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 October 2026.

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

6 months to
3 Oct 2026
Same period 2025 Same period 2024
Rank 413 604 577
Rank change year-on-year +191 -27 +110
Permanent jobs requiring a Principal Software Engineer 466 62 194
As % of all permanent jobs in the UK 0.39% 0.13% 0.26%
As % of the Job Titles category 0.42% 0.14% 0.27%
Number of salaries quoted 300 45 136
10th Percentile £75,000 £68,300 £67,500
25th Percentile £80,000 £72,500 £75,000
Median annual salary (50th Percentile) £90,000 £100,000 £90,000
Median % change year-on-year -10.00% +11.11% +9.09%
75th Percentile £100,000 £115,000 £116,250
90th Percentile - £125,000 £147,500
UK excluding London median annual salary £85,000 £80,000 £75,000
% change year-on-year +6.25% +6.67% -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 109,727 44,495 71,006
% of permanent jobs with a recognized job title 92.86% 89.76% 95.30%
Number of salaries quoted 74,858 25,632 41,158
10th Percentile £30,000 £28,250 £31,000
25th Percentile £40,750 £36,250 £40,554
Median annual salary (50th Percentile) £58,500 £55,000 £55,000
Median % change year-on-year +6.36% - -8.33%
75th Percentile £77,349 £73,750 £75,000
90th Percentile £98,750 £95,000 £93,750
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 3 October 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 October 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 +191 414 £90,000 -10.00% 217
UK excluding London +116 337 £85,000 +6.25% 164
Work from Home +47 104 £90,000 -10.00% 125
London +11 98 £100,000 -11.11% 71
South West -3 80 £100,000 - 25
North of England +11 77 £90,000 +5.88% 41
South East +9 69 £85,000 +25.00% 26
North West +17 55 £90,000 +5.88% 29
East of England +11 55 £85,000 -15.00% 30
East Midlands -6 35 £70,000 -6.67% 10
Midlands -17 35 £70,000 -6.67% 18
Scotland +21 21 £100,000 +33.33% 17
North East - 15 £110,000 - 5
Yorkshire - 7 £100,000 - 7

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

For the 6 months to 3 October 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.

1 466 (100.00%) Software Engineering
2 59 (12.66%) Security Cleared
3 58 (12.45%) SC Cleared
4 56 (12.02%) Technical Leadership
5 45 (9.66%) AI
6 41 (8.80%) Agile
7 36 (7.73%) Degree
7 36 (7.73%) Java
8 32 (6.87%) C++
9 30 (6.44%) Python
10 29 (6.22%) TypeScript
11 28 (6.01%) Full-Stack Development
12 26 (5.58%) AWS
12 26 (5.58%) Computer Science
13 22 (4.72%) Mentoring
13 22 (4.72%) React
14 21 (4.51%) BPSS Clearance
14 21 (4.51%) CI/CD
15 20 (4.29%) SDLC
16 19 (4.08%) Computer Science Degree
16 19 (4.08%) Mathematics
16 19 (4.08%) Software Architecture
17 18 (3.86%) Linux
17 18 (3.86%) Machine Learning
17 18 (3.86%) Open Source
17 18 (3.86%) Validation
18 17 (3.65%) .NET
18 17 (3.65%) DV Cleared
18 17 (3.65%) Microservices
18 17 (3.65%) Rust

