76 to 100 of 132 Jest Jobs in the UK

e.g., JWT). Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools. Benefits Competitive salary based on experience + Car Allowance. Flexible and hybrid ...

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 ...

Front-end frameworks: Vue.js and React.js APIs: GraphQL and REST Databases: MSSQL, MySQL and PostgreSQL Git and version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education ...

applied experience Strong hands-on experience building enterprise web applications with React + TypeScript, including advanced component patterns. Strong experience with UI testing (e.g., Jest/React Testing Library and Cypress/Playwright) and systematic debugging/troubleshooting. Proven experience designing and delivering accessible, performant UIs (WCAG awareness, profiling, bundle ...

Angular Deep understanding of software architecture, design patterns, and API design principles Experience working with CI/CD pipelines, automated testing frameworks (e.g. Jest, Playwright), and version control Proven experience running large-scale production systems in AWS and working with Kubernetes/containerisation Strong debugging, performance optimisation, and problem-solving ...

systems (Vercel, GitHub Actions). Experience building or maintaining a design system. Experience with testing libraries and tools (Vitest, React Testing Library, Playwright, Jest). Experience using Tailwind or other utility-based CSS libraries. The stack Next.js React TypeScript Tailwind Typesense ClickHouse Vercel Shadcn/ui Jotai Why work ...

open to discussing and honing approaches for our team to improve our working practices. Have some experience of test-driven development and mocking libraries (Jest, Mockito). Be familiar with collaborative documentation tools (Jira and Confluence). Have some real knowledge of Agile practices and execution (Scrum, Kanban). Wanting ...

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 ...

applied experience Strong hands-on experience building enterprise web applications with React + TypeScript, including advanced component patterns. Strong experience with UI testing (e.g., Jest/React Testing Library and Cypress/Playwright) and systematic debugging/troubleshooting. Proven experience designing and delivering accessible, performant UIs (WCAG awareness, profiling, bundle ...

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 ...

e.g., JWT).* Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools.**What we offer**Join us and you’ll find a different ...

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/ ...

Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … improve application performance, scalability and reliability Strong commercial experience developing applications with Node.js Experience building REST APIs using Express.js Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Experience with some of the following technologies would be advantageous ...

layer, while also extending the React front end. You will work with Azure services, implement tests with xUnit, Moq on backend and Vitest or Jest on frontend, participate in code reviews, architecture decisions, and CI/CD improvements. 5+ years of experience required, strong C#, .NET, React and TypeScript. #J ...

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 ...

Accessibility Content Experience in developing containerising applications with Docker and using orchestration such as Kubernetes. Experience in using test tools such as Cypress, Jest, React Testing Library or Selenium Web Driver. Able to understand the impact of functionality on customers/appreciate customer needs. Logical approach to problem solving. Ability ...

systems and component libraries WCAG 2.1 AA accessibility standards REST API integration SSO implementation experience Role-based user experiences and permissions models Frontend testing (Jest, Vitest, React Testing Library, etc.) Git/GitHub and modern engineering practices Hands-on experience with Claude Code and AI-assisted development workflows Ideal Background ...

systems and component libraries WCAG 2.1 AA accessibility standards REST API integration SSO implementation experience Role-based user experiences and permissions models Frontend testing (Jest, Vitest, React Testing Library, etc.) Git/GitHub and modern engineering practices Hands-on experience with Claude Code and AI-assisted development workflows Ideal Background ...

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 ...

Proven experience of the Angular UI framework. Worked in an Agile (Scrum) engineering environment. Cross-platform and cross-browser development experience. Experience using the Jest unit test framework. Experience using the Cypress browser testing framework. Company Benefits and Perks We believe that the best solutions are developed by teams ...

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 ...