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 31 July 2026.

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

6 months to
31 Jul 2026
Same period 2025 Same period 2024
Rank 479 609 611
Rank change year-on-year +130 +2 +171
Permanent jobs requiring a Principal Software Engineer 308 70 209
As % of all permanent jobs in the UK 0.30% 0.14% 0.24%
As % of the Job Titles category 0.32% 0.16% 0.25%
Number of salaries quoted 213 47 143
10th Percentile £70,000 £66,800 £65,000
25th Percentile £80,000 £72,500 £70,000
Median annual salary (50th Percentile) £90,000 £95,000 £85,000
Median % change year-on-year -5.26% +11.76% -5.56%
75th Percentile £100,000 £114,375 £101,875
90th Percentile £120,000 £126,000 £117,250
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 96,998 44,483 82,509
% of permanent jobs with a recognized job title 94.27% 90.02% 94.82%
Number of salaries quoted 66,411 26,428 56,723
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% - -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 31 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 31 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 +129 289 £90,000 -10.00% 94
UK excluding London +103 238 £85,000 +13.33% 50
South East +26 81 £80,000 +20.30% 13
London +10 68 £100,000 -13.04% 47
North of England +26 65 £90,000 +20.00% 15
Work from Home +17 49 £100,000 -10.11% 22
South West -29 40 £80,000 -20.00% 6
North West +31 39 £90,000 +20.00% 13
East of England +7 29 £80,000 - 9
Scotland +21 16 £95,000 +26.67% 2
North East - 15 £110,000 -
Yorkshire - 11 £100,000 - 2
East Midlands -21 6 - - 3
Midlands -40 6 - - 3
Wales -59 1 £85,000 +18.14%

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

For the 6 months to 31 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.

1 308 (100.00%) Software Engineering
2 35 (11.36%) AI
2 35 (11.36%) C++
3 32 (10.39%) Python
4 31 (10.06%) TypeScript
5 30 (9.74%) Agile
5 30 (9.74%) Technical Leadership
6 26 (8.44%) AWS
6 26 (8.44%) Degree
7 24 (7.79%) Full-Stack Development
8 22 (7.14%) Computer Science
8 22 (7.14%) React
9 19 (6.17%) Linux
9 19 (6.17%) Mentoring
10 18 (5.84%) CI/CD
10 18 (5.84%) Java
10 18 (5.84%) Mathematics
11 17 (5.52%) Creative Thinking
11 17 (5.52%) Event-Driven
11 17 (5.52%) Microservices
11 17 (5.52%) QA
11 17 (5.52%) Rust
12 16 (5.19%) C
13 15 (4.87%) Continuous Improvement
13 15 (4.87%) Workflow
14 14 (4.55%) Computer Science Degree
14 14 (4.55%) DevOps
15 13 (4.22%) Open Source
15 13 (4.22%) SDLC
16 12 (3.90%) JavaScript

