Principal Software Engineer Job Trends

Principal Software Engineer
UK

The median Principal Software Engineer salary in the UK is £90,000 per year, according to job vacancies posted during the 6 months leading to 9 July 2026.

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

6 months to
9 Jul 2026
Same period 2025 Same period 2024
Rank 486 610 657
Rank change year-on-year +124 +47 +141
Permanent jobs requiring a Principal Software Engineer 288 64 230
As % of all permanent jobs in the UK 0.29% 0.13% 0.22%
As % of the Job Titles category 0.31% 0.15% 0.24%
Number of salaries quoted 209 42 154
10th Percentile £70,000 £65,000 £65,000
25th Percentile £80,000 £69,688 £70,000
Median annual salary (50th Percentile) £90,000 £77,500 £83,750
Median % change year-on-year +16.13% -7.46% -6.94%
75th Percentile £100,000 £108,750 £100,000
90th Percentile £120,000 £125,000 £112,500
UK excluding London median annual salary £85,000 £75,000 £75,000
% change year-on-year +13.33% - -9.09%

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 92,011 43,811 97,193
% of permanent jobs with a recognized job title 94.18% 89.90% 94.71%
Number of salaries quoted 63,054 25,783 69,790
10th Percentile £30,000 £28,750 £28,750
25th Percentile £40,000 £38,000 £38,750
Median annual salary (50th Percentile) £55,000 £55,000 £52,500
Median % change year-on-year - +4.76% -12.50%
75th Percentile £75,000 £75,000 £70,000
90th Percentile £95,000 £97,500 £90,000
UK excluding London median annual salary £52,500 £50,000 £50,000
% change year-on-year +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 9 July 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 9 July 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 +143 268 £90,000 -10.00% 51
UK excluding London +99 225 £85,000 +13.33% 42
South East +30 83 £85,000 +30.77% 7
North of England +19 65 £90,000 +20.00% 7
London +26 61 £100,000 -20.00% 18
Work from Home +18 39 £92,500 -9.76% 15
North West +23 36 £90,000 +20.00% 7
South West -35 30 £75,000 -25.00% 20
East of England +5 26 £80,000 - 4
North East - 18 £100,000 -
Scotland +19 17 £90,000 +20.00% 3
Yorkshire - 11 £100,000 -
East Midlands -30 2 - -
Midlands -32 2 - -
Wales -48 2 £85,000 +25.00%

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

For the 6 months to 9 July 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.

1 288 (100.00%) Software Engineering
2 31 (10.76%) C++
3 29 (10.07%) AI
4 28 (9.72%) TypeScript
5 27 (9.38%) Full-Stack Development
6 26 (9.03%) Technical Leadership
7 25 (8.68%) Python
8 24 (8.33%) AWS
9 22 (7.64%) React
10 21 (7.29%) Agile
11 19 (6.60%) Microservices
12 18 (6.25%) Event-Driven
12 18 (6.25%) Linux
13 17 (5.90%) Computer Science
13 17 (5.90%) Creative Thinking
13 17 (5.90%) Mentoring
14 16 (5.56%) Degree
14 16 (5.56%) Mathematics
14 16 (5.56%) QA
14 16 (5.56%) Rust
15 14 (4.86%) C
15 14 (4.86%) CI/CD
16 13 (4.51%) Java
16 13 (4.51%) JavaScript
16 13 (4.51%) Workflow
17 12 (4.17%) Continuous Improvement
18 11 (3.82%) DevOps
19 10 (3.47%) Physics
19 10 (3.47%) Software Architecture
19 10 (3.47%) Unreal Engine

