O2 employees working as a Software Engineer in United Kingdom have attributed a compensation and benefits rating of 4 out of 5 stars, based on 5 ratings. This is 74% higher than the average of Software Engineer professionals at O2 worldwide.
The salary trajectory of a a Software Engineer ranges between locations and employers. The salary starts at £50,484 per year (estimate) and goes up to £113,665 per year (estimate) for the highest level of seniority.
The estimated average salary for a Software Engineer at O2 is £55,980 per year or £27 per hour, but some professionals have reported earning up to roughly £116,637 per year (90th percentile). The typical pay range is between £40,604 (25th percentile) and £80,190 (75th percentile) annually. This is based on 6 salaries submitted by O2 Software Engineer professionals on Glassdoor, as of Jul 2026.