The salary trajectory of a Systems Developer 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 Systems Developer at BAE Systems is £127,602 per year or £61 per hour, but some professionals have reported earning up to roughly £207,042 per year (90th percentile). The typical pay range is between £99,600 (25th percentile) and £165,190 (75th percentile) annually. This is based on 357 salaries submitted by BAE Systems Systems Developer professionals on Glassdoor, as of Jun 2026.