> Markdown version of [/jobs/ext/3927315-senior-data-engineer](https://www.wearedevelopers.com/jobs/ext/3927315-senior-data-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Engineer - **Company:** CoStar Realty Information Inc. - **Location:** San Diego, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $124,000.0 - $190,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Artificial Intelligence, Big Data, C Sharp (Programming Language), Continuous Integration, Data as a Services, Information Engineering, Extract Transform Load (ETL), Data Systems, Database Design, DevOps, SQL Databases, Claude Code, Apache Spark, Backend, Apache Kafka, Data Management, Video Streaming, Data Pipelines, Databricks - **Published:** October 26, 2026 - **Apply:** https://www.beyondsandiego.com/job.asp?id=3467850043&tx=JL1913FFK&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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 ## Description * 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