Principal Software Engineer Job Trends

Principal Software Engineer
UK

The median Principal Software Engineer salary in the UK is £85,000 per year, according to job vacancies posted during the 6 months leading to 8 May 2026.

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

6 months to
8 May 2026
Same period 2025 Same period 2024
Rank 457 596 647
Rank change year-on-year +139 +51 +202
Permanent jobs requiring a Principal Software Engineer 264 68 225
As % of all permanent jobs in the UK 0.29% 0.16% 0.23%
As % of the Job Titles category 0.31% 0.18% 0.25%
Number of salaries quoted 181 49 135
10th Percentile £70,000 £65,000 £65,000
25th Percentile £75,000 £68,750 £71,250
Median annual salary (50th Percentile) £85,000 £80,000 £85,000
Median % change year-on-year +6.25% -5.88% +0.59%
75th Percentile £100,000 £112,500 £100,000
90th Percentile - £128,000 £112,500
UK excluding London median annual salary £85,000 £75,000 £77,000
% change year-on-year +13.33% -2.60% -5.81%

All Permanent IT Job Roles
UK

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies. 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 UK with a recognized job title 84,240 38,844 90,932
% of permanent jobs with a recognized job title 92.95% 89.44% 94.56%
Number of salaries quoted 54,564 23,127 66,916
10th Percentile £30,000 £30,000 £28,500
25th Percentile £40,000 £41,250 £38,500
Median annual salary (50th Percentile) £55,000 £58,033 £53,000
Median % change year-on-year -5.23% +9.50% -11.67%
75th Percentile £75,000 £77,500 £71,250
90th Percentile £95,000 £100,000 £90,000
UK excluding London median annual salary £50,000 £52,500 £50,000
% change year-on-year -4.76% +5.00% -5.66%

Principal Software Engineer
Job Vacancy Trend

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.

Principal Software Engineer job vacancy trend in the UK

Principal Software Engineer
Salary Trend

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

Salary distribution trend for Principal Software Engineer job vacancies in the UK

Principal Software Engineer
Salary Histogram

Salary distribution for jobs citing Principal Software Engineer over the 6 months to 8 May 2026.

Salary histogram for Principal Software Engineer in the UK

Principal Software Engineer
Top 15 Job Locations

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 UK over the 6 months to 8 May 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
England +126 240 £85,000 -1.45% 75
UK excluding London +85 206 £85,000 +13.33% 48
South East +18 73 £75,000 +9.09% 12
London +30 56 £100,000 -11.11% 29
North of England -15 46 £90,000 +20.00% 10
South West - 33 £70,000 - 15
Work from Home +17 31 £100,000 -2.44% 20
East of England +10 29 £80,000 +19.40% 8
North West -1 27 £90,000 +20.00% 3
Scotland +7 18 £85,000 +13.33% 1
Yorkshire -41 10 £100,000 - 4
North East - 9 £85,000 - 3
Wales -26 5 £85,000 +25.00%
Midlands -28 2 - - 3
East Midlands -30 2 - -

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

For the 6 months to 8 May 2026, 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 featuring Principal Software Engineer in the job title.

1 264 (100.00%) Software Engineering
2 28 (10.61%) Full-Stack Development
3 26 (9.85%) AWS
4 21 (7.95%) Technical Leadership
5 20 (7.58%) Microservices
6 19 (7.20%) Event-Driven
7 18 (6.82%) AI
7 18 (6.82%) Energy Management
7 18 (6.82%) Python
7 18 (6.82%) Storage Management
7 18 (6.82%) TypeScript
8 17 (6.44%) Agile
8 17 (6.44%) Mentoring
9 16 (6.06%) React
10 15 (5.68%) Degree
11 14 (5.30%) Computer Science
11 14 (5.30%) Creative Thinking
12 13 (4.92%) Azure
12 13 (4.92%) C++
12 13 (4.92%) CI/CD
12 13 (4.92%) DevOps
12 13 (4.92%) Software Architecture
13 11 (4.17%) Continuous Improvement
13 11 (4.17%) JavaScript
14 10 (3.79%) Problem-Solving
15 9 (3.41%) BPSS Clearance
15 9 (3.41%) C
15 9 (3.41%) Java
15 9 (3.41%) UML
16 8 (3.03%) GCP

Principal Software Engineer Skill Set
Co-Occurring Skills & Capabilities 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:

