1 to 25 of 66 Prototyping Jobs in the City of London

experience designing for complex web applications A portfolio showcasing high-impact product design across multiple platforms Skilled in Figma, Sketch, and Adobe Creative Suite Strong understanding of accessibility, rapid prototyping, and iterative design Experience or strong interest in AI-first platforms, workflow-based interfaces, or text/LLM interactions Confident communicator who can bridge creative and technical discussions Based in More ❯

powered tools . Deep understanding of user-centered design principles and interaction design. Experience designing for data-heavy, dynamic, or agent-based systems . Proficiency in Figma (or similar), prototyping tools, and design systems. Strong collaboration skills with engineers, product managers, and researchers. Ability to distill complexity into simple, intuitive experiences . Nice to Have Experience with AI agents, automation More ❯

complex technical findings into concise, actionable narratives for technical and business audiences alike. Keep learning and pushing boundaries: Expand your engineering toolkit across the full ML development lifecycle—from prototyping to deployment—and explore new architectures, tools, and approaches to solving complex, real-world problems. Sample Projects You’ll Work On Generative AI for due diligence: Lead the rollout of More ❯

builder) Misc. pages – settings, admin, billing, etc. III. Landing Pages Persona- or problem-specific versions for marketing campaigns 🎨 What We’re Looking For Expert in Figma (components, design systems, prototyping, responsive layouts) Experience creating brand identities (logo, fonts, colors, moodboards) Ability to design from rough sketches and evolve them into polished wireframes Strong visual hierarchy, storytelling, and modern SaaS aesthetic More ❯

into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and threading models. ? Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications ? Advanced UI/UX & Conversational AI ? Prior experience designing or building conversational interfaces (e.g., chatbots, voice assistants). ? A strong portfolio that explicitly More ❯

Capture and share project outputs, working in the open and representing LOTI at key meetings. About You Creative, curious and committed to learning and innovation. Experienced in running workshops, prototyping and delivering projects in complex environments. Confident communicator, able to build relationships with diverse stakeholders. Comfortable switching between topics and managing varied workloads in a small, fast-moving team. Agile More ❯

Management - Continuous Improvement They are looking for: - 5+ years of experience of UX Design - Proven experience working for a luxury brand is essential - Expert level experience in design and prototyping tools like Figma, Sketch or similar - Experience with component design and Atomatic design methodology - Experience with Storybook or other similar tools for building, documenting and testing UI components - Experience with More ❯

to five mentality, you might be just who we’re looking for. What you’ll be doing Collaborating closely with product designers to focus on new feature design and prototyping Assisting in the user experience design process, from wireframes and mockups through implementation and release Working closely with design and business teams to define and implement elegant solutions to interesting More ❯

stuck into legacy UX, and motivated by meaningful, hands-on work Someone who can manage the full design life-cycle, from initial research and concept stages through to wireframing, prototyping and testing Someone to collaborate closely with their Product & Engineering counterparts (working in squads) to ensure a holistic approach to product development A designer who can help refine design solutions More ❯

whether agency or in-house. A portfolio packed with a mix of brand-led campaigns, social content, and UX/UI projects. Mastery of Figma, Adobe Creative Suite, and prototyping tools. A strong understanding of responsive design, accessibility, and user-centered design principles. Exceptional typography, layout, and visual storytelling skills. Bonus points for motion graphics or video editing experience. A More ❯

to whip up proof-of-concept dashboards. Solid grounding in financial products & risk metrics —equities, bonds and derivatives; VaR, stress, PnL explain. Excellent communicator who never “goes dark”, loves prototyping and isn’t afraid to ask the awkward question. A self-starter ready to jump into the deep end and push tech (and yourself) beyond comfort zones. Bonus points for More ❯

exploring and applying the latest research Requirements: MSc in Machine Learning, Computer Science, or a related field 5+ years of experience in machine learning, with an expertise in modelling, prototyping, and evaluation Strong software engineering skills with a focus velocity Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working More ❯

