A developer with no professional QA experience enters a six-hour bug-hunting competition and wins first place. Starting with a goal of finding just one legitimate bug, they systematically tested a website's UI, forms, navigation, and responsiveness using developer instincts. They found seven usability and functional issues including broken back-button behavior after partial form submission, silent validation failures, unbounded text input causing layout breaks, and inconsistent link navigation patterns. The experience reframes the relationship between developer knowledge and testing skills.
Table of contents
A Hunter With Absolutely No Hunting ExperienceThe Hunt Begins: Six Hours on the ClockI Found My First Bug!Okay!! What Else Can I Break?Bringing Home the BugsThe Hunter Gets Hunted... by an EmailThe Biggest Bug Wasn't in the WebsiteQuestions this post answers
What kinds of bugs can a developer with no QA experience realistically find when testing a website?
Developers without QA experience can effectively find UI/UX and functional bugs by applying their existing knowledge of expected web behavior. Practical findings include missing hover feedback on links, back-button failures after partial form submissions, silent validation errors with no field highlighting, unbounded text inputs that break layout, inconsistent link navigation (same-tab vs new-tab), self-referential navigation buttons, and external links that replace the current page without warning. Developers crossing into QA territory track patterns like these on daily.dev.