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 7 (1.50%) Drupal
1 7 (1.50%) Umbraco
2 2 (0.43%) Camunda
2 2 (0.43%) WinCC
3 1 (0.21%) Apache
3 1 (0.21%) Apache Airflow
3 1 (0.21%) Apache Spark
3 1 (0.21%) CMS
3 1 (0.21%) Sitecore CMS
Applications
1 3 (0.64%) Microsoft Excel
1 3 (0.64%) Microsoft Office
1 3 (0.64%) Microsoft PowerPoint
Cloud Services
1 26 (5.58%) AWS
2 11 (2.36%) Azure
3 9 (1.93%) SaaS
4 5 (1.07%) Amazon S3
4 5 (1.07%) GCP
4 5 (1.07%) Serverless
5 3 (0.64%) Amazon Bedrock
5 3 (0.64%) Azure DevOps
5 3 (0.64%) GitHub
6 2 (0.43%) Amazon EKS
6 2 (0.43%) Amazon EventBridge
6 2 (0.43%) AWS Lambda
6 2 (0.43%) Azure API Management
6 2 (0.43%) Azure Functions
6 2 (0.43%) Dynamics 365
6 2 (0.43%) GitHub Copilot
6 2 (0.43%) n8n
6 2 (0.43%) Power Automate
6 2 (0.43%) Power Platform
6 2 (0.43%) Vertex AI
Communications & Networking
1 5 (1.07%) Multicast
1 5 (1.07%) Wireless
2 4 (0.86%) 5G
3 2 (0.43%) Bluetooth
3 2 (0.43%) TCP/IP
3 2 (0.43%) Wi-Fi
3 2 (0.43%) ZigBee
Database & Business Intelligence
1 6 (1.29%) GIS
2 5 (1.07%) Redis
3 3 (0.64%) Big Data
3 3 (0.64%) MySQL
3 3 (0.64%) PostgreSQL
3 3 (0.64%) SQL Server
4 2 (0.43%) Amazon RDS
4 2 (0.43%) Metadata
4 2 (0.43%) NoSQL
4 2 (0.43%) Pinecone
5 1 (0.21%) Apache Iceberg
5 1 (0.21%) Data Lake
5 1 (0.21%) Data Warehouse
5 1 (0.21%) Elasticsearch
5 1 (0.21%) MariaDB
5 1 (0.21%) Relational Database
5 1 (0.21%) Snowflake Schema
5 1 (0.21%) SQLite
Development Applications
1 7 (1.50%) Rational Rhapsody
2 5 (1.07%) JIRA
3 2 (0.43%) Claude Code
3 2 (0.43%) JUnit
3 2 (0.43%) Mockito
4 1 (0.21%) Cypress.io
4 1 (0.21%) Git
4 1 (0.21%) GitLab
4 1 (0.21%) Mocha
General
1 53 (11.37%) Finance
2 29 (6.22%) Aerospace
3 26 (5.58%) Electronics
4 19 (4.08%) Banking
5 17 (3.65%) Social Skills
6 15 (3.22%) Financial Institution
7 13 (2.79%) Inclusion and Diversity
7 13 (2.79%) Retail
8 11 (2.36%) Military
9 8 (1.72%) Aviation
10 7 (1.50%) Games
10 7 (1.50%) Law
10 7 (1.50%) Marketing
11 6 (1.29%) Wearables
12 5 (1.07%) Health Technology
13 4 (0.86%) Front Office
13 4 (0.86%) Legal
13 4 (0.86%) Public Sector
14 2 (0.43%) Influencing Skills
14 2 (0.43%) Manufacturing
Libraries, Frameworks & Software Standards
1 22 (4.72%) React
2 17 (3.65%) .NET
3 6 (1.29%) Node.js
3 6 (1.29%) Spring Boot
4 5 (1.07%) Boost C++ Libraries
4 5 (1.07%) FIX Protocol
4 5 (1.07%) Next.js
4 5 (1.07%) pytest
4 5 (1.07%) Spring
4 5 (1.07%) Terraform
4 5 (1.07%) Unreal Engine
5 4 (0.86%) AngularJS
5 4 (0.86%) CrewAI
5 4 (0.86%) Kafka
5 4 (0.86%) LangChain
