Senior Database Engineer- Arlington, VA
CoStar Group2 months ago
Arlington, VA, USASenior
Base Salary
$147k - $190k/yr
Responsibilities
- Design and build data models, data pipelines, and cloud data architecture on Databricks, Snowflake, and AWS.
- Build and maintain high-volume ETL/ELT pipelines for analytics, operational reporting, and product features.
- Design dimensional models and database structures for predictable query performance.
- Tune SQL Server workloads, including stored procedures, execution plans, and index strategies.
- Integrate internal and external data sources into governed enterprise models.
- Build data quality, lineage, testing, monitoring, and observability frameworks.
- Optimize processing, storage, and query costs across large datasets.
- Apply SOX and audit controls, including change control, access control, and evidence capture, to financial data pipelines.
- Automate data infrastructure and data collection across CoStar products.
- Support production pipelines, identify root causes of failures, and prevent recurrence.
- Contribute to architecture decisions, establish engineering standards, and mentor other engineers.
Requirements
- Bachelor’s degree from an accredited, not-for-profit, in-person university or college is required; a degree in Computer Science, Software Engineering, Information Systems, or a related technical field is preferred.
- At least 5 years of experience in data engineering, backend engineering, or software engineering focused on data-intensive systems.
- Advanced SQL and strong programming skills in Python, Scala, or Java.
- At least 3 years of experience with a relational platform such as SQL Server or PostgreSQL, including query and index tuning.
- At least 2 years of experience building production solutions on Databricks, Spark, or an equivalent distributed processing platform.
- Experience with dimensional modeling, data warehouse design, data architecture, and large-scale ETL/ELT pipelines.
- Production experience with an orchestration tool such as Apache Airflow or Apache NiFi.
- Experience with software engineering practices including version control, automated tests, CI/CD, and code review.
- Experience with data quality validation, performance tuning, monitoring, and production support.
- Ability to translate business requirements into a data model and delivery plan and communicate clearly with technical and business audiences.
- Preferred experience includes Kafka or Spark Streaming, AWS, Azure or Google Cloud Platform, DynamoDB, Amazon S3, cloud-native compute, container and serverless services, data governance, metadata management, lineage, observability tooling, Docker, Kubernetes, regulated financial data, Elasticsearch, and Power BI.
- Familiarity with AI-assisted development tools, agent-based workflows, machine learning, large language models, or prompt engineering is preferred.
Benefits
- Comprehensive medical, vision, dental, prescription drug, life, legal, and supplementary insurance.
- Virtual and in-person mental health counseling for individuals and families.
- Commuter and parking benefits.
- 401(k) retirement plan with matching contributions.
- Employee stock purchase plan and paid time off.
- Tuition reimbursement, internal training, and professional and academic growth opportunities.
- On-site fitness center or reimbursed fitness center membership costs where applicable, with yoga, Pelotons, personal training, and group exercise classes.
- Access to Employee Resource Groups, complimentary beverages and healthy snacks.
- Arlington, Virginia position requiring in-office work Monday through Thursday and work from home on Friday.
Tech Stack
Amazon DynamoDBApache AirflowApache KafkaApache SparkAWSAzureDatabricksDockerElasticsearchGoogle Cloud PlatformJavaKubernetesMicrosoft SQL ServerPostgreSQLPythonScalaSnowflake
Categories
Data Engineering
About CoStar Group
CoStar Group builds subscription databases, analytics, and online marketplaces for commercial and residential real estate professionals, investors, and advertisers. Its portfolio includes CoStar (research and data), LoopNet (commercial listings), and Apartments.com (rental listings), generating revenue from subscriptions, listings, and advertising. The company is publicly traded on NASDAQ (CSGP) and is headquartered in Arlington, Virginia, with inclusion in the S&P 500 index.