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 21 September 2026.

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

6 months to
21 Sep 2026
Same period 2025 Same period 2024
Rank 425 602 591
Rank change year-on-year +177 -11 +103
Permanent jobs requiring a Principal Software Engineer 428 63 207
As % of all permanent jobs in the UK 0.37% 0.13% 0.27%
As % of the Job Titles category 0.40% 0.14% 0.28%
Number of salaries quoted 281 44 146
10th Percentile £72,500 £69,350 £67,500
25th Percentile £80,000 £75,675 £73,125
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 £115,625 £116,250
90th Percentile - £125,875 £147,500
UK excluding London median annual salary £90,000 £80,000 £75,000
% change year-on-year +12.50% +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 108,248 44,029 73,823
% of permanent jobs with a recognized job title 93.20% 89.64% 95.26%
Number of salaries quoted 74,086 25,880 44,136
10th Percentile £30,000 £28,250 £30,000
25th Percentile £40,500 £36,250 £40,000
Median annual salary (50th Percentile) £59,000 £55,000 £55,000
Median % change year-on-year +7.27% - -8.33%
75th Percentile £77,500 £75,000 £73,750
90th Percentile £100,000 £95,000 £92,500
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 21 September 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 21 September 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 +175 393 £90,000 -10.00% 222
UK excluding London +134 322 £90,000 +12.50% 157
Work from Home +35 94 £90,000 -10.00% 100
London -5 89 £100,000 -11.11% 78
North of England +2 77 £90,000 +5.88% 38
South West -1 76 £100,000 - 21
South East +3 71 £85,000 +25.00% 24
North West +15 54 £90,000 +5.88% 28
East of England +10 50 £85,000 -15.00% 39
East Midlands -5 30 £70,000 -6.67% 9
Midlands -27 30 £70,000 -6.67% 21
Scotland +29 18 £100,000 +33.33% 14
North East - 14 £110,000 - 3
Yorkshire - 9 £100,000 - 8

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

For the 6 months to 21 September 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.

1 428 (100.00%) Software Engineering
2 49 (11.45%) Technical Leadership
3 45 (10.51%) AI
4 43 (10.05%) Security Cleared
5 42 (9.81%) SC Cleared
6 39 (9.11%) Agile
7 33 (7.71%) Degree
8 32 (7.48%) Python
9 30 (7.01%) AWS
9 30 (7.01%) C++
9 30 (7.01%) TypeScript
10 29 (6.78%) Java
11 26 (6.07%) Computer Science
12 23 (5.37%) CI/CD
12 23 (5.37%) React
13 22 (5.14%) Full-Stack Development
14 21 (4.91%) Mentoring
15 20 (4.67%) SDLC
16 19 (4.44%) Computer Science Degree
16 19 (4.44%) Mathematics
17 18 (4.21%) BPSS Clearance
17 18 (4.21%) Continuous Improvement
17 18 (4.21%) Linux
17 18 (4.21%) Microservices
17 18 (4.21%) Open Source
18 17 (3.97%) Rust
19 16 (3.74%) DevOps
19 16 (3.74%) DV Cleared
19 16 (3.74%) Machine Learning
19 16 (3.74%) People Management

