Senior Engineer, Machine Learning
Virta Health6 hours ago
Base Salary
$162k - $233k/yr
Responsibilities
- Translate ambiguous clinical and operational questions into well-scoped machine learning tasks and establish strong baselines.
- Build and deploy predictive models for member engagement, coaching outreach, health trends, and personalized care experiences.
- Implement model-health logic including retraining triggers, drift and anomaly detection, continuous evaluation, and compliance considerations.
- Design offline and online evaluations, select metrics for imbalanced and delayed healthcare outcomes, and perform model error analysis.
- Develop causal ML models and partner on experiments using variance-reduction techniques such as CUPED and CUPAC.
- Create ML- and GenAI-derived signals that product teams can use in personalized coaching and member experiences.
- Lead complex ML initiatives across Applied AI, ML Ops, Product Engineering, and Product Analytics, while sharing practices that improve model quality and delivery.
Requirements
- 5+ years of experience building, evaluating, and deploying production-grade machine learning systems.
- Strong foundation in traditional machine learning, predictive modeling, tree-based models such as XGBoost, and time-series analysis on structured longitudinal data.
- Experience with rigorous statistical reasoning, offline and online evaluation, and identifying leakage, selection bias, and confounding in real-world data.
- Ability to clearly explain model behavior, tradeoffs, uncertainty, and limitations to technical and non-technical stakeholders.
- Experience designing and analyzing experiments to determine causal drivers of outcomes.
- Depth in one or more of causal ML and experimentation, recommendation/ranking systems, predictive modeling, or NLP/LLM-based systems.
- Ability to use AI-assisted development responsibly to accelerate and improve model development.
- Preferred experience with clinical or health-tech ML, regulated healthcare data, PHI, HIPAA-aware systems, and judgment about traditional ML versus LLM use.
Benefits
- Remote-first work arrangement with office hubs in Denver and San Francisco.
- Location-based compensation structure with a stated range of $161,500 to $232,500.
- Benefits information is provided on Virta’s Careers page.
- Employees handling sensitive patient information receive security and privacy training and are expected to follow HIPAA-related procedures.
Tech Stack
AWSXGBoost
Categories
About Virta Health
Virta Health provides a virtual metabolic care program that uses personalized nutrition therapy, remote monitoring, and clinician and coach support to help people with type 2 diabetes, prediabetes, and obesity. The company sells its program as a benefit to large employers, health plans, PBMs, and government organizations, aiming to lower medication use and costs. Founded in 2014 and headquartered in Denver, it is privately held.