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Booking.com discovered that standard performance monitoring tools from Apple, Google, and Firebase couldn't meet their needs. So they built their own—and just open-sourced it.

Robinhood doubled their engineering team in a year while scaling to handle unpredictable market swings. Here's the framework that made it possible without breaking their systems or culture.

Swiggy's Android team serves 1M+ downloads weekly with 52% of users updating within 5 days. That velocity could be a disaster without bulletproof automation.

The Paytm Editorial Team reveals how they measure the real cost of user friction: tracking payment flows down to the millisecond, excluding network delays that mask app performance issues.

Swiggy made their food delivery app fully accessible for visually and physically challenged users. The result? A measurable increase in orders from users with disabilities.

Spotify just open-sourced the tool that helped them slash their Android app size by 9%. Here's why app size matters more than you think.

Swiggy saw 5x growth in accessibility sessions after fixing one critical UX problem: their Android app treated screen reader users like robots, not humans.

Shubhnik Singh Mann from Razorpay reveals why most mobile teams are testing wrong. Their approach eliminated P0 production issues entirely.

Angus Croll from Netflix reveals how his team slashed false performance alerts by 90% while catching more real regressions. The secret? They stopped using static thresholds entirely.

Swiggy ignored accessibility for years, effectively locking out millions of users with disabilities. A Change.org petition changed everything.

Tokopedia shipped Android App Bundles and immediately hit a wall: mystery crashes on random devices. The culprit? Sideloaded APKs missing critical resources.

Tracy Stampfli and Bryan Stern reveal how Slack's mobile teams tackled crippling tech debt that was actively slowing product roadmaps. Their solution? A bold 6-month stabilization sprint that transformed both i...

How we ship GitHub Mobile every week

Company: GitHub · Jan 12, 2022
Platform: iOS / Android

GitHub Mobile ships to production every single week with a tiny team. Their secret? Ruthless automation that turns a multi-day release process into a Saturday morning workflow.

Sam Moore from Betterment shares how his team rewrote 85% of their mobile app in just over a year without disrupting users. The secret? A methodical approach to adopting Flutter that prioritized team buy-in ove...

React Native's bridge can be your bottleneck or your superpower. Callstack explores the critical tradeoff between JavaScript flexibility and native performance that determines whether your app flies or crawls.

Cross-Platform Messaging Experience

Company: Snapchat · Dec 17, 2021
Platform: iOS / Android

Snap rewrote their entire messaging system in C++ to solve a problem that plagues most mobile teams: platform inconsistency causing bugs and doubled engineering effort.

Airbnb moved beyond Time To Interactive to measure what users actually see. Their Page Performance Score tracks visual wait time, not just code execution.

Karthik Jayasurya from Nextdoor reveals how they transformed notifications from random spam into personalized updates that neighbors actually want. The result? A 40% jump in engagement without sending more mess...

Jetpack Compose UI Testing Strategies

Company: Just Eat · Nov 23, 2021
Platform: Android

Karan Saimbhi from Just Eat Takeaway compares testing Jetpack Compose to watching Back to the Future on different formats—the content stays the same, but the method evolves. Here's what changes when you move fr...

Mobile Developer Productivity at Reddit

Company: Reddit · Nov 22, 2021
Platform: iOS / Android

Reddit's mobile team ships features 30% faster after overhauling their developer productivity infrastructure. Here's how they did it.

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