Staff Data Scientist (AI)

Location: Remote, based in the United States

Salary: $152,000–$282,000 per year, plus equity

Company

hirify.global develops financial products and tools that help people make informed financial decisions.

What you will do

• Design and implement causal inference frameworks for personalization, marketing, and lifecycle interventions.
• Establish methodologies for incrementality, experimentation, and measurement across channels and product surfaces.
• Build and scale user-level and cohort-based LTV models for real-time decisioning.
• Develop and deploy personalization and machine learning models for ranking, offer selection, content sequencing, marketplace optimization, partner routing, and budget allocation.
• Define data instrumentation, feature stores, model monitoring, and real-time inference architecture with Data Engineering and Platform teams.
• Set technical standards, mentor data scientists, and communicate analytical trade-offs to Product, Engineering, Marketing, Finance, and executive stakeholders.

Requirements

• 8+ years of experience in applied machine learning, causal inference, experimentation, or related quantitative fields.
• Deep expertise in causal inference, including uplift modeling, doubly robust learners, instrumental variables, difference-in-differences, synthetic control, and Bayesian time series.
• Experience building and operationalizing LTV models for real-time or near-real-time applications.
• Strong production ML and software engineering skills with Python, PySpark, advanced SQL, scikit-learn, LightGBM, or XGBoost.
• Experience with distributed systems, modern data platforms, experimentation frameworks, A/B testing, statistical diagnostics, version control, and ML lifecycle tools.
• Ability to influence cross-functional and executive stakeholders and operate strategically in ambiguous, high-impact problem spaces.

Nice to have

• Experience with marketplace optimization, ranking systems, or auction-based environments.
• Familiarity with contextual bandits, reinforcement learning, or sequential decision-making.
• Knowledge of streaming architectures, orchestration tools, and feature stores.
• Domain experience in fintech, marketplaces, growth, or performance marketing.

Culture & Benefits

• Flexible remote and in-office work environment with support for employee well-being and development.
• Medical, dental, and vision coverage, mental health support, and flexible paid time off.
• New parent leave, paid sabbatical after five years, and quarterly volunteer time off with company matching.
• Wellness, phone, Wi-Fi, home office equipment, and coworking stipends; Wi-Fi and home office stipends apply to remote employees.
• 401(k) with a 4% company match, FSA and HSA plans, disability and life insurance, and access to a Certified Financial Planner.
• Employee resource groups, hackathons, team events, and company-wide initiatives.