Weekly Digest
Nov 25 - Dec 1, 2024
5 articles that week
How We Engineered a Scalable Architecture to Power Videos, Social, and Picks in Our Delivery App
Victoria Perelló and Hernán Malatini from Glovo shipped three major social features in 90 days—without breaking their app. Their secret? An architecture that let 10+ teams work in parallel without stepping on each other's toes.
Upgrading React Native in Brownfield Applications
Upgrading React Native in a brownfield app isn't just harder than a greenfield project. It's a completely different beast that most teams underestimate.
Measuring Product Impact Without A/B Testing: How Discord Used the Synthetic Control Method for Voice Messages
Discord wanted to measure Voice Messages impact, but A/B testing would break the feature. Network effects meant users in control groups couldn't receive voice messages from treatment users.
Why is there so much obsession on app size reduction?
Why do engineering teams obsess over shaving megabytes off their apps? A Reddit thread reveals the hidden costs of bloat.
Integrating React Native into Existing Applications
Callstack reveals how to add React Native to existing native apps without a full rewrite. This brownfield approach is changing how engineering teams think about cross-platform development.