Weekly Digest
May 16 - May 22, 2022
6 articles that week
Faster media delivery to optimize app performance
LazyPay was serving unoptimized images directly from S3, killing app performance and burning bandwidth. Their migration to Cloudinary cut image sizes by 70%.
Automated Performance Testing with Torque
Dream11 handled 5.5 million concurrent users and 80 million requests per minute during IPL 2020. Their secret? A custom performance testing framework called Torque.
The Benefits and Challenges of Android Dynamic Feature in Tokopedia
Tokopedia cut their Android app download size by 10% using Dynamic Features. But the implementation wasn't as simple as Google's docs suggested.
How Server-Driven UI Is Helping Frontend Engineers Scale Impact
Robinhood was taking weeks and multiple engineers just to make simple UI changes. Their solution? Server-Driven UI that lets them ship to all platforms without app releases.
Async Jersey + Kotlin Coroutines
ClassPass engineers were hitting a wall: their Jersey-based APIs couldn't handle traffic spikes without exhausting thread pools. The culprit? Synchronous request processing blocking precious I/O threads.
Giving Android a security boost (Part Two)
Zomato's Android team breaks down SSL certificate pinning: the security feature that could brick your app if done wrong.