Optimizing GRDB in Todoist for iOS
The hidden cost of LEFT JOINs in GRDB..Deep-dive into fixing iOS sluggishness.
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Project Butter: A Journey for App Performance Improvement
A comprehensive guide to improving App Performance for Mobile Apps
Unlock Native Power in Flutter Part 2
Platform Views + performance considerations (hybrid composition, frame lag) + testing guidance.
HashMap and Set Performance Optimization in Android Kotlin
Advanced optimization techniques and best practices for using HashMap and Set in Kotlin for improved app performance.
Unlock Native Power in Flutter Part 1
Flutter ↔ native integration via channels; includes performance-related motivation (heavy computations, etc.).
Demystifying user journeys: Revolutionizing troubleshooting with auto tracking
How Grab's AutoTrack SDK is used to revolutionize session tracking and troubleshooting by providing complete user journey data.
The Complete Guide to Offline-First Architecture in Android
Comprehensive playbook for resilient offline UX: local caching, sync, conflict handling
Boost Flutter App performance with API Response Caching
Flutter API caching patterns (headers + Dio caching) to improve latency/UX and reduce network usage.
Core/Core-Impl Pattern: Build-Performance Superpower of DI & Gradle
Improving Android build performance through modularization using the Core/Core-Impl pattern.
Leveling Guide for your Performance Journey
Step-by-step plan to level up app perf using Play Console vitals
Orchestrating our UI test suite with Maestro
Doist explains how they replaced fragile Espresso idling-resource tests with Maestro’s UI testing framework to build a more reliable, maintainable, and scalable mobile UI test suite across their apps.
Modernizing ExoPlayer with Media3’s Compose UI
Media3 + Compose UI patterns to modernize video playback surfaces while keeping rendering smooth
Android VPAT journey
Slack's journey in improving Android accessibility and compliance with the Voluntary Product Accessibility Template (VPAT ).
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Improve your Android App Performance by 10X with Compose Stability
Techniques for using Compose stability to significantly improve Android app performance and reduce recompositions.
How Pinterest Cut Android Testing CI Build Times by 36%+
Runtime-aware sharding + EC2 bare-metal emulators reduced slowest shard 55% and E2E build time
I achieved 0% ANR in my Android app. Spilling beans on how I did it - part 1.
After a year of effort, I finally achieved 0% ANR in Respawn. Here's a complete guide on how I did it.
Reddit: Making Android Videos Super Fast
Details on how Reddit improved the ExoPlayer library for faster video startup times and better quality.
Grab’s Mac Cloud Exit supercharges macOS CI/CD
Grab moved macOS CI/CD close to its Git servers, improving iOS build & pipeline times ~20–45% and saving ~$2.4M over 3 years, with stability maintained. (Grab Tech)
Scaling Mobile UI Testing with AI
In 2025, AI became our star driver. After years of building the infrastructure — Mercury for test and release management, Helios for VM orchestration