CASE 176 · ZINNIA · 2026
Engineering metrics the CTO can show the board.
A public SaaS CTO needed engineering health metrics for board reporting — beyond DORA. We assembled a comprehensive site-reliability metric set covering golden signals, error-budget burn, deploy quality, on-call load, and platform reliability into a single quarterly report.
Public SaaS
PLATFORM
2026
RESULTS
What changed, by the numbers.
BOARD-LEVEL METRICS
14
REPORT GENERATION
< 1h
ENGINEERING TRENDS
VISIBLE
BOARD CONFIDENCE
HIGH
HOW IT WENT
The CTO had been spending three days a quarter assembling the engineering health report from screenshots, spreadsheets, and PagerDuty exports. The board appreciated the report; the CTO did not appreciate the process. We took on the assembly.
A Lambda ETL pulled from CloudWatch, PagerDuty, GitHub Actions, and the internal SLO service. It normalised everything into a quarterly time series in DynamoDB; QuickSight rendered the board report directly. Metrics covered golden signals, error-budget burn by service, deploy quality, on-call load, and platform-team reliability.
Report generation dropped from three engineer-days to under an hour. The board now sees the same 14 metrics consistently every quarter, with year-over-year deltas. The CTO’s report-outs got easier — same data, much faster.
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