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About the Role

We are seeking a Senior Data Engineer to design and deliver scalable data platforms that power high-volume, data-driven applications. This role focuses on building reliable data pipelines, enabling analytics at scale, and leveraging modern AI-assisted coding tools to improve engineering efficiency and quality.

Responsibilities

• Design, build, and maintain scalable data pipelines and data platforms
• Develop and optimize ETL/ELT processes for large, complex datasets
• Build and manage data solutions using Databricks and Spark
• Develop backend data services using C# / .NET
• Leverage AI-assisted coding tools (e.g., Claude Code) to accelerate development
• Design efficient data models and ensure high performance and reliability
• Collaborate with engineering, product, and DevOps teams to deliver production systems
• Ensure data quality, availability, and performance across systems
• Lead technical design decisions and mentor other engineers

Requirements

• Bachelor's degree required from an accredited, not-for-profit, in-person college/university
• A track record of commitment to prior employers.
• 5+ years of data engineering experience
• Strong experience with data pipelines and ETL frameworks
• Experience building and scaling large data systems
• Experience with AWS-based data platforms and services

Skills

• Databricks / Apache Spark
• C# / .NET
• SQL/database design
• AI/ML data pipelines
• AI-assisted development tools (Claude Code or similar)
• Streaming technologies (e.g., Kafka, Kinesis)
• CI/CD and DevOps practices

Location

• San Diego, CA

Work Type

• 4 days onsite and 1 day work from home

Experience Level

• Senior
• 5+ years

Education Level

• Bachelor's degree

Salary/Compensations

• $124,000 to $190,000 a year

Benefits

• Generous compensation and performance-based incentives
• Internal training
• Tuition reimbursement
• 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
• On-site fitness center and/or reimbursed fitness center membership costs
• Access to CoStar Group’s Employee Resource Groups
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

About the Company

• 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, 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.
• We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.
• We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors.
• We continue that effort today and are always working to improve and drive innovation.
• 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.

Equal Opportunity

• CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing