Offer summary

Qualifications:

Deep expertise in applied behavioural science within digital health or related fields., Hands-on experience with behavioural experimentation, including A/B testing and outcome measurement., Strong knowledge of behavioural frameworks like COM-B, TDF, and BCT., Experience designing interventions for long-term engagement and habit formation..

Key responsibilities:

Design and validate evidence-based behavioural interventions across the product lifecycle.

Conduct behavioural audits of UX/UI, journeys, and content.

Collaborate with cross-disciplinary teams to embed behavioural insights into product development.

Define and measure behavioural outcomes to evaluate intervention success.

Job description

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 cuttingedge 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.
• Learn Fast.
• Own the quality.
• Succeed together.
• Care deeply.

Backed by toptier investors, Numan is already having a positive impact on hundreds of thousands of patients here in the UK, and we want you to help us deliver this mission!

The Role
At Numan, we’re on a mission to become a truly personalised, integrated digital healthcare platform, delivering behaviourally intelligent, outcomesdriven care.
We’re looking for an experienced behavioural science professional to join as our Behavioural Medicine, Preventative Health Lead.
In this strategic role, you’ll embed behavioural science into the product experience across the full lifecycle, helping design and validate evidencebased interventions that support longterm patient engagement and habit formation. You’ll work across disciplines alongside product, design, clinical and engineering teams, ensuring that everything we build is rooted in behavioural insight.
This is a chance to shape how preventative health is delivered in digital care.

Youll be:
Designing Behaviourally Intelligent Products
Conducting behavioural audits of UXUI, journeys, and content.
Developing behavioural personas and journey maps tied to clinical goals.
Applying frameworks like COMB, TDF, BCT taxonomies, and intervention mapping to shape our approach.
Creating behavioural intervention strategies using logic models, behavioural triggers, and habit formation techniques.

Driving Strategic Integration
Working within a crossfunctional product squad, embedded in the Behavioural Medicine function.
Contributing to key planning sessions, design sprints, and decisionmaking forums.
Collaborating on AI and human coaching strategies to support longterm behaviour change.

Leading Measurement & Validation
Defining behavioural outcomes and developing metrics to evaluate success.
Designing experimental validation plans, including AB tests and engagement analysis.
Supporting clinical research with integrated behavioural components.
Conducting competitor benchmarking to identify opportunities for differentiation.

We’re looking for someone who has:
Deep expertise in applied behavioural science within digital health or adjacent fields.
Handson experience with behavioural experimentation, including AB testing, cohort analysis, and outcome measurement.
Strong working knowledge of COMB, TDF, BCT and related behavioural design models.
A track record of designing interventions focused on longterm engagement and habit development.
Experience developing behavioural strategies aligned to preventative health or other clinical domains (e.g., obesity, hormonal, or sexual health).
A collaborative mindset—able to work across product, UX, clinical, and engineering teams.
Confidence in communicating behavioural science concepts across functions.
A passion for empowering patients through preventative health solutions.
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 dogfriendly 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 on 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 isnt just our goal; its our strength, driving us towards a more inclusive future.