Senior Data Engineer - Homes.com - Arlington, VA

CoStar Realty Information, Inc.; Virginia (MN); On-site; USD 128,000 - 190,000; Full time

Job summary

Homes.com is seeking a Senior Data Engineer in Arlington, VA to design and build scalable data pipelines, data platforms, and analytics solutions. You will work across departments to deliver data infrastructure using Databricks, Snowflake, BigQuery, and AWS, applying AI-assisted practices to improve engineering productivity and data quality.

This role offers a Mon–Thu in-office schedule with the option to work from home on Friday, and involves mentoring engineers, building dashboards, and

Qualifications

• Bachelor's degree from an accredited college/university.
• 6 years of hands-on software development experience.
• Strong data engineering skills with Python, PySpark and SQL.
• Proven ability to design and launch data-driven products at terabyte scale.
• Experience with enterprise data platforms and cloud data services.
• Knowledge of BI software and AI tooling in development.

Responsibilities

• Design and oversee dimensional modeling, database design, and cloud data platform structures (Databricks, Snowflake, BigQuery).
• Develop data platform framework to build secure data warehouses and datalakehouses applying Medallion Architecture.
• Design, develop, and maintain scalable data pipelines and ETL processes using Databricks, Snowflake, and AWS services.
• Implement and optimize Spark jobs, data transformations, and processing workflows in Databricks.
• Build and deploy AI/ML models; integrate ML into data pipelines to drive insights.
• Define AI-assisted software development practices to improve productivity and code quality.

Skills

Python

PySpark

SQL

Data Modeling

ETL

Spark

AI/ML basics

Education

Bachelor's degree

Tools

Databricks

Snowflake

BigQuery

AWS

Power BI

Job description

US-VA Arlington

Full time

R39636

Senior Data Engineer - Homes.com - Arlington, VA

Job Description

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 to our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

Homes.com

Homes.com is already one of the fastest growing real estate portals in the industry; we are driven to be #1. Just ask Brad Bellflower, Chief Change Officer at Apartments.com. After its acquisition in 2014, Apartments.com quickly turned into the most popular place to find a place. Proven success at the highest level -- and we're doing it again with the new Homes.com. Homes.com is a CoStar Group company with 20 years' experience in leading and growing digital marketplaces. We pride ourselves on continually improving, innovating, and setting the standard for property search and marketing experiences. With Homes.com we're building a brand on the cusp of defining the industry. We're looking for big thinkers, brave leaders, and creative advertising wizards ready to influence a new age of homebuying within a tried-and-true, award-winning company.

Learn more about Homes.com (https://www.homes.com/about/) .

Homes.com is growing quickly and we're looking for a Senior Data Engineer to help accelerate our growth. This role will be responsible for helping build out sitewide tracking architecture on Homes.com and then feeding that data into user-friendly KPI dashboards which track site performance and product usage and provide day-to-day insights into consumer behavior. This individual will help build and deliver the data engineering architecture for Homes.com and work across all departments to provide analysis and insights for future growth. You will be part of various aspects of our data management, ranging from designing and maintaining automated data infrastructure and delivering Data engineering and Analytics solutions to facilitating data access and analysis for key company teams.

CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. Successful candidates will demonstrate a willingness to learn, adopt, and apply AI technologies responsibly to solve complex business and engineering challenges.

This position is located in Arlington , VA and offers a schedule of Monday to Thursday in the office and the option to work from home on Friday.

Responsibilities

• Design and Oversee implementation of dimensional modeling, database design, and cloud data platform structures (e.g., Databricks, Snowflake,BigQuery)

• Develop data platform framework to build secure data warehouses and datalakehousesapplying principles of Medallion Architecture

• Design, develop, andmaintainscalable data pipelines and ETL processes using Databricks, Snowflake, and other AWS services

• Implement andoptimizeSpark jobs, data transformations, and data processing workflows in Databricks

• Building and deploying AI/ML models: Integrate Machine Learning into data pipelines, leverage Databricks ML and AWSML to develop predictive models and drive business insights

• Define and Apply AI-assisted software development practices to improve engineering productivity and code quality

• Understandvarious data domains and be ableto translate themthrough data transformationsto suit various business needs

• Oversee automated data infrastructure: Collaborate with software engineering and product teams to streamline data tracking in our products

• Ability to integrate data from disparate sources via cross domain data stitch into existing data model

• Implement data governance, lineage tracking, testing, and monitoring frameworks to guarantee data integrity

• Hands-on data optimization and query performance

• Liaise with key company teams(DBA, DevOps, SecOps...)for data accessibility and analysis

• Mentor and manage engineers and analysts in the normal execution of their responsibilities.

• Successfully implement software development projects to specification and within scheduled timelines and budget parameters

• LeverageAWSDevOps and CI/CD best practices to automate the deployment, through terraform,and management of data pipelines and infrastructure.

Basic Qualifications:

• Bachelor's degreerequiredfrom an accredited, not-for-profit, in-person college/university

• A track recordof commitment to prior employers

• 6 years of hands-on experience in software development, delivering high-quality solutions

• Strengthin Data Engineering, with strongproficiencyin Python,PySpark, and SQL

• Solid foundation in Object-Oriented Programming principles and best practices

• Demonstrated success in building and launching data-driven productsoperatingat terabyte scale

• Proven record of designing and implementing Enterprise Level secure, andaccurateData platform

• Ability to translate technical requirements into robust architecture, data models, and ETL strategies

• Practical experience with cloud-based databases, including both relational and non-relational systems

• Knowledge of business intelligence software (i.e.Power BIor similar tools)

• Understanding of AI technologies and hands-on experienceleveragingAI tooling in development (Claude Code, GitHub Copilot, Cursor, Gemini, Grok)

• Ability to retrieve, synthesize, and present critical data instructuresthat isimmediatelyuseful to answering specific ad-hoc questions

• Hands-on data experience on optimization, data quality checks, dataaccuracyand query performance improvement

Preferred Qualifications:

• Hands-on experience or familiarity with big data platforms such as Databricks or Snowflake

• Proficiencywith cloud platforms, including AWS or Azure

• Experience working with NoSQL databases (e.g., DynamoDB) and object storage systems (e.g., Amazon S3, GCS, etc.)

• Practical knowledge of event streaming technologies, especially Kafka

• ExperienceleveragingAWS compute and container services for scalable solutions

• Familiarity with large language models (LLMs), prompt engineering, or agent-based architectures

• Great analytical and problem-solving skills, with the ability to tackle complex technical challenges

• Strong Ability to understandtechnicalchallenges and complex designs, andcommunicateinto simple business ideas, or solutions with senior management/stakeholders

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) retirementplanwith 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

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.

Base Compensation: $128,000 - $190,000 (Annually)

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.

#LI-AV1

#Homes.com

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 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 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] .