51 to 75 of 162 Jest Jobs

HTML5, CSS3. Understanding of responsive design and component architecture. Git and modern Front End workflows. Attention to detail and a problem-solving mindset. Desirable skills: Testing tools such as Jest, React Testing Library, or Cypress Build tools like Webpack or Vite Accessibility best practice knowledge Why this role? Hybrid working from a prime Liverpool Street location. Varied and interesting projects. More ❯

and cloud services Skills required: JavaScript (ES6+) and TypeScript React (Next.js or similar modern framework) Node.js & Express for backend services (desirable) REST APIs and GraphQL Testing frameworks such as Jest, Cypress, or Playwright Experience with Git, CI/CD, and cloud hosting (AWS/Azure) Knowledge of accessibility standards (WCAG) is a plus, given the education focus If you're More ❯

a plus if you also possess previous experience in: TDD/ATDD/BDD, DDD, Pair/Ensemble Programming Wildfly, Oracle SQL, AWS, Docker/Kubernetes, Kafka, Jenkins GWT, Jest, Vite, Cypress, Playwright, eslint, esbuild, webpack, web components More ❯

a plus if you also possess previous experience in: TDD/ATDD/BDD, DDD, Pair/Ensemble Programming Wildfly, Oracle SQL, AWS, Docker/Kubernetes, Kafka, Jenkins GWT, Jest, Vite, Cypress, Playwright, eslint, esbuild, webpack, web components More ❯

MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub, Jira, AI-assisted dev tools (Copilot, ChatGPT) Testing: Pytest, Jest, Cypress (AI-assisted test generation encouraged) Why Join Us? AI-first development environment we embrace AI to accelerate build, test, and release cycles. Work on cutting-edge SaaS used by More ❯

MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub, Jira, AI-assisted dev tools (Copilot, ChatGPT) Testing: Pytest, Jest, Cypress (AI-assisted test generation encouraged) Why Join Us? AI-first development environment we embrace AI to accelerate build, test, and release cycles. Work on cutting-edge SaaS used by More ❯

and cross-browser compatibility are required May include database knowledge in MongoDB Experience with modern web/UI development tools and techniques: Node, Webpack, Grunt/Gulp, GIT, Axios, Jest Client-side templating: mustache.js, handlebars.js, panni.js, and dust.js Proficiency using standard desktop applications such as MS Suite and flowcharting tools such as Visio Proficiency using debugging tools such as; Advanced More ❯

Actions), Observability (AWS, Grafana). Development tools: GitHub, Jira, Notion, ChatGPT, Gemini, LangChain, AI-native IDE's (Cursor, JetBrains), LLM-powered internal tools. Test automation: Cypress (E2E), Postman (API), Jest (frontend unit), PHPUnit (backend unit), JUnit (Android), XCTest (iOS). WHAT WE OFFER YOU A front-row seat in a fast scaling, early stage startup. Working on cutting edge problems More ❯

diverse group of people with different areas of expertise. You are comfortably organized amongst chaos. Be familiar with our tech stack: TypeScript, React, styled-component Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytes AWS, GCP Kubernetes, Docker, Terraform, GitHub, CircleCI Next.js (Preferred) AR/VR (Preferred) Embrace differences and know that when we can be ourselves at work More ❯

organize and prioritize competing workloads in a fast-paced environment. Proficiency in using CI/CD pipelines (e.g., GitHub Actions, Circle CI) and maintaining automated tests with tools like Jest or Mocha. Proactive approach with a high sense of ownership. Great communication skills in English, especially when explaining complex technical concepts. What's in it for you? Join an ambitious More ❯

organize and prioritize competing workloads in a fast-paced environment. Proficiency in using CI/CD pipelines (e.g., GitHub Actions, Circle CI) and maintaining automated tests with tools like Jest or Mocha. Proactive approach with a high sense of ownership. Great communication skills in English, especially when explaining complex technical concepts. What's in it for you? Join an ambitious More ❯

or enterprise SaaS applications Understanding of micro frontends or component-based architectures Comfortable navigating CI/CD pipelines and version control (e.g., GitHub Actions) Experience with automated testing frameworks (Jest, Cypress, Playwright) is a bonus Must be eligible for Security Clearance. The cultural values we ask from you are: Be self-driven and proactive; takes initiative and "owns it" Have More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

internal/external APIs and services. Owning features from initial planning through to deployment, ensuring they deliver real value. Writing reliable, well-tested code, using tools such as pytest, Jest with React Testing Library, Storybook, and Cypress for end-to-end coverage. Monitoring performance and stability through observability tools, keeping our platform running smoothly. Champion knowledge-sharing by crafting documentation More ❯

internal/external APIs and services. Owning features from initial planning through to deployment, ensuring they deliver real value. Writing reliable, well-tested code, using tools such as pytest, Jest with React Testing Library, Storybook, and Cypress for end-to-end coverage. Monitoring performance and stability through observability tools, keeping our platform running smoothly. Champion knowledge-sharing by crafting documentation More ❯

technologies such as Tomcat, Nodejs, Web Services, or SSL. 8. (Mandatory) Demonstrated hands-on experience developing JUnit and Jasmine tests. 9. (Mandatory) Demonstrated experience with testing platforms such as Jest or Karma. 10. (Mandatory) Demonstrated hands-on experience working with DevOps tools such as Git, Jenkins, or Nexus 11. (Desired) Demonstrated recent experience with the Sponsor's Lean Agile methodology. More ❯

deployment (e.g., GitHub Actions, CodePipeline). Ensure security, scalability, and performance best practices in all cloud-based solutions. Implement unit tests, integration tests, and end-to-end testing using Jest, Mocha, or other frameworks. Monitor, troubleshoot, and optimize existing systems for performance and cost-efficiency. Participate in agile ceremonies and contribute to architecture/design discussions. 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 ❯

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 ❯

contributing to wider engineering and business initiatives that help us further scale our products as we continue to grow. Our tech stack Mobile Typescript, React Native, Expo, GraphQL, Relay, Jest, React Testing Library, Maestro Web Typescript, React, NextJS, Redux Toolkit, SCSS Modules, React Testing Library, Cypress, Turborepo Backend/Infrastructure PHP 8 (Symfony), Kotlin, MySQL, RabbitMQ, AWS, Docker, Kubernetes Tooling More ❯

automation, CI & deployment tooling such as Git & Actions 2-4 years experience with frameworks and languages: React, Typescript, State Management (Zustand/Redux) You are already Unit Testing with Jest or React-Testing-LIbrary You are aware of the impact of performance & accessibility and understand techniques for improving load and render times. You will have as much passion in HOW More ❯