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About the role
Principal Database Developer/Kernel and Query Optimization
Redwood City, CA, United States
- Job Identification323309
- Job CategoryProduct Development
- Posting Date04/17/2026, 08:18 AM
- RoleIndividual Contributor
- Job TypeRegular Employee
- Does this position require a security clearance?No
- Years6 to 10+ years
- Additional InfoVisa / work permit sponsorship is not available for this position
- Applicants are required to read, write, and speak the following languagesEnglish
Job Description
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.
Qualifications
- Disclaimer:
Certain U.S. based or U.S. customer or client-facing roles may be required to comply with applicable requirements, such as immunization/occupational health mandates, and/or drug testing requirements.
Range and benefit information provided in this posting are specific to the stated locations only
US: Hiring Range in USD from: $114,600 to $234,600 per annum. May be eligible for bonus, equity, and compensation deferral.
Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business.
Candidates are typically placed into the range based on the preceding factors as well as internal peer equity.
Oracle US offers a comprehensive benefits package which includes the following:
1. Medical, dental, and vision insurance, including expert medical opinion
2. Short term disability and long term disability
3. Life insurance and AD&D
4. Supplemental life insurance (Employee/Spouse/Child)
5. Health care and dependent care Flexible Spending Accounts
6. Pre-tax commuter and parking benefits
7. 401(k) Savings and Investment Plan with company match
8. Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
9. 11 paid holidays
10. Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
11. Paid parental leave
12. Adoption assistance
13. Employee Stock Purchase Plan
14. Financial planning and group legal
15. Voluntary benefits including auto, homeowner and pet insurance
The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted.
Career Level - IC4
Required Skills
- C Programming Language
- Database Management Software
- Optimizer
- Technical Leadership
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 accommodation-request_mb@oracle.com or by calling 1-888-404-2494 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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