1 to 25 of 128 Jest Jobs in England

Go, TypeScript, and/or JavaScript Experience with technologies such as MySQL, MongoDB, Postgres, Redis, gRPC, WebSockets, REST API, React, CSS, Rego/OPA, Jest, Cypress, Redux, microservices, AWS/Azure/GCP, Docker, Kubernetes, etcd, Tailwind, DaisyUI, shadcn/ui, Git, Ansible, Terraform, HTML5, Leaflet/Mapbox/Cesium More ❯

/asset delivery APIS. Experience of developing and maintaining infrastructure as code. Experience with unit, integration, and end to end testing tools and practices (Jest, Playwright). Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews and following More ❯

e.g., MySQL, PostgreSQL, MS SQL Server, MongoDB. Familiarity with Git and branching strategies such as GitOps. Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and maintain unit, integration, and end-to-end tests. Ability to write and understand design documentation using C4, sequence diagrams More ❯

REST APIs and API documentation (OpenAPI) SQL & NoSQL databases Git, GitLab, CI/CD pipelines Docker & microservices Bonus Points for Experience With: Testing with Jest NestJS framework Jamstack – Gatsby or Next.js RabbitMQ, SOLR, or AWS Java or Vert.X (for those with polyglot experience!) Ways of Working: Agile and squad-based More ❯

REST APIs and API documentation (OpenAPI) SQL & NoSQL databases Git, GitLab, CI/CD pipelines Docker & microservices Bonus Points for Experience With: Testing with Jest NestJS framework Jamstack – Gatsby or Next.js RabbitMQ, SOLR, or AWS Java or Vert.X (for those with polyglot experience!) Ways of Working: Agile and squad-based More ❯

REST APIs and API documentation (OpenAPI) SQL & NoSQL databases Git, GitLab, CI/CD pipelines Docker & microservices Bonus Points for Experience With: Testing with Jest NestJS framework Jamstack – Gatsby or Next.js RabbitMQ, SOLR, or AWS Java or Vert.X (for those with polyglot experience!) Ways of Working: Agile and squad-based More ❯

ES6+, React, Redux, Node.js , and related front-end technologies. Experience with RESTful APIs, JSON, WebSockets , and asynchronous programming. Solid understanding of testing frameworks (e.g., Jest, Mocha, Cypress). Knowledge of build tools like Webpack, Babel, or Vite and experience with Git-based workflows. Comfortable working in Agile environments , with tools More ❯

front-ends - React.js, Angular or Vue HTML, CSS, JavaScript (ES6) or TypeScript Webpack or Gulp A client-side Unit Testing framework e.g., Mocha or Jest Other technical skills API Management and Documentation (Swagger.io, I/O Docs) Experience with high scale, highly transactional, high performance, highly available systems and robust More ❯

agile environment Strong communication skills and a pragmatic, problem-solving mindset Bonus Points Experience with containerization (e.g., Docker, Kubernetes) Knowledge of testing frameworks (e.g., Jest, PyTest) Familiarity with DevOps practices and CI/CD pipelines Experience with cloud services (AWS, GCP, or Azure) Perks & Benefits Generous holiday allowance Pension contributions More ❯

JavaScript. Solid understanding of core web technologies (HTML5, CSS3). Experience working in cloud-hosted environments, ideally Azure. Familiarity with automated testing frameworks (e.g., Jest, Playwright). A collaborative mindset with a passion for solving real customer problems. Curiosity, initiative, and a drive to continuously learn and adapt. Bonus Points More ❯

Automation:Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing:Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices:Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication:Able to confidently More ❯

practical experience using CI/CD tools. Specifically AWS Code Build and GitHub. Minimum 5 years experience working with testing frameworks such as Cypress, Jest and Enzyme/RTL. Practical experience working with AB testing Technologies (we use Conductrics but experience with other equivalent tools such as AB Tasty or More ❯

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 More ❯

with HTML, CSS-in-JS (or SASS), NodeJS, NPM and TypeScript. Experience of using and developing RESTful web services. Experience of web testing frameworks (Jest, Enzyme, Cypress, etc.). Experience working in a git-based CI/CD SDLC environment. Knowledge of data structures, algorithms, and designing for performance. Comfortable More ❯

TypeScript, Material UI (v5) MUI, REST APIs, and CSS. Strong knowledge of state management tools (Redux, MobX, etc.). Experience with testing frameworks like Jest and Cypress for unit, integration, and end-to-end testing. Understanding of GIT version control and CI/CD pipelines (e.g., Azure DevOps, GitHub). More ❯

years experience with React, Typescript, State Management (Zustand/Redux) Core front-end skills: HTML, CSS/SCSS, Vanilla JavaScript Experience with Jest or React Testing Library Understanding of performance and accessibility best practices Passion for craftsmanship, clean code, and automation Desirable: Experience with Design Systems/Figma Playwright or More ❯

APIs, web services, source code repositories and change management tools like Git Knowledge of agile development practices and test automation, especially using tools like Jest, Testing Library, and Cypress Strong experience with build processes and release automation, including using DevOps Pipelines, Nexus, SonarQube, and AquaSec Excellent problem solving and analytical More ❯

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 . More ❯

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 . More ❯

HTML5, CSS3, and IIS Experience with SQL Server, MySQL, CI/CD tools (TeamCity), and source control platforms like GIT Testing frameworks (Xunit, Nunit, Jest, Jasmine) and logging tools (Elasticsearch, Rollbar Sentry) RESTful APIs is a must, knowledge of Cloudflare, AWS, and terraform is a plus If you are passionate More ❯

Next.js/Node/Redux/React Context API/State management. Build tools: Webpack and Rollup. CSS/SCSS/SCSS Modules. Testing: Jest, React Testing Library, Enzyme. Experience with micro-fronted architecture. Familiarity with UX tools such as Figma and the Adobe Suite. Experience working with Azure DevOps More ❯

Next.js/Node/Redux/React Context API/State management. Build tools: Webpack and Rollup. CSS/SCSS/SCSS Modules. Testing: Jest, React Testing Library, Enzyme. Experience with micro-fronted architecture. Familiarity with UX tools such as Figma and the Adobe Suite. Experience working with Azure DevOps More ❯

demonstrating ownership, urgency, and the ability to drive initiatives independently. Solid Background in Automated Testing: Including both unit and e2e tests, using frameworks like Jest & Cypress. Containerization and Orchestration: Experience with Docker and Kubernetes. Cloud Services Familiarity: Knowledge of cloud platforms like AWS, Azure, or GCP. Preferred Applied AI: Previous More ❯

CI/CD tools (TeamCity) and source control (GIT). Familiar with Cloudflare, AWS, Terraform. • Able to write unit tests with frameworks (Xunit, Nunit, Jest, Jasmine). • Experienced with logging tools (Elasticsearch, Rollbar, Sentry) and RESTful APIs development. Interested? Please submit your updated CV to Dean Sadler-Parkes at Crimson More ❯

and Laravel skills. Strong experience with React, NodeJS backend, Node Package Manager (NPM). Docker containerisation. Writing and maintaining Unit Tests - experience with PHPUnit, Jest or similar. API Development - including RESTful APIs. Automated testing tools - including Selenium, Cypress, Postman. SQL - coding and management with various SQL dialects including SQL, MSSQL More ❯