6 of 6 Jest Jobs in Central London

libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding ...

understanding of state management, component architecture, and performance optimisation techniques. Experience integrating with RESTful APIs and/or GraphQL. Experience implementing testing strategies (e.g., Jest, React Testing Library, Cypress or similar). Familiarity with CI/CD pipelines and modern development workflows. Excellent English communication skills. Strong collaboration skills ...

/TypeScript ecosystem Express.js and/or Fastify RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines and DevOps best practices GitHub workflows Observability and monitoring tools (e.g., Datadog) Docker and Kubernetes Tech Stack ...

applications. Knowledgeable in performance optimisation techniques to improve load speeds and search engine rankings. Experienced in writing unit and integration tests using tools like Jest and React Testing Library to ensure robust functionality. Desirable Skills Understanding of modern frontend tools and workflows. Knowledge of state management libraries such as Redux ...

skills React, TypeScript, Redux/Redux Toolkit; Next.js (nice-to-have). Accessibility-first (WCAG 2.x), semantic HTML, ARIA, design tokens. Strong testing habits: Jest, React Testing Library, Cypress/Playwright. UI quality: performance profiling, code-splitting, hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested SPA components ...

uilding systems for creating, signing, broadcasting, and tracking transactions. Requirements: Excellent knowledge of Node.js Excellent knowledge of TypeScript Ability to write unit-tests (Jest) Experience in relational databases (TypeORM) Benefits: Annual salary indecation Flexible working hours Payment of vacation and sick leave If you're interested, please hit the apply ...