Director, Marketing Data Science Remote (U.S.)

Overview Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It's 2026 and paying rent on time is expensive, inflexible, and difficult. Flex enables users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower renters with flexibility over their most significant recurring expense. After building investor support and an enthusiastic user base, we are looking for motivated individuals to help us grow. We are seeking a Head of Marketing Data Science to lead the vision, strategy, and execution of marketing analytics and data science at Flex. Role and Responsibilities As the Director of Marketing Data Science, you will lead a high-impact team of data scientists and analysts responsible for driving advanced analytics, experimentation, and machine learning solutions across lifecycle marketing, performance marketing, and growth initiatives. You will serve as a strategic thought partner to executive leadership and marketing stakeholders, shaping acquisition, engagement, retention, and monetization strategies through data-driven insights. You will oversee initiatives spanning marketing experimentation and incrementality testing, attribution and measurement frameworks, predictive customer and revenue modeling, and optimization of channel performance and lifecycle programs. You will bring deep technical expertise and strong people leadership, guiding the team through complex, high-impact problems at the intersection of marketing strategy, business outcomes, and scalable data science. Key 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. Apply machine learning approaches to improve targeting, personalization, bidding, and lifecycle optimization. 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. Qualifications Required 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. Compensation and Location Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into tiers based on a cost of labor index. The successful candidate's starting pay will be commensurate with experience, qualifications, and Flex's internal leveling guidelines and benchmarks. Tier A (NYC/SF): $252,000—$315,000 USD Life at Flex 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 in New York City, with employees across the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. We are an equal opportunity workplace. Benefits for full-time employees Competitive medical, dental, and vision available from Day 1 Company equity 401(k) plan with company match (our company match kicks off at the beginning of 2026) Unlimited paid time off + 13 company paid holidays Parental leave Flex Cares Program Free Flex subscription Equal Opportunity and Privacy Flex is an equal opportunity employer. This description summarizes the key aspects of the role and does not form a contract. For government reporting purposes, we occasionally collect voluntary self-identification information. Providing this information is voluntary and its use is limited to compliance reporting; it will not affect hiring decisions. J-18808-Ljbffr