Flex - Director, Marketing Data Science
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Requirements
• 10+ years of experience in data science, analytics, or applied statistics, with significant focus on marketing and growth. • Deep expertise in lifecycle analytics, performance marketing measurement, and attribution methodologies. • Strong foundation in data modeling, SQL, and analytics workflows, with hands-on experience scaling data systems. • Proven experience leading and mentoring data science or analytics teams. • Demonstrated ability to translate data insights into clear business impact and executive-level recommendations. • Preferred • Experience with machine learning models applied to marketing (e.g., LTV prediction, churn, targeting, optimization). • Familiarity with experimentation platforms, marketing tech stacks, and modern data warehouses. • Background in fintech, consumer tech, or high-growth digital businesses. • Experience partnering with senior executives and influencing company-level strategy. • Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. • Tier A (NYC/SF): $252,000—$315,000 USD • Tier A (NYC/SF): • Tier B: $226,800—$283,500 USD • Tier B: • Tier C: $214,200—$267,750 USD • Tier C: • We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. • We offer many employee benefits & perks. For full-time U.S based positions we offer: • Competitive medical, dental, and vision available from Day 1 • 401(k) plan with company match (our company match kicks off at the beginning of 2026) • Unlimited paid time off + 13 company paid holidays • Flex Cares Program • Free Flex subscription • For full time non-US employees, we offer • Competitive compensation + company equity
Responsibilities
• Own end-to-end marketing measurement across the customer lifecycle, performance marketing, and growth channels. • Design and evolve attribution and incrementality frameworks to drive efficient budget allocation and strategic decisions. • Define and maintain core marketing KPIs, dashboards, and reporting that enable clarity, accountability, and action. • Drive the evolution from descriptive analytics to predictive and prescriptive data science, including models for LTV, CAC, churn, and forecasting. • Build, lead, and mentor a high-performing marketing data science team, establishing best practices and technical rigor. • Act as a strategic partner to Marketing, Growth, Product, Finance, and executive leadership, clearly communicating insights and influencing investment decisions.
Benefits
• Competitive salary with equity options for eligible employees • Comprehensive health insurance plan including dental and vision coverage • Generous paid time off policy allowing up to 6 weeks of vacation annually plus holidays • Flexible work schedule, including the possibility of remote work two days a week
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