Application Platforms
1 2 (0.76%) CMS
2 1 (0.38%) Sitecore CMS
2 1 (0.38%) Umbraco
Cloud Services
1 26 (9.85%) AWS
2 13 (4.92%) Azure
3 8 (3.03%) GCP
4 5 (1.89%) SaaS
5 2 (0.76%) Serverless
6 1 (0.38%) Azure DevOps
6 1 (0.38%) Datadog
6 1 (0.38%) GitHub
6 1 (0.38%) GitHub Copilot
Communications & Networking
1 4 (1.52%) Wireless
2 2 (0.76%) Broadband
2 2 (0.76%) Multicast
Database & Business Intelligence
1 4 (1.52%) BigQuery
1 4 (1.52%) Elasticsearch
2 1 (0.38%) PostgreSQL
2 1 (0.38%) Redis
2 1 (0.38%) SQL Server
Development Applications
1 3 (1.14%) Rational Rhapsody
2 2 (0.76%) Jenkins
2 2 (0.76%) JIRA
2 2 (0.76%) TeamCity
3 1 (0.38%) Claude Code
3 1 (0.38%) GitLab
3 1 (0.38%) Jaeger
3 1 (0.38%) Maven
General
1 17 (6.44%) Finance
2 14 (5.30%) Retail
3 3 (1.14%) Aerospace
3 3 (1.14%) Electronics
3 3 (1.14%) Military
3 3 (1.14%) Social Skills
4 2 (0.76%) Banking
4 2 (0.76%) Influencing Skills
5 1 (0.38%) Analytical Skills
5 1 (0.38%) Games
5 1 (0.38%) Health Technology
5 1 (0.38%) Manufacturing
5 1 (0.38%) Public Sector
Libraries, Frameworks & Software Standards
1 16 (6.06%) React
2 6 (2.27%) Spring Boot
2 6 (2.27%) Unreal Engine
3 5 (1.89%) .NET
3 5 (1.89%) Spring
4 4 (1.52%) Django
4 4 (1.52%) Next.js
5 3 (1.14%) AngularJS
5 3 (1.14%) Lambda Expressions
5 3 (1.14%) Node.js
6 2 (0.76%) Akka
6 2 (0.76%) Boost C++ Libraries
6 2 (0.76%) FIX Protocol
6 2 (0.76%) pytest
7 1 (0.38%) .NET Core
7 1 (0.38%) Flask
7 1 (0.38%) GraphQL
7 1 (0.38%) MACH
7 1 (0.38%) Playwright
7 1 (0.38%) Redux
Miscellaneous
1 21 (7.95%) IoT
2 18 (6.82%) Smart Energy
3 17 (6.44%) Cloud Native
4 12 (4.55%) Product Ownership
5 10 (3.79%) Distributed Systems
6 9 (3.41%) Foreign Exchange (FX)
7 6 (2.27%) Algorithms
7 6 (2.27%) Embedded Systems
8 5 (1.89%) Greenfield Project
9 4 (1.52%) Data Structures
9 4 (1.52%) Enterprise Software
10 3 (1.14%) Legacy Applications
11 2 (0.76%) Derivative
11 2 (0.76%) Equities
11 2 (0.76%) Fixed Income
11 2 (0.76%) Over-the-Top Content
11 2 (0.76%) Video\Live Streaming
12 1 (0.38%) Blockchain
12 1 (0.38%) Robotics
Operating Systems
1 6 (2.27%) Linux
Processes & Methodologies
1 264 (100.00%) Software Engineering
2 28 (10.61%) Full-Stack Development
3 21 (7.95%) Technical Leadership
4 20 (7.58%) Microservices
5 19 (7.20%) Event-Driven
6 18 (6.82%) AI
6 18 (6.82%) Energy Management
6 18 (6.82%) Storage Management
7 17 (6.44%) Agile
7 17 (6.44%) Mentoring
8 14 (5.30%) Computer Science
8 14 (5.30%) Creative Thinking
9 13 (4.92%) CI/CD
9 13 (4.92%) DevOps
9 13 (4.92%) Software Architecture
10 11 (4.17%) Continuous Improvement
11 10 (3.79%) Problem-Solving
12 9 (3.41%) UML
13 8 (3.03%) Open Source
14 6 (2.27%) Waterfall
Programming Languages
1 18 (6.82%) Python
1 18 (6.82%) TypeScript
2 13 (4.92%) C++
3 11 (4.17%) JavaScript
4 9 (3.41%) C
4 9 (3.41%) Java
5 6 (2.27%) Ada
5 6 (2.27%) Ada 95
6 5 (1.89%) C#
7 4 (1.52%) Go
8 2 (0.76%) Scala
8 2 (0.76%) SQL
9 1 (0.38%) Rust
Qualifications
1 15 (5.68%) Degree
2 9 (3.41%) BPSS Clearance
3 6 (2.27%) Chartered Engineer
3 6 (2.27%) Computer Science Degree
Quality Assurance & Compliance
1 8 (3.03%) QA
2 6 (2.27%) ISO/IEC 12207
3 3 (1.14%) DO-178B
4 1 (0.38%) GDPR
System Software
1 7 (2.65%) Docker
Systems Management
1 8 (3.03%) Kubernetes
2 2 (0.76%) Terraform
3 1 (0.38%) Prometheus
Vendors
1 4 (1.52%) Google
2 1 (0.38%) Microsoft
2 1 (0.38%) Palantir
2 1 (0.38%) Sitecore