Senior UI Engineer

I’m working with a fast-growing, remote-first digital consultancy to hire a Senior UI Engineer. You’ll design and build high-quality, performant, and accessible web interfaces across client projects and internal products. Working closely with UX designers, visual designers, and back-end engineers, you’ll ensure polished, cohesive user experiences.

This is a fantastic opportunity for someone who enjoys mentoring others, shaping front-end architecture, and taking ownership of complex UI challenges. I’ve placed 10 engineers into this company already, all with excellent feedback on culture, team collaboration, and career development.

Key Responsibilities

• Build responsive, mobile-first interfaces using HTML, CSS, SASS, JavaScript (ES6+) and TypeScript
• Develop and maintain production-grade React and Next.js applications, including SSR and reusable component libraries
• Ensure consistent design implementation and brand adherence
• Optimise performance, scalability, and accessibility of web pages
• Write clean, testable code and maintain front-end test suites (Jest)
• Translate UX designs into production-ready UI using tools such as Figma or Adobe XD
• Collaborate with back-end teams to integrate APIs (REST/GraphQL)
• Communicate technical decisions to both technical and non-technical stakeholders

What We’re Looking For

Essential:

• Degree in Computer Science or equivalent experience
• Strong proficiency in HTML, CSS, JavaScript (ES6+), TypeScript, React, Next.js
• Experience building reusable component libraries and SSR applications
• Understanding of responsive, adaptive, and mobile-first design
• Familiarity with Figma or Adobe XD
• Strong problem-solving and communication skills

Desirable:

• Experience with Webpack, Babel, accessibility standards, design systems, and SEO for front-end
• Experience working in cross-functional product teams

Benefits

• Competitive salary based on experience
• Share options under HMRC-approved EMI scheme
• Pension matched up to 8%
• Bupa Private Healthcare & Health Assessments
• Specsavers Corporate Eye Care
• 25 days annual leave + bank holidays
• Cycle to Work Scheme
• Training and professional development budget
• High-spec equipment and home-office budget
• Remote-first culture with optional Belfast/London co-working spaces

*You must be based in Northern Ireland*