Léon Ronssin
Senior Frontend Developer at Rootstack
Panamá, Panama
Summary
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SeniorLéon Ronssin is a Senior Frontend Developer with 11 years of professional experience building maintainable, reusable browser-side applications for agencies and enterprise clients. Based in Panamá, he has driven frontend work at Rootstack and blue-infinity and previously delivered high-traffic sites and brand campaigns for clients like Danone, Peugeot and WHO. His expertise spans modern HTML/CSS/JS stacks and legacy environments alike, reflecting a pragmatic ability to modernize older codebases while keeping production reliability. Léon emphasizes clean, reusable patterns as a lever for rapid, agile delivery and long-term maintainability. Comfortable collaborating with distributed teams (notably in Paris) and switching between frontend and backend tasks, he brings both implementation depth and product-focused judgment. Expect a developer who balances craftsmanship with practical constraints, turning complex requirements into streamlined, testable UI code.
11 years of coding experience
7 years of employment as a software developer
English, Spanish
Github Skills (17)
vitejs8
frontend5
vue5
morris5
vuestic5
datepicker4
react3
ftps3
ftp-client3
ftp2
angular2
sftp2
scp2
material-design2
typeahead1
Programming languages (2)
Github contributions (5)
leonsaysHi/resume
Oct 2016 - Aug 2019
Contributions:4 pushes, 1 branch in 2 years 10 months
leonsaysHi/ms-tt
Oct 2019 - Jan 2020
Contributions:44 PRs, 36 pushes, 39 branches in 3 months
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