The salary trajectory of a Principal Software Engineer ranges between locations and employers. The salary starts at €90,000 per year (estimate) and goes up to €0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Software Engineer at Backbase is €286,160 per year or €138 per hour, but some professionals have reported earning up to roughly €454,336 per year (90th percentile). The typical pay range is between €227,609 (25th percentile) and €366,983 (75th percentile) annually. This is based on 19 salaries submitted by Backbase Principal Software Engineer professionals on Glassdoor, as of Jun 2026.