Senior Data Scientist – Health/Behavior Data

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Washington / $110000 - $140000 annum

INFO

Salary
SALARY:

$110000 - $140000

Location

LOCATION

Washington

Job Type
JOB TYPE

Permanent

Senior Data Scientist

Healthcare | Human Behaviour | Predictive ML

Washington, D.C. | Hybrid (Tues & Thurs in-office)

Up to $140,000 + Equity + Benefits

Are you passionate about applying machine learning to real-world healthcare challenges? Want to help decode why patients behave the way they do, and use that to improve health outcomes at scale?

Harnham is working with a mission-driven, human-centric AI company using cutting-edge behavioural data and predictive modelling to transform healthcare delivery. Their proprietary platform delivers deep insight into what drives patient decisions, and they're looking for a Senior Data Scientist to lead the next evolution of this powerful asset.

THE ROLE

As a Senior Data Scientist, you'll own the development of their flagship socio-behavioural data product - refining large-scale ML models, integrating new datasets (including geospatial data), and leading scientific validation. You'll collaborate across Product, R&D, and Client teams to embed behavioural intelligence into pharma solutions that drive real-world impact.

This is a high-impact, strategic role in a fast-paced, purpose-led start-up environment.

YOUR RESPONSIBILITIES

  • Lead the ML development and validation of a large-scale socio-behavioural data product
  • Build and optimize hundreds of models using Python and Databricks
  • Identify and integrate novel data sources to enrich behavioural insights
  • Collaborate cross-functionally to bring insights into real-world pharma use cases
  • Ensure fairness and scientific rigour in all models, especially across diverse populations

YOUR SKILLS

  • 5+ years of experience building ML models using large healthcare or behavioural datasets
  • Expert-level Python and strong Databricks proficiency
  • Deep interest in behavioural science and its impact on health outcomes
  • Strong technical voice with a hands-on approach to scalable data science
  • Thrives in a collaborative, entrepreneurial setting

WHAT'S ON OFFER?

  • Up to $140,000 base + Equity
  • Unlimited PTO + 11 holidays
  • 401k employer match
  • Hybrid working: 2 days/week in D.C. office

If you are interested, Apply!

CONTACT

Luc Simpson-Kent

Senior recruitment Consultant

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