The salary trajectory of a Senior Software Engineer ranges between locations and employers. The salary starts at A$0 per year (estimate) and goes up to A$0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Software Engineer at Optus is A$208,124 per year or A$100 per hour, but some professionals have reported earning up to roughly A$323,862 per year (90th percentile). The typical pay range is between A$166,936 (25th percentile) and A$263,782 (75th percentile) annually. This is based on 29 salaries submitted by Optus Senior Software Engineer professionals on Glassdoor, as of Jul 2026.