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 19 October 2026.
The table below compares current salary benchmarking and summary statistics with the previous two years.
| 6 months to 19 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 181 | 282 | 251 |
| Rank change year-on-year | +101 | -31 | +87 |
| Permanent jobs requiring a Principal Engineer | 319 | 86 | 203 |
| As % of all permanent jobs in London | 1.22% | 0.73% | 1.15% |
| As % of the Job Titles category | 1.32% | 0.81% | 1.21% |
| Number of salaries quoted | 215 | 66 | 145 |
| 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 | £118,750 |
| 90th Percentile | £117,000 | £143,750 | £147,500 |
| England median annual salary | £90,000 | £80,000 | £75,000 |
| % change year-on-year | +12.50% | +6.67% | -14.53% |
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 19 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Permanent vacancies in London with a recognized job title | 24,184 | 10,651 | 16,774 |
| % of permanent jobs with a recognized job title | 92.47% | 90.88% | 95.19% |
| Number of salaries quoted | 15,985 | 6,942 | 10,495 |
| 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 | £59,500 | £53,500 | £57,500 |
| % change year-on-year | +11.21% | -6.96% | -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 Salary Trend 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 19 October 2026.
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 19 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 | +24 | 31 | £90,000 | -20.00% | 23 |
| West London | - | 15 | £95,000 | - | 3 |
| South London | -2 | 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 19 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.
| Rank | Skill | Share | Job Ads |
|---|---|---|---|
| 1 | Software Engineering | 41.7% | 133 |
| 2 | AWS | 25.7% | 82 |
| 2 | CI/CD | 25.7% | 82 |
| 4 | Technical Leadership | 25.4% | 81 |
| 5 | Infrastructure as Code | 21.6% | 69 |
| 6 | Java | 21.0% | 67 |
| 7 | Mentoring | 20.4% | 65 |
| 8 | Agile | 18.8% | 60 |
| 9 | Microservices | 17.9% | 57 |
| 10 | AI | 16.3% | 52 |
| 11 | Azure | 15.4% | 49 |
| 11 | Test Automation | 15.4% | 49 |
| 13 | SQL | 15.0% | 48 |
| 14 | Security Cleared | 13.5% | 43 |
| 15 | SC Cleared | 13.2% | 42 |
| 16 | DevOps | 12.5% | 40 |
| 16 | Kafka | 12.5% | 40 |
| 16 | Spring | 12.5% | 40 |
| 19 | Data Engineering | 11.9% | 38 |
| 19 | Spring Boot | 11.9% | 38 |
| 21 | Event-Driven | 11.3% | 36 |
| 21 | GitLab | 11.3% | 36 |
| 23 | Python | 11.0% | 35 |
| 24 | Coaching | 10.7% | 34 |
| 25 | Architectural Patterns | 10.3% | 33 |
| 26 | Platform Engineering | 10.0% | 32 |
| 27 | GCP | 9.1% | 29 |
| 27 | Terraform | 9.1% | 29 |
| 29 | BDD | 8.8% | 28 |
| 29 | End-to-End Testing | 8.8% | 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
| Rank | Job Title | Share | Job Ads |
|---|---|---|---|
| 1 | Principal Software Engineer | 34.2% | 109 |
| 2 | Principal Java Engineer | 16.0% | 51 |
| 3 | Principal Data Engineer | 11.9% | 38 |
| 4 | Infrastructure Engineer | 5.0% | 16 |
| 4 | Principal DevOps Engineer | 5.0% | 16 |
| 6 | Artificial Intelligence Engineer | 4.4% | 14 |
| 7 | Full-Stack Engineer | 4.1% | 13 |
| 8 | Palantir Engineer | 3.4% | 11 |
| 9 | Senior Software Engineer | 3.1% | 10 |
| 10 | AWS Engineer | 2.8% | 9 |
| 10 | Full-Stack Software Engineer | 2.8% | 9 |
| 12 | Java Software Engineer | 2.5% | 8 |
| 13 | Platform Engineer | 2.2% | 7 |
| 14 | Associate Engineer | 1.9% | 6 |
| 14 | AWS Software Engineer | 1.9% | 6 |
| 16 | Azure DevOps Engineer | 1.6% | 5 |
| 16 | Principal Systems Engineer | 1.6% | 5 |
| 16 | Python Software Engineer | 1.6% | 5 |
| 16 | Senior C++ Software Engineer | 1.6% | 5 |
| 16 | Senior Infrastructure Engineer | 1.6% | 5 |