UX/UI Designer (12 Month FTC) - #2181459

ARC Regulatory combines specialist IVD/CDx clinical research expertise with laboratory services and software solutions to support Sponsors across the clinical trial lifecycle and accelerate global precision medicine studies.

Through its Dx CRO and Sponsor Delegation services, ARC supports the planning, delivery and oversight of global CDx clinical trials, acting as an extension of the Sponsor team and providing clear ownership and accountability across delegated activities.

ARC Laboratories, based in Belfast, Northern Ireland, provides in-house assay and clinical trial sample testing capabilities across IHC, qPCR, ELISA and NGS-based testing. The laboratory is UKAS ISO 15189 and CAP accredited, providing high-quality biomarker testing for precision medicine clinical trials.

ARC’s Health Institution status, under the IVDR Article 5(5), provides a practical route for early-phase clinical trial sample testing in the EU and UK, helping reduce regulatory burden and enable faster sample testing for eligible studies.

ARC also combines its regulatory expertise with technology through ARC360 powered by AURA AI. ARC360 is a regulatory intelligence and submission collaboration platform scoped specifically for CDx clinical trials, bringing national regulatory requirements, submission workflows, document generation and project reporting into one place. AURA AI capabilities combine the speed of AI with human expertise to support structured, traceable and auditable regulatory outputs.

By connecting clinical research, laboratory and technology expertise, ARC helps Sponsors reduce complexity, manage risk and maintain control across their global precision medicine clinical trials.

Job Purpose

To design and deliver intuitive, engaging and user-centred digital experiences across ARC Regulatory’s growing portfolio of technology products.

Reporting to the Software Engineering Manager and working as part of the Product team, the UI/UX Engineer will combine user research, interface design and hands-on frontend development to take ideas from discovery through to working software.

Working closely with Product Managers, Software Engineers, AI Engineers and Test Engineers, the successful candidate will simplify complex scientific and regulatory workflows, ensuring our web applications, AI-enabled solutions and customer-facing platforms are accessible, user-friendly and aligned with customer and business needs.

Key Responsibilities

• Lead the end-to-end UI/UX design process, from discovery and user research through to wireframes, interactive prototypes, interface design and implementation.
• Create user personas, journey maps, information architecture and user flows to support product development.
• Translate complex scientific, regulatory and operational workflows into clear, intuitive digital experiences.
• Work with the Senior Product Manager and Product Owner to turn product requirements into practical, visually engaging solutions.
• Conduct user research and usability testing, using customer feedback and behavioural data to improve designs.
• Develop responsive, production-ready interfaces using modern frontend technologies, maintaining close alignment with approved designs.
• Collaborate with Software Engineers to integrate frontend components with backend systems and APIs.
• Build reusable UI components and maintain ARC’s design system, component library and frontend standards.
• Optimise interfaces for accessibility, performance, responsiveness and cross-browser compatibility, following maintainable and secure coding practices.
• Produce functional prototypes and proof-of-concepts to validate ideas before development.
• Design intuitive experiences for AI-powered features, intelligent automation and decision-support tools.
• Participate in sprint planning, backlog refinement and design reviews, balancing user needs, regulatory requirements and technical constraints.
• Troubleshoot frontend issues and work with engineering and testing colleagues to improve software quality and usability.
• Present concepts and solutions to stakeholders, incorporate feedback and champion user-centred design across the organisation.
• Explore emerging design, development and AI-assisted tools to support continuous improvement.
  
  

Essential Skills & Experience

We are looking for a UI/UX Engineer who combines strong design skills with practical frontend development experience and can take a product from an initial user need through to a working interface.

• A BSc in Computer Science or a related subject.
• A minimum of three years’ experience in a UI/UX engineering role within a software development organisation.
• Experience designing and developing modern web applications in a commercial environment.
• A strong portfolio demonstrating both UI/UX design and frontend engineering capabilities.
• Advanced proficiency in wireframing, prototyping and high-fidelity interface design.
• Strong experience with HTML5, CSS, jQuery and JavaScript.
• Experience using modern frontend frameworks such as React, Angular or Vue.js.
• Experience working with REST APIs and integrating frontend applications with backend services.
• A basic understanding of .NET architecture and APIs.
• Knowledge of accessibility standards, including WCAG, and usability best practice.
• Experience working within Agile software development teams and a strong understanding of Git version control.
• Excellent communication, presentation and interpersonal skills, with the ability to explain ideas and work collaboratively.
• Strong analytical, problem-solving and decision-making skills.
• Well-developed organisational and time management skills, with the ability to take ownership and work independently.
• The right to work in the UK and the ability to commute daily to Belfast for this on-site role.
  
  

Desirable Skills

• A postgraduate degree in Computer Science or a related subject.
• Experience with Azure cloud-hosted applications.
• Experience using Azure DevOps or GitHub.
• Experience working within medical devices, healthcare, life sciences, pharmaceuticals or another regulated industry.
• Experience designing AI-powered or data-driven applications.
• Familiarity with continuous integration and continuous delivery (CI/CD) processes.
  
  

Why Join ARC Regulatory?

At ARC, technology sits alongside specialist clinical, regulatory and laboratory expertise. Your work will help make complex information and workflows easier to understand and use, supporting global precision medicine clinical trials.

You will have the opportunity to shape both the design and implementation of our digital products, working with product, engineering and AI colleagues to bring ideas to life.

We offer:

• A competitive salary.
• 32 days of annual leave, increasing with service to a maximum of 35 days.
• Employer pension contributions.
• An employee benefits programme, including private medical cover after probation.
• A Belfast location within a growing organisation supporting precision medicine research.
  
  

“We are an equal opportunity employer; applications are welcome from all and appointment will be made on the basis of merit.”