Senior Data Scientist

About Mainstay

Are you ready to be a part of something groundbreaking? Mainstay is the leading market intelligence platform purpose-built for buying, managing, and selling homes in the single-family rental industry. We empower informed decision-making and unlock opportunities for owners, operators, and residents by aggregating and standardizing data from over 50 unique sources. Originally founded within Opendoor, Mainstay launched as an independent company in 2024, driven by our mission to simplify the complex and bring clarity and trust to the single-family rental ecosystem. Join us as we reshape the future of the industry!

About the team

At Mainstay, we’re focused on transforming the single-family rental industry by providing cutting-edge market intelligence solutions. Our Data team plays a key role in this mission, driving data-driven decisions across the company. They work closely with Product, Engineering, and Leadership to shape strategy and fuel product development. The team takes pride in tackling complex challenges, fostering innovation, and helping each other succeed as they develop insights that make a real impact on the business.

What you'll do

As a Senior Data Scientist, you will play a key role in driving business outcomes through advanced statistical and machine learning techniques. You'll develop data products, conduct in-depth analyses, and deliver insights to inform decision-making. This role allows you to collaborate across teams, solve complex business problems, and make a meaningful impact on the company's strategic direction. 

You are expected to:

• Model Development: Build and refine statistical and machine learning models to drive business outcomes.

• Data Products: Develop self-service data products providing insights into market dynamics and competitive benchmarks.

• Business Insights: Conduct analyses to identify growth opportunities and drive data-driven recommendations.

• Cross-Functional Collaboration: Partner with leadership, product, and engineering teams to execute experiments and scale platform strategies.

• Tool Development & Visualization: Build analytical tools and dashboards to communicate findings to both technical and non-technical stakeholders.

What we're looking for

• 5+ years of industry experience post-academia, with an advanced degree in a quantitative field.

• Expertise in statistical inference, study design, and machine learning modeling.

• Proficiency in Python, SQL, and numeric programming languages.

• Ability to manage, clean, and transform evolving datasets to derive accurate insights.

• Ability to create compelling dashboards and visual narratives for communicating insights.

Bonus points if you have:

• Experience in real estate or financial services.

• Background in optimization, causal inference, or macroeconomic modeling.

• Analytic Engineering: Experience in transforming raw data into accessible, actionable insights for business decision-makers.

Compensation and Benefits

Mainstay’s compensation varies by U.S. geographic market to align with local labor costs. For most locations, the annual pay range for this position is $152,960–$215,100, while the base salary range for roles based in the SF Bay Area, Seattle, and New York City Metro area is $191,000–$239,000. Pay is based on location, skills, and experience, and your recruiter will confirm the specific range for your job location. Please note that remote roles are available in all U.S. states except Hawaii, Alaska, Montana, and U.S. Territories.

Benefits Package (for full-time employees only):

• Paid time off and 12 paid holidays annually

• Medical, dental, and vision insurance

• Basic life insurance

• 401(k) retirement plan

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Mainstay Built on Trust

At Mainstay, trust is at the core of everything we do. We build trust with everyone -- from candidates to employees to partners. We believe in fairness and openness throughout our hiring process, evaluating candidates based on qualifications without regard to race, color, religion, national origin, age, gender, marital status, disability, veteran status, sexual orientation, gender identity, or any other protected status. Our privacy practices describe how we handle applicant information, you can find the policy details for California residents here.

We are committed to providing reasonable accommodations throughout our recruitment processes for candidates with disabilities, pregnancy, religious beliefs, or other reasons protected by applicable laws. If you require assistance or a reasonable accommodation, please contact us at mainstay-recruiting@opendoor.com