TensorFlow) Ability to write research code in Python Strong communication and collaboration skills Strong willingness to learn Preferred Qualifications: Practical experience in deep learning, especially for computer vision tasks. Prototyping ideas from research papers. Working knowledge of cloud computing (preferably AWS) and tools such as git. About Entrust: Entrust keeps the world moving safely by enabling trusted identities, payments, and More ❯

for detail, with a user-first mindset and passion for creating intuitive products. Excited by mission-driven tech and motivated by building products that create real impact. Experience ideating, prototyping, and experimenting with AI tools (e.g., ChatGPT, Cursor). An online portfolio showcasing mobile app and/or web design work products. Ideal Candidate Quality Focus: Obsessive attention to detail More ❯

worked for and their customers Strong project management skills A knowledge and a passion for UX, Research, Experimentation, Optimisation, Product and Digital Innovation. Nice to have Strong UX Design & Prototyping capabilities Strong proficiency in using behavioural analytics tools and platforms. Experience with building Design Systems Experience setting up insights libraries for enterprise companies Public speaking at events and other thought More ❯

models and analytical systems. Developing robust, scalable software in Python, with opportunities to contribute to components in C++ or Rust. Working across the full lifecycle – from idea generation and prototyping to production deployment and performance tuning. Leveraging statistical methods, data analysis, and modern compute infrastructure to improve research and execution workflows. What you need Strong programming background, primarily in Python More ❯

foundations within UI 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 More ❯

Centred Design - Service Design - User Journey Mapping - Design Strategy - Customer Advocacy - Service Development - Workshop Coordination - Quantitative Analysis - Behavioural Analysis - Requirements Management - Design Pattern Recognition - Design Delivery - User Experience Strategy - Prototyping - Agile Methodologies Regards Anita More ❯

and validate design decisions. Champion the design vision and evolve the design system and documentation. Own end-to-end design across multiple product areas. Lead discovery, journey mapping, and prototyping to test and refine solutions. Support CMS rollout and balance user needs with commercial goals in an agile environment. THE CANDIDATE 7+ years of product design experience, including at least More ❯

of examples. Python Proficiency: Strong command of Python and its use in interacting with APIs and building applications. Collaborative Development: Experience using collaborative coding environments like Replit for rapid prototyping and team-based projects. Ideal Qualifications (Nice-to-Haves) API Integration: Practical experience integrating with third-party APIs and services within AI workflows. AI Frameworks: Familiarity with AI development frameworks More ❯

threading, inter-process communication and performance optimisation. Proven ability to write clear, maintainable, and well-documented code. Self-starter who can own projects end-to-end—from concept and prototyping through to production. Excellent written and verbal communication skills. More ❯

years managing Strong portfolio demonstrating user-centred design and measurable outcomes Excellent visual and interaction design craft Experience growing and developing design capability Highly proficient in Figma Skilled with prototyping and design-to-engineering handoff Experience maintaining design systems and component libraries Confident running usability testing and synthesising insight More ❯

design with a strong portfolio. Expertise in tools like Figma, Sketch, Adobe Creative Suite, InVision, Miro/Mural. Experience designing for multiple platforms and responsive interfaces. Strong storytelling and prototyping skills (low/high fidelity). Deep understanding of design systems and user-centered design. Collaborative mindset and proven ability to deliver on time. Passion for design trends and continuous More ❯

containerisation (Kubernetes, Docker) Built and deployed services on any major cloud providers' services (Azure, GCP, AWS) Worked with AI development tools (eg. Bolt, Lovable, Cursor) to speed up iteration & prototyping Nice to Have: Worked with real-time data collection and/or processing Worked in an IoT or Edge-oriented architectures Experience or knowledge in retail POS, inventory, or loyalty More ❯

We’re looking for a Senior AI Engineer to help us reimagine what mobile AI can be. This isn’t about bolting models onto apps. It’s about designing, prototyping, and building experiences that feel new—where AI is less a feature and more a living part of the product. You’ll join a small, design-oriented research and development More ❯