senior engineering roles, which gives him a pragmatic focus on quality, reliability, and user-centered problem solving. Based in Paraná, Brazil, he combines hands-on implementation with team leadership and mentorship in fast-paced enterprise environments. He often applies lessons from backend and frontend experience to optimize mobile performance and developer workflows, reducing friction between design, QA, and release.
11 years of coding experience
7 years of employment as a software developer
Bacharelado/Licenciatura, Sistemas de Informação, Bacharelado/Licenciatura, Sistemas de Informação at Universidade Estadual do Norte do Paraná - UENP OFICIALCurso Técnico, Informatics, Curso Técnico, Informatics at Instituto Federal do ParanáCurso Superior de Tecnologia (CST), Análise e Desenvolvimento de Sistemas, Curso Superior de Tecnologia (CST), Análise e Desenvolvimento de Sistemas at UNIFAEL
Github Skills (26)
mixpanel7
react-native-library6
caching6
android5
sdk5
deep-linking5
image-loading5
smooth-scrolling5
chrome-custom-tabs4
xcode3
carthage3
safari3
react3
oauth3
ios3
Programming languages (7)
Github contributions (5)
willianlemes/willianlemes
Aug 2020 - Jun 2026
Contributions:1 push, 1 branch in 5 years 10 months
willianlemes/easyimoveis
Jun 2020 - Jun 2022
Contributions:43 commits, 2 PRs, 30 pushes in 2 years
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