Curated Engineering Reads

The Best Reads on Mobile App Performance

How top companies optimize their apps for the best customer experience.

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Showing 20 of 1598 articles (Page 9 of 80)

Instacart's Caper team turned a multi-quarter Fragment-to-Compose migration into a dramatically faster effort using AI coding assistants.

Eric Windmill from Flutter's DevRel team just shipped something that could change how 10,000+ developers learn Flutter every month. The new Getting Started experience isn't just another tutorial—it's a complete...

Protecting Your GraphQL

Company: Reddit · Feb 2, 2026
Platform: Android / iOS

Stas Kravets shares how a Python GraphQL service's P99 timeout detection was so unreliable that only P50 requests actually timed out as expected. The culprit? IO operations under heavy load can bring down your ...

Antoine van der Lee from SwiftLee introduces an open-source Agent Skill that teaches AI to write better SwiftUI code. No more fixing the same mistakes over and over in your AGENTS.md file.

Discord shares 98% of code across platforms with three iOS engineers. Shopify cut 1.8M lines of dead code. Here is every major app shipping React Native right now.

JetBrains brings Java-to-Kotlin code conversion to Visual Studio Code through the Kotlin language plugin, extending a feature previously exclusive to IntelliJ IDEA. Developers can now convert Java files or snip...

Nick Sloan from Studioworks processed millions in invoices with Swift on the server and saw fewer production bugs than in 20 years of web development. Here's what's happening in the Swift ecosystem this month.

Callstack just dropped a game-changer for React Native teams struggling with AI SDK performance. If you've ever wondered why your on-device LLM integration feels sluggish, this new profiler is about to give you...

Cursor at Grab: Adoption and impact

Company: Grab · Jan 29, 2026
Platform: Desktop

Grab achieved 98% monthly active adoption of Cursor across their engineering org in just months. That's nearly 30 points higher than industry benchmarks for high-performing teams.

Tomasz J. Żelawski from Software Mansion reveals how React Native finally solved its biggest performance bottleneck. The secret? A multithreading engine that was hiding in plain sight.

Liam Du built and shipped Wellspoken—an AI-powered articulation coach—to both iOS and Android in one week. Zero Xcode. Zero Android Studio. Just Expo.

Kody Peterson from Foresight Sports reveals how his team rebuilt their mobile architecture with Flutter to handle interactive 3D visualization and real-time sports performance data. The technical decisions behi...

Google just solved one of mobile AI's biggest challenges: how do you customize foundation models for your app without breaking device constraints? Their answer might surprise you—it's not fine-tuning.

CSS clipping techniques are coming to React Native, and they're about to change how we think about UI masking and visual effects. Callstack just dropped a deep dive into making web-style clipping work natively.

Optimizing GRDB in Todoist for iOS

Company: Doist · Jan 27, 2026
Platform: iOS

Todoist's iOS app became nearly unusable for some users after migrating from Realm to GRDB. The culprit? A SQL query generating 128,136 intermediate rows from just 399 actual records.

Prateek Batra from Google reveals how JioHotstar transformed their streaming app for 400 million users. The secret? Treating tablets and foldables as first-class citizens, not just stretched phones.

Kotlin Intrinsics on Android

Company: Individual Author · Jan 26, 2026
Platform: Android

Rahul Ravikumar reveals how Android's tooling has been quietly carrying the weight of Kotlin's type safety. Every null check, every parameter validation adds overhead that pure Kotlin apps don't actually need.

Antoine van der Lee shipped an AI-powered app in one month and hit a wall so hard he almost killed the project. His biggest mistake? Moving too fast.

Sanath Sajeeva Kumara from PickMe reveals a chilling truth: simply opening a project in Android Studio can steal your credentials before you click a single button. A 2026 incident proves your IDE might be your ...

Jaime Wren from Google's Flutter team argues that AI code generation has flipped the script: the bottleneck isn't writing code anymore, it's maintaining code integrity at AI speed.

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