Principal Front End Developer - Consultancy

Summary

Principal Front End Developer at a global tech consultancy, leading React-based web app development for financial services clients in a hybrid London role (3 days/week on-site).

Salary: £100,000 - 100,000 per year

Requirements:
  • Experience within a financial services or Fintech environment
  • Strong React, JavaScript / TypeScript experience
  • Experience with modern CSS techniques (Flexbox, Grid) and frameworks like SASS, Material UI, and Bootstrap
  • Experience with Redux, Webpack, and modern testing frameworks like Jest, Mocha, or Enzyme
  • Thorough understanding of the software development lifecycle
  • Familiarity with DevOps, CI/CD pipelines, and Containerisation (Docker / Kubernetes)
  • Collaborative mindset with a strong focus on problem-solving and client interaction
Responsibilities:
  • Lead the development of scalable and secure web applications for global financial clients
  • Architect responsive, accessible, and elegant user interfaces
  • Work closely with cross-functional teams to deliver transformative digital experiences
  • Mentor junior team members and provide technical leadership
  • Influence front end strategy and drive best practices
  • Join a collaborative team focused on engineering excellence and continuous improvement
Technologies:
  • Architect
  • Bootstrap
  • CI/CD
  • CSS
  • DevOps
  • Docker
  • JavaScript
  • Jest
  • Kubernetes
  • Material UI
  • Mocha
  • React
  • Redux
  • SASS
  • TypeScript
  • Webpack
  • Web
  • UX UI Design
  • Frontend

More:

We are a global technology consultancy seeking a Principal Front End Developer/Engineer with a focus on React. We offer a competitive salary of up to £120k, along with benefits including pension, life assurance, income protection, private medical care for you and your family, travel insurance, charitable giving initiatives, gym membership, and a flexible holiday scheme. Our hybrid work-from-home policy requires three days a week in our London City office or client sites. Youll be part of a friendly, diverse, and upbeat team committed to engineering best practices.

last updated 34 week of 2026

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