The salary trajectory of a an UI Developer ranges between locations and employers. The salary starts at £20,193 per year (estimate) and goes up to £72,200 per year (estimate) for the highest level of seniority.
The estimated average salary for a UI Developer at PFSweb is £44,612 per year or £21 per hour, but some professionals have reported earning up to roughly £75,394 per year (90th percentile). The typical pay range is between £34,162 (25th percentile) and £58,603 (75th percentile) annually. This is based on 1 salaries submitted by PFSweb UI Developer professionals on Glassdoor, as of Jun 2026.