Relevant qualification or online portfolio. 2–5 years’ web development, cross-browser delivery. One or more: React, Angular, Vue, Next.js. Bundlers: Webpack, Parcel. CSS/SCSS or CSS-in-JS. Git workflows. State management: Redux, MobX, Vuex. CI/CD setup experience. UI tooling literacy, design fidelity, attention to detail. REST fundamentals. Docker experience. Unit testing with Jest/Karma. Full SDLC participation and sound analysis/design. Cloud/CI: Azure, GCP, AWS, Jenkins. DevOps: Docker, Kubernetes (beyond local use).