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 3 August 2026.

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

6 months to
3 Aug 2026
Same period 2025 Same period 2024
Rank 483 625 623
Rank change year-on-year +142 -2 +127
Permanent jobs requiring a Principal Software Engineer 315 70 205
As % of all permanent jobs in the UK 0.30% 0.14% 0.25%
As % of the Job Titles category 0.32% 0.16% 0.26%
Number of salaries quoted 214 47 140
10th Percentile £70,000 £66,800 £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% -4.23%
75th Percentile £100,000 £114,375 £100,938
90th Percentile £120,000 £126,000 £117,625
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 97,698 44,800 78,990
% of permanent jobs with a recognized job title 94.23% 90.07% 94.90%
Number of salaries quoted 66,827 26,689 53,699
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 £71,915
90th Percentile £96,250 £95,000 £90,844
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 3 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 3 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 +148 296 £90,000 -10.00% 108
UK excluding London +88 242 £85,000 +13.33% 63
South East +45 82 £85,000 +27.82% 15
London +8 70 £100,000 -13.04% 46
North of England +17 64 £90,000 +20.00% 17
Work from Home +23 52 £100,000 -10.11% 27
South West -32 43 £80,000 -20.00% 9
North West +29 39 £90,000 +20.00% 13
East of England +3 30 £80,000 - 13
Scotland +21 16 £95,000 +26.67% 2
North East - 14 £110,000 - 2
Yorkshire - 11 £100,000 - 2
East Midlands -17 7 - - 6
Midlands -26 7 - - 6

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

For the 6 months to 3 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.

