The salary trajectory of a Principal Software Engineer ranges between locations and employers. The salary starts at $153,652 per year (estimate) and goes up to $477,278 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Software Engineer at GLG is $285,993 per year or $137 per hour, but some professionals have reported earning up to roughly $454,064 per year (90th percentile). The typical pay range is between $227,467 (25th percentile) and $366,761 (75th percentile) annually. This is based on 11 salaries submitted by GLG Principal Software Engineer professionals on Glassdoor, as of Jul 2026.
Principal Software Engineer professionals typically earn between $109 and $176 per hour.
Principal Software Engineer professionals typically earn between $18,956 and $30,563 monthly.
