Jefferson Oliveira
Senior Software Engineer at Sage
Hyannis, Massachusetts, Brazil
Summary
👤
Senior🎓
Top SchoolJefferson Oliveira is a Senior Software Engineer with 11+ years of hands-on experience, self-taught since 2010 and now focused on architecting scalable, reliable systems. He has led core platform overhauls at Sage to centralize time tracking, designed foundational API transport protocols, and built accessibility-focused Swift libraries. At Instrument he shipped a production achievements system serving a web portal with 76 million daily users and integration across 2,000+ games, demonstrating an ability to design for extreme scale and complex player-data interactions. His work at Tremendous and earlier front-end roles reflects full-stack fluency and a knack for shipping customer-facing features like a Chrome extension for reward redemptions. Based in Hyannis with Brazilian roots, he combines pragmatic engineering with continuous self-driven learning and an appreciation for elegant, performance-minded implementations. Notably, his career blends platform-level architecture with product features that directly impact massive user traffic.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Software Development, Bachelor's degree, Software Development at U.S. Equivalence of Formal Education (USCES)
Portuguese, English
Github Skills (83)
render9
poker9
react-renderer8
renderer8
scrum-agile8
scrum8
testing7
visual-studio-code-extension7
vscode-plugin7
serverless-offline7
agile7
webgl7
region7
esi7
fuzzing7
Programming languages (8)
Github contributions (5)
jeffersonmourak/pyTerm
Jul 2015 - Dec 2016
A terminal client for linux. powered with python.
Contributions:21 commits, 10 PRs, 28 pushes in 1 year 4 months
terminalpythonlinuxcli
jeffersonmourak/node-eventick
Oct 2015 - Oct 2016
Contributions:22 commits, 1 PR, 16 pushes in 1 year
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