> Markdown version of [/jobs/ext/3139992-lead-data-scientist-growth-experimentation](https://www.wearedevelopers.com/jobs/ext/3139992-lead-data-scientist-growth-experimentation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Data Scientist -- Growth & Experimentation - **Company:** Fullscript Inc. - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software as a Service, Python (Programming Language), Power BI, Standard Sql, Tableau (Software), Large Language Models, Marketplace, Looker Analytics - **Published:** September 29, 2026 - **Apply:** https://www.juju.com/job/16_40cf545b2 ## About the Role * 6+ years in data science, growth analytics, or quantitative business roles, with real depth in experimentation and causal inference - you've designed and shipped tests that changed business decisions * Strong SQL and Python, and comfort working directly in large, imperfect datasets without a support team * A track record of operating autonomously: scoping ambiguous questions, prioritizing your own roadmap, and driving work to a decision without close management * Executive-grade communication: you can walk a GM through why a metric moved and what to do about it, in plain language * Strong business judgment: you understand how growth, product usage, and operational drivers connect to revenue and contribution margin * Customer obsession: you instinctively ground analysis in how real practitioners and patients use the product, and treat understanding their behavior as the source of good decisions * Experience in marketplace, eCommerce, SaaS, or healthcare businesses at scale Bonus if you have * Experience partnering with FP&A or strategic finance teams * Experience building metric trees or driver-based performance frameworks * Hands-on use of AI tools (LLMs, agents) in your analytics workflow * Exposure to BI tools such as Sigma, Looker, Tableau, or Power BI * Experience mentoring or managing analysts