UI Developer- Contract in London – Quant Capital

Company: Java Script Works
Apply for the UI Developer- Contract in London – Quant Capital
Location: London
Job Description:

The Role

I am hiring to grow the UI team to develop new features for our exciting frontend product built in React, as well as maintaining existing features.

UI Developers Must Have

  • Deep knowledge of JavaScript or TypeScript, HTML and CSS
  • Experience of backend systems such as node.js, GraphQL, and REST
  • Use of modern JavaScript frameworks

…and Apollo to interact with a microservice backend layer. The team’s mandate is to create an entirely new user experience and engineer prototype new technologies and approaches to help shape the evolving architecture.

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Posted: May 20th, 2026