Senior Frontend Engineer (UK)

Company: Pigment
Apply for the Senior Frontend Engineer (UK)
Location: London
Job Description:

Overview

In this role you will build high-quality, scalable frontends for Pigment’s AI-powered platform. You’ll create engaging UI experiences and data visualizations while collaborating with backend engineers and product managers. You’ll shape and maintain a design system, tackle real-time data challenges, and contribute to modern, high-performance web applications. This is a hands-on, cross-functional opportunity to impact planning and performance tooling at scale.

Responsibilities

  • Build and maintain client-facing UIs with a focus on performance and quality
  • Collaborate with backend engineers and product managers on feature design, API design, and data handling
  • Implement AI-driven capabilities to support complex workflows
  • Develop advanced data visualizations (charts, maps, dashboards) with real-time interactivity
  • Contribute to and maintain the internal design system, including caching and state management
  • Balance feature delivery with maintenance and performance optimization
  • Identify and resolve issues to ensure continuous delivery and robust frontend solutions
  • Engage in current projects around AI capabilities, data visualizations, design system evolution, and technology migration

Key requirements

  • Strong software engineering experience on production systems
  • Proven expertise in React and TypeScript
  • Experience shaping API design and optimizing data consumption with backend teams
  • Experience with design systems, performance optimization, and large datasets
  • Strong communication and problem-solving skills; proactive and growth-oriented
  • Fluent in English; French not required
  • Humility and willingness to grow across seniority levels
  • Strong communication
  • Problem-solving mindset
  • Proactive and collaborative
  • React (TypeScript)
  • API design and data handling
  • Performance optimization

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Posted: October 1st, 2026