Senior Product Designer - Mission Driven AI Startup

Overview

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Mission: ADHD & Autism Support In the UK, nearly 1 million people are currently on waitlists for Autism or ADHD assessments. Half of them are children. These families are often at breaking point, feeling desperate and overwhelmed for years, with nothing out there to help.

You can learn more about Sylva in our 10 minute video, and BBC coverage of our earlier prototype, which we called Hazel.

You’ll own the entire product design function. You’ll work directly with our CEO and Tech Lead, shaping product strategy through user research and delivering pixel‑perfect mobile experiences.

• Own subscription and retention KPIs
• Run Continuous Discovery (3+ interviews per week, diary studies, usability tests, session replays, analytics) with neurodivergent families and organisations that serve them (eg NHS, local authorities, schools, charities)
• Run experiments to test assumptions (desirability, usability, feasibility, business viability, ethics)
• Synthesise research data into actionable insights
• Drive product experience development
• Design flow level user experience
• Design user interface for accessible desktop (web) and mobile experiences (iOS & Android)
• Manage our design system, component library and brand book
• Document acceptance criteria for engineers

• Solid understanding of behavioural psychology
• Senior product design experience with strong portfolio (user research → shipped products)
• User research experience (interviews, usability testing, analytics)
• Mobile app design experience (iOS/Android)
• Expert Figma skills (design systems, components, prototyping, pixel perfect UI)
• Thrives working autonomously in early‑stage, ambiguous environments

• Healthcare/regulated industry experience (medical devices, digital health)
• Accessibility expertise (WCAG AA, designing for stressed neurodivergent users)
• Startup experience
• Continuous Discovery frameworks
• AI/LLM product experience

• Right to work in the UK
• Available for a minimum 2 days per week in our Bristol office
• DBS check (we will support you through this process)

• Working Arrangements
  • Full-time or fractional role with flexible working hours around our core 9‑3 office hours.
  • Hybrid working with 2+ days per week with the team in the Bristol office
• Benefits Package
  • 25 days annual leave plus bank holidays
  • Comprehensive wellbeing support and professional coaching
  • Opportunities for professional development in a mission‑driven organization
• Culture & Growth
  • Work with cutting‑edge AI technology
  • Work within a passionate team dedicated to making a real difference
  • Opportunity to shape our strategy and grow with the company
  • Supportive, inclusive environment that values creativity