Principal Software Engineer Job Trends

Principal Software Engineer
UK

The median Principal Software Engineer salary in the UK is £80,000 per year, according to job vacancies posted during the 6 months leading to 22 December 2025.

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

6 months to
22 Dec 2025
Same period 2024 Same period 2023
Rank 535 565 632
Rank change year-on-year +30 +67 +200
Permanent jobs requiring a Principal Software Engineer 104 141 72
As % of all permanent jobs in the UK 0.18% 0.25% 0.15%
As % of the Job Titles category 0.19% 0.27% 0.16%
Number of salaries quoted 67 100 38
10th Percentile - £67,500 £67,500
25th Percentile £70,000 £75,000 £70,000
Median annual salary (50th Percentile) £80,000 £105,000 £81,250
Median % change year-on-year -23.81% +29.23% +3.17%
75th Percentile £100,000 £116,250 £103,688
90th Percentile £114,250 £147,500 £121,000
UK excluding London median annual salary £75,000 £75,000 £77,000
% change year-on-year - -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 53,363 52,464 45,998
% of permanent jobs with a recognized job title 90.37% 93.53% 95.24%
Number of salaries quoted 32,877 27,963 35,716
10th Percentile £28,500 £33,000 £31,250
25th Percentile £36,250 £44,000 £42,500
Median annual salary (50th Percentile) £55,000 £60,000 £60,000
Median % change year-on-year -8.33% - -
75th Percentile £75,000 £78,000 £80,000
90th Percentile £93,253 £97,500 £97,500
UK excluding London median annual salary £49,000 £52,500 £52,500
% change year-on-year -6.67% - -

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 22 December 2025.

Salary histogram for Principal Software Engineer in the UK

Principal Software Engineer
Top 13 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 22 December 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 +44 93 £80,000 -23.81% 45
UK excluding London +36 80 £75,000 - 47
London +25 24 £107,500 -2.27% 14
South West +18 24 £70,000 -12.50% 8
South East +17 22 £75,000 -16.67% 12
Work from Home +15 19 £100,000 -6.98% 17
East of England +32 17 £80,000 +23.55% 4
Scotland +12 8 - - 12
West Midlands +35 4 - -
Midlands +23 4 - -
Wales +1 3 £75,900 - 3
North West +37 2 £95,000 +22.58% 4
North of England +20 2 £95,000 +35.71% 9

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

For the 6 months to 22 December 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.

1 104 (100.00%) Software Engineering
2 24 (23.08%) Computer Science
3 22 (21.15%) Agile
3 22 (21.15%) Degree
4 19 (18.27%) AWS
5 18 (17.31%) Microservices
6 16 (15.38%) Full-Stack Development
6 16 (15.38%) React
7 14 (13.46%) Ada
7 14 (13.46%) Ada 95
7 14 (13.46%) BPSS Clearance
7 14 (13.46%) Chartered Engineer
7 14 (13.46%) Configuration Management
7 14 (13.46%) ISO/IEC 12207
7 14 (13.46%) UML
7 14 (13.46%) Waterfall
8 13 (12.50%) CI/CD
9 11 (10.58%) DevOps
9 11 (10.58%) Kafka
9 11 (10.58%) TypeScript
10 10 (9.62%) Mentoring
10 10 (9.62%) Python
11 9 (8.65%) Coaching
11 9 (8.65%) Energy Management
11 9 (8.65%) Kubernetes
11 9 (8.65%) Problem-Solving
11 9 (8.65%) Storage Management
12 8 (7.69%) Azure
12 8 (7.69%) Continuous Improvement
12 8 (7.69%) Java

