Principal Software Engineer Job Trends

Principal Software Engineer
UK

The median Principal Software Engineer salary in the UK is £85,000 per year, according to job vacancies posted during the 6 months leading to 19 November 2025.

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

6 months to
19 Nov 2025
Same period 2024 Same period 2023
Rank 574 591 673
Rank change year-on-year +17 +82 +167
Permanent jobs requiring a Principal Software Engineer 79 167 52
As % of all permanent jobs in the UK 0.15% 0.25% 0.100%
As % of the Job Titles category 0.17% 0.26% 0.10%
Number of salaries quoted 51 115 36
10th Percentile £68,750 £67,500 £65,000
25th Percentile £72,500 £75,000 £70,000
Median annual salary (50th Percentile) £85,000 £90,000 £77,500
Median % change year-on-year -5.56% +16.13% -3.13%
75th Percentile £113,125 £116,250 £91,250
90th Percentile £118,750 £147,500 £115,000
UK excluding London median annual salary £80,000 £75,000 £77,000
% change year-on-year +6.67% -2.60% +9.91%

All Permanent IT Job Vacancies
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 47,639 63,412 49,716
% of permanent jobs with a recognized job title 90.05% 94.54% 95.39%
Number of salaries quoted 29,798 35,443 38,501
10th Percentile £28,250 £31,750 £31,250
25th Percentile £35,500 £42,500 £42,500
Median annual salary (50th Percentile) £53,000 £57,500 £60,000
Median % change year-on-year -7.83% -4.17% -
75th Percentile £73,750 £75,500 £80,000
90th Percentile £92,500 £95,000 £97,500
UK excluding London median annual salary £47,500 £51,242 £52,500
% change year-on-year -7.30% -2.40% -

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 19 November 2025.

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 19 November 2025. 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 +28 72 £86,500 -8.95% 89
UK excluding London +50 55 £80,000 +6.67% 59
London +12 24 £110,000 +2.33% 25
Work from Home +22 17 £95,000 -11.63% 24
South East +18 16 £68,000 -9.33% 24
South West +29 15 £80,000 - 5
East of England +20 8 £80,000 +28.00% 25
Midlands +47 5 £75,000 +7.14% 2
Scotland +2 5 - - 2
North of England +51 4 £90,000 +28.57% 4
West Midlands +39 4 - -
North West +31 4 £90,000 +12.50% 3
Wales - 2 £75,900 - 1
East Midlands +23 1 £75,000 -21.05% 2

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

For the 6 months to 19 November 2025, 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 79 (100.00%) Software Engineering
2 24 (30.38%) AWS
3 23 (29.11%) Microservices
4 21 (26.58%) Agile
5 19 (24.05%) React
6 18 (22.78%) Computer Science
7 17 (21.52%) Kubernetes
8 16 (20.25%) Degree
8 16 (20.25%) Kafka
9 15 (18.99%) CI/CD
10 14 (17.72%) TypeScript
11 13 (16.46%) Java
12 12 (15.19%) Full-Stack Development
12 12 (15.19%) Mentoring
13 11 (13.92%) Ada
13 11 (13.92%) Ada 95
13 11 (13.92%) BPSS Clearance
13 11 (13.92%) Chartered Engineer
13 11 (13.92%) Coaching
13 11 (13.92%) Configuration Management
13 11 (13.92%) ISO/IEC 12207
13 11 (13.92%) UML
13 11 (13.92%) Waterfall
14 10 (12.66%) DevOps
14 10 (12.66%) Docker
14 10 (12.66%) Event-Driven
14 10 (12.66%) Problem-Solving
14 10 (12.66%) Security Cleared
14 10 (12.66%) Spring
14 10 (12.66%) Spring Boot

