26 to 50 of 109 Jest Jobs

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 ❯

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 ❯

languages such as Java/Springboot, PHP or .Net would also be beneficial, although not essential. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to ensure system reliability and performance. 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 ❯

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 ❯

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 ❯

React. Collaborate with designers, back-end developers, and stakeholders to deliver user-centric products Integrate APIs and manage CI/CD pipelines Write robust unit tests using tools like Jest Contribute to architectural decisions and technical strategy Support continuous improvement and innovation across the development lifecycle Essential Skills: Expert-level proficiency in HTML, CSS, JavaScript Strong experience with React. Familiarity 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 ❯

technologies (e.g., Docker, Container Apps). Familiarity with continuous integration/continuous deployment (CI/CD) pipelines (Github actions a plus). Experience with testing frameworks (e.g., XUnit, Specflow, Jest). Experience with Behaviour Driven Development (Gherkin Scenarios, Domain Modelling) Understanding of UI/UX principles. Contributions to open-source projects. Knowledge or experience working with text-to-code language More ❯

technologies (e.g., Docker, Container Apps). Familiarity with continuous integration/continuous deployment (CI/CD) pipelines (Github actions a plus). Experience with testing frameworks (e.g., XUnit, Specflow, Jest). Experience with Behaviour Driven Development (Gherkin Scenarios, Domain Modelling) Understanding of UI/UX principles. Contributions to open-source projects. Knowledge or experience working with text-to-code language More ❯

technologies (e.g., Docker, Container Apps). Familiarity with continuous integration/continuous deployment (CI/CD) pipelines (Github actions a plus). Experience with testing frameworks (e.g., XUnit, Specflow, Jest). Experience with Behaviour Driven Development (Gherkin Scenarios, Domain Modelling) Understanding of UI/UX principles. Contributions to open-source projects. Knowledge or experience working with text-to-code language More ❯

implementing NestJS v10, ORM (TypeORM), and REST APIs; ensure consistent standards across services. Database: Oversee schema design, optimization, and integration with PostgreSQL and Oracle SQL. Testing: Ensure use of Jest for both frontend and backend unit testing to maintain quality and CICD alignment. Integration: Dell Boomi, MuleSoft Core Docker: Docker Engine, Docker Compose, Dockerfile authoring, Docker Hub, Docker Registry. Container More ❯

working knowledge of test-driven development (TDD), including the red, green, refactor cycle; component and integration tests; effective use of test doubles and mocks; fast, deterministic suites. Testing with Jest and React Testing Library. Accessibility, semantic HTML, WCAG 2.2 AA, and the GOV.UK Design System. Experience consuming APIs and handling structured data, preferably with exposure to enterprise platforms or OData. More ❯

working knowledge of test-driven development (TDD), including the red, green, refactor cycle; component and integration tests; effective use of test doubles and mocks; fast, deterministic suites. Testing with Jest and React Testing Library. Accessibility, semantic HTML, WCAG 2.2 AA, and the GOV.UK Design System. Experience consuming APIs and handling structured data, preferably with exposure to enterprise platforms or OData. More ❯

working knowledge of test-driven development (TDD), including the red, green, refactor cycle; component and integration tests; effective use of test doubles and mocks; fast, deterministic suites. Testing with Jest and React Testing Library. Accessibility, semantic HTML, WCAG 2.2 AA, and the GOV.UK Design System. Experience consuming APIs and handling structured data, preferably with exposure to enterprise platforms or OData. More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

the NodeJS ecosystem Experience with front-end React/React Native framework Experience and feeling with social media environments You have experience with various testing patterns and supporting frameworks, (Jest, Mocha, Chai, snapshot testing, unit testing) Strong understanding of GraphQl and RESTFul services' conventions and architecture You can work independently and take matters into your own hands The ability to More ❯

Knowledge of performance tuning techniques including lazy loading, code splitting, and asset optimisation. Experience consuming secure REST APIs from the browser. Familiarity with front-end testing frameworks such as Jest, React Testing Library, Playwright or Cypress. Solid understanding of modern front-end tooling (e.g., npm/yarn, Vite/Webpack, ESLint/Prettier). Strong communication and collaboration skills across More ❯

fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with More ❯