76 to 100 of 167 Jest Jobs in the UK

and monitoring applications with Lambda, S3, DynamoDB, CloudFormation, and CodePipeline NoSQL and relational data modelling Automated unit and acceptance testing (ideally React Testing Library, Jest, Cypress) Implement and support CI/CD pipelines (e.g. CodePipeline, CircleCI, BitBucket. If you thrive in a technical leadership role, excel in designing and building More ❯

Handling: RESTful APIs, state management (Redux, Zustand, Recoil), offline storage, real-time data (WebSockets, Firebase, SignalR). Testing & Quality Assurance: Unit and integration testing (Jest, React Testing Library), UI testing (Detox/Appium), automated testing pipelines. Deployment & DevOps: CI/CD pipelines, App Store & Google Play deployment, OTA updates, crash More ❯

cloud environments (AWS, Azure, GCP) and related technologies (Kubernetes, Docker, serverless). Experience with unit, integration, and end-to-end testing tools and practices (Jest, Cypress, Backstop, Playwright, etc.). More ❯

of modern CSS design frameworks Version control with Git Desirable Experience Experience with GraphQL for flexible data querying Familiarity with frontend testing frameworks like Jest or React Testing Library Basic understanding of Docker and containerized development Linux environment experience Domain knowledge in ERP systems, order processing, or inventory management More ❯

TypeScript (3+) CSS3 HTML5 Desirable Skills: VueJS 2 (not Vue 3) JSX/TSX SASS/SCSS React (Hooks) Playwright (end-to-end testing) Jest (unit testing) LitJS (Web Components) Storybook Why Join Us? Work on cutting-edge projects with a talented and passionate team. Opportunity to grow and learn More ❯

Django REST framework, pandas) Docker, Postgresql, Airflow, Redis, Kafka CircleCI & Terraform AWS services (RDS, Elasticache, EC2, ECS, Fargate, Lambda, Batch, etc.) JIRA, Sentry, Mixpanel Jest, react-testing-library, Cypress Leadership/mentoring Mobile-first and PWA Problem-solving Senior Front End Engineer rewards: A base salary of circa More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

package manager tools such as npm and yarn An understanding of and Web Services and API integration (REST) Familiarity with testing frameworks such as Jest or Mocha and headless automation tools such as Puppeteer, Playwright etc Ability to test on a variety of devices using tools such as BrowserStack An More ❯

AA accessibility compliance . Hands-on experience with Azure DevOps CI/CD pipelines and micro frontend architecture . Competence in modern testing frameworks: Jest, React Testing Library, Enzyme . Experience working within Agile development teams . Desirable: Involvement in architectural decisions (e.g. micro frontends, performance scaling). Comfortable leading More ❯

AA accessibility compliance . Hands-on experience with Azure DevOps CI/CD pipelines and micro frontend architecture . Competence in modern testing frameworks: Jest, React Testing Library, Enzyme . Experience working within Agile development teams . Desirable: Involvement in architectural decisions (e.g. micro frontends, performance scaling). Comfortable leading More ❯

extensive AWS experience will still be considered) - Strong grasp of mobile app architecture, performance optimisation, and design patterns - Familiarity with REST APIs, React-Redux, Jest, and CI/CD pipelines - Understanding of Agile methodologies and version control (Git) - Excellent communication and teamwork skills - Experience working across disciplines to interpret technical More ❯

Ability to work independently and as a part of a team in a fast-paced environment Knowledge of testing frameworks and tools such as Jest and Playwright Preferred qualifications, capabilities and skills Proficiency in TypeScript Familiarity with frontend build tools, such as Vite Experience with performance optimisation techniques and tools More ❯