Senior Database Engineer – Hybrid, Cloud & ETL

Visual Lease; Arlington (VA); On-site; USD 147,000 - 190,000; Full time

Benefits offered by this job

Comprehensive healthcare coverage

401(K) retirement plan with matching

Job summary

CoStar Group in Arlington, VA, seeks a Senior Database Engineer to design data models, build robust pipelines, and optimize data architectures across Databricks, Snowflake, and AWS. The role emphasizes accuracy, performance, and scalability in financial data environments.

You will collaborate with Software Engineering, Product, DBA, DevOps, and Finance teams while tightening data quality and governance, aligning with SOX controls and production support needs.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field.
• 5+ years in data engineering, backend or software engineering with a data focus.
• Advanced SQL and strong programming in Python, Scala or Java.
• 3+ years with a relational platform like SQL Server or PostgreSQL, including tuning.
• 2+ years building production solutions on Databricks, Spark or equivalent.
• Experience with dimensional modeling, data warehousing, and data architecture.
• Experience with ETL/ELT pipelines for large datasets.
• Experience with orchestration tools like Apache Airflow or Apache NiFi.
• Experience with software engineering practices: version control, tests, CI/CD, code reviews.
• Experience with data quality, performance tuning, monitoring, and production support.
• Ability to translate business requirements into data models and delivery plans.
• Clear written and verbal communication with technical and business audiences.

Responsibilities

• Design and build data models, pipelines, and cloud data architecture on Databricks, Snowflake, and AWS.
• Build and maintain high-volume ETL/ELT pipelines for analytics, reporting, and product features.
• Design dimensional models and structures for fast, predictable queries.
• Tune SQL Server workloads, including procedures, plans, and indexing.
• Integrate data from internal and external sources into governed enterprise models.
• Create data quality, lineage, testing, monitoring, and observability frameworks.
• Optimize processing, storage, and query costs for large datasets.
• Apply SOX and audit controls to data pipelines with change/access controls.
• Automate data infrastructure and data collection across CoStar products.
• Support production pipelines and root-cause troubleshooting.

Skills

Advanced SQL

Python

Scala

Java

Databricks

Spark

Airflow

NiFi

Education

Bachelor's Degree in CS

Tools

SQL Server

PostgreSQL

Snowflake

Kafka

Elasticsearch

Power BI

Docker

Kubernetes

Job description

CoStar Group in Arlington, VA, seeks a Senior Database Engineer to design data models, build robust pipelines, and optimize data architectures across Databricks, Snowflake, and AWS. The role emphasizes accuracy, performance, and scalability in financial data environments.

You will collaborate with Software Engineering, Product, DBA, DevOps, and Finance teams while tightening data quality and governance, aligning with SOX controls and production support needs.