codient

Software testing is the skill that keeps digital products from breaking — and it's one of the best entry points into a well-paying tech career without needing years of coding experience. Here's what that looks like in real life. In August 2012, Knight Capital Group pushed new trading software without properly testing it first. Within 45 minutes, it had executed millions of random stock trades by mistake. The loss: $440 million. The company was gone in days. That's not a rare story. According to CloudQA's 2025 bug cost report , poor software quality costs businesses $3.1 trillion every year. And fixing a bug after a product ships costs up to 100 times more than catching it during development. That gap — between "shipped with a bug" and "caught it early" — is exactly where software testers work. Key Takeaways Software testing is the process of finding bugs before users do — it's a core part of how every software team ships safely. ...