The salary trajectory of a a Web Developer - JavaScript ranges between locations and employers. The salary starts at £33,872 per year (estimate) and goes up to £56,343 per year (estimate) for the highest level of seniority.
The estimated average salary for a Web Developer - JavaScript at ObjectWin Technology is £35,937 per year or £17 per hour, but some professionals have reported earning up to roughly £56,271 per year (90th percentile). The typical pay range is between £28,380 (25th percentile) and £45,507 (75th percentile) annually. This is based on 1 salaries submitted by ObjectWin Technology Web Developer - JavaScript professionals on Glassdoor, as of Jun 2026.