19 of 19 Vitest Jobs in London

in a fast-paced, agile environment. * Strong understanding of responsive design, accessibility, performance optimisation, and browser rendering behaviour. * Experience with front-end build tools, testing frameworks (Cypress, Jest or Vitest) and CI/CD pipelines. * Strong API integration skills, consuming and integrating RESTful and GraphQL APIs, with an understanding of security mechanisms. * Proficiency with development tools including Visual Studio, VS More ❯

Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus, Grafana, OpenTelemetry, DataDog, APM tools Understanding of infrastructure More ❯

are secure, observable, and performant at scale. What you bring: Strong production experience with TypeScript and Node.js . Solid understanding of GraphQL (schema design, integration, evolution). Experience with Vitest , Playwright , and DevOps tooling. Knowledge of cloud-native architectures & infrastructure-as-code . Track record of improving codebases and influencing technical direction. Nice to have: YAML/Helm expertise or More ❯

are secure, observable, and performant at scale. What you bring: Strong production experience with TypeScript and Node.js . Solid understanding of GraphQL (schema design, integration, evolution). Experience with Vitest , Playwright , and DevOps tooling. Knowledge of cloud-native architectures & infrastructure-as-code . Track record of improving codebases and influencing technical direction. Nice to have: YAML/Helm expertise or More ❯

are secure, observable, and performant at scale. What you bring: Strong production experience with TypeScript and Node.js . Solid understanding of GraphQL (schema design, integration, evolution). Experience with Vitest , Playwright , and DevOps tooling. Knowledge of cloud-native architectures & infrastructure-as-code . Track record of improving codebases and influencing technical direction. Nice to have: YAML/Helm expertise or More ❯

strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯

strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯

strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯

strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯

best practices in performance, security, and maintainability. Contribute to the creation and use of reusable components, solution templates, and documentation standards. Libraries and Frameworks: React, Next.js, Node.js, .NET Testing: Vitest, Playwright, Pact, K6 Infrastructure and DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform While familiarity with our full technology stack is desirable, it is by no means required. Required Skills & Experience More ❯

JavaScript, TypeScript, React, and NodeJS. Build and optimize user interfaces with modern state management tools (Redux Toolkit, Zustand) and styling frameworks (Tailwind). Implement automated testing using Jest, Mocha, Vitest, and Enzyme to ensure high code quality. Develop and maintain end-to-end testing suites with Playwright. Configure and optimize build processes using Vite and Webpack. Collaborate with backend and … state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to-end testing tools (Playwright). Experience with GitLab and container orchestration (Kubernetes). Strong understanding of web application architecture and best practices. Excellent communication More ❯

JavaScript, TypeScript, React, and NodeJS. Build and optimize user interfaces with modern state management tools (Redux Toolkit, Zustand) and styling frameworks (Tailwind). Implement automated testing using Jest, Mocha, Vitest, and Enzyme to ensure high code quality. Develop and maintain end-to-end testing suites with Playwright. Configure and optimize build processes using Vite and Webpack. Collaborate with backend and … state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to-end testing tools (Playwright). Experience with GitLab and container orchestration (Kubernetes). Strong understanding of web application architecture and best practices. Excellent communication More ❯

JavaScript, TypeScript, React, and NodeJS. Build and optimize user interfaces with modern state management tools (Redux Toolkit, Zustand) and styling frameworks (Tailwind). Implement automated testing using Jest, Mocha, Vitest, and Enzyme to ensure high code quality. Develop and maintain end-to-end testing suites with Playwright. Configure and optimize build processes using Vite and Webpack. Collaborate with backend and … state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to-end testing tools (Playwright). Experience with GitLab and container orchestration (Kubernetes). Strong understanding of web application architecture and best practices. Excellent communication More ❯

JavaScript, TypeScript, React, and NodeJS. Build and optimize user interfaces with modern state management tools (Redux Toolkit, Zustand) and styling frameworks (Tailwind). Implement automated testing using Jest, Mocha, Vitest, and Enzyme to ensure high code quality. Develop and maintain end-to-end testing suites with Playwright. Configure and optimize build processes using Vite and Webpack. Collaborate with backend and … state management libraries (Redux Toolkit, Zustand). Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind). Hands-on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme). Familiarity with end-to-end testing tools (Playwright). Experience with GitLab and container orchestration (Kubernetes). Strong understanding of web application architecture and best practices. Excellent communication More ❯

re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯

re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯

re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯

re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯

Node.js. Lead the design and evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. Champion best practice in code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic. Drive DevOps excellence by collaborating on CI/CD pipelines (Jenkins, Concourse), containerisation (Docker) and Kubernetes deployments. Mentor … Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . Proven ability to lead technical discussions, influence architectural decisions, drive improvements across a More ❯