6 3 (0.64%) Godot
6 3 (0.64%) PyTorch
6 3 (0.64%) TensorFlow
7 2 (0.43%) LangGraph
7 2 (0.43%) Vue
Miscellaneous
1 23 (4.94%) Distributed Systems
2 21 (4.51%) Cloud Native
3 12 (2.58%) Public Cloud
4 11 (2.36%) Embedded Systems
5 10 (2.15%) AI Agents
6 9 (1.93%) Product Ownership
7 8 (1.72%) Enterprise Software
8 6 (1.29%) Fixed Income
9 5 (1.07%) Algorithms
9 5 (1.07%) Derivative
9 5 (1.07%) Equities
10 4 (0.86%) Robotics
10 4 (0.86%) Virtual Team
11 3 (0.64%) Culture of Ownership
11 3 (0.64%) Distributed Architecture
11 3 (0.64%) IoT
12 2 (0.43%) Distributed Computing
12 2 (0.43%) Legacy Applications
12 2 (0.43%) Legacy Systems
12 2 (0.43%) Onboarding
Operating Systems
1 18 (3.86%) Linux
2 2 (0.43%) Embedded Linux
2 2 (0.43%) FreeRTOS
Processes & Methodologies
1 466 (100.00%) Software Engineering
2 56 (12.02%) Technical Leadership
3 45 (9.66%) AI
4 41 (8.80%) Agile
5 28 (6.01%) Full-Stack Development
6 26 (5.58%) Computer Science
7 22 (4.72%) Mentoring
8 21 (4.51%) CI/CD
9 20 (4.29%) SDLC
10 19 (4.08%) Mathematics
10 19 (4.08%) Software Architecture
11 18 (3.86%) Machine Learning
11 18 (3.86%) Open Source
11 18 (3.86%) Validation
12 17 (3.65%) Microservices
13 16 (3.43%) Continuous Improvement
13 16 (3.43%) Roadmaps
14 15 (3.22%) People Management
14 15 (3.22%) Physics
14 15 (3.22%) Workflow
Programming Languages
1 36 (7.73%) Java
2 32 (6.87%) C++
3 30 (6.44%) Python
4 29 (6.22%) TypeScript
5 17 (3.65%) Rust
6 16 (3.43%) C
7 14 (3.00%) C#
8 10 (2.15%) PHP
9 9 (1.93%) JavaScript
10 6 (1.29%) Scala
11 5 (1.07%) Go
12 3 (0.64%) SQL
13 2 (0.43%) Kotlin
13 2 (0.43%) R
13 2 (0.43%) Ruby
14 1 (0.21%) Apex Code
14 1 (0.21%) Assembly Language
Qualifications
1 59 (12.66%) Security Cleared
2 58 (12.45%) SC Cleared
3 36 (7.73%) Degree
4 21 (4.51%) BPSS Clearance
5 19 (4.08%) Computer Science Degree
6 17 (3.65%) DV Cleared
7 3 (0.64%) Chartered Engineer
7 3 (0.64%) HND
8 2 (0.43%) Microsoft Certified Professional
Quality Assurance & Compliance
1 12 (2.58%) QA
2 9 (1.93%) Accessibility
3 7 (1.50%) DO-178B
4 2 (0.43%) IEC 61131
4 2 (0.43%) IEC 61508
5 1 (0.21%) Data Quality
System Software
1 7 (1.50%) Docker
2 1 (0.21%) Firmware
Systems Management
1 8 (1.72%) Kubernetes
2 1 (0.21%) Ansible
2 1 (0.21%) Grafana
Vendors
1 8 (1.72%) Palantir
2 7 (1.50%) Microsoft
3 3 (0.64%) Databricks
3 3 (0.64%) OpenAI
4 2 (0.43%) Google
4 2 (0.43%) Siemens
5 1 (0.21%) Atlassian
5 1 (0.21%) Dynatrace
5 1 (0.21%) MuleSoft
5 1 (0.21%) Oracle
5 1 (0.21%) Salesforce
5 1 (0.21%) Sitecore
5 1 (0.21%) Splunk