Tonal · 5 hours ago
Senior Data Scientist
San Francisco Bay Area
Full-time
Hybrid
Mid, Senior Level
$170K/yr - $190K/yr
3+ years expTonal is a company focused on innovative fitness solutions, and they are seeking a Senior Data Scientist to drive causal and machine learning-based analyses. The role involves collaborating with product and analytics teams to develop causal frameworks, define KPIs, and create high-quality visualizations that support decision-making.
Artificial Intelligence (AI)Consumer ElectronicsFitnessMachine LearningPersonal Health
Responsibilities
Design, implement, and productionalize statistically rigorous causal analyses to quantify the impact of product features on user behaviors, engagement metrics, and downstream business outcomes
Develop and maintain causal frameworks that link product interventions to behavioral change, engagement shifts, and business performance
Select and apply appropriate experimental and observational methods, leveraging regression- and ML-based approaches where appropriate to control for confounding and heterogeneity
Validate causal findings through robustness checks, sensitivity analyses, and clear articulation of assumptions and limitations
Translate results into clear, actionable recommendations that inform product strategy, marketing decisions, and executive-level prioritization
Develop analytical notebooks and workflows that are reproducible, scalable, and suitable for deployment in production environments
Partner with product and cross-functional stakeholders to define feature-level engagement and efficacy KPIs aligned with business objectives
Incorporate model-derived signals (e.g., predicted engagement, risk scores, uplift estimates) into KPI frameworks where appropriate to improve measurement and decision-making
Implement testing, documentation, and versioning practices to ensure KPI definitions are reliable, discoverable, and consistently interpreted
Maintain metric documentation and metadata to support self-service analytics and cross-functional consumption
Design and deliver high-quality visualizations in Looker and Databricks that clearly communicate analytical and ML-driven insights without requiring supplemental explanation
Ensure visual outputs are intuitive, decision-oriented, and aligned with established data visualization best practices
Incorporate generative AI capabilities into visualization and analytics assets where appropriate to improve interpretability and cross-functional adoption
Support visualization governance by implementing CI/CD workflows, validation checks, and approval processes to ensure production dashboards meet quality and consistency standards prior to release
Qualification
Required
Strong statistical experience in causal inference methods like Difference in Difference, propensity score matching, regression discontinuity analysis, and randomized control trials to help link product changes to business outcomes
Applied experience building and evaluating machine learning models for prediction, segmentation, or uplift in a product or business context
Ability to develop reproducible, scalable analytical notebooks and workflows that transition effectively from development to production environments
Experience partnering with product teams to define feature-level KPIs and building robust, well-documented dbt models to expose those metrics across analytics layers
Strong track record of creating clear, decision-oriented visualizations in tools such as Looker and Databricks that communicate insights unambiguously to cross-functional stakeholders
3-5+ years of experience
Tools and libraries: dbt, databricks, statsmodels, scipy, scikit-learn, causalml, prophet
Languages: sql, python, r
Company
Tonal
Tonal is a smart home gym that uses artificial intelligence and coaching to provide strength training.
501-1000 employees
H1B Sponsorship
Tonal has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (3)
2023 (5)
2022 (10)
2021 (3)
Funding
Current Stage
Late StageTotal Funding
$580MKey Investors
Cobalt Capital,Dragoneer Investment Group,Kindred Ventures,L Catterton,Transformational HealthcareDragoneer Investment GroupL Catterton
2023-04-10Series Unknown· $130M
2021-03-31Series E· $250M
2020-09-17Series D· $110M
Leadership Team
Darren MacDonald
Chief Executive Officer
Troy Taylor
Vice President, Performance Innovation & Healthcare
Recent News
Crunchbase News
2026-01-22
Company data provided by crunchbase