Matheus Hahn
Software Engineer at Everest Systems
Rio Grande do Sul, Brazil
Summary
👤
Senior🎓
Top SchoolMatheus Hahn is a pragmatic full‑stack software engineer with nine years of experience building web and ERP systems using TypeScript, Node.js, React and PHP frameworks. He blends backend and frontend expertise with a strong testing mindset (Jest, Cypress) and hands-on CI/CD experience to deliver maintainable, production-ready features. Matheus has worked across startups, consultancies and Web3, contributing front-end improvements and accessibility fixes to the well-known Grommet React framework. Comfortable in agile teams (Scrum/Kanban), he often bridges client needs and engineering practices while mentoring peers through code reviews and knowledge sharing. His background in an MBA-focused machine learning program hints at a growing interest in data-driven software and practical ML application.
9 years of coding experience
9 years of employment as a software developer
Sistema para Internet Tecnologia da Informação, Sistema para Internet Tecnologia da Informação at ULBRAMaster of Business Administration - MBA Machine Learning, Master of Business Administration - MBA Machine Learning at IGTITécnico Química, Técnico Química at Fundação Escola Técnica Liberato Salzano Vieira da Cunha
Portuguese, English
Github Skills (15)
javascript10
system-design10
calendar-view10
carbon-design-system10
grommet10
ax10
react10
calendar-widget10
calendars10
typescript-types9
select29
selectbox9
ui-select9
typescripts9
typescript9
Programming languages (4)
Github contributions (5)
grommet/grommet
Dec 2021 - Nov 2022
a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package
Role in this project:
Front-end Developer
Front-end DeveloperContributions:17 reviews, 16 commits, 16 PRs in 10 months
Contributions summary:Matheus primarily contributed to the front-end of the Grommet framework by implementing new features and enhancing existing components. They added type definitions for the Calendar component, enabling theming for stories across multiple components (Accordion, Calendar, Carousel, DataTable), and fixing issues with component behavior. Additionally, the user focused on improving accessibility by adding aria labels and improving the overall user experience by showing clear selection on clear button in Select component.
babelreactmodularityjavascripta11y
matheushahnn/grommet
Dec 2021 - Oct 2022
a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package
Contributions:64 pushes, 18 branches in 10 months
reactmodularitya11ytidyaccessibility
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