Senior Data Engineer

CoStar Realty Information, Inc.; San Diego (CA); On-site; USD 124,000 - 190,000; Full time

Benefits offered by this job

Healthcare

401K

Stock purchase plan

Tuition reimbursement

On-site fitness

Paid time off

Commuter benefits

Job summary

CoStar Group in San Diego, CA is seeking a Senior Data Engineer to design and deliver scalable data platforms powering high-volume analytics. The role focuses on reliable data pipelines, ETL/ELT processes, and modern AI-assisted coding tools to boost development efficiency.

Located in San Diego with a 4 days onsite, 1 day remote schedule, the position offers a base salary of $124,000 to $190,000 plus a comprehensive benefits package; visa sponsorship is not provided.

Qualifications

• Bachelor's degree from an accredited, in-person college/university.
• 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.

Responsibilities

• Design, build, and maintain scalable data pipelines and data platforms.
• Develop and optimize ETL/ELT processes for large datasets.
• Build and manage data solutions using Databricks and Spark.
• Develop backend data services using C# / .NET.
• Leverage AI-assisted coding tools to accelerate development.
• Design efficient data models ensuring 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.

Skills

Data pipelines

ETL/ELT

AWS

Databricks

Apache Spark

C# / .NET

SQL / DB design

Data modeling

Education

Bachelor's degree

Tools

Claude Code

Kafka

Kinesis

CI/CD tooling

Job description

Job Description

US-CA San Diego

Full time

R38930

Senior Data Engineer

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, CoStar Group is on a mission to digitize the world’sreal 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 perfectedour 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.

Role Description:

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 (e.g., Claude Code) to improve engineering efficiency and quality.

This position is located in San Diego, CA and has the work schedule of 4 days onsite and 1 day work from home.

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

Basic Qualifications:

• 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

Preferred Qualifications:

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

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 Employee Resource Groups
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply.However, please note that CoStar Group is not able to provide visa sponsorship for this position.

This position offersa base salary range from $124,000 to $190,000 a year, determined by relevant skills and experience, and a generous benefits plan.

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. 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 37 years, giving us the perspective to create truly unique and valuable products and services. We’ve continually refined, transformed and perfectedour 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 Group 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 Group 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 sending an email to [e-mail] .