The estimated average salary for a Software Engineer - Java Developer at HM Revenue and Customs is £48,460 per year or £23 per hour, but some professionals have reported earning up to roughly £76,550 per year (90th percentile). The typical pay range is between £38,807 (25th percentile) and £61,206 (75th percentile) annually. This is based on 7 salaries submitted by HM Revenue and Customs Software Engineer - Java Developer professionals on Glassdoor, as of Jul 2026.