Ryan Hartzfeld
Principal Software Engineer at The Walt Disney Company
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolRyan Hartzfeld is a Principal Software Engineer and Frontend Architect based in New York with 12 years of experience building customer-facing web applications and data-heavy reporting systems. He has led teams and shipped production systems at major brands including The Walt Disney Company, Squarespace, Cox Automotive, and Diamond Kinetics, spanning React/TypeScript frontends and Java/Spring backends with GraphQL and REST APIs. Known for translating complex product needs into polished UIs and reliable analytics pipelines, he also has experience designing Canvas-based tooling and sensor-driven sports analytics. A former kettlebell instructor, he brings discipline and coaching to technical leadership, mentoring engineers while driving architecture and delivery.
12 years of coding experience
12 years of employment as a software developer
B.S. Information Sciences & Technology Sociology minor, B.S. Information Sciences & Technology Sociology minor at Penn State UniversityHershey High School
Stackoverflow
669reputation
74kreached
9answers
10questions
Github Skills (35)
cli10
angularjs-service10
angular10
typescript9
angularjs9
angular-cli9
api8
rest7
rest-api7
html6
restful6
dom-events6
php6
websocket6
angularjs-directive6
Programming languages (3)
Github contributions (5)
hartz89/StayGolden.js
Nov 2013 - Jan 2014
Contributions:21 commits in 1 month
hartz89/JSnake
Jul 2014 - Aug 2014
Contributions:15 commits in 14 days
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