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 30 August 2026.

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

6 months to
30 Aug 2026
Same period 2025 Same period 2024
Rank 451 606 581
Rank change year-on-year +155 -25 +148
Permanent jobs requiring a Principal Software Engineer 368 68 221
As % of all permanent jobs in the UK 0.33% 0.14% 0.27%
As % of the Job Titles category 0.36% 0.15% 0.29%
Number of salaries quoted 235 46 152
10th Percentile £70,000 £68,000 £65,000
25th Percentile £80,000 £72,500 £70,000
Median annual salary (50th Percentile) £90,000 £100,000 £85,000
Median % change year-on-year -10.00% +17.65% +3.03%
75th Percentile £100,000 £115,000 £116,250
90th Percentile £114,000 £125,625 £145,000
UK excluding London median annual salary £85,000 £75,000 £75,000
% change year-on-year +13.33% - -3.23%

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 103,208 44,989 77,310
% of permanent jobs with a recognized job title 93.87% 89.84% 95.15%
Number of salaries quoted 70,871 26,760 49,758
10th Percentile £30,000 £28,250 £30,000
25th Percentile £40,000 £36,250 £40,000
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - -8.33%
75th Percentile £75,000 £74,888 £72,500
90th Percentile £97,500 £95,000 £91,250
UK excluding London median annual salary £55,000 £47,500 £50,000
% change year-on-year +15.79% -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 30 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 30 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 +163 347 £90,000 -10.00% 123
UK excluding London +116 289 £85,000 +13.33% 88
South East +21 81 £85,000 +25.00% 20
Work from Home +28 77 £90,000 -18.18% 37
London +4 72 £100,000 -13.04% 44
North of England +6 68 £95,000 +26.67% 16
South West -11 68 £100,000 - 19
North West +24 44 £90,000 +20.00% 14
East of England +18 38 £85,000 -15.00% 17
East Midlands -12 20 £70,000 -5.08% 9
Midlands -21 20 £70,000 -5.08% 11
Scotland +12 14 £95,000 +26.67% 4
North East - 14 £110,000 -
Yorkshire - 10 £100,000 - 2

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

For the 6 months to 30 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.

1 368 (100.00%) Software Engineering
2 45 (12.23%) Technical Leadership
3 41 (11.14%) AI
4 39 (10.60%) Agile
5 36 (9.78%) Python
6 33 (8.97%) Degree
7 32 (8.70%) C++
8 30 (8.15%) TypeScript
9 29 (7.88%) AWS
10 27 (7.34%) Computer Science
11 25 (6.79%) Security Cleared
12 24 (6.52%) SC Cleared
13 23 (6.25%) Full-Stack Development
13 23 (6.25%) React
14 22 (5.98%) Java
15 20 (5.43%) CI/CD
15 20 (5.43%) Mathematics
15 20 (5.43%) Mentoring
16 19 (5.16%) Computer Science Degree
16 19 (5.16%) Linux
16 19 (5.16%) SDLC
17 18 (4.89%) BPSS Clearance
18 17 (4.62%) Continuous Improvement
18 17 (4.62%) Microservices
18 17 (4.62%) Open Source
18 17 (4.62%) Rust
19 16 (4.35%) C
19 16 (4.35%) DevOps
19 16 (4.35%) DV Cleared
19 16 (4.35%) Workflow

