Code Review Metrics
The Complete Guide to Developer Productivity Metrics in 2025
Introduction
Measuring developer productivity has never been more critical—or more controversial.
In 2025, engineering leaders face unprecedented pressure to demonstrate ROI while developers push back against surveillance-style metrics that reduce their craft to lines of code. The AI coding revolution has further complicated the conversation, with teams trying to understand whether these tools actually make developers more productive or just busier.
The truth is: you can’t improve what you don’t measure. But you also can’t measure what you don’t understand.