Juan Coyla
Lead Dev Typescript Backend DDD at Oney
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolJuan Coyla is a Lead TypeScript backend engineer based in Paris with 10 years of experience building cloud-native, event-driven systems and launching digital banking products. He specializes in Clean/Hexagonal Architecture, Domain-Driven Design, event sourcing and microservices, having helped design and ship 20+ microservices and libraries for Oney's digital bank. A pragmatic engineering leader, he drives delivery excellence through TDD, CI/CD and DevOps on Azure/AKS while mentoring teams and reducing technical debt. Juan has a track record of taking MVPs to public launch, improving deployment efficiency and making architecture decisions that cut costs and boost productivity. He balances hands-on coding with people development and knowledge sharing, often running dojos and mentoring both senior and junior engineers. Less obvious: his background spans fintech, chatbots and CRM systems, giving him a rare blend of product-focused architecture and cross-domain integration experience.
10 years of coding experience
2 years of employment as a software developer
Expert Informatique, Informatique, Expert Informatique, Informatique at Éstiam • École supérieure des technologies de l'information appliquées aux métiersBTS SIO, Option : Développement (SLAM), 14.5, BTS SIO, Option : Développement (SLAM), 14.5 at Parc de VilgenisIngénieur réseaux- télécommunications, Technologies de l''information, Ingénieur réseaux- télécommunications, Technologies de l''information at UVSQ Université de Versailles Saint-Quentin-en-Yvelines
French, English, Spanish
Stackoverflow
1reputation
109reached
1answer
1question
Github Skills (17)
sandbox9
javascript9
http-client8
nodejs8
algorithms8
primitive-types6
python6
ruby6
ninja6
mustache6
firebase4
mongodb4
trello3
angular3
react3
Programming languages (4)
Github contributions (5)
blade-sensei/road-to-ninja
Jan 2018 - Aug 2020
Project management cards inspired by trello (modals ux) mobile first design used
Contributions:87 PRs, 104 pushes, 108 branches in 2 years 7 months
mobile-firstmodalstrelloangularfirebase
blade-sensei/kahoot-app
Feb 2019 - Apr 2019
Contributions:34 commits, 1 branch in 1 month
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