2 of 2 Permanent Jest Jobs in Swindon

Knowledge of performance tuning techniques including lazy loading, code splitting, and asset optimisation. Experience consuming secure REST APIs from the browser. Familiarity with front-end testing frameworks such as Jest, React Testing Library, Playwright or Cypress. Solid understanding of modern front-end tooling (e.g., npm/yarn, Vite/Webpack, ESLint/Prettier). Strong communication and collaboration skills across More ❯

first mindset (Core Web Vitals): code splitting, lazy loading, bundle analysis. Experience calling REST APIs securely from the browser, handling auth tokens/refresh and robust error UX. Testing: Jest + React Testing Library for unit/integration; Playwright or Cypress for E2E. Familiar with modern tooling (npm/yarn/pnpm, Vite/Webpack, ESLint/Prettier, type-checks More ❯