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 6 August 2026.

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

6 months to
6 Aug 2026
Same period 2025 Same period 2024
Rank 490 626 606
Rank change year-on-year +136 -20 +146
Permanent jobs requiring a Principal Software Engineer 327 69 212
As % of all permanent jobs in the UK 0.31% 0.14% 0.25%
As % of the Job Titles category 0.33% 0.15% 0.27%
Number of salaries quoted 218 45 143
10th Percentile £70,000 £68,000 £65,000
25th Percentile £76,250 £72,500 £70,000
Median annual salary (50th Percentile) £90,000 £95,000 £85,000
Median % change year-on-year -5.26% +11.76% -2.86%
75th Percentile £100,000 £113,750 £106,250
90th Percentile £120,000 £125,000 £118,750
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 98,527 44,645 79,471
% of permanent jobs with a recognized job title 94.16% 90.04% 94.94%
Number of salaries quoted 67,450 26,505 53,682
10th Percentile £30,000 £28,500 £30,000
25th Percentile £40,000 £37,000 £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 £71,991
90th Percentile £96,250 £95,000 £91,250
UK excluding London median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - -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 6 August 2026.

Salary histogram for Principal Software Engineer in the UK

Principal Software Engineer
Top 14 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 6 August 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 +133 308 £90,000 -10.00% 147
UK excluding London +93 250 £85,000 +13.33% 85
South East +27 83 £80,000 +17.65% 19
London +5 74 £100,000 -13.04% 61
North of England +19 66 £95,000 +26.67% 19
Work from Home +4 56 £100,000 -10.11% 35
South West -22 45 £80,000 -20.00% 20
North West +28 41 £90,000 +20.00% 14
East of England +2 30 £80,000 - 15
Scotland +36 16 £95,000 +26.67% 5
North East - 14 £110,000 - 2
Yorkshire - 11 £100,000 - 3
East Midlands -10 10 £70,000 -5.08% 6
Midlands -32 10 £70,000 -5.08% 8

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

For the 6 months to 6 August 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.

1 327 (100.00%) Software Engineering
2 39 (11.93%) AI
3 35 (10.70%) Agile
3 35 (10.70%) C++
4 34 (10.40%) Python
5 33 (10.09%) Technical Leadership
6 31 (9.48%) Degree
6 31 (9.48%) TypeScript
7 28 (8.56%) AWS
8 25 (7.65%) Computer Science
9 24 (7.34%) Full-Stack Development
10 23 (7.03%) React
11 21 (6.42%) Mentoring
12 20 (6.12%) CI/CD
12 20 (6.12%) Java
13 19 (5.81%) Linux
13 19 (5.81%) Mathematics
14 17 (5.20%) Computer Science Degree
14 17 (5.20%) Continuous Improvement
14 17 (5.20%) Creative Thinking
14 17 (5.20%) Event-Driven
14 17 (5.20%) Microservices
14 17 (5.20%) QA
14 17 (5.20%) Rust
14 17 (5.20%) SDLC
15 16 (4.89%) BPSS Clearance
15 16 (4.89%) C
15 16 (4.89%) DevOps
16 15 (4.59%) Workflow
17 14 (4.28%) Open Source

