51 to 74 of 74 Jest Jobs in the UK excluding London

or above for every release. Taking part in daily stand-ups, sprint planning, demos, and retrospectives. Working closely with team members to deliver features iteratively and efficiently. Using Jest and React Testing Library for unit testing. Running end-to-end tests with Cypress or Playwright. Maintaining at least 80% test coverage across projects. Configuring and running GitHub Actions pipelines. Automating … build. VS Code/Visual Studio: Confident in configuring settings, extensions, and launch configs. Accessibility: Knowledge of WCAG 2.1 and ARIA, with audit/test results as evidence. Testing: Jest, React Testing Library, and Cypress/Playwright, including coverage reports. Build tools: Webpack or Vite, npm or Yarn, with a focus on optimised bundles and code-splitting. CI/CD … Version control: Git with feature branch workflows and protected main branches. CI/CD: GitHub Actions for linting, testing, building, and deploying. Package managers: npm and Yarn. Testing frameworks: Jest, React Testing Library, Cypress, and Playwright. Project management: Tiega. Cross-browser testing: Chrome, Edge, Firefox, Safari, and BrowserStack. More ❯

including: Full stack development with C#, .NET 9, JavaScript/React/TypeScript, SQL, AWS Building integrations with third-party systems and delivering data migrations Supporting testing activities (NUnit, Jest, system integration testing) Collaborating with colleagues to deliver new features and long-term product enhancements About You Were keen to speak with developers who: Have commercial experience with C#/ More ❯

APIs, GraphQL, and modern front-end build tools (Webpack, Babel, etc.) Experience with responsive design and cross-browser compatibility Understanding of version control systems (Git) Knowledge of testing frameworks (Jest, Enzyme, or similar) is a plus Experience 2+ years of professional experience in front-end development using React.js Proven track record of delivering high-quality web applications in a collaborative More ❯

and React . Experience with Node.js, Webpack , and modern development workflows. Strong understanding of client-side performance, cross-browser compatibility, and RESTful APIs . Experience with testing frameworks (e.g., Jest, Enzyme ) and UI tools (e.g., Figma ). A passion for building maintainable, scalable, and high-quality software. Strong communication skills and a collaborative mindset. Bonus skills: Data visualisation (e.g., D3.js More ❯

and contribute directly to the user experience. Your Day-to-Day Will Include: Designing and implementing scalable front-end solutions using React , TypeScript , and modern tooling (e.g. Redux, Webpack, Jest). Breaking down complex, ambiguous problems into clean, testable components. Performance tuningboost UI responsiveness, decrease load times, and streamline data management. Selecting and integrating third-party tools and libraries wisely More ❯

inclusive design principles. Abillity to lead cross-functional teams and mentor developers Experience translating design language into reusable code components. Experience with CI/CD pipelines, testing frameworks (e.g., Jest, Playwright), and performance monitoring Additional Information Benefits package includes: Hybrid working Great compensation package and discretionary bonus Core benefits include pension, bupa healthcare, sharesave scheme and more 25 days annual More ❯

Step Functions, Apigee) Proficiency in Java (Springboot), AngularJS, Jenkins, Node 10, Groovy, Bash, Typescript. Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube Knowledge of Karate, Gherkin, Cypress, Jest Understanding of DevOps practices. Ability to design and implement secure systems. Experience with automation and integration tools. Knowledge of service support and fault resolution More ❯

Express applications and REST APIs Strong understanding of JWT-based auth flows and role-based access control Familiarity with SIP protocols, VoIP testing, and telephony systems Experience with Postman, Jest, Cypress, and other automation tools Knowledge of cloud environments (AWS/Azure/GCP) and microservices testing Excellent defect reporting and collaboration skills Why Apply? Work on a life-impacting More ❯

training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology, career progression and a great working environment with a talented team. Interviews are being held within the next couple of More ❯

Responsibilities: Expert knowledge of HTML, CSS and JavaScript Experience developing front end applications using modern JavaScript frameworks like; React, Vue, Svelte Familiarity with writing unit tests using frameworks like Jest Experience working with APIs and integrating back end data If you're detail-oriented, passionate about technology and looking for a role where your work truly matters, we would love More ❯

commercial experience with React and React Native. Experience with Next.js , ShadCN , and design systems. Solid understanding of RESTful APIs and API integration Knowledge of modern testing tools such as Jest , React Testing Library , or Enzyme. Experience collaborating with backend teams, designers, and product stakeholders. Nice to have: Exposure to tools like Cursor and other AI coding assistants Familiarity with mobile More ❯

experience Strong commercial experience with React and TypeScript Familiarity with Vite, Next.js, or other modern build tools Comfortable with component libraries and design systems Proficient in testing frameworks (e.g. Jest, React Testing Library) Good understanding of performance optimisation and accessibility best practices The ideal candidate will be proactive, collaborative, and keen to influence both tech and product direction. If you More ❯

App Store and Google Play Store Tech Stack & Tools React Native with TypeScript, React Navigation, Reanimated/Gesture Handler Java/Kotlin & Swift/Objective-C Gradle, GitHub Actions Jest, React Testing Library, Detox (end-to-end) App Attest, Play Integrity API, secure coding best practices If this sounds interesting, please apply for a confidential chat to find out more. More ❯

App Store and Google Play Store Tech Stack & Tools React Native with TypeScript, React Navigation, Reanimated/Gesture Handler Java/Kotlin & Swift/Objective-C Gradle, GitHub Actions Jest, React Testing Library, Detox (end-to-end) App Attest, Play Integrity API, secure coding best practices If this sounds interesting, please apply for a confidential chat to find out more. More ❯

development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West MidlandsErin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯

development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West Midlands Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯

along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯

along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯

theming: Strengthen our Chakra UI theming solution for multi-client branding. Quality & testing: Maintain high Core Web Vitals, accessibility, and write robust unit/integration/E2E tests with Jest & Cypress. Agile collaboration: Work within Agile Scrum (stand-ups, planning, reviews, retrospectives); contribute to technical planning sessions and estimations. Stakeholder communication: Partner with designers, engineers, product, and clients/stakeholders … or similar). Excellent CSS/responsive/theming skills (Chakra UI a plus). Agile Scrum experience, including participation in technical planning/estimation. Testing: demonstrable experience building Jest unit/integration suites and Cypress E2E tests. Portfolio showcasing beautiful, user-centred, performant work. Clear communicator; collaborative, product-thinking mindset. Three.js or other advanced animation tools. Enterprise SaaS/ More ❯

Springboot) and AWS cloud services (ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube AWS DevOps Engineer certification or above. Understanding of software development lifecycle. Ability to apply secure coding practices. Experience with CI … Cloudflare Languages: Java 8 (SpringBoot), Node 10, Groovy, Bash, Angular.js, Typescript, Drupal AWS Services: ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions Testing: Junit, Karate, Cypress, JMeter, Gatling, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube Document Management: SharePoint and SharePoint Wiki Communication: Microsoft Teams More ❯

Playwright) Location: Reading, UK (Hybrid) Type of Hiring: Contract Job Description: We’re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing … Agile teams, you’ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer – Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯

Playwright) Location: Reading, UK (Hybrid) Type of Hiring: Contract Job Description: We’re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing … Agile teams, you’ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer – Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯

We re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯

We’re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you’ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer – Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