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Lead Principal SQL Data Systems Engineer- query optimizer

Job in Washington, District of Columbia, 20001, USA
Listing for: Oracle
Full Time position
Listed on 2026-08-01
Job specializations:
  • Software Development
    Data Engineering
Job Description & How to Apply Below

Database Developer

We are looking for a strong Database Developer who will be responsible for the research, design, and development of advanced features in the query optimizer component of Oracle Database. Additionally, you can be adding autonomous features and self learning and ML capabilities in keeping the query optimizer on the leading edge with respect to the competing database systems.

Our vision is to make Oracle query optimizer the most advanced yet easiest to use in the industry but most importantly continue to have fun achieving it

The team members have a strong research background and strive to bring the most advanced ideas to market in the latest versions of Oracle RDBMS. The group actively participates in collaborative manner of designing cross-group features like data partition pruning, zone map pruning, bloom filtering and pruning, database in-memory costing and optimization, JSON and XML document processing. Our team is heavily involved in the creation of automatic features (e.g. auto SQL plan management, auto indexing, auto error mitigation) for On-Prem databases and Autonomous Database announced by Larry Ellison at the Oracle Open World in Oct 2017.

The group actively participates in customer and standard industry benchmark efforts. The group owns a large patent portfolio reflecting the ownership of many state-of-the-art innovations.

Qualifications:

The candidate must have the following:

  • 6+ years of industry experience
  • knowledge of SQL databases
  • knowledge of how SQL is processed by kernel
  • systems programming experience
  • kernel software development
  • Highly desirable:

  • knowledge of SQL query optimization
  • Responsibilities:

    As a member of the software engineering division, you will take an active role in researching, designing and development aspect of the Oracle Database kernel code in general and query optimizer code in particular. In addition, you will be responsible for the maintenance of optimizer code such as bug fixes and functional enhancements in addressing customer issues and functional requests.

    About Us:

    Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.

    True innovation starts when everyone is empowered to contribute. That's why we're committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.

    We're committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accomm or by calling in the United States.

    Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans' status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

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