17 of 17 Jest Jobs in the Thames Valley

delivering frontend features. Quality Assurance: Contribute to ensuring the highest quality in all frontend applications through testing, documentation, and code reviews. Testing: Implement automated testing using tools such as Jest and React Testing Library , and contribute to the development of end-to-end tests using Cypress . Key Skills & Experience Core Frontend Expertise: Demonstratable experience in in JavaScript , Typescript , and … React (including Hooks). Testing Experience: Experience in unit and integration testing with Jest and React Testing Library . Familiarity with end-to-end testing using Playwright , Cypress , or similar frameworks. CI/CD & DevOps: Understanding of CI/CD pipelines and modern DevOps tools. Familiarity with Azure DevOps Pipelines is a plus. UX/UI Understanding: Familiarity with UX More ❯

Python/Django Experience with React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience with DevOps practices, Docker, Kubernetes More ❯

Tools Experience Languages: Python, JavaScript, TypeScript Frontend: React, Vue.js Backend: Node.js, Express AI Dev Tools: GitHub Copilot, Claude, Windsurf Enterprise Platforms: Microsoft MCP Cloud Platforms: AWS, Vercel, Azure Testing: Jest, Cypress, Playwright Version Control: Git, GitHub Agile Tools: Jira, Trello Why Join TwoSD? At TwoSD , innovation isn’t a department—it’s a mindset. Here, your voice matters, your expertise More ❯

of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows #J-18808-Ljbffr 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 ❯

Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a clean, efficient, and high-performing More ❯

/SQL ). Knowledge of version control systems, particularly Git . Familiarity with cloud platforms ( Vercel , Google Cloud/AWS preferred ) and containerisation. Experience with test frameworks such as Jest/supertest. What We’re Looking For Strong problem-solving skills and attention to detail . Excellent communication and teamwork abilities. Ability to manage time effectively and prioritise tasks. Striving More ❯

and Machine Learning Knowledge of JavaScript, TypeScript, and associated frameworks Experience with Containers, Docker, and Kubernetes Understanding of NoSQL databases Proficiency in test tools such as xUnit, Cypress, Selenium, Jest, and SoapUI In addition, proficiency in test tools like xUnit, Cypress, Selenium, Jest, and SoapUI, along with familiarity with technologies such as Containers, Docker, Kubernetes, and NoSQL, will be advantageous. 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 ❯

C# JavaScript frameworks: Angular, Vue.js, or React MySQL Git or similar source control tools Experience with logging/monitoring tools: Elasticsearch, Rollbar, Sentry, Jira Unit testing frameworks: xUnit, NUnit, Jest, or Jasmine Agile development methodologies Desirable Experience: AWS Terraform Benefits: Competitive base salary Flexible remote working Exposure to exciting, bespoke projects Ongoing learning and development opportunities Clear career progression paths More ❯

as code SEO & Performance: Core Web Vitals, metadata structuring, sitemap configuration, crawl budget CMS: Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing: Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing System Architecture: Designing scalable, secure, and maintainable web architectures Please apply online today if you have the relevant skills and experience for More ❯

Solid experience working with source control platforms and tools such as GIT. Experience with Cloudflare, AWS, Terraform (nice to have) Writing unit tests and using testing frameworks (Xunit, Nunit, Jest, Jasmine) Experience with logging tools (Elasticsearch, Rollbar, Sentry) Solid experience in designing, developing, and consuming RESTful APIs What We Offer: Competitive salary and benefits package. Opportunity to work on cutting More ❯

to shipping key product improvements with a focus on reliability and user impact. Technical Environment: Primary stack includes TypeScript with React (front-end) and NestJS (back-end) Testing tools: Jest, ViteTest, and Playwright Architectures include SPAs, REST, and GraphQL APIs Hosted on AWS using ECS, RDS, S3 and related services #J-18808-Ljbffr More ❯

Junior Developers. C# SQL Server - MySQL Source control platforms such as Git Experience with logging tools - Elasticsearch, Rollbar Sentry, Jira Writing unit tests and using testing frameworks - Xunit, Nunit, Jest, Jasmine Agile Methodologies AWS Terraform Benefits Package Flexible/Remote Working - One day a month in Oxford Working on exciting unique projects with bespoke technologies Learning and Development opportunities If More ❯

company in a developer role Deep understanding of TypeScript, including its type system and advanced features. Extensive experience with AngularJS Strong knowledge of modern frontend development practices, including testing (Jest), build tools (Webpack), and UI/UX principles. Experience designing and implementing scalable web application architectures. Familiarity with RESTful APIs and API design principles. Experience with Agile development methodologies (e.g. More ❯

overall quality of these key growth drivers. Key Skills: Proficient in React Experience in Ruby environments. Experience with GraphQL for API development and integration. Knowledge of testing frameworks (e.g., Jest, React Testing Library) is a plus. If you are interested, please apply with an updated copy of your CV. Front-End Developer - Contract - Outside IR35 - £350-400/day (Remote More ❯