9 of 9 Permanent Usability Testing Jobs in the City of London

Culture: A vibrant, collaborative, curious team. Clients you’ll know: Global household names. Responsibilities: Lead user-centred design from discovery to delivery. Work directly with customers, run user research & usability tests, and analyse data for insights. Craft wireframes, prototypes, and pixel-perfect UI for our complex B2B products. Collaborate with product managers & engineers to bring your vision to life. More ❯

You’ll Do Design intuitive, elegant interfaces for a complex AI workflow platform Create wireframes, prototypes, and high-fidelity mockups in tools such as Figma Conduct user research and usability testing to guide product decisions Develop a cohesive visual and interaction design system across web and mobile Collaborate closely with engineering and product teams in an agile setup More ❯

and translate them into user-friendly designs and experiences. You will create wireframes, prototypes, and high-fidelity visuals for web and mobile applications. You will conduct user research and usability testing to validate design decisions and inform the product roadmap. You will create, maintain, and evolve design systems and component libraries. Candidates must present a strong portfolio showcasing More ❯

and deliverables. Develop wireframes, user journeys, interaction models, prototypes, and final visual designs. Establish and evolve design systems that scale across agentic workflows and SaaS modules. Conduct user research, usability testing, and rapid iteration to validate design decisions. Advocate for the user experience while balancing technical and business needs. Mentor junior designers and contribute to building a world More ❯

and business goals into simple, elegant, and effective design solutions. Ensure all designs are mobile-first, accessible, and aligned with Liberty’s brand guidelines and visual identity. Participate in usability testing and customer research, helping to plan sessions, observe user behaviour, and apply insights to improve designs. Assist in designing and planning user tests, including A/B … tests and usability studies, to evaluate design solutions and inform improvements. Work independently on defined project phases, consistently delivering user-centred solutions with reliability and focus. Contribute to the documentation of design decisions, design patterns, and guidelines to support team knowledge sharing. Stay curious about design trends, tools, and emerging best practices, bringing new ideas and inspiration to the More ❯

digital assets. The company provides regulated financial infrastructure for institutional clients and is entering a major scaling phase. We are recruiting a Senior Product Designer to level up clarity, usability and end-to-end experience across a mission-critical platform. 🔍 The product combines complex financial workflows, rich data and institutional use cases. You’ll work closely with Product, Engineering … and simple, elegant interfaces. 👋 As the Senior Product Designer, you’ll take ownership of end-to-end design from research and journey mapping through to high-fidelity work, prototyping, usability testing and iteration. You’ll evolve the design system and create explanatory artefacts that help customers and internal teams understand complex financial flows. 🙌 We're looking for proven More ❯

to make complex workflows approachable and engaging. Elevate design quality through strong principles and continuous process improvement. Collaborate closely with product, engineering, commercial, and client teams. Conduct research and usability testing, iterating designs based on user feedback and data. Deliver clear wireframes, polished UI, and production-ready specs. Build and maintain a scalable design system across devices and More ❯

capability, and making sure insight feeds strategy, not just validation. What you'll be doing Leading end-to-end research across Discovery, Alpha, Beta, and Live phases Running interviews, usability tests, contextual research, and surveys, choosing the right method for the job, not the handbook Keeping feedback loops alive - connecting regularly with users to understand real-world needs, not More ❯

design across app, web, and beyond Design system creation, management & governance Iconography, typography, and animation Desk research & UX analysis, information architecture Lo-fi and hi-fi prototyping Moderated & unmoderated usability testing Client-facing skills, including presentation, workshop facilitation, and stakeholder management. This is a full-time, hybrid role, requiring 3 days per week in the London office, with More ❯