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 (0.65%) CMS
2 1 (0.32%) Sitecore CMS
2 1 (0.32%) Umbraco
2 1 (0.32%) WinCC
Applications
1 3 (0.97%) Microsoft Excel
1 3 (0.97%) Microsoft Office
1 3 (0.97%) Microsoft PowerPoint
Cloud Services
1 26 (8.44%) AWS
2 9 (2.92%) SaaS
3 6 (1.95%) Azure
4 4 (1.30%) GCP
5 2 (0.65%) Serverless
6 1 (0.32%) Amazon Bedrock
6 1 (0.32%) Amazon S3
6 1 (0.32%) Azure DevOps
6 1 (0.32%) Datadog
6 1 (0.32%) GitHub
6 1 (0.32%) GitHub Copilot
6 1 (0.32%) n8n
6 1 (0.32%) Vertex AI
Communications & Networking
1 6 (1.95%) Multicast
1 6 (1.95%) Wireless
2 2 (0.65%) Bluetooth
2 2 (0.65%) TCP/IP
2 2 (0.65%) Wi-Fi
2 2 (0.65%) ZigBee
3 1 (0.32%) 5G
Database & Business Intelligence
1 6 (1.95%) GIS
2 4 (1.30%) Redis
2 4 (1.30%) SQL Server
3 2 (0.65%) PostgreSQL
4 1 (0.32%) Big Data
4 1 (0.32%) Data Warehouse
4 1 (0.32%) MariaDB
4 1 (0.32%) Metadata
4 1 (0.32%) MySQL
4 1 (0.32%) Pinecone
4 1 (0.32%) SQLite
Development Applications
1 6 (1.95%) JIRA
2 4 (1.30%) Rational Rhapsody
3 1 (0.32%) Claude Code
3 1 (0.32%) Git
3 1 (0.32%) Jaeger
General
1 32 (10.39%) Finance
2 17 (5.52%) Retail
3 12 (3.90%) Banking
4 11 (3.57%) Aerospace
5 9 (2.92%) Social Skills
6 8 (2.60%) Electronics
7 6 (1.95%) Inclusion and Diversity
7 6 (1.95%) Military
8 4 (1.30%) Front Office
8 4 (1.30%) Marketing
9 3 (0.97%) Law
10 2 (0.65%) Financial Institution
10 2 (0.65%) Legal
11 1 (0.32%) Analytical Skills
11 1 (0.32%) Games
11 1 (0.32%) Influencing Skills
11 1 (0.32%) Manufacturing
11 1 (0.32%) Public Sector
11 1 (0.32%) Retail Banking
Libraries, Frameworks & Software Standards
1 22 (7.14%) React
2 10 (3.25%) .NET
2 10 (3.25%) Unreal Engine
3 7 (2.27%) Spring Boot
4 6 (1.95%) Boost C++ Libraries
4 6 (1.95%) FIX Protocol
4 6 (1.95%) Node.js
4 6 (1.95%) pytest
5 5 (1.62%) Spring
6 4 (1.30%) AngularJS
7 3 (0.97%) Godot
7 3 (0.97%) Next.js
8 2 (0.65%) CrewAI
8 2 (0.65%) Kafka
8 2 (0.65%) Lambda Expressions
8 2 (0.65%) LangChain
8 2 (0.65%) Vue
9 1 (0.32%) LangGraph
9 1 (0.32%) LlamaIndex
9 1 (0.32%) Model Context Protocol
Miscellaneous
1 19 (6.17%) Cloud Native
2 15 (4.87%) Distributed Systems
3 12 (3.90%) Embedded Systems
3 12 (3.90%) Product Ownership
4 9 (2.92%) IoT
5 7 (2.27%) Fixed Income
5 7 (2.27%) Foreign Exchange (FX)
5 7 (2.27%) Public Cloud
6 6 (1.95%) Algorithms
6 6 (1.95%) Derivative
6 6 (1.95%) Equities
6 6 (1.95%) Smart Energy
7 5 (1.62%) Enterprise Software
8 4 (1.30%) AI Agents
8 4 (1.30%) Robotics
9 2 (0.65%) Legacy Applications
9 2 (0.65%) Virtual Team
10 1 (0.32%) Distributed Computing
10 1 (0.32%) Legacy Systems
10 1 (0.32%) Onboarding
Operating Systems
1 19 (6.17%) Linux
2 2 (0.65%) Embedded Linux
2 2 (0.65%) FreeRTOS
Processes & Methodologies
1 308 (100.00%) Software Engineering
2 35 (11.36%) AI
3 30 (9.74%) Agile
3 30 (9.74%) Technical Leadership
4 24 (7.79%) Full-Stack Development
5 22 (7.14%) Computer Science
6 19 (6.17%) Mentoring
7 18 (5.84%) CI/CD
7 18 (5.84%) Mathematics
8 17 (5.52%) Creative Thinking
8 17 (5.52%) Event-Driven
8 17 (5.52%) Microservices
9 15 (4.87%) Continuous Improvement
9 15 (4.87%) Workflow
10 14 (4.55%) DevOps
11 13 (4.22%) Open Source
11 13 (4.22%) SDLC
12 12 (3.90%) Physics
12 12 (3.90%) Software Architecture
13 9 (2.92%) Validation
Programming Languages
1 35 (11.36%) C++
2 32 (10.39%) Python
3 31 (10.06%) TypeScript
4 18 (5.84%) Java
5 17 (5.52%) Rust
6 16 (5.19%) C
7 12 (3.90%) JavaScript
8 10 (3.25%) C#
9 6 (1.95%) Go
10 3 (0.97%) Scala
11 2 (0.65%) SQL
12 1 (0.32%) Assembly Language
12 1 (0.32%) Kotlin
12 1 (0.32%) PHP
12 1 (0.32%) R
12 1 (0.32%) Ruby
Qualifications
1 26 (8.44%) Degree
2 14 (4.55%) Computer Science Degree
3 11 (3.57%) BPSS Clearance
4 9 (2.92%) Security Cleared
5 8 (2.60%) DV Cleared
5 8 (2.60%) SC Cleared
6 2 (0.65%) Chartered Engineer
6 2 (0.65%) HND
7 1 (0.32%) Microsoft Certified Professional
Quality Assurance & Compliance
1 17 (5.52%) QA
2 4 (1.30%) Accessibility
2 4 (1.30%) DO-178B
3 1 (0.32%) GDPR
3 1 (0.32%) IEC 61131
3 1 (0.32%) IEC 61508
System Software
1 5 (1.62%) Docker
Systems Management
1 7 (2.27%) Kubernetes
2 2 (0.65%) Terraform
3 1 (0.32%) Prometheus
Vendors
1 8 (2.60%) Palantir
2 3 (0.97%) 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