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 (0.69%) CMS
2 1 (0.35%) Sitecore CMS
2 1 (0.35%) Umbraco
Applications
1 2 (0.69%) Microsoft Excel
1 2 (0.69%) Microsoft Office
1 2 (0.69%) Microsoft PowerPoint
Cloud Services
1 24 (8.33%) AWS
2 9 (3.13%) SaaS
3 6 (2.08%) Azure
4 3 (1.04%) GCP
4 3 (1.04%) Serverless
5 1 (0.35%) Azure DevOps
5 1 (0.35%) Datadog
5 1 (0.35%) GitHub
5 1 (0.35%) GitHub Copilot
Communications & Networking
1 6 (2.08%) Multicast
1 6 (2.08%) Wireless
2 2 (0.69%) Bluetooth
2 2 (0.69%) TCP/IP
2 2 (0.69%) Wi-Fi
2 2 (0.69%) ZigBee
3 1 (0.35%) Broadband
Database & Business Intelligence
1 5 (1.74%) GIS
2 4 (1.39%) Redis
3 3 (1.04%) SQL Server
4 2 (0.69%) PostgreSQL
5 1 (0.35%) Big Data
Development Applications
1 6 (2.08%) JIRA
2 3 (1.04%) Rational Rhapsody
3 1 (0.35%) Claude Code
3 1 (0.35%) Git
3 1 (0.35%) GitLab
3 1 (0.35%) Jaeger
3 1 (0.35%) Jenkins
3 1 (0.35%) Maven
3 1 (0.35%) TeamCity
General
1 20 (6.94%) Finance
2 16 (5.56%) Retail
3 8 (2.78%) Banking
4 6 (2.08%) Social Skills
5 5 (1.74%) Electronics
6 3 (1.04%) Aerospace
6 3 (1.04%) Military
7 2 (0.69%) Front Office
7 2 (0.69%) Influencing Skills
7 2 (0.69%) Marketing
8 1 (0.35%) Analytical Skills
8 1 (0.35%) Games
8 1 (0.35%) Health Technology
8 1 (0.35%) Public Sector
Libraries, Frameworks & Software Standards
1 22 (7.64%) React
2 10 (3.47%) Unreal Engine
3 7 (2.43%) .NET
3 7 (2.43%) Node.js
4 6 (2.08%) Boost C++ Libraries
4 6 (2.08%) FIX Protocol
4 6 (2.08%) pytest
4 6 (2.08%) Spring Boot
5 5 (1.74%) Spring
6 4 (1.39%) Next.js
7 3 (1.04%) AngularJS
7 3 (1.04%) Lambda Expressions
8 2 (0.69%) Godot
8 2 (0.69%) Kafka
8 2 (0.69%) Vue
9 1 (0.35%) GraphQL
9 1 (0.35%) MACH
9 1 (0.35%) OpenFin
9 1 (0.35%) Playwright
9 1 (0.35%) Redux
Miscellaneous
1 16 (5.56%) Cloud Native
2 12 (4.17%) Embedded Systems
2 12 (4.17%) Product Ownership
3 11 (3.82%) IoT
4 9 (3.13%) Distributed Systems
4 9 (3.13%) Foreign Exchange (FX)
5 8 (2.78%) Smart Energy
6 7 (2.43%) Fixed Income
7 6 (2.08%) Algorithms
7 6 (2.08%) Derivative
7 6 (2.08%) Equities
8 5 (1.74%) Enterprise Software
9 4 (1.39%) Robotics
10 3 (1.04%) Legacy Applications
11 2 (0.69%) AI Agents
11 2 (0.69%) Public Cloud
12 1 (0.35%) Blockchain
12 1 (0.35%) Over-the-Top Content
12 1 (0.35%) Video\Live Streaming
Operating Systems
1 18 (6.25%) Linux
2 2 (0.69%) Embedded Linux
2 2 (0.69%) FreeRTOS
Processes & Methodologies
1 288 (100.00%) Software Engineering
2 29 (10.07%) AI
3 27 (9.38%) Full-Stack Development
4 26 (9.03%) Technical Leadership
5 21 (7.29%) Agile
6 19 (6.60%) Microservices
7 18 (6.25%) Event-Driven
8 17 (5.90%) Computer Science
8 17 (5.90%) Creative Thinking
8 17 (5.90%) Mentoring
9 16 (5.56%) Mathematics
10 14 (4.86%) CI/CD
11 13 (4.51%) Workflow
12 12 (4.17%) Continuous Improvement
13 11 (3.82%) DevOps
14 10 (3.47%) Physics
14 10 (3.47%) Software Architecture
15 9 (3.13%) Open Source
15 9 (3.13%) SDLC
15 9 (3.13%) Technical Debt
Programming Languages
1 31 (10.76%) C++
2 28 (9.72%) TypeScript
3 25 (8.68%) Python
4 16 (5.56%) Rust
5 14 (4.86%) C
6 13 (4.51%) Java
6 13 (4.51%) JavaScript
7 6 (2.08%) C#
8 4 (1.39%) Go
9 3 (1.04%) SQL
10 2 (0.69%) Scala
11 1 (0.35%) Assembly Language
11 1 (0.35%) Kotlin
Qualifications
1 16 (5.56%) Degree
2 9 (3.13%) Computer Science Degree
3 3 (1.04%) BPSS Clearance
3 3 (1.04%) Security Cleared
4 2 (0.69%) DV Cleared
4 2 (0.69%) SC Cleared
Quality Assurance & Compliance
1 16 (5.56%) QA
2 3 (1.04%) DO-178B
3 1 (0.35%) GDPR
System Software
1 6 (2.08%) Docker
Systems Management
1 8 (2.78%) Kubernetes
2 2 (0.69%) Terraform
3 1 (0.35%) Prometheus
Vendors
1 8 (2.78%) Palantir
2 2 (0.69%) Microsoft
3 1 (0.35%) Sitecore