Alex Oliveira
Senior Software Engineer at RHEI
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolAlex Oliveira is a Senior Software Engineer based in São Paulo with a strong track record building high-throughput e-commerce and payments systems using React, TypeScript, Node.js, GraphQL and Java. He has led technical efforts from checkout systems that handle 100k+ monthly orders to refactoring PSP services from C++ to Node.js, and has hands-on experience with microfrontends, BFFs, and cloud infrastructure (Terraform, AWS, Kubernetes/ArgoCD). Alex combines pragmatic engineering with attention to observability and testing—Datadog, Posthog, New Relic and 90%+ test coverage feature across his projects—and has implemented creative solutions like injected web-scrapers and client-configurable design systems. He moves comfortably between coding and technical leadership, having served as Technical Lead and built tooling and automation that reduced manual coordination across platforms. Notably, he also teaches and contributes to community learning, having authored an online JavaScript course to support underprivileged learners.
5 years of coding experience
7 years of employment as a software developer
Bachelor of Engineering - BE Computer Engineering, Bachelor of Engineering - BE Computer Engineering at Centro Universitário Facens
Portuguese, English, German
Github Skills (3)
nodejs7
react6
typescript5
Programming languages (4)
Github contributions (5)
alexercolin/money-control
Aug 2021 - Sep 2021
Contributions:43 commits, 32 pushes, 1 branch in 1 month
alexercolin/clean-node-api
Oct 2021 - Apr 2022
Contributions:108 PRs, 179 pushes, 16 branches in 5 months
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