51 to 55 of 55 Jest Jobs in London

e.g. Selenium, Cypress, Playwright) Integrating RESTful APIs in frontend Applications Building and maintaining CICD pipelines Applied familiarity with industry tools, NodeJS, Git/GitHub, Jest/React testing Library. Key Requirements Essential Skills: JavaScript/TypeScript, React JS, Node JS Jest Unit Testing & automated Functional Testing (e.g. Playwright, Cypress) Experience ...

teams Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure environments Essential Skills & Experience Strong commercial experience with React Proven expertise … Advanced TypeScript development experience Senior-level frontend engineering experience Experience working within large-scale frontend applications Strong testing background using tools such as Playwright , Jest , and Vitest Ability to work independently while collaborating effectively within agile squads Experience troubleshooting and resolving production issues Excellent communication and stakeholder management skills Desirable ...

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 … contract testing experience, with a point of view on test data and environment strategy. Our tech stackMobile: 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. ...

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 ...

HCLTech is seeking a UI Developer with expert React, TypeScript and low-latency focus to build time-critical, high-availability web applications. You will contribute across the full UI development lifecycle, from design through testing ...