Hims And Hers

Sr. Data Scientist

London, England, Remote. Posted 2 months ago

The role

You will translate complex business challenges into scalable data products and machine learning models. You will own the complete model lifecycle from data extraction to deployment and work with Product, Engineering, and Business stakeholders.

What you will do

  • Build machine learning models from scratch in a 0-to-1 environment
  • Own the complete model lifecycle including extraction, feature engineering, deployment, A/B testing, and monitoring
  • Partner with Engineering, Product, and Finance teams to define requirements and translate outputs into insights
  • Write clean, modular, and production-ready code
  • Participate in peer code reviews and contribute to technical best practices
  • Break down complex project requirements into executable milestones
  • Provide technical guidance and support to junior data scientists and analysts

Required qualifications

  • 5+ years of applied experience in Data Science or ML Engineering
  • Strong expertise in Python and SQL
  • Deep familiarity with the Python data stack (pandas, NumPy, scikit-learn)
  • Familiarity with standard ML frameworks (such as PyTorch, XGBoost, or LightGBM)
  • Experience working in cloud-based environments (AWS or GCP)
  • Familiarity with CI/CD workflows, version control (Git), and ML Ops principles
  • Ability to explain technical concepts and model limitations to non-technical stakeholders
  • BS, MS, or equivalent experience in a quantitative field (Data Science, Statistics, Economics, CS, Applied Math, etc.)

Nice to have

  • Experience taking the very first machine learning models from exploratory notebooks to automated production pipelines
  • Customer Behavior & Propensity Modeling (churn, propensity-to-buy, lead scoring, or lifetime value)
  • Applied Forecasting (time-series forecasting, anomaly detection, or handling non-stationary data)
  • Optimization (marketing spend, inventory management, or resource allocation)
  • Causal Inference (designing robust experiments like quasi-experiments or difference-in-differences)

Benefits

  • talent-first flexible/remote work approach

About the company

Hims & Hers is a health and wellness platform that provides access to personalized care. It is a public company traded on the NYSE.

Sr. Data Scientist at Hims And Hers | JobZoey