Senior Software Engineer Salary in Wales
Official ONS earnings for Wales.
Median salary — Wales
£45,942
gross, per year
▲ 4.4% change on the previous year
Mean
£48,379
What most senior software engineers actually earn
Half of senior software engineers in Wales earn between £36,458 and £59,193. Earning above £59,193 puts you in the top quarter of the profession.
ONS suppresses the detailed spread for this occupation at regional level, so this range describes the wider “Information Technology Professionals” group in Wales.
The full pay range
Each bar is the salary at that percentile — the 25th means a quarter of senior software engineers earn less than this.
Where this figure comes from
- ONS occupation group
- Programmers and software development professionals
- SOC 2020 code
- 2134
- Measure
- Gross annual pay, all employees
- Edition
- ONS Annual Survey of Hours and Earnings, 2025 provisional
ONS doesn't measure “senior software engineer” as its own category. These figures are for the wider group “Programmers and software development professionals”, which includes this role alongside others.
Source: Office for National Statistics, Annual Survey of Hours and Earnings. Contains public sector information licensed under the Open Government Licence v3.0. Figures are estimates from a survey of PAYE jobs and are not financial advice.
Senior Software Engineer salary FAQs
What is the average Senior Software Engineer salary in Wales?
The median is £45,942 a year and the mean is £48,379, according to the ONS Annual Survey of Hours and Earnings.
What is a good Senior Software Engineer salary?
Half of senior software engineers earn between £36,458 and £59,193. Anything above £59,193 is in the top quarter for the role.
Is this figure official?
Yes. It comes from the ONS Annual Survey of Hours and Earnings, an accredited official statistic based on employer PAYE records.
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