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 (0.47%) Drupal
1 2 (0.47%) Umbraco
1 2 (0.47%) WinCC
2 1 (0.23%) Apache
2 1 (0.23%) Apache Airflow
2 1 (0.23%) Apache Spark
2 1 (0.23%) Camunda
2 1 (0.23%) CMS
2 1 (0.23%) Sitecore CMS
Applications
1 3 (0.70%) Microsoft Excel
1 3 (0.70%) Microsoft Office
1 3 (0.70%) Microsoft PowerPoint
Cloud Services
1 30 (7.01%) AWS
2 11 (2.57%) Azure
3 9 (2.10%) SaaS
4 5 (1.17%) GCP
5 4 (0.93%) Serverless
6 3 (0.70%) Amazon Bedrock
6 3 (0.70%) Amazon S3
6 3 (0.70%) Azure DevOps
7 2 (0.47%) Azure API Management
7 2 (0.47%) Azure Functions
7 2 (0.47%) Azure Logic Apps
7 2 (0.47%) Dynamics 365
7 2 (0.47%) GitHub
7 2 (0.47%) GitHub Copilot
7 2 (0.47%) n8n
7 2 (0.47%) Power Automate
7 2 (0.47%) Power Platform
7 2 (0.47%) Vertex AI
8 1 (0.23%) Amazon EKS
8 1 (0.23%) Snowflake
Communications & Networking
1 6 (1.40%) Wireless
2 5 (1.17%) Multicast
3 4 (0.93%) 5G
4 2 (0.47%) Bluetooth
4 2 (0.47%) TCP/IP
4 2 (0.47%) Wi-Fi
4 2 (0.47%) ZigBee
Database & Business Intelligence
1 6 (1.40%) GIS
2 4 (0.93%) Redis
3 3 (0.70%) MySQL
3 3 (0.70%) SQL Server
4 2 (0.47%) Big Data
4 2 (0.47%) Metadata
4 2 (0.47%) NoSQL
4 2 (0.47%) Pinecone
4 2 (0.47%) PostgreSQL
5 1 (0.23%) Amazon RDS
5 1 (0.23%) Apache Iceberg
5 1 (0.23%) Data Lake
5 1 (0.23%) Data Warehouse
5 1 (0.23%) Elasticsearch
5 1 (0.23%) MariaDB
5 1 (0.23%) Relational Database
5 1 (0.23%) Snowflake Schema
5 1 (0.23%) SQLite
Development Applications
1 5 (1.17%) JIRA
2 4 (0.93%) Rational Rhapsody
3 2 (0.47%) Claude Code
4 1 (0.23%) Cypress.io
4 1 (0.23%) Git
4 1 (0.23%) JUnit
4 1 (0.23%) Mocha
4 1 (0.23%) Mockito
General
1 47 (10.98%) Finance
2 26 (6.07%) Aerospace
3 21 (4.91%) Electronics
4 18 (4.21%) Banking
5 17 (3.97%) Social Skills
6 14 (3.27%) Retail
7 13 (3.04%) Inclusion and Diversity
8 12 (2.80%) Financial Institution
9 8 (1.87%) Aviation
9 8 (1.87%) Military
10 7 (1.64%) Law
10 7 (1.64%) Marketing
11 5 (1.17%) Games
12 4 (0.93%) Front Office
12 4 (0.93%) Health Technology
12 4 (0.93%) Legal
12 4 (0.93%) Wearables
13 3 (0.70%) Public Sector
14 2 (0.47%) Influencing Skills
14 2 (0.47%) Manufacturing
Libraries, Frameworks & Software Standards
1 23 (5.37%) React
2 12 (2.80%) .NET
3 7 (1.64%) Spring Boot
4 6 (1.40%) Node.js
5 5 (1.17%) Boost C++ Libraries
5 5 (1.17%) FIX Protocol
5 5 (1.17%) pytest
5 5 (1.17%) Terraform
5 5 (1.17%) Unreal Engine
6 4 (0.93%) AngularJS
6 4 (0.93%) CrewAI
6 4 (0.93%) LangChain
6 4 (0.93%) Next.js
6 4 (0.93%) Spring
7 3 (0.70%) Godot
7 3 (0.70%) Kafka
7 3 (0.70%) PyTorch
7 3 (0.70%) TensorFlow
8 2 (0.47%) Lambda Expressions
8 2 (0.47%) Vue
Miscellaneous
1 22 (5.14%) Cloud Native
1 22 (5.14%) Distributed Systems
2 12 (2.80%) Embedded Systems
3 11 (2.57%) Public Cloud
4 10 (2.34%) Product Ownership
5 9 (2.10%) AI Agents
6 8 (1.87%) Enterprise Software
7 6 (1.40%) Fixed Income
8 5 (1.17%) Algorithms
8 5 (1.17%) Derivative
8 5 (1.17%) Equities
9 4 (0.93%) IoT
9 4 (0.93%) Robotics
9 4 (0.93%) Virtual Team
10 3 (0.70%) Culture of Ownership
10 3 (0.70%) Distributed Architecture
11 2 (0.47%) Distributed Computing
11 2 (0.47%) Legacy Applications
11 2 (0.47%) Legacy Systems
11 2 (0.47%) Onboarding
Operating Systems
1 18 (4.21%) Linux
2 2 (0.47%) Embedded Linux
2 2 (0.47%) FreeRTOS
Processes & Methodologies
1 428 (100.00%) Software Engineering
2 49 (11.45%) Technical Leadership
3 45 (10.51%) AI
4 39 (9.11%) Agile
5 26 (6.07%) Computer Science
6 23 (5.37%) CI/CD
7 22 (5.14%) Full-Stack Development
8 21 (4.91%) Mentoring
9 20 (4.67%) SDLC
10 19 (4.44%) Mathematics
11 18 (4.21%) Continuous Improvement
11 18 (4.21%) Microservices
11 18 (4.21%) Open Source
12 16 (3.74%) DevOps
12 16 (3.74%) Machine Learning
12 16 (3.74%) People Management
12 16 (3.74%) Software Architecture
13 15 (3.50%) Roadmaps
13 15 (3.50%) Validation
13 15 (3.50%) Workflow
Programming Languages
1 32 (7.48%) Python
2 30 (7.01%) C++
2 30 (7.01%) TypeScript
3 29 (6.78%) Java
4 17 (3.97%) Rust
5 15 (3.50%) C
6 14 (3.27%) C#
7 9 (2.10%) JavaScript
8 5 (1.17%) Go
8 5 (1.17%) PHP
8 5 (1.17%) Scala
9 3 (0.70%) SQL
10 2 (0.47%) R
10 2 (0.47%) Ruby
11 1 (0.23%) Apex Code
11 1 (0.23%) Assembly Language
11 1 (0.23%) Kotlin
Qualifications
1 43 (10.05%) Security Cleared
2 42 (9.81%) SC Cleared
3 33 (7.71%) Degree
4 19 (4.44%) Computer Science Degree
5 18 (4.21%) BPSS Clearance
6 16 (3.74%) DV Cleared
7 3 (0.70%) Chartered Engineer
7 3 (0.70%) HND
8 2 (0.47%) Microsoft Certified Professional
Quality Assurance & Compliance
1 14 (3.27%) QA
2 9 (2.10%) Accessibility
3 4 (0.93%) DO-178B
4 2 (0.47%) IEC 61131
4 2 (0.47%) IEC 61508
5 1 (0.23%) Data Quality
System Software
1 7 (1.64%) Docker
Systems Management
1 8 (1.87%) Kubernetes
2 1 (0.23%) Ansible
2 1 (0.23%) Grafana
Vendors
1 8 (1.87%) Palantir
2 7 (1.64%) Microsoft
3 3 (0.70%) Databricks
3 3 (0.70%) OpenAI
4 2 (0.47%) Google
4 2 (0.47%) Siemens
5 1 (0.23%) Dynatrace
5 1 (0.23%) MuleSoft
5 1 (0.23%) Oracle
5 1 (0.23%) Salesforce
5 1 (0.23%) Sitecore
5 1 (0.23%) Splunk