Why Your Engineering Team Gets Slower as It Grows
Why does an engineering team slow down as it grows?
Every change touches more coupled modules. With connascence degree 5, interdependence 0.3, 20 coordination hours, and a 40-hour feature, the calculator returns 3.00x.
Does adding engineers fix a slowdown?
Team size does not enter the formula. The inputs that move the 3.00x are module count and the hours around the feature.
What does a 40-hour feature cost at 3.00x and $150 an hour?
Vacuum cost is $6,000. Feature cost is $18,000. At 48 features a year the annual figure is $576,000.
Where do those inputs go?
Set Connascence Degree to 5 and Vacuum Effort to 40 on the Engineering Cost Calculator. Keep the other inputs from the worked example.
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