Flo is the world’s #1 health app on a mission to build a better future for female health. With over 400 million downloads and 75 million monthly users, Flo has been a trusted product for over a decade. In 2024, Flo became the first product of its kind to reach a $1 billion valuation, backed by a $200 million investment led by General Atlantic. The app currently has 6 million paid subscribers and is the highest-rated experience in the App Store's health category. Flo is focused on building the next generation of digital health—AI-powered, privacy-first, and clinically backed—to help users better understand their bodies.

Responsibilities:
Lead GenAI technical strategy and implementation including developing model benchmarking and evaluation frameworks, driving AI tooling development and integration, designing human-in-the-loop systems, establishing dataset collection and curation methodologies, architecting AI infrastructure such as model serving, monitoring, and scaling, optimizing performance, and defining quality metrics.
Provide cross-functional leadership by partnering with medical teams for model safety validation, collaborating with product teams to define model usefulness metrics and user needs, working alongside product peers on solution design and user experience, making technical decisions aligned with business objectives, and building strong relationships with key stakeholders across departments.
Manage people by building and developing high-performing engineering teams, coaching and mentoring engineering managers, driving hiring strategies and team growth, fostering an inclusive and collaborative team culture, and setting clear goals and development paths for direct reports.

Must have deep technical expertise in GenAI systems and infrastructure, proven track record of leading engineering teams, strong cross-functional leadership experience, knowledge of AI safety and evaluation frameworks, successful product delivery, excellence in stakeholder management, and strong technical decision-making abilities.

Flo is a mission-led, product-driven team that moves fast, stays focused, and takes ownership from ideation to impact. Debate is encouraged, and decisions are shared. The company values craftsmanship and purpose.
You will work with people who are serious about their work but maintain a lighthearted approach. The role requires commitment, resilience, and drive for better health outcomes.
Benefits include a competitive salary with annual reviews, participation in Flo’s performance incentive scheme, paid holiday, sick leave, female health leave, enhanced parental leave and pay for all parents, accelerated professional growth, flexible office and home working options with up to 2 months a year abroad, a 5-week fully paid sabbatical at 5 years, Flo Premium for friends and family, and other health, pension, and wellbeing perks.

Flo values differences and hires based on merit, skill, and what candidates bring to the role. The company is an equal opportunity employer welcoming applicants from all backgrounds, communities, and identities.

Interested candidates can apply through the provided application form on the job posting page. The application requires personal details including name, email, phone, location, resume/CV, cover letter, LinkedIn profile, and confirmation of eligibility to work in the UK. Candidates are also asked about their willingness to travel to the London office twice a week and to acknowledge the privacy notice for job applicants. Additional voluntary self-identification forms regarding gender, ethnicity, veteran status, and disability are included but optional.

Applicants must complete and submit the application form on the Flo job page. Supporting documents such as resumes and cover letters can be attached or entered manually. Completion of voluntary self-identification surveys is encouraged but not mandatory.