51 to 62 of 62 Jest Jobs in the UK

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 … developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Desirable Skills Experience with some of the following technologies would ...

understanding customer needs and the real‐world impact of their work. Is passionate about quality, with hands‐on experience in TDD and tools like Jest and React Testing Library. Values clean, maintainable code and enjoys discussing different ideas and approaches. Has experience mentoring and supporting other engineers, contributing ...

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/ ...

Secrets Manager Docker: containerisation of .NET microservices for ECS/Fargate deployment. DevOps & Engineering Practices CI/CD: GitHub Actions — automated build, test (xUnit, Jest), lint, Docker build, and deployment pipelines. Testing: xUnit and Moq for .NET unit and integration tests; Jest and React Testing Library for front-end; Playwright ...

using generative AI tooling to accelerate delivery and maintain code quality Strong opinions loosely held Experience with the following frontend technologies: TypeScript, React, Webpack, Jest (or similar testing frameworks) Experience with the following backend technologies : Java, Spring, Swagger/OpenAPI or other API definition tools Minimum Qualifications Comprehensive relevant industry ...

Fiber, WebGL, Deck.gl ) Real-time data flows: Comfortable working with real-time data and async patterns (Websockets, workers) Writing testable, reusable code: Vitest/Jest/Playwright, Storybook, design systems Data visualisation: Presenting complex data intuitively; geospatial experience is a plus. UX/UI (desirable): A strong sense of user ...

accessible UI development practices. Good experience establishing testing strategies and implementing automated testing solutions. Hands-on experience with testing frameworks and tools such as Jest, React Testing Library, Cypress, Playwright, Vitest, or equivalent. Experience establishing coding standards, development frameworks, and engineering best practices. Hands-on experience with GitHub, GitLab … gates within CI/CD pipelines. Exposure to cloud-native and enterprise-scale applications. Technology Stack React.js, TypeScript, JavaScript, Redux, REST APIs, HTML5, CSS3, Jest, React Testing Library, GitHub, GitLab, CI/CD, Agile/Scrum. Key Competencies Technical leadership and architectural decision-making. Coaching and mentoring development teams. Strong ...

issues across JS thread, native thread, and render pipeline. Experience with automated testing for mobile unit, integration, and end‐to‐end (e.g. Jest, Maestro, Appium). Familiar with App Store and Google Play submission, review processes, and release management. A collaborative, clear communicator who works well with product ...

designs and requirements into high-quality interfaces. Develop reusable components using modern UI component libraries. Write and maintain unit tests using tools such as Jest or Jasmine. Work within Agile development teams and contribute to sprint planning, refinement and delivery. Ensure applications meet WCAG accessibility standards. Use Git for version … TypeScript/JavaScript (ES6+). HTML5 and CSS3, including responsive design. REST API integration. State management experience, ideally Redux or NgRx. Unit testing with Jest, Jasmine or equivalent. Git. Strong understanding of WCAG and accessible web development. Experience with modern UI/component libraries. Experience working within Agile development teams. ...

delivery of testing activities. Provide support and guidance to junior team members as needed. Design, develop, and maintain automated test scripts using Selenium or Jest for functional and regression testing. Utilise Cucumber for behavior-driven development (BDD) and ensure alignment between technical and business requirements. Work with cloud platforms such … dynamic and collaborative environment. If you meet the minimum requirements and are excited about leveraging your skills in Java/JavaScript, Selenium/Jest, and cloud technologies, we encourage you to apply! Embracing our differences At Kainos, we believe in the power of diversity, equity and inclusion. We are committed ...

team can build on. Build and improve high-performance, low-latency interfaces that hold up under real, live market data. Write well-tested code (Jest, Cypress, or Playwright) and contribute to how the team reviews and documents its work. Split your time between shipping new features and keeping things healthy … professional frontend development experience, with excellent TypeScript, React, and Next.js. Experience with MUI or a similar component library. Solid testing practice with frameworks like Jest and Cypress or Playwright. Proficient with Git, Docker, and CI/CD workflows, and familiar with monorepo structures and tools (Turborepo, Yarn Workspaces, or similar ...

Staff Frontend Engineer Shape frontend architecture and platform direction across React, React Native and our Nx monorepo, making product teams faster and raising quality at scale. Our mission is to enable everyone to build wealth ...