Marcio Mendes
Senior Software Engineer at Luizalabs
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolMarcio Mendes is a Senior Frontend Engineer based in São Paulo with over a decade building high-performance, user-focused web and native checkout experiences. He has driven cost and complexity reductions through pragmatic automation—examples include a 10x cut in address validation costs and reusable test frameworks that slashed test implementation effort threefold. Marcio blends full-stack skills with DevOps savvy, having built local CI/CD infrastructures, orchestrated Black Friday–scale load tests, and worked extensively with React/Redux, Node.js, Docker, Kubernetes and cloud services. His background spans e‑commerce leaders and fintech-grade systems, where he’s delivered features like bulk shipment workflows, UPS OAuth frontend integrations, and SDKs that enable single-source web/native apps. Known for improving developer experience via small tooling and reliable test suites, he balances shipping polished UX with maintainable engineering.
10 years of coding experience
13 years of employment as a software developer
Bachelor of Technology - BTech, Analysis of Systems and Information Technology - Development of Digital Games, Bachelor of Technology - BTech, Analysis of Systems and Information Technology - Development of Digital Games at FATEC
Portuguese, English
Github Skills (26)
e2e-test10
cucumber10
nodejs10
ui-testing10
bdd9
automation9
touch-typing7
react5
firebase5
javascript4
iphone4
android4
boilerplate4
github3
starter-kit3
Programming languages (5)
Github contributions (5)
mmendesas/walnutjs-boilerplate
Apr 2017 - Jul 2019
A simple starter template that uses walnutjs and explores some features
Contributions:3 PRs, 22 pushes, 3 branches in 2 years 3 months
e2e-teststemplateboilerplatewalnutjs-testnodejs
mmendesas/hackerrank
Feb 2018 - Mar 2025
:computer: :books: my solution of some hackerrank exercises
Contributions:8 PRs, 44 pushes, 2 branches in 7 years 1 month
javascriptpython
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