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 25 July 2026.

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

6 months to
25 Jul 2026
Same period 2025 Same period 2024
Rank 487 619 628
Rank change year-on-year +132 +9 +134
Permanent jobs requiring a Principal Software Engineer 294 70 214
As % of all permanent jobs in the UK 0.29% 0.14% 0.24%
As % of the Job Titles category 0.31% 0.16% 0.25%
Number of salaries quoted 209 47 144
10th Percentile £70,000 £65,000 £65,000
25th Percentile £75,000 £72,500 £70,000
Median annual salary (50th Percentile) £90,000 £85,000 £85,000
Median % change year-on-year +5.88% - -5.56%
75th Percentile £100,000 £113,750 £100,000
90th Percentile £120,000 £126,000 £116,250
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 95,058 44,279 85,185
% of permanent jobs with a recognized job title 94.34% 90.13% 94.76%
Number of salaries quoted 65,017 26,287 59,282
10th Percentile £30,000 £28,500 £30,000
25th Percentile £40,000 £37,500 £40,000
Median annual salary (50th Percentile) £55,000 £55,000 £55,000
Median % change year-on-year - - -8.33%
75th Percentile £75,000 £75,000 £71,250
90th Percentile £96,250 £96,250 £90,000
UK excluding London median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - -4.76%

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 25 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 25 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 +120 275 £90,000 -10.00% 82
UK excluding London +91 228 £85,000 +13.33% 48
South East +20 80 £77,500 +19.23% 9
London +10 64 £100,000 -13.04% 32
North of England +22 63 £90,000 +20.00% 19
Work from Home +15 45 £92,500 -15.91% 22
North West +17 37 £90,000 +20.00% 16
South West -33 37 £77,500 -22.50% 6
East of England +12 26 £80,000 - 10
Scotland +30 16 £95,000 +26.67% 2
North East - 15 £110,000 -
Yorkshire - 11 £100,000 - 3
East Midlands -30 5 - - 2
Midlands -37 5 - - 2
Wales -55 1 £85,000 +18.14%

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

For the 6 months to 25 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.

1 294 (100.00%) Software Engineering
2 35 (11.90%) C++
3 32 (10.88%) AI
4 30 (10.20%) Python
4 30 (10.20%) TypeScript
5 29 (9.86%) Technical Leadership
6 28 (9.52%) Agile
7 24 (8.16%) AWS
7 24 (8.16%) Degree
7 24 (8.16%) Full-Stack Development
8 22 (7.48%) Computer Science
9 21 (7.14%) React
10 19 (6.46%) Linux
10 19 (6.46%) Mathematics
11 18 (6.12%) Mentoring
12 17 (5.78%) CI/CD
12 17 (5.78%) Creative Thinking
12 17 (5.78%) Event-Driven
12 17 (5.78%) QA
12 17 (5.78%) Rust
13 16 (5.44%) Microservices
14 15 (5.10%) C
14 15 (5.10%) Continuous Improvement
14 15 (5.10%) Java
15 14 (4.76%) Computer Science Degree
15 14 (4.76%) Workflow
16 13 (4.42%) DevOps
17 12 (4.08%) Open Source
18 11 (3.74%) JavaScript
18 11 (3.74%) Physics

