The salary trajectory of a a Fullstack Engineer ranges between locations and employers. The salary starts at $0 per year (estimate) and goes up to $0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Fullstack Engineer at GitLab is $121,500 per year or $58 per hour, but some professionals have reported earning up to roughly $152,100 per year (90th percentile). The typical pay range is between $99,500 (25th percentile) and $130,000 (75th percentile) annually. This is based on 2 salaries submitted by GitLab Fullstack Engineer professionals on Glassdoor, as of June 2026.