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 (1.92%) Confluence
Cloud Services
1 19 (18.27%) AWS
2 8 (7.69%) Azure
3 7 (6.73%) Amazon EKS
4 6 (5.77%) GCP
5 5 (4.81%) Amazon CloudWatch
5 5 (4.81%) Amazon MSK
5 5 (4.81%) Amazon OpenSearch
6 2 (1.92%) Amazon Bedrock
6 2 (1.92%) Amazon EventBridge
6 2 (1.92%) Amazon Kinesis
6 2 (1.92%) Amazon SQS
6 2 (1.92%) AWS Lambda
6 2 (1.92%) AWS Step Functions
6 2 (1.92%) Azure AKS
6 2 (1.92%) Serverless
7 1 (0.96%) Amazon ECS
7 1 (0.96%) Cloud Computing
7 1 (0.96%) Cloudflare
7 1 (0.96%) SaaS
Communications & Networking
1 2 (1.92%) Multicast
Database & Business Intelligence
1 5 (4.81%) PostgreSQL
2 3 (2.88%) BigQuery
2 3 (2.88%) Elasticsearch
3 2 (1.92%) DynamoDB
3 2 (1.92%) MongoDB
Development Applications
1 5 (4.81%) Cypress.io
1 5 (4.81%) Git
1 5 (4.81%) Jenkins
2 4 (3.85%) JIRA
3 2 (1.92%) Plastic SCM
4 1 (0.96%) Ant
4 1 (0.96%) GitLab
4 1 (0.96%) SonarQube
4 1 (0.96%) webpack
General
1 4 (3.85%) Banking
2 3 (2.88%) Finance
3 2 (1.92%) Public Sector
3 2 (1.92%) Social Skills
4 1 (0.96%) Manufacturing
Libraries, Frameworks & Software Standards
1 16 (15.38%) React
2 11 (10.58%) Kafka
3 7 (6.73%) Redux
4 6 (5.77%) Jest
4 6 (5.77%) Spring
4 6 (5.77%) Spring Boot
5 5 (4.81%) RESTful
6 4 (3.85%) .NET
6 4 (3.85%) Node.js
7 3 (2.88%) Django
8 2 (1.92%) AngularJS
8 2 (1.92%) Boost C++ Libraries
8 2 (1.92%) FIX Protocol
8 2 (1.92%) GraphQL
8 2 (1.92%) Hugging Face
8 2 (1.92%) Next.js
8 2 (1.92%) Nuxt
8 2 (1.92%) pytest
8 2 (1.92%) RabbitMQ
8 2 (1.92%) Vue
Miscellaneous
1 15 (14.42%) Cloud Native
2 13 (12.50%) Distributed Systems
3 9 (8.65%) IoT
3 9 (8.65%) Smart Energy
4 7 (6.73%) Greenfield Project
5 6 (5.77%) Algorithms
6 4 (3.85%) Data Structures
7 2 (1.92%) Derivative
7 2 (1.92%) Equities
7 2 (1.92%) Fixed Income
8 1 (0.96%) Public Cloud
8 1 (0.96%) Renewable Energy
8 1 (0.96%) Self-Driving Car
Operating Systems
1 3 (2.88%) Linux
Processes & Methodologies
1 104 (100.00%) Software Engineering
2 24 (23.08%) Computer Science
3 22 (21.15%) Agile
4 18 (17.31%) Microservices
5 16 (15.38%) Full-Stack Development
6 14 (13.46%) Configuration Management
6 14 (13.46%) UML
6 14 (13.46%) Waterfall
7 13 (12.50%) CI/CD
8 11 (10.58%) DevOps
9 10 (9.62%) Mentoring
10 9 (8.65%) Coaching
10 9 (8.65%) Energy Management
10 9 (8.65%) Problem-Solving
10 9 (8.65%) Storage Management
11 8 (7.69%) Continuous Improvement
12 7 (6.73%) AI
12 7 (6.73%) Collaborative Culture
12 7 (6.73%) Software Architecture
13 6 (5.77%) Containerisation
Programming Languages
1 14 (13.46%) Ada
1 14 (13.46%) Ada 95
2 11 (10.58%) TypeScript
3 10 (9.62%) Python
4 8 (7.69%) Java
5 7 (6.73%) JavaScript
6 6 (5.77%) C++
7 5 (4.81%) C#
8 1 (0.96%) Go
8 1 (0.96%) Rust
8 1 (0.96%) SQL
Qualifications
1 22 (21.15%) Degree
2 14 (13.46%) BPSS Clearance
2 14 (13.46%) Chartered Engineer
3 7 (6.73%) Computer Science Degree
4 6 (5.77%) Security Cleared
5 4 (3.85%) SC Cleared
6 2 (1.92%) AWS Certification
6 2 (1.92%) AWS Certified Developer
6 2 (1.92%) DV Cleared
7 1 (0.96%) Master's Degree
7 1 (0.96%) PhD
Quality Assurance & Compliance
1 14 (13.46%) ISO/IEC 12207
2 2 (1.92%) GDPR
2 2 (1.92%) ISO/IEC 27001
2 2 (1.92%) PCI DSS
2 2 (1.92%) QA
2 2 (1.92%) SOC 2
System Software
1 4 (3.85%) Docker
Systems Management
1 9 (8.65%) Kubernetes
2 5 (4.81%) Kibana
3 1 (0.96%) Ansible
3 1 (0.96%) Istio
3 1 (0.96%) Progress Chef
3 1 (0.96%) Single Sign-On
3 1 (0.96%) Terraform
Vendors
1 3 (2.88%) Google
2 2 (1.92%) OpenAI
3 1 (0.96%) ForgeRock
3 1 (0.96%) Okta
3 1 (0.96%) Ping Identity