Principal Engineer Job Trends in London

Principal Engineer
England > London

The median Principal Engineer salary in London is £100,000 per year, according to job vacancies posted during the 6 months leading to 16 October 2026.

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

6 months to
16 Oct 2026		 Same period 2025 Same period 2024
Rank 182 297 250
Rank change year-on-year +115 -47 +77
Permanent jobs requiring a Principal Engineer 324 86 206
As % of all permanent jobs in London 1.24% 0.73% 1.15%
As % of the Job Titles category 1.34% 0.81% 1.21%
Number of salaries quoted 217 65 147
10th Percentile £81,250 £80,000 £70,000
25th Percentile £90,000 £95,000 £75,000
Median annual salary (50th Percentile) £100,000 £110,000 £100,000
Median % change year-on-year -9.09% +10.00% -
75th Percentile - £120,000 £118,125
90th Percentile £115,500 £145,000 £147,500
England median annual salary £90,000 £80,000 £75,000
% change year-on-year +12.50% +6.67% -14.29%

All Permanent IT Job Roles
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. 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.

6 months to
16 Oct 2026		 Same period 2025 Same period 2024
Permanent vacancies in London with a recognized job title 24,219 10,667 17,046
% of permanent jobs with a recognized job title 92.42% 90.95% 95.20%
Number of salaries quoted 16,067 6,965 10,633
10th Percentile £40,000 £36,250 £40,000
25th Percentile £55,000 £51,250 £53,750
Median annual salary (50th Percentile) £75,000 £72,500 £75,000
Median % change year-on-year +3.45% -3.33% -
75th Percentile £100,000 £95,000 £95,000
90th Percentile - £120,000 £120,000
England median annual salary £59,000 £55,000 £57,500
% change year-on-year +7.27% -4.35% -4.17%

Principal Engineer Job Vacancy Trend in London

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

Principal Engineer job vacancy trend in London

Principal Engineer Salary Trend in London

Salary distribution trend for Principal Engineer job vacancies in London.

Salary distribution trend for Principal Engineer job vacancies in London

Principal Engineer Salary Histogram in London

Salary distribution for jobs citing Principal Engineer in London over the 6 months to 16 October 2026.

Salary histogram for Principal Engineer in London

Principal Engineer Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Principal Engineer within the London region over the 6 months to 16 October 2026. 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
Central London +21 31 £90,000 -20.00% 17
West London - 15 £95,000 - 3
South London 0 12 £95,000 +22.58%
Principal Engineer
England

Principal Engineer Skill Set Top 30 Co-Occurring Skills & Capabilities in London

For the 6 months to 16 October 2026, Principal 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 London region featuring Principal Engineer in the job title.

RankSkillShareJob Ads
1Software Engineering41.7%135
2AWS25.9%84
3CI/CD25.6%83
3Technical Leadership25.6%83
5Infrastructure as Code21.9%71
6Java20.7%67
7Mentoring20.1%65
8Agile18.5%60
9Microservices17.6%57
10AI16.7%54
11Azure15.7%51
12Test Automation15.1%49
13SQL14.8%48
14Security Cleared13.9%45
15SC Cleared13.6%44
16Data Engineering12.3%40
16DevOps12.3%40
16Kafka12.3%40
16Spring12.3%40
20Spring Boot11.7%38
21Event-Driven11.1%36
21GitLab11.1%36
21Python11.1%36
24Architectural Patterns10.5%34
24Coaching10.5%34
26Platform Engineering10.2%33
27Terraform9.3%30
28GCP9.0%29
28Kubernetes9.0%29
30BDD8.6%28

Principal Engineer Skill Set Co-Occurring Skills & Capabilities in London by Category

The table below expands on the one above by listing co-occurrences one category at a time. It covers the same employment type, locality and period, with up to 20 co-occurrences in each category.

Job Titles

RankJob TitleShareJob Ads
1Principal Software Engineer34.0%110
2Principal Java Engineer15.7%51
3Principal Data Engineer12.0%39
4Infrastructure Engineer4.9%16
4Principal DevOps Engineer4.9%16
6Artificial Intelligence Engineer4.6%15
7Full-Stack Engineer4.3%14
8Palantir Engineer3.4%11
9Full-Stack Software Engineer3.1%10
9Senior Software Engineer3.1%10
11AWS Engineer2.8%9
12Java Software Engineer2.5%8
13Platform Engineer2.2%7
14Associate Engineer1.9%6
14AWS Software Engineer1.9%6
16Azure DevOps Engineer1.5%5
16Principal Systems Engineer1.5%5
16Python Software Engineer1.5%5
16Senior C++ Software Engineer1.5%5
16Senior Infrastructure Engineer1.5%5
199 Principal Engineer jobs in London