$ whoami

Ryan O'Rourke

Full Stack Engineer

Tech Lead & Full Stack Engineer. Building mission-critical healthcare systems at scale.

~/experience $

Kainos Oct 2022 – Present
Senior Full Stack Engineer (Tech Lead)
  • Tech lead on a £20M NHS project delivering patient questionnaire via NHS App, with 30+ production releases
  • Designed and shipped PDM/MNS integration enabling GPs across the UK to receive third-party patient data updates
  • Identified AWS misconfiguration during P1 incident, saved £25k+ and coordinated UK-wide resolution call
  • Mentored junior engineers; two at-risk engineers graduated and rejoined as permanent employees
  • Led NHS Go-Live presentation securing sign-off from private beta to full England rollout
Workflow HR Systems Jun 2019 – Nov 2021
Backend Engineer
  • Owned travel module; scoped and delivered paid features for enterprise clients (Microsoft, Puma)
  • Generated £20k+ in revenue through feature delivery and cross-team collaboration
  • Participated in code reviews, sprint planning, and system design discussions