Do you want to build a behavioural intelligence product using US population-scale dataHave you worked with survey + digital behavioural signals and want to turn that into a scalable data product?Are you a bold, product-minded Behavioural Scientist ready for a genuine R&D mandate?We’re partnering with a fast-growing behavioural healthcare analytics business (~40 people) with teams across Washington DC, London and Delhi. They sit at the intersection of behavioural science and data science, helping organisations understand what drives real-world healthcare behaviour (e.g. vaccine uptake, medication adherence, clinical trial participation) through large-scale datasets, modelling and insight products.This is a builder culture where curiosity, creativity and strong scientific thinking are genuinely valued.They’re hiring a Senior Behavioural Data Scientist to join a product/R&D team focused on the US market. You’ll work on high-impact research programmes translating behavioural datasets into usable benchmarks and recommendations for healthcare stakeholders.Up to £95k base + 10%+ bonus.Key responsibilitiesLead R&D projects focused on drivers of US healthcare behaviour at scaleDesign and run behavioural measurement approaches (survey + digital signals)Build statistical and predictive models (regression, segmentation, behavioural modelling)Translate findings into benchmarks, insights and recommendationsPartner with PM/DE to productise outputs into a robust data productCollaborate on evaluating and onboarding new data sourcesRequirementsPhD (minimum requirement)Strong academic background (Russell Group / top universities)2+ years post-PhD industry experienceStrong behavioural science grounding (intersection of behaviour + data)Experience with survey data and/or digital behaviour signalsAbility to code in Python and/or RProactive, creative, willing to take ownership (not risk-averse)Nice-to-haveHealthcare domain exposureConsumer behaviour analytics background (e.g. retail, marketplaces)Behavioural / political consultancy experienceSQLTech stackPython and/or RDatabricksSQL beneficial but not essentialLocation / working modelRemote-first modelCentral London (2 days a week)Current cadence may be 1x per month / 1x per quarter, but expectations will increase as the London office buildsWeWork access provided when required (as many days in as preferred)Occasional travel may be requiredInterested? Apply below.