Behavioural Medicine Manager (Obesity)

About Numan Founded in 2018, we’ve already grown to be a 200+ team distributed across the globe united by a singular mission: empowering people to take control of their health. Numan is transforming health: we’ve built a cutting-edge platform that integrates diagnostics, medication, supplements, digital programmes, and doctor consultations. Giving people the tools they need to maximise life. To deliver on our transformative mission, we are guided by our 5 company values: Patients first. Deliver sustainable results at speed. Own the quality. Succeed together. Care deeply.

The role As Behavioural Medicine Manager (Obesity), you will be embedded within the Behavioural Medicine team, working closely with product teams delivering Numan’s Obesity service across web and app platforms. You will play a vital role in designing, testing, and implementing behavioural science methodologies to drive engagement and long-term health behaviour change. While your primary focus will be developing behavioural programmes for Numan’s Obesity service, there may be opportunities to contribute across other health domains such as women’s health, men’s health, preventive services, and diagnostics.

You’ll Be:

• Partnering with product teams to design, test, and implement behavioural programme features, journeys, and experiences aligned with our programme blueprint.
• Building methods to co-design programmes with patients, alongside design colleagues and our user-research team, leveraging both qualitative and quantitative research.
• Establishing an internal Behavioural Science Guild, empowering cross-functional teams to integrate behavioural science methodologies into interventions that drive real-world behaviour change.
• Enhancing internal capabilities and processes to embed behavioural design, positioning Numan as a world leader in this space.
• Collaborating with brand and content teams to ensure behavioural programme principles are applied consistently across all messaging and communication.
• Contributing to the ongoing evolution of Numan’s Weight Management Programme, designing bespoke, evidence-based curriculum and patient journeys that integrate diet, activity, stress management, and psychology, delivered through product, AI, and human coaching.
• Supporting the development of Numan’s broader behaviour change strategy and innovation initiatives across all health domains.
• Managing a pipeline of behavioural science and obesity-focused research, supporting scientific publications and conference presentations to showcase Numan’s credibility and programme effectiveness.
• Collaborating with the Head of Health Coaching to support integration of human coaching models across respective product teams.

We’re looking for someone who has:

• Extensive experience in therapeutic lifestyle change programme design, testing, and implementation, with a specific focus on behaviour change for obesity care (Obesity care SME).
• Training and hands-on experience in behavioural design methodologies.
• Experience working in hybrid care or digital health environments.
• Strong communication and writing skills, with the ability to create engaging, patient-facing content.
• A background in lifestyle medicine disciplines such as nutrition, dietetics, or psychology.
• Ability to plan and execute qualitative and quantitative user research using validated tools (data analytics support available).

It’s a bonus if you have:

• A clinical psychology background, with expertise in a range of behavioural techniques, including Cognitive Behavioural Therapy (CBT).

Please note, this role is a 12-month freelance FTC.

Our benefits include...

• Share options.
• 25 days holiday, plus bank holidays (increasing to 30 the longer you stay with Numan).
• Health insurance with Vitality.
• Enhanced maternity and parental leave.
• Nursery benefit provided by YellowNest.
• Employee assistance programme (access to therapy, financial planning and discounts).
• Generous pension (includes both employee and employer contributions).
• Flexible working options, including a dog friendly office in Farringdon.
• Personal training and development budget via Learnerbly.
• Wellhub membership, giving you access to over 2,000 locations in the UK.
• Free office snacks including breakfast items, soft drinks, tea and coffee.
• Cycle to work scheme.
• Season ticket loan.
• Discount to Numan products for your friends and family.
• Paid volunteering days.
• An additional 2 weeks off once you reach your 5th anniversary with Numan.

Diversity at Numan At Numan, people are at the heart of who we are. We recognise and value the unique perspectives and experiences that individuals from all backgrounds bring. We promote innovation and creativity, enabling us to tackle things from various viewpoints and are committed to equal opportunities and continuously strive to create a workplace where everyone feels respected, heard, and valued. Embracing diversity isn't just our goal; it's our strength, driving us towards a more inclusive future.