26 to 50 of 50 Jest Jobs in London

pragmatic about our technology choices. These are some of the things we use now: Python, NodeJS TypeScript, React, styled components PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest AWS, GCP Docker, Terraform, GitHub, CircleCI How we expect you to work We expect you to work in these ways ...

well enough to see what the framework is doing for you. Accessibility in practice: keyboard, focus, screen reader. Useful, not required TypeScript. Testing with Jest, Vitest or Playwright. #J-18808-Ljbffr ...

Points (Nice to have) Understanding of accessibility and UI/UX design principles. Familiarity with SEO and frontend performance metrics. Experience with automated testing (Jest, Cypress, PHPUnit, etc.). CI/CD or DevOps knowledge. Open-source contributions or personal projects. Why Join us Work on a platform with global ...

C# .NET Microsoft SQL Server Experience with any of the following would be beneficial: Material UI Entity Framework Highchartsor another data-visualisation library Vite Jest or a comparable testing framework IIS Octopus Deploy TeamCity Enterprise or regulated software environments Applications involving complex datasets,dashboardsor analytical workflows What We Are Looking ...

building RESTful and/or tool-based APIs integrating with complex internal/external systems Testing: Experience with automated testing frameworks (e.g., pytest, Jest/React Testing Library) and a quality-first mindset Collaboration: Demonstrated ability to engage directly with business users to scope and refine requirements Domain Knowledge: Familiarity ...

observability. Tap into (and extend) our Design System to ship polished UI quickly while raising the bar for consistency. Write robust automated tests (Cypress, Jest, React Testing Library) and keep the CI/CD pipeline green. Partner closely with Product, Design, Backend, Infrastructure, and Mobile engineers to take features from ...

rendering. Deep 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/ ...

Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience building interactive interfaces and modern UIs Competitive salary based on experience Latest development equipment and tools ...

support, and inclusive design integrated into the development workflow. Testing, tooling, and CI/CD excellence -Strong in unit/integration/E2E testing (Jest, Testing Library, Playwright/Cypress), code quality gates, linting, type checks, and modern bundlers/dev servers (Webpack, Vite) with automated, reliable release pipelines. #J ...

stack includes TypeScript, Node.js, pnpm, Turborepo, NestJS, Prisma, PostgreSQL, Redis, React, Next.js, Vite, Tailwind CSS, shadcn/ui, TanStack Query, Stripe, Auth0, Sentry, OpenTelemetry, Jest, ESLint, and Prettier. Many of our engagements run on this same foundation, so we are looking for an engineer who can operate confidently within these ...

with RESTful and GraphQL APIs; Familiarity with front-end build tools (Webpack, Vite, Rollup) and CI/CD pipelines; Experience with automated testing frameworks (Jest, Cypress, etc.); At least 1-2 years of professional experience with React Native; Hands-on experience developing a React Native SDK for cross-platform projects ...

brands on the planet. Job requirements You must have experience and practical knowledge in: TypeScript Next.js and React Unit testing with libraries like Jest, React Testing Library, or vitest e2e testing tools like Cypress or Playwright Strong problem - solving skills and attention to detail A passion for engineering craft ...

Query, React Context API) and client-side routing. Experience with common frontend tooling, testing, and CI frameworks (e.g., Vite/Webpack, NPM, ESLint, Jest, Playwright). Familiarity with RESTful APIs, modern integration patterns, and code versioning tools like Git. Enjoys actively participating in a cross-functional product team and takes ...

plain JavaScript to know what the compiled output does. Git in daily use. Useful, not required Monorepo tooling and shared packages. Testing with Vitest, Jest or Playwright. #J-18808-Ljbffr ...

consume data. Experience with interactive visualisation or grid technologies such as AG Grid, Highcharts, D3 or Plotly. Automated testing experience using tools such as Jest, React Testing Library, Playwright or Cypress. Confidence discussing requirements and explaining technical decisions to business stakeholders. An understanding of authentication, role-based access and secure ...

/CD. Experience with some of the following would be valuable: React Query, Zustand, Redux, Tailwind, Fluent UI, Material UI, Vite, Next.js, Storybook, Playwright, Jest, Azure Static Web Apps, Azure App Service or Microsoft Graph. You do not need to be a deep AI engineer, but you should be interested ...

/CD.Experience with some of the following would be valuable: React Query, Zustand, Redux, Tailwind, Fluent UI, Material UI, Vite, Next.js, Storybook, Playwright, Jest, Azure Static Web Apps, Azure App Service or Microsoft Graph.You do not need to be a deep AI engineer, but you should be interested ...

engineering best practices and CI/CD integration. Skillsets required: Strong understanding of testing principles and modern quality engineering practices. Hands on experience with Jest or Vitest. Experience with React Testing Library and Mock Service Worker (MSW). Experience with building frameworks from scratch with Playwright or Cypress. Knowledge ...

Proven ability to develop secure, high‐quality production Typescript code. Commitment to code quality, including writing and maintaining test cases with frameworks such as Jest, Cypress, and @testing-library/react, as well as conducting performance testing. Solid understanding of web performance optimization and diagnostics.Experience with Python 3 or higher. ...

product. That will tell us more than a resume. Additional information Doxy.me tech stack Frontend: React, TypeScript, Playwright, WebRTC, Next.js, Nx.dev Backend: Nodejs, TypeScript, Jest, NestJS, Nx.dev Cloud: AWS 3rd party: Vonage, Segment, Twilio, Stripe Our products: Doxy.me: The simple, free, and secure telemedicine solution currently used by over ...

with TypeScript, and NextJS. Across the rest of Lendable we also use PHP 8, Symfony, MySQL, PostgreSQL, RabbitMQ, Docker, Kubernetes, React, ArgoCD, Behat, PHPUnit, Jest, and Maestro. How you’ll have an impact Own and optimise the delivery process to ensure features reach customers efficiently, contributing directly to quarterly ...

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 ...

Primaris x TechTalks, Primaris Leadership Academy) Świetną atmosferę współpracy podczas realizacji projektów wśród zaangażowanych ludzi z pasją Cały proces nawiązywania współpracy oraz onboarding prowadzony jest zdalnie. Proces nawiązywania współpracy rozmowy telefonicznej (do 30 min) zdalnej video rozmowy - weryfikacji techniczno‐biznesowej z naszym specjalistą/specjalistką (60‐90 min) zdalnego spotkania ...

Ready to take your career global? Make your mark at one of the biggest names in payments. We're looking for a Full Stack Engineer to join our ever-evolving Hosted Payment Pages team. This ...

Ready to take your career global Make your mark at one of the biggest names in payments. We’re looking for a Full Stack Engineer to join our ever-evolving Hosted Payment Pages team. This ...