101 to 113 of 113 Jest Jobs in England

Fiber, WebGL, Deck.gl ) Real-time data flows: Comfortable working with real-time data and async patterns (Websockets, workers) Writing testable, reusable code: Vitest/Jest/Playwright, Storybook, design systems Data visualisation: Presenting complex data intuitively; geospatial experience is a plus. UX/UI (desirable): A strong sense of user ...

enjoy solving problems with your peers. Testing culture: You believe that code isn't complete until it's verified. Experience with testing frameworks (like Jest or Cypress ) is highly valued to ensure reliability. Performance focus: You understand that a slow app is a bad UX. You keep performance in mind ...

stage - Technical Interview 4th stage - Executive Leadership Interview Additional information Doxy.me tech stack Frontend: React, TypeScript, Playwright, WebRTC, Next.js, Nx.dev Backend: Nodejs, TypeScript, Jest, NestJS, Nx.dev Cloud: AWS 3rd party: Vonage, Pubnub, Segment, Twilio, Stripe Our product: Doxy.me: The simple, free, and secure telemedicine solution currently used by over ...

ensure high-quality frontend delivery across Confluent Cloud-like stacks. You’ll build data-driven web apps using React/TypeScript, test with Jest and Playwright, and participate in CI/CD workflows. The role emphasizes modern frontend tooling, performance, and collaboration across teams to ship reliable UI features ...

Framework, nHibernate) plus caching strategies; experience modeling compensation, payroll, and equity data is a strong plus. Strong testing discipline including TDD and BDD, xUnit, Jest or Mocha, CI/CD automation, and quality gates—especially for calculation engines requiring reconciliation and regression coverage. Experience building analytics and reporting with … Framework, nHibernate) plus caching strategies; experience modeling compensation, payroll, and equity data is a strong plus. Strong testing discipline including TDD and BDD, xUnit, Jest or Mocha, CI/CD automation, and quality gates—especially for calculation engines requiring reconciliation and regression coverage. Experience building analytics and reporting with ...

Library, Storybook Mobile: React Native, TypeScript, React Navigation, React Hook Form, Reanimated, Firebase, Braintree Backend: .NET API (OpenAPI/Swagger) Testing & CI/CD: Jest, React Testing Library, Azure DevOps, CodePush Environment/Platform: Azure Cloud, templated infrastructure Key Responsibilities Development and maintenance of several customer-facing products, including websites … consuming REST APIs (experience with a .NET backend a plus). Experience with state management using React Context and hooks. Strong automated testing habits — Jest, React Testing Library. Confident with Git and CI/CD pipelines (Azure DevOps ideal). Excellent communication skills and a collaborative mindset to ensure teams ...

designs and requirements into high-quality interfaces. Develop reusable components using modern UI component libraries. Write and maintain unit tests using tools such as Jest or Jasmine. Work within Agile development teams and contribute to sprint planning, refinement and delivery. Ensure applications meet WCAG accessibility standards. Use Git for version … TypeScript/JavaScript (ES6+). HTML5 and CSS3, including responsive design. REST API integration. State management experience, ideally Redux or NgRx. Unit testing with Jest, Jasmine or equivalent. Git. Strong understanding of WCAG and accessible web development. Experience with modern UI/component libraries. Experience working within Agile development teams. ...

Job title: Senior Software Developer Department: Technology Team: Software Reporting to: VP, Clinical & Academic Technologies People Manager? No Location: Hybrid (ideally based in our Bottisham office for 2-3 days per week) Contract: Permanent Working ...

only product ideas but also technology and data manipulation.TypeScript/React/Redux/Styled Components/Apollo GraphQL/Webpack/Jest/Cypress/PrettierWe are growing our UI team to develop new features for our exciting frontend product built in React, as well as maintaining existing features … passionate about.Follow me on Twitter for more roles and news @SebFintechTypeScript/React/Redux/Styled Components/Apollo GraphQL/Webpack/Jest/Cypress/Prettier ...

Define and evolve a pragmatic test pyramid for React Native - deciding where E2E is worth the weight and where logic belongs in faster layers (Jest, React Testing Library, component tests). Make deliberate calls about coverage, reliability, and speed trade-offs across the app. Set the bar for what "ready … testing experience, with a point of view on test data and environment strategy. OUR TECH STACK Mobile: TypeScript, React Native, Expo, EAS, GraphQL, Relay, Jest, React Testing Library, Maestro. Backend: Kotlin, PHP 8 (Symfony), AWS, Postgres, RabbitMQ, Docker, Kubernetes. Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, Grafana. ...

campaigns on a daily basis. Our Tech Stack includes TypeScript, Node.js, React/Vue/Svelte, Vite, esbuild, Babel, pnpm/npm, GitHub Actions, Jest/Vitest, Playwright/Cypress, NestJS/Express, REST/GraphQL (check details from Stack Share Profile ) Responsibilities: Develop scalable, maintainable web applications regardless … higher – must be comfortable with technical communication, documentation, and client interactions Nice To Have: Monorepo setups (Nx, Turborepo), Storybook, Playwright/Cypress, Vitest/Jest Performance monitoring (Lighthouse, Web Vitals) and logging/observability Security best practices (CSP, SRI, OWASP, dependency auditing) CDN, edge functions, SSR/SSG, ISR architectures ...

team can build on. Build and improve high-performance, low-latency interfaces that hold up under real, live market data. Write well-tested code (Jest, Cypress, or Playwright) and contribute to how the team reviews and documents its work. Split your time between shipping new features and keeping things healthy … professional frontend development experience, with excellent TypeScript, React, and Next.js. Experience with MUI or a similar component library. Solid testing practice with frameworks like Jest and Cypress or Playwright. Proficient with Git, Docker, and CI/CD workflows, and familiar with monorepo structures and tools (Turborepo, Yarn Workspaces, or similar ...

Putting the ‘i’ into British Innovation. Putting the ‘i’ into Inventing the Future. Putting the ‘i’ into Inspiring Change. myenergi is a growing global clean‐tech manufacturer dedicated to removing the barriers to a greener ...