Remote | Senior UX/UI Product Designer — \$145–\$195/hour

About the position We are sharing a specialised part-time consulting opportunity for UK-based UX/UI product designers with experience delivering complex digital products and collaborating closely with web engineering teams. This role supports a research initiative focused on creating, reviewing, and evaluating high-quality digital product design scenarios. Selected professionals will apply practical experience across user journeys, interface systems, responsive web design, technical constraints, and design-to-engineering handoff for functional web products. Responsibilities • Create and evaluate UX/UI scenarios for complex web-based products • Design user journeys, product flows, wireframes, interfaces, and interactive experiences • Assess whether proposed solutions support usability, clarity, accessibility, and commercial objectives • Apply practical judgment across discovery, concept development, prototyping, validation, and delivery • Review experiences involving e-commerce, marketplaces, booking systems, onboarding, checkout, and account management • Evaluate logged-in customer portals, self-service platforms, dashboards, and internal operational tools • Identify gaps in navigation, information architecture, interaction design, and task completion • Compare alternative design approaches and explain which solution performs more effectively • Evaluate component-based design systems, reusable patterns, and interface consistency • Review typography, spacing, hierarchy, responsive behaviour, states, and visual polish • Assess whether components scale effectively across screens, products, and user scenarios • Identify inconsistencies that may affect usability, implementation, or product quality • Translate design intent into clear specifications and implementation-ready documentation • Evaluate front-end constraints, responsive layouts, component behaviour, and web implementation trade-offs • Collaborate effectively with product managers, engineers, researchers, and data teams • Provide clear written feedback grounded in both design quality and technical feasibility Requirements • Significant professional experience in UX/UI or digital product design • Experience delivering end-to-end functional web products rather than brand-only or marketing-site work • A strong portfolio demonstrating complex user flows, interface systems, and product outcomes • Experience designing e-commerce platforms, marketplaces, portals, booking systems, onboarding journeys, or operational dashboards • Strong understanding of responsive design, front-end constraints, and component-based development • Experience working closely with product managers and engineering teams • Excellent written communication and the ability to justify design decisions clearly • Current residence in the United Kingdom with the right to work in the UK • A strong professional portfolio is required Nice-to-haves • Experience at a recognised digital product studio, UX consultancy, technology company, or product engineering agency • Background in e-commerce, marketplaces, SaaS, fintech, travel, retail, or customer-service platforms • Experience designing internal tools, admin panels, or operations dashboards • Strong knowledge of design systems and reusable component libraries • Familiarity with HTML, CSS, JavaScript, or modern front-end frameworks • Experience working with analytics, experimentation, usability testing, or product performance data • Previous involvement in structured design evaluation, research programmes, or AI-assisted product workflows Benefits • Flexible remote work • Highly competitive hourly compensation • Independent contractor role • Fully remote with flexible scheduling • Weekly payments via Stripe or Wise • Projects may be extended, shortened, or adjusted depending on scope and performance