IBM employees working as a Software Performance Engineer in United Kingdom have attributed a compensation and benefits rating of 4 out of 5 stars, based on 1 ratings. This is 25% higher than the average of Software Performance Engineer professionals at IBM worldwide.
The salary trajectory of a a Software Performance 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 Software Performance Engineer at IBM is £48,406 per year or £23 per hour, but some professionals have reported earning up to roughly £79,420 per year (90th percentile). The typical pay range is between £38,067 (25th percentile) and £62,314 (75th percentile) annually. This is based on 3 salaries submitted by IBM Software Performance Engineer professionals on Glassdoor, as of Jul 2026.