Location
London (Hybrid, 3 days per week in the office)
Hours
Full Time
Salary
£85,000 - £105,000 GBP per annum (ranges may vary based on skills and experience)
About the Role
Flo is the world’s #1 health & fitness app worldwide, with over 500 million downloads and 80 million monthly users. Backed by a $200M investment and valued at $1B in 2024, Flo is on a mission to build a better future for female health. With 7 million paid subscribers and the highest-rated experience in the App Store’s health category, we are now building the next generation of digital health – AI-powered, privacy-first, and clinically backed – to help users understand their bodies better.
As a Senior Product Designer at Flo, you will play a pivotal role in shaping complex, system-level design solutions that elevate user experiences across the Flo app. This role requires deep expertise in UX thinking, interaction design, systemic thinking, AI tooling, and visual craft, combined with the ability to architect scalable frameworks and influence product direction.
In this senior individual contributor role, you will tackle the most challenging design problems, set the quality bar for the team, and ensure designs are accessible, inclusive, and emotionally resonant. You will collaborate closely with product, engineering, research, medical, legal, and content teams, leveraging high-fidelity prototypes to drive critical business decisions, raise craft excellence, and contribute significantly to Flo’s overarching vision.
We are a mission-led, product-driven team that moves fast, stays focused, and takes ownership from brief to build to impact. We value debate, shared decisions, craft, and purpose, always striving to raise the bar. Working at Flo means commitment, resilience, and the drive to improve health outcomes through world-changing work.
What You'll Be Doing
- Lead complex design projects, creating scalable frameworks and systems that support growth and innovation.
- Proactively tackle complex and ambiguous challenges, defining requirements and prioritising impactful workstreams to deliver clear, user-centred experiences.
- Design features, end-to-end flows, and experiments aligned with user needs and business goals such as engagement and retention.
- Produce high-fidelity prototypes and mock-ups using Figma and advanced tools, strategically utilising AI to streamline concept-to-validation.
- Develop and evolve interaction models, motion principles, and visual systems that scale across teams and inspire adoption.
- Collaborate closely with product managers, engineers, researchers, and content designers to deliver cohesive solutions.
- Mentor peers, junior designers, and non-designers by providing actionable feedback and upskilling guidance to raise the overall craft bar.
- Advocate for emotionally intelligent, ethical design and ensure accessibility standards are upheld at every stage.
- Contribute to the design system, ensuring accessibility, inclusivity, and scalability.
- Integrate AI tools into day-to-day work.
What You'll Be Measured On
- Delivering complex design initiatives that significantly improve user engagement, retention, and satisfaction.
- Strengthening Flo’s design systems, frameworks, animation, and motion principles to enable scalable, high-quality design.
- Raising team capability and craft standards by mentoring peers and fostering a culture of design excellence.
What You'll Get
- Competitive salary with annual reviews
- Opportunity to participate in Flo’s performance incentive scheme
- Paid holiday, sick leave, and female health leave
- Enhanced parental leave and pay for maternity, paternity, same-sex, and adoptive parents
- Accelerated professional growth through impactful work and learning support
- Hybrid working model with in-person collaboration
- 5-week fully paid sabbatical at 5-year Floversary
- Flo Premium for friends & family, plus additional health, pension, and wellbeing perks
Diversity, Equity and Inclusion
Flo is proud to be an equal opportunity employer. We hire based on merit, skill, and what you bring to the role, welcoming applicants from all backgrounds, communities, and identities.
Experience
- 8+ years of professional experience designing mobile applications.
- Portfolio demonstrating expertise in systemic design, advanced prototyping, micro-interactions, and architecting solutions with measurable product impact.
- Experience creating scalable frameworks, contributing to design systems, and interaction models.
- Experience designing gamified or behaviour-change-driven experiences.
- Proficiency in Figma and advanced prototyping tools such as Protopie.
- Experience using motion and animation tools like Lottie, Rive, or After Effects.
- Experience leveraging AI/LLM tools (e.g., Claude, Vercel) to accelerate design exploration and streamline concept validation.
- Strong communication and presentation skills with the ability to distill complex ideas into clear narratives and influence stakeholders.
- Deeply collaborative with experience mentoring and raising the craft bar for design teams.
About You
- Passionate about designing emotionally intelligent, ethical, and accessible products.
- Comfortable working in a fast-paced, mission-driven environment.
- Resilient, committed, and driven to improve health outcomes through design.
- Collaborative mindset with the ability to work across multidisciplinary teams.
Qualifications
- No specific formal qualifications required, but a strong portfolio and proven track record in senior product design roles are essential.
- Experience in health tech or regulated industries is a plus.
Flo Health







