Measuring Product Impact Without A/B Testing: How Discord Used the Synthetic Control Method for Voice Messages
Discord used synthetic control to measure voice message impact cleanly.
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How We Reduced GrabX SDK Initialisation Time
Grab speeds up their GrabX SDK startup to get users rolling quicker.
Performance Analysis: Analyzing performance in Flutter and Handling Jank
One of the things that users usually don’t like is stuttering in our application. Basically, Flutter itself provides a way to overcome this.
How server-driven UI keeps our shop fresh
A single backend response can do a lot more than you think.
Shopify completes React Native migration after a Decade
Shopify dumped old code for React Native, cutting millions of lines and boosting speed.
How we reduced peak memory and CPU usage of the product configuration management SDK
Our GrabX clients noticed that the GrabX SDK tended to require high memory and CPU usage. From this, we saw opportunities for further improvements that could:
Kotlin Multiplatform parameterized tests with Burst
Unit tests are great. They give us confidence to build and change our software. Sometimes I want to write a test once and run it for multiple algorithms, inputs, or environments. It’s been possible to do this with JUnit for a long time:
SwiftUI or UIKit in 2024 & 2025?
I have been searching the web to find the answer to this, but it seems that people are split down the middle in this topic. On one hand, UIKit is best for trying to get a job in iOS development since its mainly maintaining older code
Precision in Motion: Deep Learning for Smarter ETA Predictions
DoorDash uses deep learning to nail ETA predictions with precision.
How we safely removed 10,000 lines of code using Emerge Tools’ Reaper
We had a single developer when we first released our iOS app in October 2012. Over the past 12 years, our team of software engineers has grown tremendously
Snappy, Not Crappy: An Android Health & Performance Journey
Reddit turned their Android app from sluggish to snappy, fixing crashes and jank.
Examining performance differences between Native, Flutter, and React Native mobile development.
It’s a difficult decision deciding whether your company’s mobile app should be a true native application or employ a cross platform approach like React Native or Flutter.
Tophat: Crafting a Delightful Mobile Developer Experience
Shopify’s Tophat app offers one-click testing, making dev life way sweeter.
Shopfiy Tophat: Crafting a Delightful Mobile Developer Experience
Shopify’s Tophat app makes mobile testing a one-click dream for devs.
How We Improved Our 1Weather Android App Cold Startup Time by Over 70%
Glance slashed 1Weather’s Android startup time by over 70%.
Speed Up Your Android Tests: Gradle Plugin for Unit Test Filtering
Writing tests is a fundamental part of writing good software. They help us to catch bugs, be confident in our changes and serve as documentation. At Wealthfront, our Android team relies heavily on our automated test suite to maintain productivity and code quality
How GitHub reduced testing time for iOS apps with new runner features
GitHub cut iOS testing time with new runner features that deliver.
How the Medium iOS team works effectively with legacy code
This story is not about pretty code, it is even less about pretty design.
App Health Through Metric-Aware Rollouts
DoorDash rolls out updates with an eye on metrics to keep their app healthy.
How we ship GitHub Mobile every week
GitHub keeps mobile releases humming weekly with a tight process.