Staff Data Scientist

A Principal Data Scientist at Toast will lead the design and development of scalable ML systems for menu recommendation, demand forecasting, offer targeting, and guest personalization.

Responsibilities

• Own the full machine learning lifecycle—from problem framing and data exploration to modeling, deployment, and monitoring—for mission‑critical initiatives.
• Design and implement advanced ML and statistical models that improve product performance, operational efficiency, or customer insights.
• Collaborate with engineers, product managers, and business stakeholders to define project scope, success metrics, and integration strategy.
• Guide architectural decisions, set modeling standards, and champion best practices for experimentation, validation, and productionization.
• Mentor other data scientists and raise the technical bar through design reviews, feedback, and sharing domain expertise.
• Proactively identify areas...