John Rykken is a Senior Software Engineer based in Portland, Oregon with nine years of experience specializing in architecting and building React Native mobile applications. He has progressed from QA and internship roles to senior engineering at Walmart Global Tech, bringing hands-on expertise in shipping production mobile features across large retail platforms like Sam’s Club and Walmart. John pairs a deep practical knowledge of JavaScript/TypeScript and React Native with a disciplined background in TDD and full-stack tooling learned at Epicodus. He also brings an uncommon creative perspective from years as a published fiction author, which informs his emphasis on user-centered design and clear product narratives. Colleagues rely on him to translate complex product requirements into maintainable, testable mobile architectures that scale across teams.
9 years of coding experience
3 years of employment as a software developer
Associate's degree, German, Associate's degree, German at University of Tübingen
Bachelor of Arts, Political Science and Government, Bachelor of Arts, Political Science and Government at Portland State University
Contributions:33 commits, 2 PRs, 31 pushes in 4 months
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John Rykken - Senior Software Engineer at Walmart Global Tech