Marcio Santos
Frontend Developer at Polarsteps
Amsterdam, North Holland, Netherlands
Summary
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RockstarMárcio Santos is a Senior Frontend Engineer with eight years of experience building resilient, well-tested web applications using JavaScript, TypeScript, React, Node.js and modern testing stacks. He has driven UI modernizations and micro-frontend extractions at scale—supporting logistics systems that process millions of packages daily—and led squads to refactor legacy AngularJS into component-driven React architectures. Based in Amsterdam, he combines hands-on coding with product-minded collaboration, influencing technical and architectural decisions in SaaS projects and migrating monoliths to modern stacks like Next.js and GraphQL. Known for a positive, resilient attitude and clear ownership, he pairs pragmatic engineering with a focus on consistent UX and developer experience improvements.
8 years of coding experience
Github Skills (24)
javascript10
modeling-tool10
entity-relationship10
entity-relationship-diagram10
angularjs10
nodejs10
relational-databases10
modeling10
database10
single-page-application7
rest7
react7
graphql6
frontend6
react-admin6
Programming languages (2)
Github contributions (5)
oicramps/handheld-simulator
Dec 2020 - Aug 2021
A browser extension that simulates a handheld device
Contributions:33 commits, 2 PRs, 22 pushes in 8 months
browser-extension
aurumsoftware/1x1
Feb 2020 - Aug 2020
Contributions:2 PRs, 50 pushes, 3 branches in 5 months
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