Julien Marcesse
Lead Dev React Native
Chaville, Île-de-France, France
Summary
🤩
Rockstar🎓
Top SchoolJulien Marcesse is a Lead React Native developer with eight years of engineering experience, currently shaping mobile strategy and delivery at Stime DSI Groupement Les Mousquetaires. He specializes in performance and UX improvements for React Native apps, with hands-on expertise across TypeScript, React JS, and Java/Spring Boot backends. Julien has led mobile teams and technical migrations—upgrading RN versions, modernizing typing and navigation, and introducing CI/CD pipelines and analytics integrations at Oscaro and Société Générale. His background as a bank branch director gives him a rare product-and-business sensibility that informs pragmatic technical proposals and stakeholder collaboration. Passionate about continual improvement, he also focuses on accessibility, reliable release processes, and rationalizing network calls with tools like RTK Query.
8 years of coding experience
2 years of employment as a software developer
Master 2 (M2), Gestion de Patrimoine, Master 2 (M2), Gestion de Patrimoine at IUP de Finance - NancyMaîtrise de Sciences de Gestion, Finance Contrôle, Maîtrise de Sciences de Gestion, Finance Contrôle at IAE DIJONDéveloppeur d'Application Java, Développeur d'Application Java at OpenClassroomsBaccalauréat Scientifique, Baccalauréat Scientifique at Lycée Franco Allemand de BucBi-Deug Economie-Gestion Allemand, Economie Gestion, Bi-Deug Economie-Gestion Allemand, Economie Gestion at Université Paris Nanterre
Github Skills (21)
javascript10
ios10
react-native10
react-hooks10
crashlytics10
storage10
react-native-app10
push-notifications10
analytics10
android10
remote-config10
firestore10
realtime-database10
firebase10
react10
Programming languages (4)
Github contributions (5)
mercure84/ReefLogAppMobile
Jan 2020 - Nov 2023
front en react native de mon P12 OpenClassrooms DA Java
Contributions:79 PRs, 117 pushes, 17 branches in 3 years 9 months
reactmonreact-nativep12openclassrooms
mercure84/reefLogSpringBoot
Jan 2020 - Dec 2022
Contributions:69 PRs, 106 pushes, 13 branches in 2 years 11 months
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