The estimated average salary for a Full Stack JavaScript Developer at Optus is $124,000 per year or $60 per hour, but some professionals have reported earning up to roughly $128,000 per year (90th percentile). The typical pay range is between $120,000 (25th percentile) and $128,000 (75th percentile) annually. This is based on 1 salaries submitted by Optus Full Stack JavaScript Developer professionals on Glassdoor, as of June 2026.