Principal Front End Developer - Consultancy

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 33 week of 2026