Frontend Javascript Developer

Company: Quant Capital
Apply for the Frontend Javascript Developer
Location: London
Job Description:

Overview

In this role you will build and evolve the frontend for a market-leading fintech product, collaborating with cross-functional teams to deliver features and maintain a cohesive UI. You contribute to a modern UI stack and help shape the architecture by prototyping new ideas and adopting best-in-class technologies. Expect a fast-paced, test-driven environment with continuous integration and opportunities to prototype and evangelize new approaches. You will join a relaxed, high-performance culture that values learning and impactful delivery.

Pay / Benefits

  • excellent salary and benefits package
  • ongoing training
  • structured career path
  • excellent working environment
  • relaxed open atmosphere

Responsibilities

  • Collaborate with product team to prototype and deliver UI features
  • Work with backend developers to implement new capabilities
  • Maintain visual consistency and design quality across the UI
  • Participate in agile ceremonies and drive small, incremental deliveries
  • Contribute to testing strategy with unit tests and CI
  • Prototype and evangelize new technologies to influence architecture

Key requirements

  • JavaScript or TypeScript proficiency
  • HTML and CSS fundamentals
  • Experience with React, Redux, Styled Components, Apollo GraphQL
  • Experience with backend systems such as Node.js, GraphQL, and REST
  • Familiarity with modern frontend tooling and testing (Webpack, Jest, Cypress, Prettier)
  • UX and visual design sensibility is a plus
  • Agile mindset and willingness to learn
  • Collaborative and proactive communication
  • Ability to work in fast-paced environment
  • JavaScript
  • TypeScript
  • HTML

…

Posted: September 14th, 2026