David Hansen
Senior Staff Software Engineer at Rover.com
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDavid Hansen is a Senior Staff Software Engineer based in Barcelona with 13 years of hands-on experience and an 18-year trajectory in client architecture and site performance. At Rover.com he has driven major frontend transformations—introducing React, building a component ecosystem, creating server-side rendering for React, and leading SEO and Core Web Vitals readiness that measurably improved search rankings and page speed. He blends technical leadership and execution as a multi-role lead (Client Platform, Web Client Architecture, and SEO/Sitespeed), hiring and growing teams while owning production-critical performance and caching strategies including Cloudflare Workers. Comfortable across stacks from Node and Java to C++ early-career work, he has a track record of turning performance goals into architecture and delivery plans. Unusually, he pairs deep performance optimization expertise with product-minded SEO impact, ensuring technical changes directly boost business metrics.
13 years of coding experience
16 years of employment as a software developer
B.S., Computer Science, Russian, B.S., Computer Science, Russian at Brigham Young University
Stackoverflow
3,057reputation
1.5mreached
7answers
5questions
url-parameters
top-5%
javascript
top-5%
angularjs
top-5%
Github Skills (71)
angularjs10
encoder9
javascript9
angularjs-material9
jquery9
decode9
url-parameters9
html-entities9
lts9
child-process9
decoder9
sdk8
markdown8
encoder-decoder8
cloudflare-workers8
Programming languages (5)
Github contributions (5)
hansede/scheduler
Mar 2016 - Mar 2016
Contributions:49 pushes, 1 branch in 8 days
hansede/scheduler_service
Mar 2016 - Mar 2016
Contributions:24 pushes, 1 branch in 7 days
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