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 (0.54%) CMS
1 2 (0.54%) WinCC
2 1 (0.27%) Apache
2 1 (0.27%) Apache Airflow
2 1 (0.27%) Apache Spark
2 1 (0.27%) Sitecore CMS
2 1 (0.27%) Umbraco
Applications
1 3 (0.82%) Microsoft Excel
1 3 (0.82%) Microsoft Office
1 3 (0.82%) Microsoft PowerPoint
Cloud Services
1 29 (7.88%) AWS
2 10 (2.72%) Azure
3 9 (2.45%) SaaS
4 4 (1.09%) GCP
5 3 (0.82%) Amazon Bedrock
5 3 (0.82%) Azure DevOps
5 3 (0.82%) Serverless
6 2 (0.54%) Amazon S3
6 2 (0.54%) Azure API Management
6 2 (0.54%) Azure Functions
6 2 (0.54%) Azure Logic Apps
6 2 (0.54%) Dynamics 365
6 2 (0.54%) n8n
6 2 (0.54%) Power Automate
6 2 (0.54%) Power Platform
6 2 (0.54%) Vertex AI
7 1 (0.27%) Amazon OpenSearch
7 1 (0.27%) GitHub
7 1 (0.27%) GitHub Copilot
7 1 (0.27%) Snowflake
Communications & Networking
1 6 (1.63%) Multicast
1 6 (1.63%) Wireless
2 4 (1.09%) 5G
3 2 (0.54%) Bluetooth
3 2 (0.54%) TCP/IP
3 2 (0.54%) Wi-Fi
3 2 (0.54%) ZigBee
Database & Business Intelligence
1 6 (1.63%) GIS
2 4 (1.09%) Redis
2 4 (1.09%) SQL Server
3 3 (0.82%) MySQL
4 2 (0.54%) Big Data
4 2 (0.54%) Metadata
4 2 (0.54%) Pinecone
4 2 (0.54%) PostgreSQL
5 1 (0.27%) Apache Iceberg
5 1 (0.27%) Data Lake
5 1 (0.27%) Data Warehouse
5 1 (0.27%) Elasticsearch
5 1 (0.27%) MariaDB
5 1 (0.27%) NoSQL
5 1 (0.27%) Relational Database
5 1 (0.27%) SQLite
Development Applications
1 6 (1.63%) JIRA
2 4 (1.09%) Rational Rhapsody
3 1 (0.27%) Claude Code
3 1 (0.27%) Cypress.io
3 1 (0.27%) Git
3 1 (0.27%) Mocha
General
1 42 (11.41%) Finance
2 24 (6.52%) Aerospace
3 17 (4.62%) Electronics
4 15 (4.08%) Retail
5 14 (3.80%) Banking
5 14 (3.80%) Social Skills
6 13 (3.53%) Inclusion and Diversity
7 8 (2.17%) Military
8 7 (1.90%) Law
8 7 (1.90%) Marketing
9 6 (1.63%) Aviation
10 5 (1.36%) Financial Institution
11 4 (1.09%) Front Office
11 4 (1.09%) Legal
12 3 (0.82%) Games
12 3 (0.82%) Public Sector
13 2 (0.54%) Manufacturing
13 2 (0.54%) Retail Banking
14 1 (0.27%) Analytical Skills
14 1 (0.27%) Influencing Skills
Libraries, Frameworks & Software Standards
1 23 (6.25%) React
2 10 (2.72%) .NET
3 6 (1.63%) Boost C++ Libraries
3 6 (1.63%) FIX Protocol
3 6 (1.63%) pytest
3 6 (1.63%) Spring Boot
3 6 (1.63%) Unreal Engine
4 5 (1.36%) Node.js
5 4 (1.09%) AngularJS
5 4 (1.09%) CrewAI
5 4 (1.09%) LangChain
6 3 (0.82%) Godot
6 3 (0.82%) Kafka
6 3 (0.82%) PyTorch
6 3 (0.82%) Spring
6 3 (0.82%) TensorFlow
6 3 (0.82%) Terraform
7 2 (0.54%) Next.js
7 2 (0.54%) REST
7 2 (0.54%) Vue
Miscellaneous
1 21 (5.71%) Cloud Native
2 20 (5.43%) Distributed Systems
3 12 (3.26%) Embedded Systems
4 11 (2.99%) Public Cloud
5 10 (2.72%) Product Ownership
6 8 (2.17%) AI Agents
7 7 (1.90%) Enterprise Software
7 7 (1.90%) Fixed Income
7 7 (1.90%) IoT
8 6 (1.63%) Algorithms
8 6 (1.63%) Derivative
8 6 (1.63%) Equities
9 5 (1.36%) Foreign Exchange (FX)
10 4 (1.09%) Robotics
10 4 (1.09%) Smart Energy
10 4 (1.09%) Virtual Team
11 3 (0.82%) Culture of Ownership
11 3 (0.82%) Distributed Architecture
12 2 (0.54%) Legacy Systems
12 2 (0.54%) Onboarding
Operating Systems
1 19 (5.16%) Linux
2 2 (0.54%) Embedded Linux
2 2 (0.54%) FreeRTOS
Processes & Methodologies
1 368 (100.00%) Software Engineering
2 45 (12.23%) Technical Leadership
3 41 (11.14%) AI
4 39 (10.60%) Agile
5 27 (7.34%) Computer Science
6 23 (6.25%) Full-Stack Development
7 20 (5.43%) CI/CD
7 20 (5.43%) Mathematics
7 20 (5.43%) Mentoring
8 19 (5.16%) SDLC
9 17 (4.62%) Continuous Improvement
9 17 (4.62%) Microservices
9 17 (4.62%) Open Source
10 16 (4.35%) DevOps
10 16 (4.35%) Workflow
11 15 (4.08%) Software Architecture
11 15 (4.08%) Validation
12 14 (3.80%) People Management
13 13 (3.53%) Creative Thinking
14 12 (3.26%) Observability
Programming Languages
1 36 (9.78%) Python
2 32 (8.70%) C++
3 30 (8.15%) TypeScript
4 22 (5.98%) Java
5 17 (4.62%) Rust
6 16 (4.35%) C
7 13 (3.53%) C#
8 10 (2.72%) JavaScript
9 5 (1.36%) Go
9 5 (1.36%) Scala
10 3 (0.82%) PHP
10 3 (0.82%) SQL
11 2 (0.54%) R
11 2 (0.54%) Ruby
12 1 (0.27%) Assembly Language
12 1 (0.27%) Kotlin
Qualifications
1 33 (8.97%) Degree
2 25 (6.79%) Security Cleared
3 24 (6.52%) SC Cleared
4 19 (5.16%) Computer Science Degree
5 18 (4.89%) BPSS Clearance
6 16 (4.35%) DV Cleared
7 3 (0.82%) Chartered Engineer
7 3 (0.82%) HND
8 2 (0.54%) Microsoft Certified Professional
Quality Assurance & Compliance
1 15 (4.08%) QA
2 9 (2.45%) Accessibility
3 4 (1.09%) DO-178B
4 2 (0.54%) IEC 61131
4 2 (0.54%) IEC 61508
5 1 (0.27%) GDPR
System Software
1 5 (1.36%) Docker
Systems Management
1 6 (1.63%) Kubernetes
2 1 (0.27%) Ansible
2 1 (0.27%) Grafana
Vendors
1 8 (2.17%) Palantir
2 5 (1.36%) Microsoft
3 3 (0.82%) Databricks
3 3 (0.82%) OpenAI
4 2 (0.54%) Google
4 2 (0.54%) Siemens
5 1 (0.27%) Dynatrace
5 1 (0.27%) Oracle
5 1 (0.27%) Sitecore
5 1 (0.27%) Splunk