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Joshua Callender

Staff Engineer @ Lyft


Josh Callender is a Staff Engineer on the Developer Experience team at Lyft. Over the course of his 12+ year career, he’s designed and built systems that scale to hundreds of millions of daily active users, and development platforms for hundreds of engineers; most recently at Imgur,, and Lyft.

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Changing Lanes with Lyft

A quick peek back at Lyft's journey of web infrastructure since I joined in 2015 and what led us to NextJS. We'll pull back the curtain on our new web infrastructure, and talk about how we utilized NextJS. Finally, we'll wrap up with a look at how we migrated over 100 micro-services to this new infrastructure.