101 to 125 of 162 Permanent Jest Jobs

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 ❯

end frameworks such as Angular/React/Vue6+ years of experience delivering scalable and resilient applications at large enterprise scaleStrong knowledge with redux and redux-persistStrong knowledge with Jest framework for unit testingExperience in data handling from content management systemExperience with integrating third-party libraries, SDKs and APIsExperience with analytics and loggingExperience with real-time App monitoring and crashlyticsExperience 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 ❯

software lifecycle, from planning to release and ongoing improvements Occasionally travelling to Cambridge for team collaboration (1 day per month, expenses covered) Tech Stack Frontend: React, TypeScript, MobX Testing: Jest, Playwright, React Testing Library Tooling: GitHub, CircleCI, AWS Dev Practices: CI/CD, TDD, accessible and scalable web development What We’re Looking For Strong experience with JavaScript, TypeScript, and More ❯

engineer who keenly avoids over-engineering solutions. Holds high quality code in a delivery focused setting. Experience developing shared code libraries (NPM packages). Experience with automated testing frameworks (Jest, Karma, Cypress, or Protractor) Competency with CI/CD pipeline to release software safely and effectively. Why Join Them? Join a company who offer a unique opportunity to shape your More ❯

and communication skills. Preferred Qualifications Experience translating business requirements into technical solutions. Familiarity with modern front-end tools and CI/CD pipelines. Knowledge of testing frameworks such as Jest, Enzyme, or similar. Education Bachelors or Masters degree in Computer Science, Software Engineering, or a related field. More ❯

and Gradle • Development Tools: o Git source version control o Jira project management o Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST) o Unit and integration testing (e.g., jest, mocha, chai) • Business Analysis and Project Management: o SAFe Agile Principles o Jira o Confluence Salary and Other Compensation: The annual starting salary for this position is between More ❯

and Gradle • Development Tools: o Git source version control o Jira project management o Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST) o Unit and integration testing (e.g., jest, mocha, chai) • Business Analysis and Project Management: o SAFe Agile Principles o Jira o Confluence Salary and Other Compensation: The annual starting salary for this position is between More ❯

engineer who keenly avoids over-engineering solutions. Holds high quality code in a delivery focused setting. Experience developing shared code libraries (NPM packages). Experience with automated testing frameworks (Jest, Karma, Cypress, or Protractor) Competency with CI/CD pipeline to release software safely and effectively. Why Join Them? Join a company who offer a unique opportunity to shape your More ❯

with React and related app development libraries, such as Redux Toolkit and Material UI Experience with front-end testing methodologies and tools, such as React Testing Library, Cypress, and Jest Experience using RESTful APIs and addressing common challenges, such as state management and concurrency Currently possesses and is able to maintain an active U.S. Secret security clearance, at a minimum. More ❯

with React and related app development libraries, such as Redux Toolkit and Material UI Experience with front-end testing methodologies and tools, such as React Testing Library, Cypress, and Jest Experience using RESTful APIs and addressing common challenges, such as state management and concurrency Currently possesses and is able to maintain an active U.S. Secret security clearance, at a minimum. More ❯

best practices: memoization, virtualization, code-splitting, lazy loading, minimizing re-renders; use React Profiler and browser devtools Secure frontend practices (XSS/CSRF mitigation, CSP, input sanitization) Testing with Jest and React Testing Library Understanding of modern build tooling (Vite/Webpack), bundling, and asset delivery Here's what we're looking for: Technical Skills Solid engineering experience across frontend More ❯

practices. Understanding in developing and troubleshooting cross-platform and cross-browser issues. Familiarity with unit testing and concepts of test-driven development. Knowledge of testing frameworks and tools like Jest, Mocha, or Selenium. Excellent problem-solving, analytical, and communication skills. Apply online at link below or send resume to: Tim Cobb, Talent Acquisition, SS&C Technologies, Inc., Ref: . An More ❯

Technical & AI/ML Skills: Expert in JavaScript/TypeScript, React (Hooks, Context, Redux). Modern front-end tooling (Webpack, Babel, Vite). API integration, state management, and testing (Jest, React Testing Library), including AIaugmented testing platforms. Web security best practices (XSS, CSRF, authentication flows), enhanced by AI tools. Familiarity with containerization, CI/CD, and responsive UI/UX 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 ❯

reputation and long-term investment in technology. Tech Stack React, TypeScript, (core technologies) Integration with Headless CMS (e.g. Contentful) CI/CD pipelines, infrastructure-as-code, automated testing (Node, Jest, React Testing Library, SonarCloud, NPM) Exposure to Cloud environments and secure API-driven architectures What You'll do Design and develop new components and features for key user interfaces Expand More ❯

Web related protocols and technologies such as Tomcat, Nodejs, Web Services, or SSL. Demonstrated hands-on experience developing JUnit and Jasmine tests. Demonstrated experience with testing platforms such as Jest or Karma. Demonstrated hands-on experience working with DevOps tools such as Git, Jenkins, or Nexus HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE Other skills and demonstrated experiences that are highly More ❯

and Gradle • Development Tools: o Git source version control o Jira project management o Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST) o Unit and integration testing (e.g., jest, mocha, chai) • Business Analysis and Project Management: o SAFe Agile Principles o Jira o Confluence Salary and Other Compensation: The annual starting salary for this position is between More ❯

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 ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