Practice engineering ROI vocabulary: developer time savings, payback periods, cost of developer time, incident cost avoidance, and ROI calculation language.
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'The platform saves 2 hours per ___ per week.' Which noun fits?
'Per developer per week' is the standard unit for measuring platform productivity gains. 2 hours saved per developer per week across a 50-person team = 100 hours/week = significant ROI.
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'The ROI ___ period is 4 months.' Which noun describes time to recover the investment?
'Payback period' is the time for cumulative savings to equal the initial investment. A 4-month payback period on a platform investment is generally considered strong.
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'Value of developer time at $___ /hour.' Which value is commonly used in ROI models?
$150/hour (fully-loaded cost including salary, benefits, overhead) is a commonly used figure in engineering ROI models in the US. The exact figure varies by region, seniority, and company.
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'We avoided 3 P1 incidents worth $___ each.' What does 'avoided' mean in ROI vocabulary?
'Cost avoidance' is a key ROI component — improvements (better monitoring, testing, resilience) prevent incidents that would have cost money. Quantifying avoided P1s makes the investment case concrete.
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'The ___ payback period is 4 months.' What does 'ROI' stand for?
ROI (Return on Investment) measures the financial return of an investment relative to its cost. In engineering, ROI justifies infrastructure, tooling, and platform investments to leadership.