The estimated average salary for a Applications Developer/Technical Support at CGI is £40,443 per year or £19 per hour, but some professionals have reported earning up to roughly £68,224 per year (90th percentile). The typical pay range is between £31,423 (25th percentile) and £52,783 (75th percentile) annually. This is based on 36 salaries submitted by CGI Applications Developer/Technical Support professionals on Glassdoor, as of Jul 2026.