Senior Data Scientist, ML (Brokerage)

Unchain Data; California (MO); Hybrid; USD 187,000 - 220,000; Full time

Benefits offered by this job

Health insurance

Equity ownership

401(k) matching

Catered meals

Job summary

Robinhood seeks a Senior Data Scientist, ML to lead the development of personalized recommendation systems for prediction markets. You will partner with product, engineering, and data science teams to design modeling approaches and deploy production-ready solutions that enhance customer engagement.

Based in our US offices, the role emphasizes hands-on coding in Python and SQL, experimentation and causal inference, and ownership from concept to implementation. In-person collaboration is valued.

Qualifications

• 5+ years of experience building recommendation systems in customer-facing products.
• Proficiency in Python and SQL with strong experience with machine learning systems and production modeling.
• Experience with experimentation methods and causal inference to evaluate model performance.
• Clear communication and effective collaboration with product, engineering, and data science partners.
• Demonstrated ownership by driving projects from concept through implementation.

Responsibilities

• Build and improve recommendation system algorithms to personalize customer experiences across prediction markets and other product surfaces.
• Partner with product managers to identify areas for personalization and define measurable success criteria.
• Develop features and models that improve relevance and user interaction with our prediction markets offerings.
• Collaborate with software and machine learning engineers to design and implement scalable feature pipelines and the ranking systems.
• Design and run experiments to evaluate model performance and measure incremental impact on customer engagement.

Skills

Python

SQL

Recommendation systems

Experimentation

Causal inference

Communication

Ownership

Machine Learning systems

Tools

Machine Learning systems

Job description

About Us

Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. We are building an elite team, applying frontier technologies to the world's biggest financial problems. We're looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn't a place for complacency, it's where ambitious people do the best work of their careers. We're a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards.

About the Role

The Brokerage Data Science team uses data to inform automated modeling decisions and generate insights that guide product and business strategy. The team works closely with product, engineering, and operations partners to improve how customers engage with Robinhood's platform. You'll contribute to shaping personalized product experiences that support customers throughout their investing journey.

As a Senior Data Scientist, ML, you will lead the development of recommendation systems for prediction markets, one of Robinhood's fastest-growing areas. You will work closely with product managers and engineers to identify opportunities for personalization, design modeling approaches, and implement solutions that improve customer engagement. This role starts with building personalization for prediction markets and will expand to additional product surfaces as the strategy evolves.

This role is based in our Menlo Park, CA and New York, NY office(s), with in-person attendance expected at least 3 days per week. At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams.

Responsibilities

• Build and improve recommendation system algorithms to personalize customer experiences across prediction markets and other product surfaces
• Partner with product managers to identify areas for personalization and define measurable success criteria
• Develop features and models that improve relevance and user interaction with our prediction markets offerings
• Collaborate with software and machine learning engineers to design and implement scalable feature pipelines and the ranking systems
• Design and run experiments to evaluate model performance and measure incremental impact on customer engagement

Requirements

• 5+ years of experience building recommendation systems in customer-facing products (e.g., streaming, marketplace, or on-demand platforms)
• Proficiency in Python and SQL with strong experience with machine learning systems and production modeling
• Experience with experimentation methods and causal inference to evaluate model performance
• Clear communication and effective collaboration with product, engineering, and data science partners
• Demonstrated ownership by driving projects from concept through implementation

Benefits

• Challenging, high-impact work to grow your career
• Performance-driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
• Best-in-class benefits including 100% paid health insurance for employees with 90% coverage for dependents
• Lifestyle wallet — a highly flexible benefits spending account for wellness, learning, and more
• Employer-paid life and disability insurance, fertility benefits, and mental health benefits
• Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
• Exceptional office experience with catered meals, events, and comfortable workspaces

Compensation

In addition to the base pay range listed below, this role is also eligible for bonus opportunities, equity, and benefits.

Base pay for the successful applicant will depend on a variety of job-related factors, which may include education, training, experience, location, business needs, or market demands. The expected base pay range for this role is based on the location where the work will be performed and is aligned to one of 3 compensation zones. For other locations not listed, compensation can be discussed with your recruiter during the interview process.

Zone 1 (Menlo Park, CA; New York, NY; Bellevue, WA; Washington, DC)
$187,000 — $220,000 USD

Zone 2 (Denver, CO; Westlake, TX; Chicago, IL)
$165,000 — $194,000 USD

Zone 3 (Lake Mary, FL; Clearwater, FL; Gainesville, FL)
$146,000 — $172,000 USD