19 of 19 Permanent Usability Testing Jobs in Central London

clients and teams navigate complexity with confidence and clarity. What You’ll Be Doing: Lead user-centred design across Discovery, Alpha, Beta, and Live phases Plan and conduct research, usability testing, journey mapping, and service blueprinting Create wireframes, interaction flows, and high-fidelity prototypes Align UX with service goals through close collaboration with service designers, business analysts, and … technical leads Facilitate workshops and design reviews to support ideation and feedback Champion accessibility (WCAG 2.2) and usability best practices Maintain design intent throughout development by working closely with developers Contribute to or establish design systems and uphold consistent UX strategies across products Represent UX in agile ceremonies, client sessions, and governance discussions Support service assessments aligned with GDS … Experience designing services for vulnerable or underrepresented user groups Proficiency in tools such as Figma, Adobe CC, Miro, and prototyping platforms Knowledge of accessibility (WCAG 2.2), inclusive design, and usability testing Exposure to HTML/CSS to aid developer handoff (not for coding) Familiarity with design governance, agile methodologies, and multidisciplinary teams Eligibility for SC clearance (minimum More ❯

actionable insights, and provide clear recommendations for further optimisation. Champion a data-driven approach to all UX and CRO initiatives. User Experience (UX) Design & Research: Conduct user research (e.g., usability testing, user interviews, card sorting) to uncover user needs, pain points, and behaviours. Develop user personas, journey maps, and empathy maps to inform design decisions. Create wireframes, prototypes … and user flows that enhance usability and conversion. Collaborate with design and development teams to ensure UX best practices are integrated throughout the client's digital assets. Search Experience (SX) Focus: Develop and refine our agency's approach to Search Experience, understanding how search behaviour impacts user journeys and conversion. Identify opportunities to optimise on-site search, navigation, and … agency environment. Proven track record of delivering measurable improvements in conversion rates and user satisfaction. Strong understanding of CRO principles, methodologies, and best practices. Proficiency with A/B testing tools (e.g., Optimizely, VWO, Google Optimise). Expertise in web analytics platforms (e.g., Google Analytics 4, Adobe Analytics) with the ability to extract actionable insights. Experience with user research More ❯

Collaborate with cross-functional teams including Product and Engineering to shape user stories and refine requirements Support the implementation and application of standard UI frameworks Assist with user research, usability testing, and the analysis of user feedback Ensure accessibility principles are applied in line with WCAG standards Participate in team design reviews, workshops, and iterative feedback sessions Stay … and grow in a collaborative, cross-functional environment Clear communication skills and openness to feedback Curiosity to iterate based on user insight and technical feasibility Desirable Skills: Exposure to usability testing or user research activities Awareness of front-end development concepts (e.g. HTML/CSS, design handoff workflows) Familiarity with UI frameworks or design systems (e.g. Material Design More ❯

collaborating with multidisciplinary teams to deliver high-impact outcomes. What You’ll Do Lead UX design across all phases of service delivery, from research to implementation Conduct user research, usability testing, journey mapping, and service blueprinting Create wireframes, flows, and high-fidelity prototypes to support design decisions Collaborate with service designers, analysts, developers, and stakeholders Facilitate co-design … workshops, playback sessions, and internal critiques Ensure accessibility and usability best practices are embedded throughout Support GDS service assessments and advocate for user needs in governance Mentor junior designers and contribute to design standards and systems What You’ll Bring 8+ years of experience in UX, interaction design, or digital product design Strong portfolio showcasing UX leadership across public More ❯

where design is at the heart of shaping impactful, public-facing digital services. This UX Designer role offers the chance to work on meaningful projects that improve accessibility and usability across government platforms. You'll be part of a collaborative, agile environment where your expertise in user-centered design will be valued and celebrated. If you enjoy leading end … inclusive design, this role will suit you perfectly. Role Requirements: Lead UX design from discovery through delivery, championing user needs and accessible service design Plan and run user research, usability testing, journey mapping, and service blueprinting Collaborate with cross-functional teams including service designers, business analysts, and developers to deliver scalable design solutions Create wireframes, flows, and high More ❯

doing: Lead UX design from discovery through to delivery, championing user needs and shaping intuitive, accessible public services Plan and conduct user-centred design activities such as contextual research, usability testing, journey mapping, and service blueprinting Collaborate with service designers during discovery and design phases to align UX with broader service goals and end-to-end journeys Create … UX and service strategy Collaborate closely with developers during build, clarifying interaction patterns and design intent to support smooth implementation Ensure all solutions adhere to accessibility (WCAG 2.2) and usability best practices Contribute to or help establish design systems and standards that support consistent delivery at scale Support GDS service assessments and advocate for users in governance and decision More ❯

turn business and user needs into seamless, scalable design Create wireframes, prototypes, and high-fidelity designs in Figma, building and evolving a consistent design system Conduct user research and usability testing to validate and refine your ideas based on real user behaviour Ensure responsive, accessible design across desktop and mobile platforms Participate in Agile ceremonies, shaping the product More ❯

