Making large-scale automation safe.
Case studies, essays, and working systems from safety-critical platform work.
Safety guardrails before automated operations · Infrastructure monitoring standardized across service teams · 15+ years across Amazon & Prudential.
For the person behind the work, see ericcaskey.com.
Amazon
Concurrent pre-execution safety checks gate every automated operation across multiple global regions, so a change ships only after the platform proves it is safe.
Every workflow execution passes concurrent safety checks before it begins.
Read the case studyLab
Demonstrates a deterministic scoring engine across four weighted factors—Quality, Valuation, Momentum, and Health—and defends the verdict in writing.
Try itMarkets
Nightly exporters, public data, and honest methodology: the market suite as one exhibit, built and operated end to end.
Explore the marketsWriting
Five merged pull requests across three repos in the first day: a 661-line integration in my finance backend, its infrastructure pair, house-style concept figures back-filled across 29 posts on this blog, and two small…
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