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 21 June 2026.

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

6 months to
21 Jun 2026
Same period 2025 Same period 2024
Rank 476 601 670
Rank change year-on-year +125 +69 +150
Permanent jobs requiring a Principal Software Engineer 289 60 245
As % of all permanent jobs in the UK 0.31% 0.13% 0.22%
As % of the Job Titles category 0.33% 0.15% 0.24%
Number of salaries quoted 213 40 163
10th Percentile £70,000 £64,750 £65,000
25th Percentile £82,500 £68,000 £70,000
Median annual salary (50th Percentile) £90,000 £75,000 £80,000
Median % change year-on-year +20.00% -6.25% -11.11%
75th Percentile £100,000 £109,688 £100,000
90th Percentile £115,000 £126,500 £112,000
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 88,632 40,228 103,596
% of permanent jobs with a recognized job title 93.99% 89.47% 94.75%
Number of salaries quoted 60,836 22,885 74,815
10th Percentile £30,000 £28,750 £28,500
25th Percentile £40,000 £38,750 £38,603
Median annual salary (50th Percentile) £55,000 £57,500 £52,500
Median % change year-on-year -4.35% +9.52% -12.50%
75th Percentile £75,000 £77,500 £70,000
90th Percentile £95,000 £98,474 £90,000
UK excluding London median annual salary £50,000 £50,000 £50,000
% change year-on-year - - -6.54%

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 21 June 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 21 June 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 +129 267 £90,000 +12.50% 33
UK excluding London +92 218 £85,000 +13.33% 33
South East +36 77 £85,000 +30.77% 18
London +39 69 £100,000 -20.00% 5
North of England +24 63 £90,000 +20.00% 3
Work from Home +33 40 £100,000 -2.44% 14
North West +27 33 £90,000 +20.00% 2
South West -32 30 £75,000 -25.00% 3
East of England +7 25 £85,000 - 6
North East - 19 £100,000 - 1
Scotland +14 17 £90,000 +20.00% 1
Yorkshire - 11 £100,000 -
Wales -47 4 £85,000 +25.00% 1
Midlands -22 2 - -
East Midlands -27 2 - -

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

For the 6 months to 21 June 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.

1 289 (100.00%) Software Engineering
2 29 (10.03%) Full-Stack Development
3 28 (9.69%) AI
4 26 (9.00%) AWS
5 24 (8.30%) C++
5 24 (8.30%) Technical Leadership
5 24 (8.30%) TypeScript
6 22 (7.61%) Microservices
7 21 (7.27%) React
8 20 (6.92%) Event-Driven
9 19 (6.57%) Mentoring
10 18 (6.23%) Python
11 17 (5.88%) Creative Thinking
12 16 (5.54%) Agile
13 14 (4.84%) CI/CD
13 14 (4.84%) Computer Science
13 14 (4.84%) QA
13 14 (4.84%) Rust
14 13 (4.50%) Degree
14 13 (4.50%) JavaScript
14 13 (4.50%) Linux
15 12 (4.15%) Java
16 11 (3.81%) Continuous Improvement
16 11 (3.81%) DevOps
16 11 (3.81%) Energy Management
16 11 (3.81%) Mathematics
16 11 (3.81%) Problem-Solving
16 11 (3.81%) Storage Management
17 10 (3.46%) Azure
17 10 (3.46%) C

