3 of 3 Jest Jobs in the City of Westminster

/TypeScript ecosystem Express.js and/or Fastify RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines and DevOps best practices GitHub workflows Observability and monitoring tools (e.g., Datadog) Docker and Kubernetes Tech Stack ...

applications. Knowledgeable in performance optimisation techniques to improve load speeds and search engine rankings. Experienced in writing unit and integration tests using tools like Jest and React Testing Library to ensure robust functionality. Desirable Skills Understanding of modern frontend tools and workflows. Knowledge of state management libraries such as Redux ...

skills React, TypeScript, Redux/Redux Toolkit; Next.js (nice-to-have). Accessibility-first (WCAG 2.x), semantic HTML, ARIA, design tokens. Strong testing habits: Jest, React Testing Library, Cypress/Playwright. UI quality: performance profiling, code-splitting, hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested SPA components ...