1 to 25 of 222 High-Fidelity Prototypes Jobs in the UK

as well as plugins like UX Pilot and Google Stitch ) to supercharge your workflow. This role requires someone who can move quickly from idea to high-fidelity design, using AI to accelerate iteration while ensuring designs are polished and developer-ready for handoff. Key Responsibilities Lead End-to-End Design: Own the … UI/UX design process from concept to delivery. Develop user flows, wireframes, and high-fidelity mockups for new features and improvements in Braintrust AIR, ensuring a cohesive, intuitive user experience across the platform. Establish and maintain our design system, aligning all work with Braintrust’s visual style and brand guidelines. … Rapid Prototyping & Iteration: Collaborate with the Sales and Product teams to translate client needs and feedback into design solutions quickly. Produce rapid prototypes (lo-fi and hi-fi) to test ideas and gather feedback, leveraging AI design tools to speed up creation. (For example, use Figma’s AI features or UX Pilot’s UI generator to More ❯

user experiences. User Interface Design & Hi-Fidelity Prototyping Combine UX research findings and branding strategy to design detailed product screens. Create high-fidelity click-through prototypes that showcase realistic user flows and expected interactions. Ensure visuals are development-ready and clearly articulate the product … Adobe XD, Sketch, or similar tools. Deep understanding of UX principles, user-centered design, and accessibility best practices. Ability to create wireframes, user flows, sitemaps, and prototypes for complex systems. Experience developing responsive designs for both mobile and desktop platforms. Strong visual design skills with a keen eye for layout, typography, color, and hierarchy. Experience … producing high-fidelity, interactive prototypes for handoff to developers. Excellent verbal and written communication skills, with an ability to present ideas clearly to technical and non-technical audiences. Strong organizational and time-management skills, with the ability to handle multiple projects. Preferred Qualifications Experience with video editing, motion More ❯

maps and actionable insights Interaction & Visual Design Create information architectures, user flows, wireframes, high fidelity UI and interactive prototypes in Figma Ensure designs are responsive and meet WCAG2.2AA accessibility standards Service Design Mapping Document current and future service blueprints, highlighting backstage processes, systems and roles. Identify pain More ❯

into effective design solutions Conduct user research, usability testing, and gather feedback to inform design decisions Create wireframes, prototypes, and high-fidelity mock-ups using tools like Figma, Sketch, or Adobe XD Implement responsive and accessible designs using HTML, CSS, and JavaScript Ensure consistency and More ❯

Responsibilities: User Research: Conduct user research, including interviews, surveys, and usability testing, to gather insights and understand user needs, behaviors, and emotions. Wireframing & Prototyping: Create wireframes, storyboards, and prototypes that effectively communicate design ideas and user flows. UI Design: Design visually appealing and user-friendly interfaces that align with Emotii.ai’s brand and enhance the … tools such as Adobe XD, Figma, Sketch, or similar. User-Centered Design: Deep understanding of user-centered design principles and methodologies. Prototyping: Experience with creating high-fidelity prototypes and interactive mockups. Visual Design: Strong visual design skills with a keen eye for typography, color, and layout. Communication: Excellent More ❯

to inform design decisions. Translate complex business requirements into intuitive, user-centric design solutions. Create wireframes, prototypes, user flows, and high-fidelity mockups to communicate design intent. Advocate for design best practices, accessibility standards, and user-centered design principles. Collaborate closely with product managers, developers, and stakeholders More ❯

stakeholders to ensure design solutions meet user needs and business objectives Prototyping and Wire-framing: Create high-fidelity wireframes, prototypes, and mockups using Figma Design Systems: Develop and maintain design systems to ensure consistency across all product touch-points. Ensure best practice and governance are upheld with More ❯

across Discovery, Alpha, Beta, and Live phases , leading the development of digital experiences that meet GDS service standards . From mapping user journeys to producing high-fidelity prototypes, you will guide clients and teams toward evidence-based decisions. You will also help define and maintain a consistent UX … with service designers during discovery and design phases to align UX with broader service goals and end-to-end journeys Create wireframes, flows, and high-fidelity prototypes to support stakeholder alignment and enable early design sign-off Work closely with Business Analysts and Tech Leads to translate … services Proven experience delivering to GDS service standards in central or local government Ability to design intuitive experiences through wireframes, flow diagrams, IA, and high-fidelity prototypes Proficient in tools such as Figma, Adobe CC, Miro, etc. Strong understanding of accessibility (WCAG 2.2) and inclusive design Practical More ❯

