Survey: Senior developers ship 2.5x more AI-generated code than junior developers
By
Brajeshwar
Warm and crisp on the edges. A bagel with a bit of bite.
Summary
Fastly's July 2025 survey of 791 developers reveals that senior developers (10+ years experience) ship nearly 2.5 times more AI-generated code into production than junior developers (0-2 years experience). About one-third of senior developers report that over half their shipped code is AI-generated, compared to just 13% of juniors. The findings suggest that experience level significantly influences how developers leverage AI coding tools, with senior developers showing greater trust and integration of AI-generated code into production workflows.
Key quotes
· 2 pulledAbout a third of senior developers (10+ years of experience) say over half their shipped code is AI-generated — nearly two and a half times the rate reported by junior developers (0–2 years of experience), at 13%.
AI will bench test code and find errors much faster than a human, repairing them seamlessly.
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