Behavioural Science Lead - AI

Why Oviva?

To build a healthier future for all! Our mission is to provide the most accessible and effective care to people living with weight-related conditions.

By blending behaviour change therapy with our unique technology and an incredible team of passionate individuals, we are creating affordable and accessible app-based healthcare programs to tackle diet-related health conditions such as obesity and Type 2 Diabetes.

We are the largest digital health provider treating diet-related conditions in Europe. With operations in the UK, Switzerland, Germany, and Poland, we’ve already supported over 1 million people - and we’re just getting started!

To further scale our growing impact, we are looking for a Behavioural Science Lead – AI, based in the UK, Germany, or Poland.

The Role

This is a unique opportunity to join Oviva at the intersection of behavioural science and artificial intelligence.

As our Behavioural Science Lead – AI, you will be embedded within our AI squads, contributing directly to the design, testing, and deployment of hyperpersonalised digital health interventions. Your work will empower AI-powered coaching and decision support tools that make care more effective, equitable, and scalable.

You will collaborate cross-functionally with data scientists, engineers, clinical leads, product managers, and content designers to bring evidence-based behavioural models into digital practice - making a measurable impact on how users engage, change, and succeed in their health journeys.

Requirements

• MSc or PhD in Behavioural Science, Health Psychology, or related discipline.
• At least 5 years of applied experience in digital behavioural interventions.
• Proven application of models like COM-B or BCW in product or AI contexts.
• Ability to distil complex concepts into clear, actionable product logic.
• Experience working with data teams and understanding experimental design.
• Strong communication skills and professional fluency in English.

Bonus points for:

• Experience in consumer health or medtech apps.
• Exposure to AI/ML lifecycle or adaptive digital journeys.

Responsibilities

• Design and validate behavioural components of our AI-driven personalisation engine.
• Translate behavioural models (COM-B, BCW, BCT taxonomy) into scalable product features.
• Partner with data and engineering teams to embed behavioural logic into algorithms.
• Define and lead experiments (e.g., A/B tests) to evaluate behavioural interventions at scale.
• Monitor behavioural engagement metrics and iterate to improve outcomes.
• Champion behavioural best practices within product and clinical teams.

Benefits

• A chance to transform healthcare at scale and shape next-generation solutions.
• Dynamic, purpose-driven role within a high-growth, supportive team.
• Training and development, including a personal learning allowance.
• Flexibility in when and where you work, plus a home office allowance.
• Competitive salary and pension contribution.
• Enhanced maternity, paternity & adoption leave.
• Attractive benefit package, which will be shared on the first interview stage (site-dependent).

Our Culture & Values

At Oviva, we take culture seriously. We live by three principles:

• We put the patient first
• We empower our teams
• We make it happen

We are proud to be a Disability Confident Employer and are passionate about creating an inclusive culture. We actively welcome applicants from all backgrounds, including underrepresented groups.

Ready to shape the future of digital health?

Apply now and join a team where your work truly matters.