Persisting sessions with React Native

A few weeks ago, we ran into a particularly tricky bug: some users told us that our mobile app was logging them out every time they closed the app. This blog post explains the underlying issue as well as how we resolved it. If you’re running into issues managing…

Building a highly responsive sheet view with React Native

Designing Engineer Onboarding at Affinity

This summer, our team added four new engineers, growing our existing engineering team…

Learn Fast and Read Things: why (and how) we started a technical reading group

Running Parallel Jobs on CircleCI

tl;dr — If you use CircleCI and want to speed up your builds through parallelism, you have a couple of options: (1) you can parallelize tests running within a particular CircleCI job, or (2) you can run multiple jobs in parallel (or you can do both). There’s a lot of…

Joe Lonsdale on Investing Your Time at Your First Job

Introducing Design at Affinity 👋

The Path to Design Leadership: A Recap from SF Design Week 2018