for features like voice cloning. Create multimodal interfaces that work across voice, text, and visuals. Own the design system and ensure consistency across the product. Conduct user research and usability testing to inform and validate your designs. Collaborate closely with engineers to bring your designs to life accurately. What you’ll bring: 3+ years of UX/UI More ❯

and prototyping to supporting design system updates and contributing ideas to improve our product. Key Responsibilities Assist in creating wireframes, user flows, and interactive prototypes Support user research and usability testing to inform design decisions Collaborate with Product, Engineering, and other Designers to improve features and experiences Contribute to the development and maintenance of the design system Translate More ❯

and prototyping to supporting design system updates and contributing ideas to improve our product. Key Responsibilities Assist in creating wireframes, user flows, and interactive prototypes Support user research and usability testing to inform design decisions Collaborate with Product, Engineering, and other Designers to improve features and experiences Contribute to the development and maintenance of the design system Translate More ❯

You’ll be shaping strategies, unlocking user needs, and guiding design decisions with evidence, not guesswork. You’ll take on big, complex problems. The kind that demand more than usability testing and sticky notes. You’ll set the direction, run the studies, and turn findings into stories that land - inside the team and with clients alike. If you More ❯

UX/UI Designer with strong SaaS experience to support the design of a Salesforce-based platform for a government service. Key Responsibilities: Wireframing and designing user interfaces Supporting usability testing alongside user researchers Collaborating within a multidisciplinary Agile team Essential Skills: Experience designing for SaaS platforms (Salesforce experience) Strong UX and UI (or product) design background Confident 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 ❯

lead stakeholder prioritization, and manage the product backlog. Conduct competitive analysis and market research to ensure our solutions are innovative, relevant, and commercially viable. Lead customer discovery interviews and usability testing—both externally and internally—to ensure an exceptional user experience. Partner with global teams across research, design, sales, marketing, operations, and legal throughout the product lifecycle. Write More ❯

intuitive yet trail-blazing interfaces for conversational AI interactions, ensuring seamless transitions between voice, text, and visual modalities. Create a polished and intuitive user interface for the MVP, prioritizing usability to drive adoption and positive user experiences. Act as the voice of the customer and user in internal product development discussions. Develop comprehensive user flows, wireframes, mockups, and high … the product ecosystem. Design interfaces that accommodate diverse user needs across multiple markets, considering cultural differences and preferences. Conduct user research to inform design decisions and validate solutions through usability testing. Rapidly iterate on designs based on feedback to support our aggressive MVP timeline. Work closely with the Product Manager and mobile engineers to ensure accurate implementation of designs More ❯

decisions in real insight. 💡 What you’ll be doing: Plan and lead end-to-end user research across Discovery, Alpha, Beta and Live phases Use mixed methods (depth interviews, usability testing, contextual inquiry, surveys) to surface insight Translate research into clear, actionable outputs—user journeys, personas, problem statements Guide backlog prioritisation and service decisions based on evidence Embed More ❯

technologies to inform product decisions Manage the product roadmap - break down complex features into shippable chunks that deliver value fast Ensure quality releases through hands-on product review and testing processes Your background looks something like: 4+ years of product management in AI or B2B/PLG SaaS with a track record of shipping zero to one new products … Hands-on experience with user research, usability testing, and iterating based on feedback Technical understanding of AI systems, APIs, and software development Experience with sprint planning, roadmap management, and product quality processes Daily use of AI tools like Anthropic Console, ChatGPT, etc. to enhance your work As a person, you... Love the details - tickets, specs, and development processes More ❯

intuitive yet trail-blazing interfaces for conversational AI interactions, ensuring seamless transitions between voice, text, and visual modalities. Create a polished and intuitive user interface for the MVP, prioritizing usability to drive adoption and positive user experiences. Act as the voice of the customer and user in internal product development discussions. Develop comprehensive user flows, wireframes, mockups, and high … the product ecosystem. Design interfaces that accommodate diverse user needs across multiple markets, considering cultural differences and preferences. Conduct user research to inform design decisions and validate solutions through usability testing. Rapidly iterate on designs based on feedback to support our aggressive MVP timeline. Work closely with the Product Manager and mobile engineers to ensure accurate implementation of designs More ❯

research, competitive analysis, and strategic design thinking to build a robust, scalable design framework that propels our next phase of success. What You’ll Do: Lead Strategic UX Research & Testing: Conduct qualitative and quantitative research to identify user needs, pain points, and opportunities for innovation. Design and execute usability tests, interviews, and surveys to generate actionable insights that … or UX Designer (4+ years of experience) within a startup that successfully scaled—demonstrable experience being part of the scaling process is essential. Strong expertise in UX research, user testing, and competitive analysis. Hands-on experience in establishing design processes that have supported rapid team growth and increased revenue. Proficiency with modern design and prototyping tools (e.g., Figma, Adobe More ❯