Analysis: Conduct research, analyze competitors, and perform usability testing to improve product design. Interaction & Visual Design: Create wireframes, prototypes, and high-fidelity designs, ensuring accessibility and consistency. Collaboration & Stakeholder Management: Work with cross-functional teams to define requirements and incorporate feedback. Design Validation & Iteration: Test and refine More ❯

and developers to embed user-centred practices while considering technical constraints Design accessible digital experiences, from low-fidelity wireframes to high-fidelity UI designs, using and evolving our design system Create reusable UI assets and common design patterns to drive consistency and efficiency Prototype using tools such … as Figma, InVision, and Sketch, and build rich interactive prototypes with HTML, CSS, JavaScript, and Nunjucks (GDS prototyping toolkit) Mentor and coach early career colleagues, strengthening our UCD community and supporting future growth Contribute to evolving Informed's UX capabilities by refining methodologies and driving quality improvements Essential Skills: UX and Interaction Design Expertise: Proven experience … Scalable Design: Strong grasp of accessibility standards and creating reusable UI components Prototyping and Tools: Proficient in Figma, InVision, and Sketch, with the ability to build interactive prototypes using HTML, CSS, JavaScript, and Nunjucks (GDS prototyping toolkit) Agile Methodologies: Experience working in Agile environments, delivering iterative, user-centred solutions Desirable Skills: Service Design: Experience applying service More ❯

stakeholders to ensure design solutions meet user needs and business objectives. Prototyping and Wire-framing: Create high-fidelity wireframes, prototypes, and mockups using Figma. Design Systems: Develop and maintain design systems to ensure consistency across all product touch-points. Ensure best practice and governance are upheld with More ❯

seamless, visually engaging interfaces that reflect brand standards and offer a consistent user experience across platforms. Develop wireframes, prototypes, and high-fidelity designs that balance usability, accessibility, and aesthetic appeal. Conduct UX research including user interviews, surveys, and data analysis to inform design decisions and refine user More ❯

workflows, industry trends, and emerging best practices. Translate insights into actionable design improvements. Interaction & Visual Design: Create wireframes, prototypes, and high-fidelity designs that enhance usability and engagement. Ensure consistency across the product by contributing to the design system and aligning with accessibility best practices. Collaboration & Stakeholder More ❯

expert: Contribute to and maintain our design system, ensuring consistency across all products Design Execution: Create high-fidelity designs, prototypes, and user interfaces for web and mobile applications User Research: Conduct user research and usability testing to inform design decisions. Analyze user feedback and activity to enhance the More ❯

wireframes, mockups, and prototypes that align with business goals and user needs. Design and deliver user stories, user journeys, and high-fidelity mockups. Develop and maintain design guidelines, style guides, and design systems to ensure consistency and alignment with business objectives. Conduct user research, usability testing, and More ❯

into effective design solutions Conduct user research, usability testing, and gather feedback to inform design decisions Create wireframes, prototypes, and high-fidelity mock-ups using tools like Figma, Sketch, or Adobe XD Ensure consistency and adherence to design standards and guidelines Continuously iterate on designs More ❯

and services. Conduct user research and usability testing to inform design decisions. Translate insights and requirements into wireframes, prototypes, and high-fidelity mockups. Collaborate with product managers, developers, content designers, and other stakeholders. Advocate for accessibility and inclusive design throughout the service lifecycle. Design and contribute to More ❯

rewards, recurring payments, and bill payments • Create and maintain scalable design systems for various payment scenarios • Develop wireframes, prototypes, and high-fidelity designs throughout the product lifecycle • Apply research insights and data analytics to inform design decisions • Partner with product, engineering, and leadership teams to deliver user More ❯

UI/UX design for mobile and AR applications from concept through to implementation. Creating wireframes, user flows, prototypes, and high-fidelity designs. Collaborating with the development team to ensure seamless integration of design and functionality. Conducting user research and usability testing to gather feedback and iterate More ❯

remain consistent throughout the design process and have a single source of truth for all elements that update entire systems. Develop wireframes, interactions, and high-fidelity UI designs using Figma. Create prototypes when delivering design ideas to illustrate different design solutions and test hypotheses. Conduct competitive analysis More ❯

and analyse data to inform design decisions and contribute to product strategy Design user flows, information architecture, wireframes, prototypes, and high-fidelity UI while ensuring brand consistency and maintaining scalable design systems Collaborate closely with product managers, developers, and stakeholders to understand requirements, scope feasibility, and align More ❯

initiatives, ensuring applications are intuitive, user-centric, and aligned to real-world workflows. Develop wireframes, journey maps, personas, prototypes, and high-fidelity designs that support user needs and business goals. Drive Day-in-the-Life research programs and user mapping exercises to ensure a deep understanding of More ❯

data to create highly personalised and effective customer journeys that drive engagement and conversion. Collaborate with cross-functional teams to define user journeys, wireframes, high-fidelity designs, and prototypes. Conduct usability testing, gather feedback, and continuously iterate on designs to enhance performance. Stay informed on UX/UI best practices, accessibility More ❯

data to create highly personalised and effective customer journeys that drive engagement and conversion. Collaborate with cross-functional teams to define user journeys, wireframes, high-fidelity designs, and prototypes. Conduct usability testing, gather feedback, and continuously iterate on designs to enhance performance. Stay informed on UX/UI best practices, accessibility More ❯

data to create highly personalised and effective customer journeys that drive engagement and conversion. Collaborate with cross-functional teams to define user journeys, wireframes, high-fidelity designs, and prototypes. Conduct usability testing, gather feedback, and continuously iterate on designs to enhance performance. Stay informed on UX/UI best practices, accessibility More ❯