9 of 9 Vitest Jobs in London

YAML, Terraform, CloudFormation, Bash/Zsh, and modern tooling (VSCode, GitHub, Vite, Rollup, tsx, npm). Proficiency with unit, integration, and E2E testing (Vitest, Jest, Cypress, Playwright). Skilled in mocking, dependency isolation, refactoring, and peer review. Understanding of accessibility, performance, load, and security testing. Experience building and maintaining ...

quickly get up to speed on) our stack: React Native/Expo, Railway, GitHub (incl. CI and end-to-end testing), Playwright, Vite/Vitest, Google Cloud, AWS, Twilio, and Stripe Eligible to work in the United Kingdom Nice to Have: TanStack Start/Router experience A passion for music ...

cost optimisation and FinOps principles. Experience operating in regulated, security‐sensitive, or high‐availability environments. Experience with test automation frameworks such as PyTest, UnitTest, Vitest, Jest, or similar. AWS certifications in Architecture, DevOps, Security, Networking, Data, or Machine Learning. Required Competencies Strong analytical and problem‐solving skills, with the ability ...

knowledge of state management (RxJS, or React Query + custom streams) and data flow patterns for streaming + request/response. Testing: Jest/Vitest, React Testing Library, Playwright; strong mock/contract testing. Security: XSS mitigation, CSP, auth flows (OAuth), secure storage, anti phishing UX. CI/ ...

quickly get up to speed on) our stack: React Native/Expo, Railway, GitHub (incl. CI and end‐to‐end testing), Playwright, Vite/Vitest, Google Cloud, AWS, Twilio, and Stripe Eligible to work in the United Kingdom Core Competencies Demonstrates strong full-stack engineering capabilities with expertise in TypeScript ...

HTML5 and CSS3, including responsive design, accessibility and cross-browser compatibility Experience with modern front-end tooling: build systems (Vite, rollup), testing frameworks (Vitest, Playwright) and CI/CD pipelines Familiarity with AI concepts and tooling — including AI-assisted development, LLM integration in web applications; practical experience is a strong ...

scale data visualizations.- Collaborating across teams to influence API design and ensure seamless frontend-backend integration.Our Tech Stack:- Languages & Frameworks: React (TypeScript)- Testing Tools: Vitest (unit testing), Cypress (E2E testing)- Build Tools: Vite (for local development and production bundling)- Custom Solutions: Internal design system, advanced caching mechanisms, and proprietary state ...

engineers rely on day to dayYou know Playwright well for browser end-to-end testing and you're comfortable with unit and component testing (Vitest or similar) and visual regression.You're fluent in TypeScript, Vite and modern front-end tooling.You've designed GitLab CI pipelines that stay fast and reliable ...

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 ...