Senior UI Engineer

Senior UI Engineer Belfast (Hybrid) At a Glance Strong proficiency in React, Type Script, HTML, CSS, and SASS Proven experience building accessible, responsive, mobile-first web interfaces

Experience with reusable component libraries and design systems Comfortable working from Figma or Adobe XD designs through to production-ready UI A detail-oriented engineer with a passion for polished, performant user experiences Who You'll Work For Our client is a modern, cloud-native digital consultancy delivering exceptional engineering, composable commerce solutions, and data-driven digital experiences. With a highly experienced team of around 50 people, they operate on a remote-first basis and are scaling y take a considered approach to hiring, prioritising people who bring something new to the team, not just technical skills.

What You'll Be Doing As a Senior UI Engineer, you will design and build high-quality, performant, and cohesive user interfaces across a range of client projects and internal products. Collaborating closely with back-end engineers, UX designers, and visual designers, your day-to-day will include:
Determining the structure, layout, and behaviour of modern web interfaces Implementing responsive, accessible, mobile-first user interfaces using HTML, CSS, SASS, and modern JavaScript/Type Script Building robust and maintainable React and applications, including SSR and statically-generated pages Developing features that enhance user experience while balancing functional and aesthetic considerations Ensuring consistent application of brand and design guidelines across digital products Optimising web pages for speed, scalability, and smooth user interactions Writing clean, readable, reusable, and testable front-end code, including front-end test suites using tools such as Jest Debugging, diagnosing, and resolving functional, visual, and performance issues Working closely with UX and product designers to translate design concepts into production-ready UI using Figma or Adobe XD Building UI layers on top of REST and Graph

QL APIs in close collaboration with back-end teams Communicating design and implementation decisions clearly to both technical and non-technical stakeholders Your Impact You will be a key contributor to the quality and consistency of digital experiences delivered to clients across a range of complex, modern projects. Your eye for detail and commitment to accessibility and performance will raise the bar for front-end standards across the team.

As a senior voice, you will also help mentor and elevate the engineers around you, contributing to a culture of craft and continuous improvement. What We're Looking For Essential Degree in Computer Science or a related field, or equivalent industry experience Strong proficiency in core web technologies: HTML, CSS, JavaScript (ES6), and Type Script Experience building production-grade React and applications, including routing, data fetching (App Router / Pages Router), and SSR pages and components Strong understanding of UI/UX design principles and how user experience influences implementation Strong understanding of responsive, adaptive, and mobile-first design Experience building and maintaining reusable component libraries with an emphasis on scalability, accessibility, and clean semantic code Experience working with design tools such as Figma or Adobe XD Understanding of SEO principles relevant to front-end engineering Strong analytical and problem-solving skills Excellent communication and interpersonal skills

Desirable Experience with bundling and build tools such as Webpack and Babel Familiarity with accessibility (a11y) standards and best practices Experience working within cross-functional product teams Knowledge of performance profiling tools and approaches Experience contributing to design systems or reusable component libraries What's In It For You Competitive salary based on experience Share options under an HMRC-approved EMI scheme Remote-first working with access to co-working spaces 25 days annual leave plus bank holidays Pension matched up to 8% of qualifying amount Bupa Private Healthcare and Health Assessments Specsavers Corporate Eye Care Cycle to Work Scheme Training and professional development budget High-spec equipment and home-office budget A supportive, innovative, and inclusive team culture If you're interested or have any further questions on the role, please feel free to reach out to Eve Geddis directly on Linked In.

Skills:

React Nextjs Typescript Benefits:
Medical Aid / Health Care Pension Fund