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 3 (3.80%) Confluence
Cloud Services
1 24 (30.38%) AWS
2 9 (11.39%) GCP
3 7 (8.86%) Amazon EKS
4 5 (6.33%) Amazon CloudWatch
4 5 (6.33%) Amazon MSK
4 5 (6.33%) Amazon OpenSearch
4 5 (6.33%) Azure
5 2 (2.53%) Amazon Bedrock
5 2 (2.53%) Amazon EventBridge
5 2 (2.53%) Amazon Kinesis
5 2 (2.53%) Amazon SQS
5 2 (2.53%) AWS Lambda
5 2 (2.53%) AWS Step Functions
5 2 (2.53%) Azure AKS
5 2 (2.53%) Serverless
6 1 (1.27%) Amazon ECS
6 1 (1.27%) Cloud Computing
6 1 (1.27%) Cloudflare
6 1 (1.27%) SaaS
Communications & Networking
1 2 (2.53%) Multicast
Database & Business Intelligence
1 6 (7.59%) MongoDB
2 5 (6.33%) PostgreSQL
3 3 (3.80%) NoSQL
4 2 (2.53%) DynamoDB
5 1 (1.27%) Big Data
5 1 (1.27%) BigQuery
5 1 (1.27%) Elasticsearch
Development Applications
1 8 (10.13%) Git
2 5 (6.33%) Cypress.io
2 5 (6.33%) Jenkins
2 5 (6.33%) JIRA
3 2 (2.53%) Ant
3 2 (2.53%) Plastic SCM
3 2 (2.53%) SonarQube
3 2 (2.53%) webpack
4 1 (1.27%) GitLab
General
1 8 (10.13%) Finance
2 5 (6.33%) Banking
3 4 (5.06%) Inclusion and Diversity
3 4 (5.06%) Law
3 4 (5.06%) Marketing
4 2 (2.53%) Public Sector
4 2 (2.53%) Retail
5 1 (1.27%) Social Skills
Libraries, Frameworks & Software Standards
1 19 (24.05%) React
2 16 (20.25%) Kafka
3 10 (12.66%) Spring
3 10 (12.66%) Spring Boot
4 9 (11.39%) RESTful
5 7 (8.86%) Jest
6 6 (7.59%) Redux
7 5 (6.33%) Micronaut
7 5 (6.33%) Node.js
8 4 (5.06%) .NET
8 4 (5.06%) Quarkus
9 3 (3.80%) Drools
9 3 (3.80%) GraphQL
10 2 (2.53%) Boost C++ Libraries
10 2 (2.53%) HTML5
10 2 (2.53%) Lambda Expressions
10 2 (2.53%) OpenID
10 2 (2.53%) pytest
10 2 (2.53%) RabbitMQ
10 2 (2.53%) Vue
Miscellaneous
1 23 (29.11%) Cloud Native
2 16 (20.25%) Distributed Systems
3 5 (6.33%) Algorithms
3 5 (6.33%) Greenfield Project
3 5 (6.33%) IoT
3 5 (6.33%) Smart Energy
4 3 (3.80%) Data Structures
5 2 (2.53%) Derivative
5 2 (2.53%) Equities
5 2 (2.53%) Fixed Income
5 2 (2.53%) Product Ownership
5 2 (2.53%) Public Cloud
6 1 (1.27%) Management Information System
6 1 (1.27%) PKI
6 1 (1.27%) Renewable Energy
6 1 (1.27%) Self-Driving Car
Operating Systems
1 2 (2.53%) Linux
Processes & Methodologies
1 79 (100.00%) Software Engineering
2 23 (29.11%) Microservices
3 21 (26.58%) Agile
4 18 (22.78%) Computer Science
5 15 (18.99%) CI/CD
6 12 (15.19%) Full-Stack Development
6 12 (15.19%) Mentoring
7 11 (13.92%) Coaching
7 11 (13.92%) Configuration Management
7 11 (13.92%) UML
7 11 (13.92%) Waterfall
8 10 (12.66%) DevOps
8 10 (12.66%) Event-Driven
8 10 (12.66%) Problem-Solving
9 9 (11.39%) Containerisation
10 8 (10.13%) AI
10 8 (10.13%) Architectural Patterns
11 7 (8.86%) Collaborative Culture
12 6 (7.59%) Fintech
13 5 (6.33%) Energy Management
Programming Languages
1 14 (17.72%) TypeScript
2 13 (16.46%) Java
3 11 (13.92%) Ada
3 11 (13.92%) Ada 95
4 9 (11.39%) Python
5 8 (10.13%) JavaScript
6 4 (5.06%) C#
7 3 (3.80%) C++
8 2 (2.53%) SQL
Qualifications
1 16 (20.25%) Degree
2 11 (13.92%) BPSS Clearance
2 11 (13.92%) Chartered Engineer
3 10 (12.66%) Security Cleared
4 5 (6.33%) DV Cleared
4 5 (6.33%) SC Cleared
5 3 (3.80%) Computer Science Degree
6 2 (2.53%) AWS Certification
6 2 (2.53%) AWS Certified Developer
6 2 (2.53%) Master's Degree
6 2 (2.53%) PhD
Quality Assurance & Compliance
1 11 (13.92%) ISO/IEC 12207
2 2 (2.53%) GDPR
2 2 (2.53%) ISO/IEC 27001
2 2 (2.53%) PCI DSS
2 2 (2.53%) QA
2 2 (2.53%) SOC 2
System Software
1 10 (12.66%) Docker
Systems Management
1 17 (21.52%) Kubernetes
2 5 (6.33%) Kibana
3 4 (5.06%) Terraform
4 1 (1.27%) Ansible
4 1 (1.27%) Istio
4 1 (1.27%) Progress Chef
4 1 (1.27%) Single Sign-On
Vendors
1 2 (2.53%) OpenAI
2 1 (1.27%) ForgeRock
2 1 (1.27%) Google
2 1 (1.27%) Okta
2 1 (1.27%) Ping Identity