Oracle employees working as a Principal Software Engineer/Developer in United Kingdom have attributed a compensation and benefits rating of 3.5 out of 5 stars, based on 19 ratings. This is 9% higher than the average of Principal Software Engineer/Developer professionals at Oracle worldwide.
The estimated average salary for a Principal Software Engineer/Developer at Oracle is £85,611 per year or £41 per hour, but some professionals have reported earning up to roughly £163,205 per year (90th percentile). The typical pay range is between £65,508 (25th percentile) and £116,745 (75th percentile) annually. This is based on 206 salaries submitted by Oracle Principal Software Engineer/Developer professionals on Glassdoor, as of Jun 2026.