Darío Fernández
Senior Fullstack Developer at Cognizant
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDarío Fernández is a Senior Fullstack Developer based in Barcelona with 7 years of experience building mobile-first applications and backends using JavaScript, React Native, Node.js, GraphQL and MongoDB. He has led mobile app projects from concept to store publication, most recently delivering and maintaining React Native apps at PromoFarma and as a Senior React Native Developer at Fiction Express Education. His background includes consultancy work emphasizing clean code, TDD and modern DevOps practices across Java, Kotlin, TypeScript and cloud platforms (AWS/Azure), which lets him bridge product, engineering and infrastructure effectively. At nvmber he not only built a native mobile stack but also set up basic AWS deployment infrastructure, showing a practical fullstack+ops mindset. Colleagues know him for pragmatic architecture choices and a focus on testability—he’s even taught React Native in an academy setting, reflecting both hands-on delivery and mentoring skills.
6 years of coding experience
5 years of employment as a software developer
PlatziJavascript Fullstack Developer Desarrollo de aplicaciones web, Javascript Fullstack Developer Desarrollo de aplicaciones web at ISDI Coders
Stackoverflow
129reputation
617kreached
7answers
0questions
Github Skills (20)
javascript10
css10
nodejs10
react10
math9
codebase9
certification8
database6
ecmascript6
cocoapods6
git-commit6
axios6
git6
aggregate6
android5
Programming languages (5)
Github contributions (5)
dariofedes/skylab-react-native-project
May 2020 - Jun 2020
Contributions:33 commits, 12 pushes, 1 branch in 11 days
dariofedes/skylab-bootcamp-202001
Jan 2020 - Mar 2020
Contributions:4 PRs, 116 pushes, 27 branches in 1 month
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