1 to 25 of 62 Jest Jobs in the UK excluding London

code quality, performance, and security across the stack. Participate in agile ceremonies, code reviews, and continuous improvement initiatives. Essential Skills: Frontend: React.js, TypeScript, Redux, HTML5, CSS3, SASS Webpack, Babel, Jest, Cypress Backend: Java 8+, Spring Boot, Node.js (optional) REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (optional) Docker, Kubernetes, Terraform GitHub Actions, Azure DevOps Databases: PostgreSQL, Oracle, MongoDB More ❯

React and state management libraries (redux, react query); Source code repositories and change management tools (e.g. Git); Agile development practices and test automation (Unit/Integration/E2E testing - Jest/Testing Library/Cypress, Playwright); Build processes and release automation (Azure Pipelines, Nexus); Experience of agile development practices, DevOps pipelines, continuous integration/deployment, test automation and the E2E More ❯

and version control workflows Understanding of software engineering best practices and clean code principles Nice to have Familiarity with Next.js and SSR/SSG Experience with testing frameworks like Jest, React Testing Library or Cypress Awareness of CI/CD tools and pipelines Basic understanding of backend technologies such as Node.js You'll be part of a modern engineering setup 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 ❯

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 ❯

/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 ❯

/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 ❯

/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 ❯

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 ❯

/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 ❯

/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 Nuxt.js, with migration planned Defined progression More ❯

Service Bus Desirable Skills Knowledge of LDDF framework , MOD digital services, or Defence data standards Infrastructure as Code – Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440 , NCSC Secure Coding Guidelines , or Defence Digital standards Security Clearance Active SC clearance is mandatory . Candidates eligible for DV clearance will be prioritised More ❯

equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Industry standard CI/CD Orchestration Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP • A detailed and working More ❯

with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Industry standard CI/CD Orchestration Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP • A detailed and working More ❯

Service Bus Desirable Skills Knowledge of LDDF framework , MOD digital services, or Defence data standards Infrastructure as Code - Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440 , NCSC Secure Coding Guidelines , or Defence Digital standards Security Clearance Active SC clearance is mandatory . Candidates eligible for DV clearance will be prioritised More ❯

experience with AWS, full stack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning More ❯

experience with AWS, full stack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with integration and onboarding 3rd party vendors, meeting with vendor engineering contacts, defining integration patterns, abstracting More ❯