26 to 29 of 29 Vitest Jobs

well Desirable: energy domain knowledge Our stack React (required) TypeScript (required) Next.js on Vercel (desirable) GraphQL w/Tanstack Query (desirable) React Testing Library & vitest and/or msw (desirable) We have a preference for candidates who can work hybrid from our London office, but we're open to fully ...

AppSync, and GraphQL services. Drive frontend performance, reliability, and maintainability improvements. Implement and maintain internationalisation (i18n) capabilities. Write robust unit and integration tests using Vitest, Testing Library, and MSW. Contribute to code quality standards, engineering best practices, and technical governance. Participate in code reviews, architectural discussions, and technical decision-making. ...

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 ...

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. ...