Senior Frontend Developer

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Overview

We are seeking a Senior Frontend Developer to join a leading investment banking project, focusing on the development of a next-generation single-page application for derivatives trading. This is a high-profile contract role where you will collaborate with top engineers to shape a cutting-edge web platform, contributing to the financial technology landscape. You will engage in a modern, agile development environment with flexible working arrangements, requiring only one day per week in the office.

Responsibilities

  • Collaborate with engineers to develop a single-page application for high-performance derivatives trading.
  • Build high-performance UIs that include real-time data updates using modern web technologies.
  • Contribute to front-end architecture focused on resilience, performance, and user experience.
  • Utilize functional programming paradigms and enhance workflows using LLMs and agent-mode AI tools.
  • Ensure high standards of UI/UX detail in product development.

Requirements

  • Strong commercial experience with TypeScript, ES6, HTML5, and advanced CSS.
  • Proven track record in delivering performance-critical SPAs in high-frequency environments.
  • Proficiency in functional and reactive programming, especially using immutable data structures.
  • Attention to detail in UI/UX design, with a focus on intuitive and stylish products.
  • Experience with collaborative development in high-performance teams.
  • Familiarity with LLMs and AI tools to optimize development processes.
  • Desirable: Experience with RxJS, Angular + NgRx, or React + Redux is a plus.
  • Desirable: Full-stack experience with a typed backend language such as Java, C#, or F#.
SkillsAgile, TypeScript, HTML, UX Design, Angular, React, Java, C#
LocationLondon
TypeHybrid
Rate
£800/day
SourceLinkedIn
RecruiterCipherTek Recruitment
Posted02/06/26