26 to 35 of 35 Vitest Jobs in the UK

strong eye for detail and product quality Experience creating reusable component libraries and scalable frontend architecture Strong understanding of modern testing practices (Playwright, Vitest, Jest, React Testing Library etc.) Comfortable collaborating closely with engineers, product teams and non-technical stakeholders Ability to work autonomously and deliver at pace Contract Details ...

TypeScript, Java, or Rust Experience with modern test frameworks and willingness to learn new ones (the stack includes Jest, Playwright, Bun test, Vitest, JUnit5, Selenium, and Rust's native testing via cargo test) Cross-platform testing experience, comfortable setting up environments, debugging platform-specific issues, and working with ...

closely with stakeholders to understand and implement project requirements. Profile Must haves: VueJS Single page application development Vuex Pinia/Vite TypeScript Vite Rollup Vitest or Playwright AI - prompt engineering or AI-assisted development (Claude, Cursor etc) Worked on a broker platform, trading or similar industry experience a huge plus ...

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 ...

Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure environments Essential Skills & Experience Strong commercial experience with React Proven expertise with … development experience Senior-level frontend engineering experience Experience working within large-scale frontend applications Strong testing background using tools such as Playwright , Jest , and Vitest Ability to work independently while collaborating effectively within agile squads Experience troubleshooting and resolving production issues Excellent communication and stakeholder management skills Desirable Experience Experience ...

products, ensuring quality is embedded from the earliest stages of delivery. You'll design, build, and maintain scalable automation frameworks using Playwright and Vitest, enabling efficient, reliable, and repeatable testing across our applications. Remaining hands-on, you'll develop automated test suites using BDD and Gherkin-based approaches, creating robust … continuous improvement to a role where you'll influence both technology strategy and delivery outcomes. You'll have strong hands-on experience with Playwright, Vitest, JavaScript and/or TypeScript, alongside a proven track record of designing and implementing successful automation frameworks. You'll bring deep knowledge of automated testing ...

across the stack: App Service, Storage Queues, Event Grid, SignalR;Cover your work with tests on both sides: xUnit and Moq on the backend, Vitest or Jest and Playwright on the frontend;Take part in code review, architectural decisions, and CI/CD improvements.Requirements5+ years of commercial development experience;Strong … Hands-on experience with Azure (App Service, Storage Queues, Event Grid, SignalR);Git, Docker, and CI/CD (GitLab);Testing: xUnit and Moq, Vitest or Jest, Playwright;Good spoken and written English.Nice to haveNode.js and NestJS;MongoDB, Redis;Nx monorepo, Redux Toolkit;Terraform;Datadog or similar observability tooling. #J ...

Putting the ‘i’ into British Innovation. Putting the ‘i’ into Inventing the Future. Putting the ‘i’ into Inspiring Change. myenergi is a growing global clean‐tech manufacturer dedicated to removing the barriers to a greener ...

main framework (preferred rather than essential) Nice to haves Experience with design systems or component libraries Experience with testing frameworks (we use Cypress and Vitest; Jest or Playwright experience is just as relevant) Familiarity with CI/CD and modern frontend build tooling Some full-stack or backend exposure Previous … experience in a fintech company Our tech stack TypeScript (we don’t write plain JavaScript) React Testing: Cypress and Vitest CI/CD How we work (attitudes & behaviours) High agency: autonomous and comfortable owning a problem end-to-end, spotting what needs doing next rather than waiting to be handed ...

using Ant Design and SCSS Integrate with AWS Amplify, AppSync, and GraphQL services Implement internationalisation (i18n) across the platform Write high-quality tests using Vitest, Testing Library, and MSW Drive improvements in performance, maintainability, and developer experience Participate in code reviews, architecture discussions, and technical decision-making Collaborate closely with … Experience building responsive, accessible web applications Working knowledge of GraphQL and AWS Amplify Experience implementing i18n in production applications Strong testing practices using Vitest, Jest, Testing Library, or similar Familiarity with ESLint, CI/CD workflows, and frontend quality tooling Nice to Have AWS certifications Experience with AppSync Passion ...