201 to 225 of 315 Jest Jobs in England

for someone who: Is passionate about creating exceptional user interfaces, Has proven professional experience in UI development, Is proficient in TypeScript and React, Has experience with testing frameworks (e.g., Jest, React Testing Library), Understands and applies UX principles to create user-friendly interfaces, Is comfortable working with design tools like Figma or Sketch, Has a strong understanding of HTML5, CSS3 More ❯

designers on UI/UX Testing and deploying releases Developing skills to meet project needs Useful experience Node.js React/React Native Typescript Serverless/Lambda Version control - Git Jest HTML/CSS/JS/SASS AI/ML EDI Manufacturing software (ERP) While the above skills are preferred, we welcome applicants with the right attitude and willingness to More ❯

CSS3, SAAS/LESS Experience using Angular grid libraries (ag-Grid) Experience with Reactive programming paradigms (RxJS and NgRx) Experience with writing unit tests for Angular/Typescript using JEST Experience with application deployments utilizing ES modules, Webpack, and Nx Experience with build pipelines (TeamCity, Jenkins, etc.) and cloud native build/hosting pipelines (OpenShift, Harness, Tekton) Experience with consuming More ❯

Visual Studio Code. Must have knowledge of Redux, Redux Saga, and Hooks. Understanding of REST APIs, offline storage, and document request models. Experience with automated testing suites such as Jest and React Testing Library. Backend API development experience in .NET Core. #J-18808-Ljbffr More ❯

iterative delivery is key. Tech Stack Snapshot: HTML5, CSS/SCSS, Tailwind JavaScript (ES6+), React, Next.js Frontend tooling – Webpack, Gulp, linters Headless CMS experience (ContentStack or similar) UI Testing – Jest or related frameworks Version control, CI/CD exposure Strong appreciation for accessibility and cross-browser compatibility You’ll Thrive With Our Client If You... Are experienced in frontend development More ❯

re Looking For Frontend Expertise: Strong skills in HTML, CSS, TypeScript, React JS, and familiarity with libraries like react-query and Material-UI. Testing Know-How: Experience with Playwright, Jest, and React Testing Library. UX-Focused: A sharp eye for design and a passion for creating seamless user experiences. Team Player: Excellent communication and collaboration skills-essential for thriving in More ❯

tags and triggers Experience with Handlebars templating system, Razor/Cshtml templates Experience using Umbraco CMS, Experience with component libraries or design systems. Basic front-end testing knowledge (e.g., Jest, React Testing Library). Experience with headless integrations. Experience consuming REST APIs. Experience with AI-assisted development tooling. Experience with a modern JavaScript framework PLEASENOTE: - We may need the front More ❯

deployment automation Preferred Qualifications Experience with server-side rendering and advanced frontend optimization techniques Knowledge of state management patterns and libraries (Redux, MobX, Zustand) Familiarity with frontend testing libraries (Jest, React Testing Library, Cypress) Experience with GraphQL and related tooling Understanding of streaming technologies and real-time communication protocols Experience with monorepo management and module federation Who You Are You More ❯

around 2 weeks. Technical Requirements Frontend: Vue JS 3, ReactJS, TypeScript Framework: Symfony, Doctrine ORM API: RESTful API, OpenAPI 3.1, Redocly Package Management: Composer, NPM, Yarn Testing: PHPUnit, Vitest, Jest, Cypress, Testing Library Build: Vite, Rollup Version Control: Git JS: ES6/7 Infrastructure: Docker, Terraform, GitHub, AWS, Datadog, Jenkins (moving away). Database: MySQL, Redis, OpenSearch Working at Rebilly More ❯

continuous improvement. Nice to haves: Familiarity with Tailwind CSS, and at least one popular React UI library, such as Material UI or NextUI. Experience with testing frameworks, such as Jest, PyTest, Cypress, or React Testing Library. Core Skills: Typescript, Python, Next, React, DjangoOther Skills: JavaScript, Tailwind CSS, AWS, PostgreSQLSeniority: Senior #J-18808-Ljbffr More ❯

or other state management Moderate C#/.NET Core Moderate Entity Framework Good knowledge of MSSQL It would be an advantage if you have experience in: Typescript, StyledComponents, Storybook, Jest, D3, NPM Webpack Website Accessibility Python or AI project experience Azure DevOps, Azure Pipelines and Repos Unit Testing Microservices Scrum We offer a competitive salary and bonus scheme, including health More ❯

or other state management Moderate C#/.NET Core Moderate Entity Framework Good knowledge of MSSQL It would be an advantage if you have experience in: Typescript, StyledComponents, Storybook, Jest, D3, NPM Webpack Website Accessibility Python or AI project experience Azure DevOps, Azure Pipelines and Repos Unit Testing Microservices Scrum We offer a competitive salary and bonus scheme, including health More ❯

