76 to 100 of 359 Jest Jobs in England

and maintain scalable RESTful and GraphQL APIs Experience working with SQL and NoSQL databases like MySQL, PostgreSQL, and MongoDB Knowledge of testing methodologies, including unit and integration testing using Jest or Cypress Hands-on experience with CI/CD pipelines and deployment strategies Understanding of security best practices and performance optimisation techniques Ability to collaborate effectively in agile teams Experience More ❯

and maintain scalable RESTful and GraphQL APIs Experience working with SQL and NoSQL databases like MySQL, PostgreSQL, and MongoDB Knowledge of testing methodologies, including unit and integration testing using Jest or Cypress Hands-on experience with CI/CD pipelines and deployment strategies Understanding of security best practices and performance optimisation techniques Ability to collaborate effectively in agile teams Experience More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview! Seniority level Seniority More ❯

NPM. Solid understanding of HTML5, CSS3, and responsive design principles. Experience with RESTful APIs and backend integration. Knowledge of version control systems, especially Git. Experience with testing frameworks like Jest, React Testing Library, or Cypress. Understanding of Agile/Scrum methodologies. Excellent problem-solving skills and attention to detail. Strong communication skills and teamwork orientation. Our Values Customer Focus: Constantly More ❯

with microservices architecture and containerization (e.g., Docker, Kubernetes). Knowledge of state management libraries (e.g., Redux, MobX). Familiarity with Agile/Scrum methodologies. Exposure to testing frameworks (e.g., Jest, NUnit) and test-driven development (TDD). What We Offer: A dynamic and inclusive work environment. Opportunities for professional growth and career advancement. Competitive salary and comprehensive benefits package. Flexible More ❯

its core principles Solid grasp of Web fundamentals: HTML5 (Semantics & Structure) CSS (Responsive Design, Specificity) JavaScript ES6 General Networking (HTTP, IP & DNS, Caching) Experience with testing frameworks such as Jest, RTL, Cypress or Playwright Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/CD platforms More ❯

both independently and as part of a team Strong verbal and written communication skills Experience with server-side rendering and/or Next.js Familiarity with testing frameworks such as Jest or Enzyme Knowledge of GraphQL and Apollo Client Understanding of UX design principles and accessibility best practices Benefits Enhanced leave - 38 days inclusive of 8 UK Public Holidays Private Health More ❯

the above responsibilities or similar, demonstrating ownership, urgency, and the ability to drive initiatives independently. Solid Background in Automated Testing: Including both unit and e2e tests, using frameworks like Jest & Playwright. Containerization and Orchestration : Experience with Docker and Kubernetes. Cloud Services Familiarity : Knowledge of cloud platforms like AWS, Azure, or GCP. Preferred Applied AI: Previous experience leading or being involved More ❯

oriented language such as C# or Java Typescript NestJS .NET Core GraphQL Elasticsearch React hooks React Native Server-side rendering Styled Components Testing react apps using testing-library and jest Testing .Net using NUnit, XUnit and utilising Moq Docker and kubernetes AWS and terraform Experience running high-availability distributed systems What We Offer You Generous annual leave policies aimed at More ❯

oriented language such as C# or Java Typescript NestJS .NET Core GraphQL Elasticsearch React hooks React Native Server-side rendering Styled Components Testing react apps using testing-library and jest Testing .Net using NUnit, XUnit and utilising Moq Docker and kubernetes AWS and terraform Experience running high-availability distributed systems What We Offer You Generous annual leave policies aimed at More ❯

Writing a React UI using an ATDD approach with Cypress Right Now, We Are Particularly Looking For Core Skills: React, JavaScript, TypeScript, Kubernetes, AWS familiarity, Automated testing frameworks (Cypress, Jest). Familiarity with: AWS, Other automated testing frameworks (e.g. Playwright, Cucumber). Specialised Skills: Material UI, Elastic Stack (EKS/ELK), ExpressJS. Soft Skills: Engaging with technical and non-technical More ❯

