Staff Data Scientist (AI)

Location: San Diego, CA or San Francisco, CA; candidates must be located in the San Francisco Bay Area and work in the office 3 days per week.

Annual U.S. salary range: $179,500–$269,500, plus equity, benefits, and possible geolocation differentials.

Company

hirify.global operates a community fundraising platform that connects individuals and nonprofits to help people support causes and each other.

What you will do

• Lead high-impact data science initiatives across marketing, growth, and product from problem definition through recommendations.
• Set technical strategy and best practices for experimentation, causal measurement, modeling, AI-assisted development, and decision science.
• Design and analyze experiments and quasi-experiments, including frameworks for incrementality, treatment effects, and long-term business value.
• Develop machine learning, uplift, heterogeneous treatment effect, and adaptive experimentation models for targeting, personalization, lifecycle optimization, audience strategy, budget allocation, and product decisions.
• Evaluate acquisition, retention, ROI, user journeys, funnels, marketplace dynamics, donation conversion, and engagement with cross-functional partners.
• Improve instrumentation, data quality, experimentation infrastructure, reusable workflows, and team capabilities while mentoring data scientists and analysts.

Requirements

• 8+ years of experience leading data science, applied statistics, or machine learning projects with measurable business impact.
• Master’s degree or Ph.D. in a quantitative field, or equivalent applied experience with a bachelor’s degree.
• Experience with marketing, growth, marketplace, and/or product optimization problems.
• Strong command of statistical inference, causal inference, uplift modeling, heterogeneous treatment effects, treatment/control frameworks, and incrementality measurement.
• Experience applying machine learning to targeting, personalization, segmentation, recommendation, lifecycle optimization, or similar problems.
• Familiarity with adaptive experimentation, including frequentist A/B tests, multi-arm bandits, contextual bandits, or related optimization methods.
• Advanced proficiency with SQL and Python for data extraction, transformation, modeling, and analysis.
• Experience using AI-assisted tools to improve analysis, coding, iteration, and communication quality.
• Ability to define technical strategy, identify reusable patterns, improve data science quality across teams, manage stakeholders, communicate clearly, present to executives, and mentor technical team members.

Nice to have

• Experience with media mix modeling, multi-touch attribution, channel incrementality, forecasting, budget allocation, optimization, or ROI modeling.
• Experience with Amplitude, Google Analytics, Optimizely, GrowthBook, or similar web, mobile, product, or marketplace analytics tools.
• Familiarity with Snowflake, Databricks, dbt, Airflow, Git, Looker, Tableau, or similar modern data platforms and workflows.
• Experience operationalizing AI or machine learning workflows with engineering partners.

Culture & Benefits

• Mission-driven, collaborative, diverse, and fast-paced work environment focused on helping people and communities.
• Competitive pay, comprehensive healthcare, dental and vision coverage, life insurance, and a 401(k) savings program.
• Financial assistance for hybrid work and family planning, generous parental leave, flexible time off, and mental health and wellness resources.
• Learning, development, recognition, diversity and inclusion, employee resource group, and volunteering programs.
• Equal opportunity employment with reasonable accommodation available during the application and interview process.

Hiring process

• Contact hirify.global for reasonable accommodation during the application or interview process if needed.
• For applicable New York City processes, Metaview may assist with evaluating submitted qualifications; candidates may request an alternative selection process or accommodation.