151 to 175 of 318 Jest Jobs in England

framework, and our codebase is written in TypeScript . We're using Vanilla Extract for styling paired with React Aria primitives. We write tests with React Testing Library and Jest , as well as Playwright . Finally, we deploy to Kubernetes in production, running on Amazon Web Services . Our technologists are at the very heart of Starling and enjoy working More ❯

development and automation processes for build and release of software. A strong background in JavaScript (ES6 & TypeScript), DOM scripting, Node.js. Experience in testing JavaScript code and React component (e.g. Jest, Cypress). Experience with modern, CSS(3) styling and layout (framework agnostic) including working with CSS preprocessors and/or CSS-in-JS. Built, deployed and run Node.js applications and More ❯

Writing a React UI using an ATDD approach with Cypress We are particularly looking for candidates with: Core Skills: React, JavaScript, TypeScript, Kubernetes, AWS familiarity, Automated testing frameworks (Cypress, Jest). Familiarity with: AWS, other automated testing tools, and related technologies. #J-18808-Ljbffr More ❯

team members to ensure timely 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 as AWS and Azure DevOps … performance. Minimum (essential) Requirements Minimum of 2 years of experience in software testing or a related field. - Proficiency in either Java or JavaScript. Hands-on experience with Selenium or Jest for test automation. ISTQB Foundation Level Certification. Strong analytical and problem-solving skills, with attention to detail. Excellent communication and interpersonal skills, with the ability to collaborate effectively within a … with cutting-edge technologies in a 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 to building a team More ❯

would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯

would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯

principal role. Technical Proficiency: Expertise in React.js and its core principles, including state management (e.g., Redux, Context API), hooks, and lifecycle methods. Testing: Proficiency in testing frameworks such as Jest, React Testing Library, and end-to-end testing tools. Build Tools: Familiarity with modern build pipelines and tools. Version Control: Experience with Git and collaborative workflows. Soft Skills: Excellent communication … and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. More ❯

principal role. Technical Proficiency: Expertise in React.js and its core principles, including state management (e.g., Redux, Context API), hooks, and lifecycle methods. Testing: Proficiency in testing frameworks such as Jest, React Testing Library, and end-to-end testing tools. Build Tools: Familiarity with modern build pipelines and tools. Version Control: Experience with Git and collaborative workflows. Soft Skills: Excellent communication … and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. More ❯

Using We Rely Heavily On The Following Tools And Technologies React & Typescript to write our frontend application code Playwright for our end-to-end tests Sentry for metrics & monitoring Jest, Vitest & React Testing Library for our unit tests AWS for our production and staging environments We’d love to hear from you if... You have 5+ years' experience developing robust … JavaScript/TypeScript, semantic HTML & CSS A deep understanding of ReactJS & Redux You have experience using WebRTC Experience using Sentry or similar app monitoring/telemetry platform Experience with Jest or Vitest testing frameworks You have an ability to see through conflicting or unclear priorities. Prioritise them, focus and act decisively with the overall context of the business in mind. More ❯

React.js and TypeScript. Collaborate with designers to transform wireframes and prototypes into functional, responsive interfaces using Tailwind CSS for styling. Write automated tests using tools such as Cypress or Jest to ensure functionality and prevent regressions. Contribute to the continuous improvement of team workflows and coding standards. Experience Required Proven experience with web applications. Knowledge of integrating and consuming RESTful More ❯

React.js and TypeScript. Collaborate with designers to transform wireframes and prototypes into functional, responsive interfaces using Tailwind CSS for styling. Write automated tests using tools such as Cypress or Jest to ensure functionality and prevent regressions. Contribute to the continuous improvement of team workflows and coding standards. Experience Required Proven experience with web applications. Knowledge of integrating and consuming RESTful 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 This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact 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 This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯

our applications. Required Skills & Qualifications: 5+ years of experience as a JavaScript Developer. Strong proficiency in Node.js and React.js . Hands-on experience with unit and integration testing (e.g., Jest, Mocha, Cypress). Deep understanding of JavaScript, ES6+, and modern front-end frameworks. Experience with RESTful APIs, GraphQL, and microservices architecture. Proficiency in Git, CI/CD pipelines, and Agile More ❯

in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. Collaborative Spirit: Strong communication and collaboration skills, essential for a More ❯

need from you Required skills HTML/CSS React.js Git Webpack Using RESTful APIs Ideal (but we’ll train you up in these if you don’t have them) Jest Cypress CI/CD Python What we can give you We're a small, supportive team that cares about each individual’s journey. When you join us you’ll get More ❯

React.js and TypeScript. Collaborate with designers to transform wireframes and prototypes into functional, responsive interfaces using Tailwind CSS for styling. Write automated tests using tools such as Cypress or Jest to ensure functionality and prevent regressions. Contribute to the continuous improvement of team workflows and coding standards. Experience Required Proven experience with web applications. Knowledge of integrating and consuming RESTful More ❯

systems like Git . Strong problem-solving skills and ability to work in a fast-paced environment. Understanding of DevOps practices, CI/CD pipelines, and frontend testing frameworks (Jest, Cypress). Preferred Qualifications: Experience with UI/UX principles and design systems . Knowledge of server-side rendering (Next.js) and static site generation . Exposure to AI-driven UI More ❯

Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯

Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯

in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. Collaborative Spirit: Strong communication and collaboration skills, essential for a More ❯

SOLID etc). Web Service API integration Experience with TDD environment (Test Driven development) Unit testing with PHPUnit and/or a JS test framework eg Mocha, Jasmine/Jest, React Test Worked in an agile environment (Epics, User Stories, Tasks). #J-18808-Ljbffr More ❯

it’s consumer-grade or bust A love for writing Preferred skills Experience as a technical lead; making architectural design decisions ATOMIC approach, Storybooks NX, Github actions, PNPM, Conducting Jest/Vite tests and leveraging ESBuild Experience with Vue.js Benefits & perks (UK full-time employees): Generous PTO, plus company holidays Comprehensive medical and dental insurance Paid parental leave for all 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 work More ❯

mobile libraries for networking. Experience with performance and memory tuning tools. 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 ❯