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
Cloud Services
1 26 (9.00%) AWS
2 10 (3.46%) Azure
3 9 (3.11%) SaaS
4 5 (1.73%) GCP
5 3 (1.04%) Serverless
6 1 (0.35%) Azure DevOps
6 1 (0.35%) Datadog
6 1 (0.35%) GitHub
6 1 (0.35%) GitHub Copilot
Communications & Networking
1 4 (1.38%) Multicast
1 4 (1.38%) Wireless
2 2 (0.69%) Broadband
Database & Business Intelligence
1 5 (1.73%) GIS
2 3 (1.04%) Redis
2 3 (1.04%) SQL Server
3 2 (0.69%) BigQuery
3 2 (0.69%) Elasticsearch
4 1 (0.35%) PostgreSQL
Development Applications
1 4 (1.38%) JIRA
2 3 (1.04%) Rational Rhapsody
3 2 (0.69%) Jenkins
3 2 (0.69%) TeamCity
4 1 (0.35%) Claude Code
4 1 (0.35%) GitLab
4 1 (0.35%) Jaeger
4 1 (0.35%) Maven
General
1 21 (7.27%) Finance
2 16 (5.54%) Retail
3 6 (2.08%) Banking
3 6 (2.08%) Social Skills
4 3 (1.04%) Aerospace
4 3 (1.04%) Electronics
4 3 (1.04%) Military
5 2 (0.69%) Front Office
5 2 (0.69%) Influencing Skills
5 2 (0.69%) Marketing
6 1 (0.35%) Analytical Skills
6 1 (0.35%) Games
6 1 (0.35%) Health Technology
6 1 (0.35%) Public Sector
Libraries, Frameworks & Software Standards
1 21 (7.27%) React
2 8 (2.77%) Unreal Engine
3 7 (2.42%) .NET
3 7 (2.42%) Node.js
4 6 (2.08%) Spring Boot
5 5 (1.73%) Spring
6 4 (1.38%) Boost C++ Libraries
6 4 (1.38%) FIX Protocol
6 4 (1.38%) Next.js
6 4 (1.38%) pytest
7 3 (1.04%) AngularJS
7 3 (1.04%) Lambda Expressions
8 2 (0.69%) Akka
8 2 (0.69%) Django
8 2 (0.69%) Vue
9 1 (0.35%) .NET Core
9 1 (0.35%) Flask
9 1 (0.35%) GraphQL
9 1 (0.35%) koa
9 1 (0.35%) Redux
Miscellaneous
1 18 (6.23%) Cloud Native
2 14 (4.84%) IoT
3 12 (4.15%) Product Ownership
4 11 (3.81%) Smart Energy
5 10 (3.46%) Distributed Systems
6 9 (3.11%) Foreign Exchange (FX)
7 8 (2.77%) Embedded Systems
8 6 (2.08%) Algorithms
9 5 (1.73%) Enterprise Software
9 5 (1.73%) Fixed Income
10 4 (1.38%) Derivative
10 4 (1.38%) Equities
11 3 (1.04%) Legacy Applications
12 2 (0.69%) AI Agents
12 2 (0.69%) Data Structures
12 2 (0.69%) Greenfield Project
12 2 (0.69%) Over-the-Top Content
12 2 (0.69%) Robotics
12 2 (0.69%) Video\Live Streaming
13 1 (0.35%) Blockchain
Operating Systems
1 13 (4.50%) Linux
Processes & Methodologies
1 289 (100.00%) Software Engineering
2 29 (10.03%) Full-Stack Development
3 28 (9.69%) AI
4 24 (8.30%) Technical Leadership
5 22 (7.61%) Microservices
6 20 (6.92%) Event-Driven
7 19 (6.57%) Mentoring
8 17 (5.88%) Creative Thinking
9 16 (5.54%) Agile
10 14 (4.84%) CI/CD
10 14 (4.84%) Computer Science
11 11 (3.81%) Continuous Improvement
11 11 (3.81%) DevOps
11 11 (3.81%) Energy Management
11 11 (3.81%) Mathematics
11 11 (3.81%) Problem-Solving
11 11 (3.81%) Storage Management
12 10 (3.46%) Decision-Making
12 10 (3.46%) Software Architecture
12 10 (3.46%) Workflow
Programming Languages
1 24 (8.30%) C++
1 24 (8.30%) TypeScript
2 18 (6.23%) Python
3 14 (4.84%) Rust
4 13 (4.50%) JavaScript
5 12 (4.15%) Java
6 10 (3.46%) C
7 6 (2.08%) C#
8 4 (1.38%) Go
9 3 (1.04%) SQL
10 2 (0.69%) Scala
11 1 (0.35%) Assembly Language
Qualifications
1 13 (4.50%) Degree
2 10 (3.46%) Computer Science Degree
3 3 (1.04%) BPSS Clearance
Quality Assurance & Compliance
1 14 (4.84%) QA
2 3 (1.04%) DO-178B
3 1 (0.35%) GDPR
System Software
1 7 (2.42%) Docker
Systems Management
1 9 (3.11%) Kubernetes
2 2 (0.69%) Terraform
3 1 (0.35%) Prometheus
Vendors
1 7 (2.42%) Palantir
2 2 (0.69%) Google
2 2 (0.69%) Microsoft
3 1 (0.35%) Sitecore