Senior Product Designer

About Thriva
At Thriva, we’re on a mission to close the gap between lifespan and healthspan. While people are living longer, they’re also spending more years in poor health. We help people live better now, and for longer with proactive, at-home blood testing, connected wearables, doctor-reviewed results, and personalised actions backed by evidence.

We’re in a phase of rapid product evolution: building AI-powered health coaching, expanding wearable integration, and developing increasingly sophisticated data-driven insights for hundreds of thousands of users.

At Thriva, our design challenge is very human. Our job is to help people go from tracking and understanding their health, to taking the action that improves it - and we know this isn’t an easy task. We’re hiring a Product Designer who can help us stay close to the user and their problems whilst elevating the design vision behind our end to end health improvement journeys - delivering a compelling mobile experience that supports behaviour change, without being attention extractive.

The Role
We're building a first-of-its-kind proactive health app, combining deep clinical insight with human-centred design, conversational coaching, and increasingly sophisticated data insight. As Senior Product Designer, you'll play a pivotal role in shaping how this experience looks, feels, and behaves — end to end, from the shape of the problem to the pixels in production.

This is fundamentally a creative problem-solving role. Supporting behaviour change is genuinely hard, and much of what we're doing has never been done before. We need someone who can explore a solution space widely, invent novel patterns when they're warranted, and design experiences that meet people where they actually are in their health journey. If you're the kind of designer who is energised rather than daunted by tackling messy human problems head on, you'll thrive here.

We're a purposefully small team that moves fast. Our CTO Founder writes code, our Product Director runs user interviews, and our product managers prototype in code rather than throwing requirements over the wall. Designers and engineers work shoulder to shoulder, increasingly using the latest AI tools to accelerate both the design and the build of first-class experiences. We're looking for someone who's excited by that way of working — comfortable operating at both the strategic and the pixel-perfect level, and happy to get their hands dirty across the whole craft.

Key Responsibilities
Solve hard product problems with creativity and rigour

• Explore the solution space for ambiguous, novel problems and create patterns that genuinely meet users where they are
• Design for real behaviour change — building experiences that encourage healthy action, habit-building, and reflection in the real world
• Balance engagement with restraint, avoiding dark patterns or addictive mechanics in favour of meaningful, lasting impact over months and years

Own and elevate the Thriva app experience

• Design for native mobile first, with deep care for platform conventions, performance, and the details that make an app feel premium and trusted
• Translate clinical insights, health metrics, trends, and recommendations into intuitive, calm, and empowering interfaces that don't overwhelm

Build and maintain a scalable design system

• Be hands-on with our design system — creating and refining components, patterns, and guidelines in Figma
• Work closely with front-end engineers on shared UI components and a scalable component library (via Storybook)
• Contribute to a system that supports speed, consistency, and ongoing iteration

Collaborate deeply across a lean, fast-moving team

• Partner with product managers who prototype in code — designing in tight, iterative loops
• Work with engineers using the latest AI tools to accelerate design and build, raising the bar on quality and pace at the same time
• Collaborate with clinicians, data experts, and content teams to bring progressive evidence backed health information and advice to the experience in a way that support users where they are
• Align with brand and marketing creatives to extend and evolve Thriva's visual identity through the evolving product
• Share your thinking and knowledge with our team regularly, incorporating feedback to improve your designs whilst owning their direction

Stay close to users and product outcomes

• Run user research, bringing a range of methodologies and best practise to ensure we build from the best insight into our customers
• Iterate based on evidence, while applying strong design judgement and taste
• Use data and metrics evolve and understand the impact of your designs

About You
You're a senior product designer with exceptional craft and a creative, problem-solving instinct — someone who cares deeply about visual and interaction quality, but always in service of clarity, trust, and user outcomes.

• You can show depth and breadth of experience designing digital products and solving complex use problems with creative solutions
• You have strong native mobile expertise and care about the details that make an app feel first-class
• You're comfortable in ambiguity — able to explore a wide solution space and invent novel patterns when existing ones don't fit
• You're fluent in Figma, hands-on with design systems, and comfortable building and evolving component systems alongside engineers
• You enjoy a collaborative way of working and embrace new technologies and ways of working — partnering with product managers who prototype in code and engineers using the latest AI tools to move quickly without sacrificing quality
• You understand how design influences behaviour and care about doing this ethically and responsibly to create real health impact
• You're energised by hard human problems and motivated by meaningful work, particularly in health, wellbeing, and long-term impact
• You're humble, curious, and happy to operate at both the strategic and the pixel-perfect level across a broad remit, seeing opportunity in connecting the dots

Why Join Thriva?

• Help shape the future of proactive, preventative health
• Play a defining role in evolving a product used by hundreds of thousands of people
• Work with a mission-driven, collaborative team that genuinely cares about quality and impact
• Hybrid, flexible working (minimum 2 days per week in our Old Street office)
• Free Thriva testing (of course)
• Very competitive salary with regular reviews
• Equity options
• Pension contributions of 3%
• Annual "treat yourself" budget
• Annual learning and development budget
• Private health cover with BUPA
• Enhanced parental leave

At Thriva, we’re on a mission to close the gap between lifespan and healthspan.