Ryan Day
Senior Software Engineer @Mapbox
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WORK HISTORY
Senior Software Engineer @Mapbox
Created the concept for Mapbox\'s AI workflow assessment interview and co-built it from scratch in 2 weeks, establishing it as a mandatory screen for all engineering hires (500+ org); developed rubrics and evaluation categories with leadership and recruiting, validated through 10+ pilot interviews. • Created automated AI tool that saves 80%+ time in investigating alarms for on call Directions API engineers. • Developed Claude Code prompt library automating repetitive engineering tasks including local testing and route quality analysis.• Reduced routing application memory footprint by 7.7%(1GB from 13GB baseline), increasing task density per cluster and reducing infrastructure costs
EDUCATION
Brigham Young University
Master of Science - MS, Mechanical Engineering
Brigham Young University
Bachelor of Science - BS, Mechanical Engineering
SKILLS
ABOUT RYAN DAY
AI tool builder and tinkerer. Extreme claude code user. Software engineer with experience developing large, complex C++ and Rust applications on Linux. Also a Vim enthusiast.
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