Rails CI speedup

Companies that trusted Evil Martians to speed up Rails CI:

Evil Martians begin by profiling and fixing time-costly issues, then give you the tooling to keep your CI fast and maintainable.

Evil Martians method

We profile test suites with TestProf (our open source tool), eliminate flaky tests, optimize build pipelines, and set up monitoring. As a result your team deploys confidently, multiple times per day—with alerting, distributed tracing, and infrastructure as code via Terraform.

Waiting on your own CI? Book a free 30-min call today.

Whop

In 2025, Evil Martians cut Whop’s four-minute CI build (11,000 RSpec examples) to two minutes. A year later the platform had grown to nearly 30,000 examples. The build was back at four minutes, so we brought it down to ninety seconds. The suite tripled and the wait got shorter.

ClickFunnels

We built TestProf, the open source toolkit for diagnosing and fixing slow Ruby test suites—used by thousands of teams worldwide. For ClickFunnels, we improved CI reliability from ~80% to near-100% across 9K+ unit tests and 1K+ feature tests. Slow tests mean slow deploys, which means slow shipping. In a world where AI writes code and tests verify it, fast tests are the bottleneck.

TestProf flamegraph: pinpointing exactly where test time is spent