1 315 (100.00%) Software Engineering
2 37 (11.75%) AI
3 36 (11.43%) C++
4 34 (10.79%) Python
5 33 (10.48%) Technical Leadership
6 31 (9.84%) Agile
6 31 (9.84%) TypeScript
7 28 (8.89%) Degree
8 27 (8.57%) AWS
9 24 (7.62%) Full-Stack Development
10 23 (7.30%) Computer Science
10 23 (7.30%) React
11 21 (6.67%) Mentoring
12 20 (6.35%) CI/CD
13 19 (6.03%) Java
13 19 (6.03%) Linux
14 18 (5.71%) Mathematics
15 17 (5.40%) Continuous Improvement
15 17 (5.40%) Creative Thinking
15 17 (5.40%) Event-Driven
15 17 (5.40%) Microservices
15 17 (5.40%) QA
15 17 (5.40%) Rust
16 16 (5.08%) C
16 16 (5.08%) DevOps
17 15 (4.76%) Computer Science Degree
17 15 (4.76%) SDLC
17 15 (4.76%) Workflow
18 13 (4.13%) BPSS Clearance
18 13 (4.13%) 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 (0.63%) CMS
2 1 (0.32%) Sitecore CMS
2 1 (0.32%) Umbraco
2 1 (0.32%) WinCC
Applications
1 3 (0.95%) Microsoft Excel
1 3 (0.95%) Microsoft Office
1 3 (0.95%) Microsoft PowerPoint
Cloud Services
1 27 (8.57%) AWS
2 9 (2.86%) SaaS
3 7 (2.22%) Azure
4 4 (1.27%) GCP
5 3 (0.95%) Serverless
6 2 (0.63%) Azure DevOps
7 1 (0.32%) Amazon Bedrock
7 1 (0.32%) Amazon S3
7 1 (0.32%) Azure API Management
7 1 (0.32%) Azure Functions
7 1 (0.32%) Azure Logic Apps
7 1 (0.32%) Datadog
7 1 (0.32%) Dynamics 365
7 1 (0.32%) GitHub
7 1 (0.32%) GitHub Copilot
7 1 (0.32%) n8n
7 1 (0.32%) Power Automate
7 1 (0.32%) Power Platform
7 1 (0.32%) Vertex AI
Communications & Networking
1 6 (1.90%) Multicast
1 6 (1.90%) Wireless
2 2 (0.63%) Bluetooth
2 2 (0.63%) TCP/IP
2 2 (0.63%) Wi-Fi
2 2 (0.63%) ZigBee
3 1 (0.32%) 5G
Database & Business Intelligence
1 6 (1.90%) GIS
2 4 (1.27%) Redis
2 4 (1.27%) SQL Server
3 2 (0.63%) Metadata
3 2 (0.63%) MySQL
3 2 (0.63%) PostgreSQL
4 1 (0.32%) Big Data
4 1 (0.32%) Data Warehouse
4 1 (0.32%) MariaDB
4 1 (0.32%) Pinecone
4 1 (0.32%) SQLite
Development Applications
1 6 (1.90%) JIRA
2 4 (1.27%) Rational Rhapsody
3 1 (0.32%) Claude Code
3 1 (0.32%) Git
3 1 (0.32%) Jaeger
General
1 35 (11.11%) Finance
2 17 (5.40%) Retail
3 13 (4.13%) Aerospace
4 12 (3.81%) Banking
5 11 (3.49%) Social Skills
6 9 (2.86%) Electronics
7 7 (2.22%) Inclusion and Diversity
8 6 (1.90%) Military
9 5 (1.59%) Marketing
10 4 (1.27%) Front Office
10 4 (1.27%) Law
11 3 (0.95%) Financial Institution
11 3 (0.95%) Legal
12 2 (0.63%) Games
13 1 (0.32%) Analytical Skills
13 1 (0.32%) Influencing Skills
13 1 (0.32%) Manufacturing
13 1 (0.32%) Public Sector
13 1 (0.32%) Retail Banking
Libraries, Frameworks & Software Standards
1 23 (7.30%) React
2 10 (3.17%) .NET
2 10 (3.17%) Unreal Engine
3 7 (2.22%) Spring Boot
4 6 (1.90%) Boost C++ Libraries
4 6 (1.90%) FIX Protocol
4 6 (1.90%) Node.js
4 6 (1.90%) pytest
5 5 (1.59%) Spring
6 4 (1.27%) AngularJS
7 3 (0.95%) Godot
7 3 (0.95%) Next.js
8 2 (0.63%) CrewAI
8 2 (0.63%) Kafka
8 2 (0.63%) Lambda Expressions
8 2 (0.63%) LangChain
8 2 (0.63%) Vue
9 1 (0.32%) .NET Core
9 1 (0.32%) LangGraph
9 1 (0.32%) Redux
Miscellaneous
1 19 (6.03%) Cloud Native
2 16 (5.08%) Distributed Systems
3 12 (3.81%) Embedded Systems
3 12 (3.81%) Product Ownership
4 9 (2.86%) IoT
5 7 (2.22%) Fixed Income
5 7 (2.22%) Foreign Exchange (FX)
5 7 (2.22%) Public Cloud
6 6 (1.90%) Algorithms
6 6 (1.90%) Derivative
6 6 (1.90%) Enterprise Software
6 6 (1.90%) Equities
6 6 (1.90%) Smart Energy
7 4 (1.27%) AI Agents
7 4 (1.27%) Robotics
8 2 (0.63%) Culture of Ownership
8 2 (0.63%) Distributed Architecture
8 2 (0.63%) Legacy Applications
8 2 (0.63%) Onboarding
8 2 (0.63%) Virtual Team
Operating Systems
1 19 (6.03%) Linux
2 2 (0.63%) Embedded Linux
2 2 (0.63%) FreeRTOS
Processes & Methodologies
1 315 (100.00%) Software Engineering
2 37 (11.75%) AI
3 33 (10.48%) Technical Leadership
4 31 (9.84%) Agile
5 24 (7.62%) Full-Stack Development
6 23 (7.30%) Computer Science
7 21 (6.67%) Mentoring
8 20 (6.35%) CI/CD
9 18 (5.71%) Mathematics
10 17 (5.40%) Continuous Improvement
10 17 (5.40%) Creative Thinking
10 17 (5.40%) Event-Driven
10 17 (5.40%) Microservices
11 16 (5.08%) DevOps
12 15 (4.76%) SDLC
12 15 (4.76%) Workflow
13 13 (4.13%) Open Source
13 13 (4.13%) Software Architecture
14 12 (3.81%) Physics
15 10 (3.17%) Validation
Programming Languages
1 36 (11.43%) C++
2 34 (10.79%) Python
3 31 (9.84%) TypeScript
4 19 (6.03%) Java
5 17 (5.40%) Rust
6 16 (5.08%) C
7 12 (3.81%) JavaScript
8 11 (3.49%) C#
9 7 (2.22%) Go
10 4 (1.27%) Scala
11 2 (0.63%) PHP
11 2 (0.63%) SQL
12 1 (0.32%) Assembly Language
12 1 (0.32%) Kotlin
12 1 (0.32%) R
12 1 (0.32%) Ruby
Qualifications
1 28 (8.89%) Degree
2 15 (4.76%) Computer Science Degree
3 13 (4.13%) BPSS Clearance
4 10 (3.17%) Security Cleared
5 9 (2.86%) DV Cleared
5 9 (2.86%) SC Cleared
6 3 (0.95%) Chartered Engineer
6 3 (0.95%) HND
7 1 (0.32%) Microsoft Certified Professional
Quality Assurance & Compliance
1 17 (5.40%) QA
2 5 (1.59%) Accessibility
3 4 (1.27%) DO-178B
4 1 (0.32%) GDPR
4 1 (0.32%) IEC 61131
4 1 (0.32%) IEC 61508
System Software
1 5 (1.59%) Docker
Systems Management
1 7 (2.22%) Kubernetes
2 2 (0.63%) Terraform
3 1 (0.32%) Prometheus
Vendors
1 8 (2.54%) Palantir
2 4 (1.27%) Microsoft
3 1 (0.32%) Databricks
3 1 (0.32%) Google
3 1 (0.32%) OpenAI
3 1 (0.32%) Oracle
3 1 (0.32%) Siemens
3 1 (0.32%) Sitecore