Product designer

Mustard Navy is an award-winning product design agency dedicated exclusively to AI products. We help category-defining founders, scale-ups, and private-equity-backed innovators transform raw, emerging machine learning technology into impactful, human-centric user experiences. From rapid vision prototyping to zero-to-MVP builds in deep tech, health tech, and beyond, we build «Design Intelligence» that scales.

• Hold day-to-day responsibility of product design projects.
• Understand client context and requirements, assisting in research if required.
• Develop wireframes to test a broad variety of concepts.
• Craft creative, visually stunning interfaces and interactive prototypes.
• Build and evolve design systems that help our clients to scale their products.
• Drive innovation while balancing client constraints.
• Contribute broadly to agency growth and internal initiatives.
• Work closely with members of the Mustard Navy team to solve complex client challenges and craft world-leading design solutions.
• Stay at the forefront of new technologies, experimenting and researching to help evolve our ways of working.
• Form a core part of our growing team, embracing the culture and collaborating closely to help drive our product design passion.
• Confidently present your work, grounded in past experience working in a client facing role.

• Have a portfolio of shipped digital products that goes beyond standard UI patterns, with visual craft you can talk about in detail: typography, layout, hierarchy, colour and motion.
• Can take a project from brief to polished prototype, framing the problem, testing concepts through wireframes, and refining the final interface.
• Understand how designs get built, and have experience with design systems, frontend frameworks or animation.
• Think critically and zoom in and out of problems with ease.
• Are passionate about non-standard interfaces, such as conversational or generative UI, interactive data visualisation, mixed media, and others.
• Understand foundational design principles for AI and data-rich products.
• Are comfortable working with AI throughout your process, and have the taste and judgement to know when its output is good enough, and when it isn't.
• Explain design decisions confidently, and give and receive critique well.
• Thrive in ambiguity and find paths forward independently.
• Gravitate towards impact-driven outcomes.
• Learn through hands-on experimentation, and enjoy sharing what you find.
• Your background might combine startups, agencies, consultancies or product teams, totalling around 5+ years. However, mindset and skills matter more than rigid criteria.
• You must be legally allowed to live and work in the UK.

• Competetive base salary
• Generous 6% employer pension contribution
• Dedicated Learning and Development budget
• Hybrid working: 2 days per week in London’s flagship WeWork in Waterloo with great transport links and all of the Southbank's amenities on our door step
• Monthly team events like exhibition or conference visits and Friday visits to the street food market
• Flexible working to make time for the occasional personal life needs
• Being part of a team of industry veterans with all the camaraderie and shared learning this entails