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Z++
The tech blog from Casper Sleep.
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Portable iOS / Android App Architecture
Portable iOS / Android App Architecture
A mobile architecture that enables code portability, based on Clean architecture principles
Vasiliy Kulakov
Oct 30, 2019
RFCs: Lightweight Technical Designs
RFCs: Lightweight Technical Designs
Major software development projects at Casper merit Technical Design Reviews. “RFCs” offer smaller-scale versions for single teams.
Carsten Zimmermann
Aug 4, 2019
Get a Load of This!
Get a Load of This!
Load Testing a Live E-Commerce Web Application
Chandrika
Jun 11, 2019
A Third Way, or: Updating a Legacy Rails App UI Without Scrapping the Whole Thing
A Third Way, or: Updating a Legacy Rails App UI Without Scrapping the Whole Thing
Casper is known for a lot of things — beautiful design, ease of use, great customer service. But our internal app was another story…
Sarah Duve
Apr 23, 2019
Faster CSV exports with Ruby IO pipes
Faster CSV exports with Ruby IO pipes
To borrow from Zawinski’s Law: Every web application expands to export CSV data (others will be replaced by ones which do).
Carsten Zimmermann
Jan 25, 2019
Responsive Images at Casper
Responsive Images at Casper
As a software engineer on Casper’s Shop team, my focus over the past few months has been building out React components that can be…
Maggie Love
Sep 24, 2018
How we shaved 1.7 seconds off casper.com by self-hosting Optimizely
How we shaved 1.7 seconds off casper.com by self-hosting Optimizely
We recently deployed a change to casper.com that loaded a piece of 3rd party JavaScript from our own server instead of the vendor’s server…
Kyle Rush
Aug 28, 2018
How Casper’s Tech team plans a full quarter of software releases
How Casper’s Tech team plans a full quarter of software releases
I remember my first quarterly planning like it was yesterday. I was leading a small team of software engineers at Optimizely. I flew to the…
Kyle Rush
Aug 16, 2018
Simple image placeholders for lazy loading images
Here at Casper, we’ve been working on our front-end performance, primarily focusing on reducing start render time and overall load time. A…
Florida Ivanne Elago
Jun 1, 2018
Synthesizing UX research for an internal tool at Casper 😴 🛏 💤
Synthesizing UX research for an internal tool at Casper 😴 🛏 💤
As a summer Digital Product Intern here at Casper, I’ve been focusing most of my cold-brew-on-tap-fueled work on improving the user…
Elaine Lo
Aug 7, 2017
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