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 (0.68%) CMS
2 1 (0.34%) Sitecore CMS
2 1 (0.34%) Umbraco
Applications
1 3 (1.02%) Microsoft Excel
1 3 (1.02%) Microsoft Office
1 3 (1.02%) Microsoft PowerPoint
Cloud Services
1 24 (8.16%) AWS
2 9 (3.06%) SaaS
3 5 (1.70%) Azure
4 3 (1.02%) GCP
5 2 (0.68%) Serverless
6 1 (0.34%) Azure DevOps
6 1 (0.34%) Datadog
6 1 (0.34%) GitHub
6 1 (0.34%) GitHub Copilot
Communications & Networking
1 6 (2.04%) Multicast
1 6 (2.04%) Wireless
2 2 (0.68%) Bluetooth
2 2 (0.68%) TCP/IP
2 2 (0.68%) Wi-Fi
2 2 (0.68%) ZigBee
Database & Business Intelligence
1 6 (2.04%) GIS
2 4 (1.36%) Redis
2 4 (1.36%) SQL Server
3 2 (0.68%) PostgreSQL
4 1 (0.34%) Big Data
4 1 (0.34%) Data Warehouse
4 1 (0.34%) MariaDB
4 1 (0.34%) Metadata
4 1 (0.34%) MySQL
4 1 (0.34%) SQLite
Development Applications
1 6 (2.04%) JIRA
2 3 (1.02%) Rational Rhapsody
3 1 (0.34%) Claude Code
3 1 (0.34%) Git
3 1 (0.34%) Jaeger
General
1 27 (9.18%) Finance
2 17 (5.78%) Retail
3 10 (3.40%) Banking
4 9 (3.06%) Aerospace
4 9 (3.06%) Social Skills
5 7 (2.38%) Electronics
6 5 (1.70%) Military
7 4 (1.36%) Front Office
7 4 (1.36%) Inclusion and Diversity
8 3 (1.02%) Marketing
9 2 (0.68%) Games
9 2 (0.68%) Influencing Skills
10 1 (0.34%) Analytical Skills
10 1 (0.34%) Financial Institution
10 1 (0.34%) Law
10 1 (0.34%) Legal
10 1 (0.34%) Manufacturing
10 1 (0.34%) Public Sector
Libraries, Frameworks & Software Standards
1 21 (7.14%) React
2 11 (3.74%) Unreal Engine
3 9 (3.06%) .NET
4 6 (2.04%) Boost C++ Libraries
4 6 (2.04%) FIX Protocol
4 6 (2.04%) Node.js
4 6 (2.04%) pytest
4 6 (2.04%) Spring Boot
5 4 (1.36%) AngularJS
5 4 (1.36%) Spring
6 3 (1.02%) Godot
6 3 (1.02%) Next.js
7 2 (0.68%) Kafka
7 2 (0.68%) Lambda Expressions
7 2 (0.68%) Vue
8 1 (0.34%) Express.js
8 1 (0.34%) Flask
8 1 (0.34%) JSON
8 1 (0.34%) Redux
8 1 (0.34%) REST
Miscellaneous
1 17 (5.78%) Cloud Native
2 12 (4.08%) Distributed Systems
2 12 (4.08%) Embedded Systems
2 12 (4.08%) Product Ownership
3 9 (3.06%) IoT
4 7 (2.38%) Fixed Income
4 7 (2.38%) Foreign Exchange (FX)
5 6 (2.04%) Algorithms
5 6 (2.04%) Derivative
5 6 (2.04%) Equities
5 6 (2.04%) Public Cloud
5 6 (2.04%) Smart Energy
6 5 (1.70%) Enterprise Software
6 5 (1.70%) Robotics
7 3 (1.02%) AI Agents
8 2 (0.68%) Legacy Applications
9 1 (0.34%) Blockchain
9 1 (0.34%) Distributed Architecture
9 1 (0.34%) Management Information System
9 1 (0.34%) Onboarding
Operating Systems
1 19 (6.46%) Linux
2 2 (0.68%) Embedded Linux
2 2 (0.68%) FreeRTOS
Processes & Methodologies
1 294 (100.00%) Software Engineering
2 32 (10.88%) AI
3 29 (9.86%) Technical Leadership
4 28 (9.52%) Agile
5 24 (8.16%) Full-Stack Development
6 22 (7.48%) Computer Science
7 19 (6.46%) Mathematics
8 18 (6.12%) Mentoring
9 17 (5.78%) CI/CD
9 17 (5.78%) Creative Thinking
9 17 (5.78%) Event-Driven
10 16 (5.44%) Microservices
11 15 (5.10%) Continuous Improvement
12 14 (4.76%) Workflow
13 13 (4.42%) DevOps
14 12 (4.08%) Open Source
15 11 (3.74%) Physics
15 11 (3.74%) SDLC
15 11 (3.74%) Software Architecture
16 9 (3.06%) Software Delivery
Programming Languages
1 35 (11.90%) C++
2 30 (10.20%) Python
2 30 (10.20%) TypeScript
3 17 (5.78%) Rust
4 15 (5.10%) C
4 15 (5.10%) Java
5 11 (3.74%) JavaScript
6 9 (3.06%) C#
7 5 (1.70%) Go
8 2 (0.68%) Scala
9 1 (0.34%) Assembly Language
9 1 (0.34%) Kotlin
9 1 (0.34%) PHP
9 1 (0.34%) SQL
Qualifications
1 24 (8.16%) Degree
2 14 (4.76%) Computer Science Degree
3 9 (3.06%) BPSS Clearance
3 9 (3.06%) Security Cleared
4 8 (2.72%) DV Cleared
4 8 (2.72%) SC Cleared
5 2 (0.68%) Chartered Engineer
5 2 (0.68%) HND
Quality Assurance & Compliance
1 17 (5.78%) QA
2 4 (1.36%) Accessibility
3 3 (1.02%) DO-178B
4 1 (0.34%) GDPR
System Software
1 4 (1.36%) Docker
Systems Management
1 6 (2.04%) Kubernetes
2 2 (0.68%) Terraform
3 1 (0.34%) Prometheus
Vendors
1 8 (2.72%) Palantir
2 3 (1.02%) Microsoft
3 1 (0.34%) Oracle
3 1 (0.34%) Sitecore