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# Lead Front End Engineer

- **Company:** MCS Group
- **Location:** Belfast, UK
- **Experience:** Expert
- **Salary:** £90,000.0
- **Contract:** Permanent contract
- **Skills:** Regression Testing, Ui Patterns, TypeScript, ReactJS, Material UI, Front End Software Development
- **Published:** June 11, 2026
- **Apply:** https://www.careerjet.co.uk/jobad/gbae82440441e3d83add6def18d92b3b32

## About the Role

* 5+ years' experience in Front End Engineering
 * Strong commercial experience with React and TypeScript
 * Experience building and maintaining component libraries or design systems at scale
 * Deep understanding of modern front-end architecture and component-based development
 * Strong knowledge of accessibility standards and best practices
 * Ability to collaborate closely with designers and translate design intent into high-quality user experiences
 * Excellent communication and stakeholder management skills

## Description

MCS Group is partnering with an ambitious Belfast-based AI software company that is building enterprise-grade products used in highly secure and complex environments. Following significant growth, they've created a brand-new Lead Front End Engineer position. This is a unique opportunity for an experienced Front-End Developer to take ownership of the front-end experience across an entire suite of products, helping shape how users interact with cutting-edge AI technology.
This role sits at the intersection of engineering and design. You'll work closely with product, design and engineering teams to build and evolve a shared design system, ensuring consistency, accessibility and exceptional user experiences across multiple applications.
If you're passionate about React, TypeScript and creating polished, high-quality interfaces, this is a chance to have a visible impact across an entire product ecosystem.
What You'll Be Doing

 * Leading the development and evolution of a shared component library used across multiple products
 * Building accessible, production-ready React components with a strong focus on quality and consistency
 * Working closely with designers to translate Storybook specifications into scalable front-end solutions
 * Driving adoption of the design system across engineering teams
 * Owning visual consistency across applications, from individual components through to larger UI patterns
 * Implementing and maintaining design tokens, accessibility standards and visual regression testing
 * Mentoring engineers and championing front-end best practices across the business
 * Acting as the key bridge between design and engineering


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