HTML5, React 16/17+, Typescript4/5+, JavaScript UI Libraries such as Material UI or Ant Design. CSS pre-processors such as SASS and LESS Testing frameworks e.g. Jest Performance profiling and optimisation Build tools such as Webpack Code quality and governance tools such as Sonarqube. Responsive design and cross-browser compatibility Version control systems such as git i.e. More ❯

and creating components and pages that are reusable and testable, and an understanding of architectural patterns like DDD and microservices. Proficient at writing automated tests using frameworks such as Jest, React Testing Library or Cypress. Collaborate effectively with cross-functional teams, including engineers, product managers, and designers Experience of working in an agile delivery environment (e.g. Kanban) with a delivery More ❯

the above responsibilities or similar, demonstrating ownership, urgency, and the ability to drive initiatives independently. Solid Background in Automated Testing: Including both unit and e2e tests, using frameworks like Jest & Playwright. Containerization and Orchestration : Experience with Docker and Kubernetes. Cloud Services Familiarity : Knowledge of cloud platforms like AWS, Azure, or GCP. Preferred Applied AI: Previous experience leading or being involved More ❯

Associated libraries and frameworks like Next.JS, Gatsby, Redux, React Query and more Design system management (Storybooks are fairly common, little bit of CSS-in-JS, too) Testing tools like Jest and React Testing Library for the most part We also stray into infrastructure work from time to time, using tools like AWS API Gateway, AWS Lambda, AWS CloudFront, GCP or More ❯

WCAG), responsive design principles, and cross-browser compatibility. Experience integrating frontend applications with RESTful APIs and handling complex asynchronous interactions. Familiarity with frontend testing practices using tools such as Jest, Cypress, or Selenium. Strong working knowledge of Git and modern development workflows, including CI/CD practices. Ability to translate UX/UI designs (e.g., Figma, Adobe XD) into functional More ❯

ego team. Key Responsibilities Develop and maintain full-stack applications using React, Node.js, GraphQL, and PostgreSQL/MongoDB Lead automation testing efforts —implementing, improving, and documenting test suites (e.g., Jest, Cypress, Ghost Inspector) Ensure high test coverage and promote testing best practices across the development team Collaborate with product and DevOps teams to deliver secure, stable features efficiently Essential Skills … Experience 3+ years’ professional experience with full-stack JavaScript (React + Node.js) Strong proficiency in GraphQL and modern databases (SQL/NoSQL) Demonstrable expertise in test automation (Jest, Mocha, Cypress, or similar) Ability to define and implement testing strategies —specific tools are flexible Pragmatic approach to balancing delivery speed with code quality Desirable Qualifications Background in regulated industries (e.g., EdTech More ❯

high-performing, supportive environment—while making a real impact on our product and customers. Team Stack Languages & Frameworks: TypeScript, JavaScript, HTML, CSS Frontend: React, TailwindCSS, Emotion, React Query, Playwright, Jest Backend: NestJS, REST APIs Tooling: GitLab, Git Architecture: Microservices with strong code sharing across teams What’s special about this role? This is a fantastic opportunity for an early-career … experience Strong HTML, CSS, and JavaScript fundamentals Hands-on experience with React , TypeScript , and NestJS Familiarity with styling tools like TailwindCSS or Emotion Experience with frontend testing frameworks like Jest or Playwright Comfort working with REST APIs and managing state using tools like React Query Strong communication skills in written and spoken English Familiarity with modern development workflows (Git, GitLab More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows #J-18808-Ljbffr More ❯

of functional components, React Hooks, and component lifecycle - Skilled in TypeScript and writing type-safe frontend code - Proficient in Tailwind CSS, CSS Modules, or styled-components - Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress - Experience deploying via Netlify, or CI/CD pipelines - Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview! CBSbutler is operating and More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