John Kavanagh

React, Next.js, TypeScript, JavaScript, Node.js, technical SEO, performance, accessibility, headless CMS, Contentful, Sanity, Vercel and platform architecture.

How AI changes senior engineering work in practice, especially code review, platform governance, delivery quality and technical decision-making.

My Next.js website, technical SEO and GEO experiments, Contentful and Sanity workflows, practical AI-assisted engineering processes, and digital platform delivery for Virgin Active.

Senior technical leadership, React/Next.js platform work, migrations, performance, technical SEO, headless CMS architecture and delivery recovery.