Jonas Costa
Developer Consultant at H4 Towing
Saint Paul, Minnesota, United States
Summary
👤
Senior🎓
Top SchoolJonas Costa is a full-stack developer and consultant with 8 years of experience building accessible, ethically minded web applications using .NET, React, Angular, Next.js, and Azure. He combines backend expertise (C#, Entity Framework, REST APIs) with polished front-end work (TypeScript, responsive UIs) and has shipped features ranging from Outlook add-ins and time-tracking systems to LPR visualization and online payment integrations. Jonas has a strong accessibility and social-justice focus—demonstrated by research and hands-on fixes to make Blockly usable with screen readers—and brings that sensitivity to product and UX decisions. Comfortable in Agile teams, he also writes robust unit tests and has driven migrations of legacy SQL logic into maintainable C# services. Based in Saint Paul, MN, he pairs practical engineering with thoughtful design to reduce friction and improve workflows for users and operators.
8 years of coding experience
2 years of employment as a software developer
High School Diploma, Bilingual Diploma International Baccalaureate, High School Diploma, Bilingual Diploma International Baccalaureate at UWC-USABachelor's degree, Computer Science and Mathematics, Bachelor's degree, Computer Science and Mathematics at Macalester College
Portuguese, Spanish, English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
github9
git9
flutter-material7
patch7
gift6
subversion5
flutter-widget4
react3
flutter-apps3
flutter-web3
Programming languages (4)
Github contributions (5)
jonasccosta/AloneOnceAgain
Sep 2022 - Feb 2023
Contributions:49 commits, 14 PRs, 36 pushes in 4 months
jonasccosta/CabeleireiraLeila
Jan 2021 - Jun 2022
Contributions:2 pushes in 1 year 4 months
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