Senior Manager, Data Science and Machine Learning

Squarespace is hiring a Senior Manager, Data Science and Machine Learning to lead the team behind predictive models, causal inference frameworks, and AI evaluation systems. These tools inform customer acquisition, retention, and service at scale. Reporting to the VP of Data, you’ll lead a team of 12 data scientists and ML engineers. You will work closely with product, engineering, and analytics partners to introduce new ways to leverage data in products and decision systems.

Responsibilities:

• Lead and develop a team of 12, including three direct reports who manage their own teams
• Set technical and strategic direction for predictive modeling, causal inference, and AI evaluation
• Apply data science to growth levers: marketing measurement, sales growth, product optimization, customer support allocation, and risk and credit modeling
• Partner with leaders to translate complex statistical and ML work into decisions and systems driving growth
• Build systems, processes, and team culture for high-quality and speedy data science delivery
• Evolve the team's ML infrastructure and tooling as AI capabilities grow

Requirements:

• 12+ years in data science or machine learning, including experience leading technical teams
• 5+ years managing managers, with demonstrated ability to develop senior individual contributors and team leads
• Hands-on experience building or overseeing production predictive models, causal inference frameworks, or AI evaluation systems
• Skill at aligning product, engineering, and business partners around a shared roadmap
• Experience scaling a data science or ML function, including team structure, hiring, and technical standards

Nice to Have:

• Experience building or overseeing LLM evaluation harnesses
• Familiarity with prompt and model lifecycle management in production
• Experience designing human-in-the-loop review for AI-driven features
• Background in marketing science, experimentation, or credit/risk modeling

Benefits & Perks:

• Medical plans with 100% covered premiums
• Supplemental Life and Disability Insurance plans
• Fertility and adoption benefits
• Headspace mindfulness app subscription
• Global Employee Assistance Program
• Retirement benefits with employer match
• Flexible paid time off
• 12 weeks paid parental leave and family care leave
• Pretax commuter benefit
• Education reimbursement
• Employee donation match
• 7 Global Employee Resource Groups (ERGs)
• Dog-friendly workplace
• Free lunch and snacks
• Private rooftop
• Hack week twice per year

Cash Compensation Range: $223,000 - $358,800 USD