A July survey of 791 US developers from Fastly found about one-third of developers with over a decade of experience use AI code-generation tools to produce more than half of their finished software, versus 13% of those with up to two years' experience. Senior developers often rely on AI for rapid prototyping and autonomous testing because they do not write code all day. Younger developers tend to prefer crafting code manually and view AI as a supplement rather than a replacement. A slight majority of older developers say AI helps ship software faster but requires more time checking for AI-generated bugs. Only 1.8% never use AI code-generation tools.
According to a July survey of 791 US developers from cloud services platform Fastly, around a third of senior developers with more than a decade of experience are using AI code-generation tools such as Copilot, Claude, and Gemini to produce over half of their finished software, compared to 13 percent for those devs who've only been on the job for up to two years.
"When you really zoom out and think about what a senior engineer does, they don't write code all day," he explained. "So if there's ways that people can test autonomously or move really quickly to get a prototype out that kind of hits, that visceral, fun dopamine hit that made coding so fun in the beginning. That's why we're seeing the pattern from that research."
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