Principal Product Designer

We are looking to hire a Staff Product Designer, Apps to lead the end-to-end user experience of our flagship mobile applications. In this role, you will set the strategy, vision, and craft for our core app journeys, ensuring seamless, high-quality user experiences that solve real user problems.

This is and individual contributor (IC) role blending product strategy with hands-on, high-craft execution. You will establish design patterns, define complex end-to-end flows, and elevate design quality for our mobile apps and core experiences. You will partner directly with Product Managers, Engineering Leads, and Clinical Leads to build world-class experiences.

If you are an ambitious product designer who thrives at the intersection of product complexity, design craft, and strategic influence, this role is for you.

RESPONSIBILITIES

• End to end ownership on core experiences: Own the complete product design process from discovery to delivery, with a focus on putting the customer first.
• Craft & Execution: Lead hands-on design execution for our most complex and critical app features—setting benchmark standards for interaction design, visual polished, and usability.
• Experimentation: Validate hypotheses, ideas and solutions using A/B testing, prototyping and user testing.
• Creating business impact: Identify key metrics for the initiatives you are involved in and take ownership for achieving and evaluating their success.
• Develop our customer understanding: Understand our customers’ needs and aspirations based on quantitative and qualitative research methods.
• Create Alignment: Collaborate with Product, Engineering, and Clinical leadership to translate complex requirements into intuitive, elegant user journeys.

WHO YOU ARE

• You like having a high amount of ownership and autonomy
• You want your work to have a real impact on people’s lives
• You enjoy solving complex product problems
• You have a strong appreciation for craft
• You enjoy working with data to make educated decisions

REQUIREMENTS

• 7+ years of product design experience, with a track record of working on consumer mobile applications.
• Staff-level influence: Proven track record of technical and design leadership as a Staff/Lead IC across multi-squad product teams.
• Mastery of craft: Exceptional prototyping, visual design, micro-interaction, and information architecture skills.
• Experience conducting usability testing and partnering with User Research to validate complex workflows.
• Strong communication skills with the ability to articulate design rationale and technical trade-offs to engineering and product leaders.
• Passion for mentoring junior/mid-level designers and elevating design quality across the organization.

NICE TO HAVE

• Experience working in startups and small teams.
• Experience with AI Prototyping workflows.

BENEFITS

• Share options
• Private medical insurance
• Gym & wellness benefit with [REDACTED]
• Remote opportunity / Hybrid role based in London Bridge 3 days a week with lunch once a week
• Cycle to work scheme
• Electric car scheme
• 25 days holidays and generous parental leave & flexible working policies
• Join in the early stages of one of the most promising scale-ups in the healthcare space