Principal Software Engineer Job Trends in the South East

Principal Software Engineer
England > South East

The median Principal Software Engineer salary in the South East is £68,000 per year, according to job vacancies posted during the 6 months leading to 17 October 2025.

The table below compares current salary benchmarking and summary statistics with the previous two years.

6 months to
17 Oct 2025
Same period 2024 Same period 2023
Rank 282 286 284
Rank change year-on-year +4 -2 +150
Permanent jobs requiring a Principal Software Engineer 11 32 2
As % of all permanent jobs in the South East 0.12% 0.28% 0.024%
As % of the Job Titles category 0.14% 0.29% 0.026%
Number of salaries quoted 4 24 2
10th Percentile - £45,000 £82,625
25th Percentile - £67,500 £82,813
Median annual salary (50th Percentile) £68,000 £75,000 £86,250
Median % change year-on-year -9.33% -13.04% +23.21%
75th Percentile £69,975 £98,125 £90,313
90th Percentile £73,530 £112,500 £90,875
England median annual salary £100,000 £95,000 £82,500
% change year-on-year +5.26% +15.15% +1.54%

All Permanent IT Job Vacancies
South East

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in the South East. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in the South East with a recognized job title 8,051 11,197 7,788
% of permanent jobs with a recognized job title 90.16% 96.42% 94.91%
Number of salaries quoted 4,506 6,348 5,488
10th Percentile £27,500 £31,250 £30,000
25th Percentile £33,750 £40,000 £40,000
Median annual salary (50th Percentile) £47,500 £54,000 £55,000
Median % change year-on-year -12.04% -1.82% -
75th Percentile £65,000 £69,250 £70,000
90th Percentile £81,250 £82,500 £82,500
England median annual salary £54,793 £57,500 £60,000
% change year-on-year -4.71% -4.17% -

Principal Software Engineer
Job Vacancy Trend in the South East

Historical trend showing the proportion of permanent IT job postings featuring 'Principal Software Engineer' in the job title relative to all permanent IT jobs advertised in the South East.

Principal Software Engineer job vacancy trend in the South East

Principal Software Engineer
Salary Trend in the South East

Salary distribution trend for Principal Software Engineer job vacancies in the South East.

Salary distribution trend for Principal Software Engineer job vacancies in the South East

Principal Software Engineer
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Principal Software Engineer within the South East region over the 6 months to 17 October 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Isle of Wight - 8 £68,000 -
East Sussex - 2 - -
Hampshire +50 1 - - 2
Principal Software Engineer
England

Principal Software Engineer Skill Set
Top 17 Co-Occurring Skills & Capabilities in the South East

For the 6 months to 17 October 2025, Principal Software Engineer job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the South East region featuring Principal Software Engineer in the job title.

1 11 (100.00%) Software Engineering
2 8 (72.73%) Ada
2 8 (72.73%) Ada 95
2 8 (72.73%) Agile
2 8 (72.73%) BPSS Clearance
2 8 (72.73%) Chartered Engineer
2 8 (72.73%) Computer Science
2 8 (72.73%) Configuration Management
2 8 (72.73%) Degree
2 8 (72.73%) ISO/IEC 12207
2 8 (72.73%) UML
2 8 (72.73%) Waterfall
3 1 (9.09%) C++
3 1 (9.09%) JavaScript
3 1 (9.09%) QML
3 1 (9.09%) Qt
3 1 (9.09%) User Experience

Principal Software Engineer Skill Set
Co-Occurring Skills & Capabilities in the South East by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Libraries, Frameworks & Software Standards
1 1 (9.09%) QML
1 1 (9.09%) Qt
Miscellaneous
1 1 (9.09%) Self-Driving Car
Processes & Methodologies
1 11 (100.00%) Software Engineering
2 8 (72.73%) Agile
2 8 (72.73%) Computer Science
2 8 (72.73%) Configuration Management
2 8 (72.73%) UML
2 8 (72.73%) Waterfall
3 1 (9.09%) User Experience
Programming Languages
1 8 (72.73%) Ada
1 8 (72.73%) Ada 95
2 1 (9.09%) C++
2 1 (9.09%) JavaScript
Qualifications
1 8 (72.73%) BPSS Clearance
1 8 (72.73%) Chartered Engineer
1 8 (72.73%) Degree
Quality Assurance & Compliance
1 8 (72.73%) ISO/IEC 12207