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 (0.61%) CMS
1 2 (0.61%) WinCC
2 1 (0.31%) Sitecore CMS
2 1 (0.31%) Umbraco
Applications
1 3 (0.92%) Microsoft Excel
1 3 (0.92%) Microsoft Office
1 3 (0.92%) Microsoft PowerPoint
Cloud Services
1 28 (8.56%) AWS
2 9 (2.75%) SaaS
3 7 (2.14%) Azure
4 4 (1.22%) GCP
5 3 (0.92%) Serverless
6 2 (0.61%) Azure DevOps
7 1 (0.31%) Amazon Bedrock
7 1 (0.31%) Amazon S3
7 1 (0.31%) Azure API Management
7 1 (0.31%) Azure Functions
7 1 (0.31%) Azure Logic Apps
7 1 (0.31%) Datadog
7 1 (0.31%) Dynamics 365
7 1 (0.31%) GitHub
7 1 (0.31%) GitHub Copilot
7 1 (0.31%) n8n
7 1 (0.31%) Power Automate
7 1 (0.31%) Power Platform
7 1 (0.31%) Vertex AI
Communications & Networking
1 6 (1.83%) Multicast
1 6 (1.83%) Wireless
2 2 (0.61%) Bluetooth
2 2 (0.61%) TCP/IP
2 2 (0.61%) Wi-Fi
2 2 (0.61%) ZigBee
3 1 (0.31%) 5G
Database & Business Intelligence
1 6 (1.83%) GIS
2 4 (1.22%) Redis
2 4 (1.22%) SQL Server
3 2 (0.61%) Metadata
3 2 (0.61%) MySQL
3 2 (0.61%) PostgreSQL
4 1 (0.31%) Big Data
4 1 (0.31%) Data Warehouse
4 1 (0.31%) MariaDB
4 1 (0.31%) Pinecone
4 1 (0.31%) SQLite
Development Applications
1 6 (1.83%) JIRA
2 4 (1.22%) Rational Rhapsody
3 1 (0.31%) Claude Code
3 1 (0.31%) Git
3 1 (0.31%) Jaeger
General
1 39 (11.93%) Finance
2 18 (5.50%) Retail
3 16 (4.89%) Aerospace
4 13 (3.98%) Banking
5 11 (3.36%) Electronics
5 11 (3.36%) Social Skills
6 10 (3.06%) Inclusion and Diversity
7 7 (2.14%) Military
8 5 (1.53%) Law
8 5 (1.53%) Marketing
9 4 (1.22%) Financial Institution
9 4 (1.22%) Front Office
9 4 (1.22%) Legal
10 2 (0.61%) Games
10 2 (0.61%) Manufacturing
10 2 (0.61%) Public Sector
11 1 (0.31%) Analytical Skills
11 1 (0.31%) Influencing Skills
11 1 (0.31%) Retail Banking
Libraries, Frameworks & Software Standards
1 23 (7.03%) React
2 10 (3.06%) .NET
3 9 (2.75%) Unreal Engine
4 8 (2.45%) Spring Boot
5 6 (1.83%) Boost C++ Libraries
5 6 (1.83%) FIX Protocol
5 6 (1.83%) Node.js
5 6 (1.83%) pytest
5 6 (1.83%) Spring
6 4 (1.22%) AngularJS
7 3 (0.92%) Godot
7 3 (0.92%) Next.js
8 2 (0.61%) CrewAI
8 2 (0.61%) Kafka
8 2 (0.61%) Lambda Expressions
8 2 (0.61%) LangChain
8 2 (0.61%) PyTorch
8 2 (0.61%) TensorFlow
8 2 (0.61%) Vue
9 1 (0.31%) Model Context Protocol
Miscellaneous
1 21 (6.42%) Cloud Native
2 16 (4.89%) Distributed Systems
3 12 (3.67%) Embedded Systems
3 12 (3.67%) Product Ownership
4 9 (2.75%) IoT
5 8 (2.45%) Public Cloud
6 7 (2.14%) Fixed Income
6 7 (2.14%) Foreign Exchange (FX)
7 6 (1.83%) AI Agents
7 6 (1.83%) Algorithms
7 6 (1.83%) Derivative
7 6 (1.83%) Enterprise Software
7 6 (1.83%) Equities
7 6 (1.83%) Smart Energy
8 4 (1.22%) Robotics
9 3 (0.92%) Virtual Team
10 2 (0.61%) Culture of Ownership
10 2 (0.61%) Distributed Architecture
10 2 (0.61%) Legacy Applications
10 2 (0.61%) Onboarding
Operating Systems
1 19 (5.81%) Linux
2 2 (0.61%) Embedded Linux
2 2 (0.61%) FreeRTOS
Processes & Methodologies
1 327 (100.00%) Software Engineering
2 39 (11.93%) AI
3 35 (10.70%) Agile
4 33 (10.09%) Technical Leadership
5 25 (7.65%) Computer Science
6 24 (7.34%) Full-Stack Development
7 21 (6.42%) Mentoring
8 20 (6.12%) CI/CD
9 19 (5.81%) Mathematics
10 17 (5.20%) Continuous Improvement
10 17 (5.20%) Creative Thinking
10 17 (5.20%) Event-Driven
10 17 (5.20%) Microservices
10 17 (5.20%) SDLC
11 16 (4.89%) DevOps
12 15 (4.59%) Workflow
13 14 (4.28%) Open Source
14 13 (3.98%) Software Architecture
14 13 (3.98%) Validation
15 12 (3.67%) Physics
Programming Languages
1 35 (10.70%) C++
2 34 (10.40%) Python
3 31 (9.48%) TypeScript
4 20 (6.12%) Java
5 17 (5.20%) Rust
6 16 (4.89%) C
7 12 (3.67%) JavaScript
8 11 (3.36%) C#
9 7 (2.14%) Go
10 4 (1.22%) Scala
11 2 (0.61%) PHP
11 2 (0.61%) SQL
12 1 (0.31%) Assembly Language
12 1 (0.31%) Kotlin
12 1 (0.31%) R
12 1 (0.31%) Ruby
Qualifications
1 31 (9.48%) Degree
2 17 (5.20%) Computer Science Degree
3 16 (4.89%) BPSS Clearance
4 13 (3.98%) Security Cleared
5 12 (3.67%) DV Cleared
5 12 (3.67%) SC Cleared
6 3 (0.92%) Chartered Engineer
6 3 (0.92%) HND
7 1 (0.31%) Microsoft Certified Professional
Quality Assurance & Compliance
1 17 (5.20%) QA
2 7 (2.14%) Accessibility
3 4 (1.22%) DO-178B
4 2 (0.61%) IEC 61131
4 2 (0.61%) IEC 61508
5 1 (0.31%) GDPR
System Software
1 5 (1.53%) Docker
Systems Management
1 7 (2.14%) Kubernetes
2 2 (0.61%) Terraform
3 1 (0.31%) Prometheus
Vendors
1 8 (2.45%) Palantir
2 4 (1.22%) Microsoft
3 2 (0.61%) Siemens
4 1 (0.31%) Databricks
4 1 (0.31%) Google
4 1 (0.31%) OpenAI
4 1 (0.31%) Oracle
4 1 (0.31%) Sitecore