3 of 3 Contract Vitest Jobs in London

Frontend Engineer

Hiring Organisation
Rullion Managed Services
Location
London, United Kingdom
Employment Type
Contract
experience with React and TypeScript . Experience using Apollo GraphQL . Experience with NextJS or Gatsby . Experience with unit testing , preferably Jest or Vitest . Strong software design, problem-solving, and debugging skills. Good communication and interpersonal skills. Familiarity with CI/CD pipelines and modern DevOps practices. Desirable ...

FrontEnd Engineer

Hiring Organisation
Rullion Managed Services
Location
London, United Kingdom
Employment Type
Contract
applications using React Strong experience with Next.js Hands-on experience using Apollo GraphQL Solid understanding of unit testing , ideally using Jest and/or Vitest Excellent software design, problem-solving, and debugging skills Strong communication and interpersonal skills, with the ability to work effectively in cross-functional teams Familiarity with ...

UI Developer - 13042

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Query . Incorporate Vercel AI SDK UI components to enhance chatbot functionality and user experience. Ensure code quality through unit and integration testing with Vitest and React Testing Library . Participate in code reviews and contribute to architectural decisions. Optimize performance and troubleshoot issues across various browsers and devices. What … component-based architecture and state management. Hands-on experience in Python service-side development and APIs (e.g., FastAPI ). Familiarity with testing frameworks ( Vitest , React Testing Library ) and pytest for Python. Experience with CI/CD tools and collaborative development workflows using Git/Bitbucket . Non-Technical Skills: Self ...