Mark Palfreeman is a UI-focused frontend developer with 12 years building accessible, component-driven web applications for companies from Deloitte Digital to Microsoft and Planning Center. He specializes in JavaScript (web components, React, TypeScript), modular CSS and design systems, and a test-first workflow with Jest and Cypress, consistently shipping production features each sprint. At Microsoft he improved component libraries and led testing and A/B experiments for store experiences; at SAP Concur he drove large-form validation design, migration from legacy UIs, and a reusable CSS strategy. Based in Lynnwood, WA, he champions people-first remote collaboration and iterative design, and brings a rare combination of product-minded UX sensitivity and disciplined engineering practices. An entrepreneur at heart, he previously grew a local membership-driven brand, applying his design and marketing skills to build community and a visual identity.
11 years of coding experience
10 years of employment as a software developer
Bachelor's Degree, Business Administration (Finance), 3.5 / 4.0, Bachelor's Degree, Business Administration (Finance), 3.5 / 4.0 at University of Washington
High School Diploma, High School Diploma at Rocky Mountain High School
Certificate, Front-End UX Design & Development, Certificate, Front-End UX Design & Development at Code Fellows
Contributions:103 commits, 284 PRs, 168 pushes in 7 years 4 months
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Mark Palfreeman - Frontend Developer at Planning Center