Director, Machine Learning

Overview CoStar Group (NASDAQ : CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. Our team is responsible for the development of CoStar's recommendation systems, personalization features, and user behavior analytics across our consumer marketplaces, including Homes.com, Apartments.com, and LoopNet. We are searching for a Director of Applied Machine Learning & Analytics to join our team and drive the full-lifecycle development of this critical platform. This position is in San Diego (UTC Area) and is in office Monday through Thursday with work from home on Friday.

Responsibilities Lead our team managers, ensuring their work drives measurable outcomes aligned with business goals.

Oversee development and execution of scalable data pipelines, APIs, and machine learning models that support performance, reliability, and user engagement at scale.

Set strategy for how we build and deliver recommendation systems, personalization, and analytics across high-traffic consumer marketplaces.

Work closely with product leadership to understand goals and translate them into technical plans the teams can execute.

Guide architectural decisions and ensure technical quality, without being hands-on in the code.

Track progress, remove blockers, and ensure teams are aligned and delivering on objectives.

Partner with technical leads across the organization to align on architecture, timelines, and execution plans.

Basic Qualifications Bachelor's Degree from an accredited, not-for-profit university or college.

12+ years of experience in software engineering, machine learning, analytics, or data infrastructure, with at least 5 years in a leadership role.

Experience managing managers or leading multiple teams.

Track record of leading teams that ship reliable, scalable, and performant software.

Strong foundation in software engineering principles, with a focus on building and delivering production systems.

Proven ability to deliver scalable systems for high-traffic consumer-facing applications.

Expertise with cloud architectures, especially in AWS and Databricks.

Proven ability to collaborate across product and engineering to translate business goals into scalable, production-ready systems.

Demonstrated success in building and maintaining a collaborative, high-performance, and positive team culture.

A track record of commitment to prior employers.

Preferred Skills Experience building recommendation systems or personalization features at scale.

Background in consumer marketplaces or other high-volume, user-facing platforms.

Strong software engineering foundation with a focus on production systems and delivery.

Experience with real-time data pipelines and performance-sensitive systems.

Experienced in coordinating cross-functional teams to deliver aligned product and engineering outcomes.

Experience identifying opportunities to apply AI to improve product features, decision-making, and internal workflows.

What's in it for you? When you join CoStar Group, you'll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement. Our benefits package includes (but is not limited to) :

Comprehensive healthcare coverage : Medical / Vision / Dental / Prescription Drug

Life, legal, and supplementary insurance

Virtual and in person mental health counseling services for individuals and family

Commuter and parking benefits

401(K) retirement plan with matching contributions

Employee stock purchase plan

Paid time off

Tuition reimbursement

On-site fitness center and / or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes

Access to CoStar Group's Diversity, Equity, & Inclusion Employee Resource Groups

Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

This position offers a base salary range from $258,000 to $348,000 a year, determined by relevant skills and experience, and a generous benefits plan.

Equal Employment Opportunity CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing. CoStar Group (NASDAQ : CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. We have been living and breathing the world of real estate information and online marketplaces for over 37 years, giving us the perspective to create truly unique and valuable products and services. We've continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry and for our customers. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate. CoStar is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. CoStar is also committed to compliance with all fair employment practices regarding citizenship and immigration status. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access www.costargroup.com / careers as a result of your disability. You can request reasonable accommodations by calling 1-855-840-1715 or by sending an email to recruiting@costargroup.com.

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