26 to 29 of 29 Vitest Jobs in London

Front End Engineer

Location
Greater London, England, United Kingdom
skills; able to design and build robust, well-typed libraries and components Experience with modern front-end tooling: build systems (Vite,rollup), testing frameworks (Vitest,Playwright) andCI/CD pipelines Familiarity with AI concepts and tooling — including AI-assisted development, LLM integration in web applications; practical experience is a strong ...

Senior Front-End Developer

Location
Greater London, England, United Kingdom
daily basis. Our Tech Stack includes TypeScript, Node.js, React/Vue/Svelte, Vite, esbuild, Babel, pnpm/npm, GitHub Actions, Jest/Vitest, Playwright/Cypress, NestJS/Express, REST/GraphQL (check details from Stack Share Profile ) Responsibilities: Develop scalable, maintainable web applications regardless of framework (React … higher – must be comfortable with technical communication, documentation, and client interactions Nice To Have: Monorepo setups (Nx, Turborepo), Storybook, Playwright/Cypress, Vitest/Jest Performance monitoring (Lighthouse, Web Vitals) and logging/observability Security best practices (CSP, SRI, OWASP, dependency auditing) CDN, edge functions, SSR/SSG, ISR architectures ...

Senior Frontend Developer

Location
Greater London, England, United Kingdom
engineering standards and helping less experienced engineers develop. Technology: React 18/TypeScript (strict mode) Vite TanStack Query/Form/Router Tailwind CSS Vitest/React Testing Library/MSW Storybook What they're looking for: Strong commercial experience building modern React and TypeScript single-page applications that … clients Strong understanding of roles and permissions, including enforcing them appropriately within the frontend A strong testing mindset, with experience using tools such as Vitest, React Testing Library and MSW Experience building accessible applications, ideally against WCAG 2.1 AA Experience with component systems such as Radix/shadcn and/ ...

Senior Frontend Engineer

Location
City Of London, England, United Kingdom
single page application that runs on React 18, TypeScript (strict), TanStack Query/Form/Router, Tailwind + a Radix/shadcn component system, Vitest + RTL + MSW. You make the design calls on your domain and argue them out with the tribe. You build … verification, document upload and OpenAPI-generated API clients. Roles and permissions. Enforced in the interface as well as the API. Testing as a habit. Vitest, React Testing Library and MSW, against a coverage gate that fails the build. You can say what a piece of code is actually protected against. ...