[Remote] Staff GTM Data Scientist

Note: The job is a remote job and is open to candidates in USA. Harnham is partnering with a fast-growing SaaS company to find a Staff Data Scientist for a senior, high-visibility role that influences the product and go-to-market strategy. The role involves driving data-driven decision making, owning the experimentation roadmap, and translating complex statistical findings for leadership.ResponsibilitiesOwning and advancing the company's experimentation roadmap, focusing on high-leverage questions around customer workflows, churn risk, and long-term valueDesigning and analysing complex A/B tests, multivariate experiments, and Bayesian methods to assess the real impact of product and business changesApplying causal inference techniques (DiD, synthetic control, propensity score matching, instrumental variables) where traditional RCTs aren't feasibleBuilding and governing a unified KPI framework that connects product health metrics to business outcomesPartnering with Data Engineering to build scalable, self-serve experimentation tooling and reusable analytical frameworksTranslating complex statistical findings into clear, compelling narratives for VP and C-suite audiencesMentoring and training junior and mid-level data scientists on experimental design and causal modellingSkills6+ years in applied data science, economics, or product analyticsProven expertise in causal inference: DiD, PSM, instrumental variables, quasi-experimentationDeep experience in A/B testing methodology including sequential testing, CUPED, variance reduction, and network effectsAdvanced SQL and Python or R for statistical modellingExperience with Snowflake or similar cloud data warehousesExceptional communication skills, comfortable presenting to and influencing C-suite stakeholdersDemonstrated ability to drive change in organisations where experimentation culture is still maturingExperience with dbt, Airflow, or DatabricksBackground in SaaS and product data scienceCompany OverviewHarnham has actively chosen to focus on Data and Analytics. It was founded in 2006, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is https://www.harnham.com/us.Company H1B SponsorshipHarnham has a track record of offering H1B sponsorships, with 1 in 2024. Please note that this does not guarantee sponsorship for this specific role.