Frontend JavaScript Developer – TypeScript- Guildford

Company: Quant Capital
Apply for the Frontend JavaScript Developer – TypeScript- Guildford
Location: London
Job Description:

Overview

In this role you will reshape the frontend stack for a fintech software house serving major banks, driving a UX-first approach and modern UI components. You will work closely with cross-functional teams to modernize the UI, improve testability, and extend enterprise-grade solutions. You’ll tackle architecture upgrades, prototype new components, and contribute to secure and scalable frontend solutions. This is a hands-on, tech-focused environment that rewards thoughtful, high-quality code and rapid problem solving.

Pay / Benefits

  • Home working for part of the week

Responsibilities

  • Rearchitect the UI framework to improve testability and reduce library coupling
  • Upgrade the UI rendering library from AngularJS to a long-term solution
  • Collaborate with UX to implement a UX-first design approach
  • Support feature-focused scrum teams with complex requirements
  • Research and apply best practices, including application security
  • Coordinate with other development teams to identify and implement use cases
  • Build prototypes and convert them into enterprise-grade components
  • Assist in debugging and troubleshooting across the frontend stack
  • Contribute to initiatives like NLP text processing, OCR metrics, and data reconciliation workflows
  • Engage with RESTful APIs and scalable cloud-style architectures (containers, microservices) to extend applications

Key requirements

  • STEM degree preferred (strong academic background)
  • Strong understanding of JavaScript; TypeScript knowledge preferable
  • Proficiency with web technologies (HTML, CSS, JavaScript, XML)
  • Experience with web component design
  • Exposure to AngularJS and frontend modernization context
  • Ability to work in a collaborative, cross-functional environment
  • problem-solving mindset
  • self-motivation
  • cross-functional collaboration
  • JavaScript
  • TypeScript
  • HTML/CSS/XML

Posted: September 14th, 2026