The salary trajectory of a a Senior Java Developer ranges between locations and employers. The salary starts at £43,421 per year (estimate) and goes up to £89,882 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Java Developer at GCS is £66,668 per year or £32 per hour, but some professionals have reported earning up to roughly £109,628 per year (90th percentile). The typical pay range is between £51,997 (25th percentile) and £86,204 (75th percentile) annually. This is based on 10 salaries submitted by GCS Senior Java Developer professionals on Glassdoor, as of Jun 2026.
Java Developer with an estimated total pay of £38K - £130K/yr