Skip to content

Search jobs inside your AI agent.

Grok Bot

Connect

Toast

Staff Data Scientist

Posted Updated
Discussion

Description

  • As a Staff Data Scientist, you’ll lead the design and development of scalable ML systems for use cases such as menu recommendation, demand forecasting, offer targeting, and guest personalization.
  • You will serve as a technical thought partner across teams, set best practices, and influence the roadmap for ML-driven products that support key business outcomes. Your work will directly shape strategic decisions and enhance customer experience at scale
  • 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 where data science can create business value and lead cross-functional efforts to drive those opportunities forward
  • Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team

Benefits

  • Peer and company recognition programs
  • Unlimited Vacation
  • Sabbatical opportunity after five years
  • Professional Development Reimbursement Program
  • Commitment to Employee Wellness through resources such as a quarterly Wellness Stipend
  • Various peer and company recognition programs
  • 401(k) and matching
  • Medical, Dental, & Vision Coverage
  • Mental Health Benefits
  • Subsidized backup childcare
  • Prior experience mentoring other data scientists or acting as a tech lead
  • Strong business acumen with the ability to align technical solutions with company goals
  • Strong grasp of software engineering principles including modular design, version control, testing, and CI/CD
  • Experience with distributed data processing and training, real-time inference, and ML Ops frameworks
  • Experience building services on top of LLMs in a large scale production environment
  • Hands-on experience with cloud platforms (preferably AWS), including tools like SageMaker, Athena, Glue, DynamoDB, and Bedrock
  • Deep knowledge of statistical modeling, machine learning (e.g., tree-based models, time series, deep learning), and model evaluation
  • 7+ years of experience in data science with a proven track record of delivering production ML systems that drive measurable impact
  • Proficiency in Python and SQL, and experience with ML frameworks (e.g., scikit-learn, PyTorch, TensorFlow)
  • Experience working with real-world product data at scale and translating ambiguous problems into well-scoped ML solutions
  • Experience leading experimentation (e.g., A/B testing), causal inference, and real-time decision systems
  • Excellent communication skills and the ability to influence both technical and non-technical stakeholders
  • An advanced degree in Computer Science, Statistics, or a related STEM field is preferred
  • Experience fine-tuning LLMs and applying reinforcement learning from human feedback (RLHF) to improve model performance and alignment
  • Familiarity with MLOps tooling for monitoring, drift detection, retraining, and explainability

Skills

What Staff Data Science jobs ask for — and how much of it you have →
Apply

See also

Data Science jobs by country — openings, pay and top skills →