The salary trajectory of a Test Development 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 Test Development Engineer at JCB is £158,509 per year or £76 per hour, but some professionals have reported earning up to roughly £241,838 per year (90th percentile). The typical pay range is between £128,258 (25th percentile) and £198,642 (75th percentile) annually. This is based on 11 salaries submitted by JCB Test Development Engineer professionals on Glassdoor, as of Jul 2026.