# Evolution of Developer Productivity at Square - Part Four

DevFeed: [Evolution of Developer Productivity at Square - Part Four](<https://devfeed.tech/articles/evolution-of-developer-productivity-at-square-part-four-15638.md>)

Original publisher: [Read original article](<https://developer.squareup.com/blog/evolution-of-developer-productivity-at-square-part-four>)

Author: Korhan Bircan

Published: 2024-02-26T17:00:00Z

Content type: article

Language: en

Sources: [Square Corner Blog RSS Feed](<https://devfeed.tech/sources/square-corner-blog-rss-feed.md>)

Topics: [code productivity](<https://devfeed.tech/topics/code-productivity.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Test automation](<https://devfeed.tech/topics/test-automation.md>), [release engineering](<https://devfeed.tech/topics/release-engineering.md>), [Mobile](<https://devfeed.tech/topics/mobile.md>)

Tags: [crash-reporting](<https://devfeed.tech/tags/crash-reporting.md>), [developer](<https://devfeed.tech/tags/developer.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [flaky-tests](<https://devfeed.tech/tags/flaky-tests.md>), [mobile](<https://devfeed.tech/tags/mobile.md>), [mobile-performance](<https://devfeed.tech/tags/mobile-performance.md>), [operational](<https://devfeed.tech/tags/operational.md>), [release-engineering](<https://devfeed.tech/tags/release-engineering.md>)

## AI overview

The fourth and final part of Square's developer productivity series describes its shift toward reliability and test engineering as its codebase and customer base grew. It covers reliability reviews, service-level objectives, performance-focused task forces, mobile release engineering, automated crash reporting, and efforts to improve testing infrastructure and flaky tests.

## Source excerpt

Investing in reliability and test engineering