John Detlefs Journal

Essays on reliability and product craft

Senior Cloud Developer · Reliability-minded full-stack

Shipping resilient experiences at scale.

I build and operate customer‑facing systems where performance, reliability, and simplicity matter—most recently at GoDaddy and PwC’s Kunai, where my work directly impacts nine‑figure revenue streams.

Currently: Senior Cloud Developer and Senior Associate at Kunai (PwC Network). Previously: Senior SDE at GoDaddy, plus platform and frontend roles across IoT, crypto, and data.

  • Full-stack TypeScript and React
  • AWS and cloud infrastructure
  • SRE and observability
  • Performance and experimentation