. Hands-on experience with version control tools such as Git. Familiarity with containerized environments (Docker) and serverless framework is a plus. Good knowledge of unit testing frameworks like Jest, Mocha, or similar. Familiarity with GraphQL. Experience working in Agile/Scrum development environments. Exposure to monitoring tools like CloudWatch, Sentry, or Datadog. Experience with logging and performance tuning. Compensation More ❯

web testing frameworks Experience with any of the following is an asset: JavaScript frameworks, such as ExtJS, Angular, or Vue.js Linux Selenium Unit testing with Mocha or Jasmine/Jest Enterprise application development What you can expect: At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for the energetic, the intelligent More ❯

deployment, as well as delivering iteratively towards an end goal Good programming skills in React/Node and TypeScript, and an exposure to test automation using tools such as Jest and Playwright Knowledge of Azure, or transferrable knowledge from similar Cloud platforms (e.g. services including Function Apps, App Services, Service Buses, and CosmosDB) Good collaboration skills, with the ability to 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 ❯

Our applications, managed by the separate Roadmap team, run on the following tech stack: Front-end: ES6, React, Redux, Gatsby Back-end: Node, Express, Lambda, Git, ElasticSearch, DynamoDB Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS Serverless Technologies, Terraform, Docker About You You should apply if: You have at least 6 months of professional experience with More ❯

Our applications, managed by the separate Roadmap team, run on the following tech stack: Front-end: ES6, React, Redux, Gatsby Back-end: Node, Express, Lambda, Git, ElasticSearch, DynamoDB Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS Serverless Technologies, Terraform, Docker About You You should apply if: You have at least 6 months of professional experience with More ❯

mobile development frameworks like React Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest Continuous Integration experience (Docker) A passion for coding and keeping up to date with new technologies frameworks and techniques Extensive experience in an Agile environment Exceptional communication skills to interact More ❯

Our applications, managed by the separate Roadmap team, run on the following tech stack: Front-end: ES6, React, Redux, Gatsby Back-end: Node, Express, Lambda, Git, ElasticSearch, DynamoDB Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS Serverless Technologies, Terraform, Docker About You You should apply if: You have at least 6 months of professional experience with More ❯

such as JSON Web Token, OAuth etc Familiarity with modern front-end build pipelines and tools Experience with popular front-end development tools such as Yarn, Webpack, Vitjs, StoryBook, Jest, Eslint, Prettier, Husky, etc. Ability to understand business requirements and translate them into technical requirements Experience with code versioning tools such as Git Experience with DevOps practices and Agile Practices More ❯

deployment of Circadia’s services and products (backend services, Android, iOS, React apps). Write clean, testable code with a commitment to maintaining high coding standards through comprehensive testing (Jest, PyTest, JUnit, etc.). Attributes: Need to Haves: C++ - Strong understanding of multithreading, asynchronous programming, network protocols. Advanced knowledge of Python and related frameworks (FastAPI, NumPy, Pandas, Pydantic) including multithreading More ❯

wider business. Tech stack We're pragmatic about our technology choices. These are some of the things we use now: TypeScript, React, styled-components Java & Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest AWS, GCP ECS Fargate, Docker, Terraform, GitHub Actions How we expect you to work We expect you to work in these ways, as well as More ❯

in frontend web development Expert knowledge of React, TypeScript, Next.js Deep understanding of modern frontend architecture (state management, component patterns, hooks, etc.) Experience with web testing frameworks (e.g. Vitest, Jest, React Testing Library, Playwright, Cypress) Experience with CSS-in-JS libraries (e.g. Vanilla Extract, Emotion, Styled Components) Familiarity with CI/CD processes and version control (e.g. Git) Experience contributing More ❯

AWS, MySQL, PostgreSQL, RabbitMQ, Docker, Kubernetes, React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins (we deploy to production as soon as we finish a feature), Behat, PHPUnit, Jest, Selenium, Maestro and Detox. How you'll have an impact Own and optimise the delivery process to ensure features reach customers efficiently, contributing directly to quarterly and yearly OKRs focused More ❯