Relative Insight employees working as an UI Engineer in United Kingdom have attributed a compensation and benefits rating of 4 out of 5 stars, based on 1 ratings. This is in line with the average of UI Engineer professionals at Relative Insight worldwide.
The salary trajectory of a an UI Engineer 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 Engineer at Relative Insight is £45,941 per year or £22 per hour, but some professionals have reported earning up to roughly £68,445 per year (90th percentile). The typical pay range is between £37,642 (25th percentile) and £56,440 (75th percentile) annually. This is based on 3 salaries submitted by Relative Insight UI Engineer professionals on Glassdoor, as of Jun 2026.