1 to 25 of 123 Jest Jobs in the UK

. CI/CD and Automation:Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing:Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices:Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication:Able to confidently communicate with internal and external More ❯

with CI/CD pipelines using GitHub Actions or Azure DevOps Solid understanding of cloud architecture and deployment, especially within Microsoft Azure Skilled in automated testing and debugging with Jest, Mocha, and Cypress Knowledge of authentication protocols and security frameworks like ISO 27001 and Cyber Essentials Plus Background in Computer Science, Software Engineering, or a related technical field Practical experience More ❯

collaborative team setting. Significant experience with version control systems such as Git. Strong expertise in writing and maintaining automated tests (e.g., unit, integration, or component tests using NUnit, xUnit, Jest, or Jasmine). Desirable Experience with both front end (e.g. React, TypeScript) and back end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation More ❯

Angular, React. Hands on experience in working with TypeScript. Demonstratable experience in working with and designing REST APIs Knowledge and experience in working with NodeJS Experience with Unit testing (Jest, Vitest). Solid understanding and experience in HTML 5 and CSS 3. Hands-on experience in developing pixel perfect CSS driven, table-less HTML for all new projects, following development More ❯

Angular, React. Hands on experience in working with TypeScript. Demonstratable experience in working with and designing REST APIs Knowledge and experience in working with NodeJS Experience with Unit testing (Jest, Vitest). Solid understanding and experience in HTML 5 and CSS 3. Hands-on experience in developing pixel perfect CSS driven, table-less HTML for all new projects, following development More ❯

GraphQL. Design and implement Java/Spring Boot microservices within AWS Cloud environments, integrating APIs and data layers. Apply best practices in CI/CD, automated testing (JUnit, Mockito, Jest, Playwright) and cloud-native deployment using Docker, GitHub Actions, and Kubernetes. Contribute to architectural decisions and coding standards, ensuring system performance, scalability, and security through thoughtful design. Play a role More ❯

UI components. Familiarity with in CSS-in-JS solutions (e.g. styled-components) for creating themed and brand-aligned interfaces. Experience with modern JavaScript testing frameworks (e.g. Vitest, Playwright, or Jest). Experience with web application integrations, such as iframe-based architectures using the PostMessage API. Knowledge of internationalization (i18n) and localization (l18n) frameworks (e.g. FormatJS/react-intl). Practical More ❯

APIs and token-based authentication (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 way of doing things. We call More ❯

Background in regulated sectors such as finance or defence. Strong skills in JavaScript, HTML, CSS, and modern front-end tools. Experience with RESTful APIs, GraphQL, and testing frameworks (e.g., Jest, Mocha). Familiarity with CI/CD workflows and component libraries. Excellent problem-solving abilities and a focus on user-centric solutions. Desirable Skills: Experience with TypeScript, Redux/Context More ❯

/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible More ❯

analysis skills Quick-thinking problem solver who is comfortable with rudimentary maths and geometry Skilled at proposing, collaborating, and documenting development strategies Experience with automated testing tools such as Jest or Vi-test Advocate of Agile best practices Good knowledge of development principles such as SOLID, TDD, DRY, and Lean Software Development. Desirable Experience Microsoft Azure Tools (DevOps) and cloud More ❯

/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible More ❯

Your Application With Knowledge of Docker for containerised development environments. Familiarity with CI/CD pipelines (e.g., GitHub Actions, Vercel, or similar). Experience with testing frameworks such as Jest, Cypress, or Playwright. Understanding of performance monitoring tools and analytics. Basic knowledge of Node.js for backend integration. What We Can Offer You Salary: £40,000 - £50,000 per annum (dependent More ❯

/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible More ❯

Building Cross-platform interfaces (Web, Phone, Tablet). Experience with modern build tools (Webpack, Vite, or similar) and version control (Git). Desired: Experience with TypeScript. Exposure to Cypress, Jest, or other testing frameworks. Experience in design systems or component library architecture. Interest in motion design, or animation frameworks (e.g., Framer Motion). Benefits: Competitive Base Salary Flexible working hours More ❯

Typescript, CSS, SCSS, SCSS modules. Hands on experience in Git. Strong Skills in React, Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to More ❯

Typescript, CSS, SCSS, SCSS modules. Hands on experience in Git. Strong Skills in React, Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to More ❯

and adaptability matter. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud basics : AWS, Docker, K8s (exposure preferred) Desirable Familiarity with RDBMS/NoSQL for data modeling awareness Interview Process More ❯

Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Library, Cypress). Active contributor in Agile environments, participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in More ❯

Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Library, Cypress). Active contributor in Agile environments, participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in More ❯

growth and innovation. Contribute to DevOps practices including CI/CD pipelines and infrastructure automation. Required Skills TypeScript/Node.js REST APIs (Express, Nest.js, or similar frameworks) Unit testing (Jest or equivalent) Cloud computing (GCP preferred; AWS or Azure experience also valuable) Infrastructure as Code (Terraform or similar) Docker and Compose Continuous Integration tools and environments Experience in a Continuous More ❯

experience in system design at scale, simplifying complex architectures. Understanding of CI/CD and DevOps principles (Azure DevOps experience ideal). Strong background in testing frameworks such as Jest, Playwright or Cypress. Collaborative leadership style with a passion for mentoring and continuous improvement. Experience working with micro frontends or Nx, and partnering closely with design teams. What’s in More ❯

systems. Your Tech Toolkit You'll be working with a modern, enterprise-grade tech stack designed for scale, resilience, and agility. Frontend: React.js (Hooks, Context API) TypeScript Redux Cypress, Jest Backend: Java 11+ Spring Boot RESTful APIs Microservices PostgreSQL Kafka Cloud & DevOps: AWS (EKS, MSK, Opensearch) CI/CD with Jenkins Monitoring with CloudWatch, Kibana Why You'll Love Working More ❯

innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring More ❯

/UX, accessibility (WCAG/WAI), and usability standards Wireframing, prototyping, and high-fidelity mock-ups Use of Figma, Sketch or Adobe XD Testing tools such as Cypress, Mocha, Jest, Selenium, Playwright, Docker, Postman Experience in Agile and/or Waterfall environments What's on offer: Work with modern frameworks including both Vue.js and Next.js, with migration planned Defined progression More ❯