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 18 September 2026.

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

6 months to
18 Sep 2026
Same period 2025 Same period 2024
Rank 434 611 582
Rank change year-on-year +177 -29 +129
Permanent jobs requiring a Principal Software Engineer 420 64 211
As % of all permanent jobs in the UK 0.36% 0.13% 0.27%
As % of the Job Titles category 0.39% 0.14% 0.28%
Number of salaries quoted 279 45 148
10th Percentile £70,000 £69,800 £67,500
25th Percentile £80,000 £75,000 £74,375
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 - £125,750 £147,500
UK excluding London median annual salary £85,000 £77,950 £75,000
% change year-on-year +9.04% +3.93% -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 107,455 44,314 74,420
% of permanent jobs with a recognized job title 93.24% 89.66% 95.24%
Number of salaries quoted 73,770 26,055 44,614
10th Percentile £30,000 £28,250 £30,000
25th Percentile £40,250 £36,250 £40,000
Median annual salary (50th Percentile) £58,589 £55,000 £55,000
Median % change year-on-year +6.53% - -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 18 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 18 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 +178 387 £90,000 -10.00% 190
UK excluding London +108 321 £85,000 +9.04% 128
Work from Home +53 91 £90,000 -10.00% 83
London +3 84 £100,000 -11.11% 69
North of England +1 75 £92,500 +15.63% 28
South West -18 75 £100,000 - 19
South East +21 74 £85,000 +25.00% 24
North West +30 52 £90,000 +12.50% 21
East of England +16 49 £85,000 -15.00% 27
East Midlands -15 30 £70,000 -6.67% 13
Midlands -18 30 £70,000 -6.67% 20
Scotland +19 18 £100,000 +33.33% 7
North East - 14 £110,000 - 1
Yorkshire - 9 £100,000 - 6

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

For the 6 months to 18 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.

1 420 (100.00%) Software Engineering
2 47 (11.19%) Technical Leadership
3 44 (10.48%) AI
4 40 (9.52%) Agile
4 40 (9.52%) Security Cleared
5 39 (9.29%) SC Cleared
6 34 (8.10%) Python
7 33 (7.86%) Degree
8 30 (7.14%) C++
8 30 (7.14%) TypeScript
9 29 (6.90%) AWS
10 28 (6.67%) Java
11 26 (6.19%) Computer Science
12 23 (5.48%) React
13 22 (5.24%) CI/CD
14 21 (5.00%) Full-Stack Development
14 21 (5.00%) Mentoring
15 20 (4.76%) SDLC
16 19 (4.52%) Computer Science Degree
16 19 (4.52%) Mathematics
17 18 (4.29%) BPSS Clearance
17 18 (4.29%) Continuous Improvement
17 18 (4.29%) Linux
18 17 (4.05%) Microservices
18 17 (4.05%) Open Source
18 17 (4.05%) Rust
19 16 (3.81%) C
19 16 (3.81%) DevOps
19 16 (3.81%) DV Cleared
19 16 (3.81%) 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 (0.48%) Drupal
1 2 (0.48%) Umbraco
1 2 (0.48%) WinCC
2 1 (0.24%) Apache
2 1 (0.24%) Apache Airflow
2 1 (0.24%) Apache Spark
2 1 (0.24%) CMS
2 1 (0.24%) Sitecore CMS
Applications
1 3 (0.71%) Microsoft Excel
1 3 (0.71%) Microsoft Office
1 3 (0.71%) Microsoft PowerPoint
Cloud Services
1 29 (6.90%) AWS
2 11 (2.62%) Azure
3 9 (2.14%) SaaS
4 5 (1.19%) GCP
5 3 (0.71%) Amazon Bedrock
5 3 (0.71%) Azure DevOps
5 3 (0.71%) Serverless
6 2 (0.48%) Amazon S3
6 2 (0.48%) Azure API Management
6 2 (0.48%) Azure Functions
6 2 (0.48%) Azure Logic Apps
6 2 (0.48%) Dynamics 365
6 2 (0.48%) GitHub
6 2 (0.48%) GitHub Copilot
6 2 (0.48%) n8n
6 2 (0.48%) Power Automate
6 2 (0.48%) Power Platform
6 2 (0.48%) Vertex AI
7 1 (0.24%) Amazon OpenSearch
7 1 (0.24%) OpenShift
Communications & Networking
1 6 (1.43%) Wireless
2 5 (1.19%) Multicast
3 4 (0.95%) 5G
4 2 (0.48%) Bluetooth
4 2 (0.48%) TCP/IP
4 2 (0.48%) Wi-Fi
4 2 (0.48%) ZigBee
Database & Business Intelligence
1 6 (1.43%) GIS
2 4 (0.95%) Redis
3 3 (0.71%) MySQL
3 3 (0.71%) SQL Server
4 2 (0.48%) Big Data
4 2 (0.48%) Metadata
4 2 (0.48%) NoSQL
4 2 (0.48%) Pinecone
4 2 (0.48%) PostgreSQL
5 1 (0.24%) Apache Iceberg
5 1 (0.24%) Data Lake
5 1 (0.24%) Data Warehouse
5 1 (0.24%) Elasticsearch
5 1 (0.24%) MariaDB
5 1 (0.24%) Relational Database
5 1 (0.24%) Snowflake Schema
5 1 (0.24%) SQLite
Development Applications
1 5 (1.19%) JIRA
2 4 (0.95%) Rational Rhapsody
3 2 (0.48%) Claude Code
4 1 (0.24%) Cypress.io
4 1 (0.24%) Git
4 1 (0.24%) Mocha
General
1 46 (10.95%) Finance
2 26 (6.19%) Aerospace
3 20 (4.76%) Electronics
4 17 (4.05%) Banking
4 17 (4.05%) Social Skills
5 14 (3.33%) Retail
6 13 (3.10%) Inclusion and Diversity
7 11 (2.62%) Financial Institution
8 8 (1.90%) Aviation
8 8 (1.90%) Military
9 7 (1.67%) Law
9 7 (1.67%) Marketing
10 5 (1.19%) Games
11 4 (0.95%) Front Office
11 4 (0.95%) Legal
11 4 (0.95%) Wearables
12 3 (0.71%) Health Technology
12 3 (0.71%) Public Sector
13 2 (0.48%) Influencing Skills
13 2 (0.48%) Manufacturing
Libraries, Frameworks & Software Standards
1 23 (5.48%) React
2 12 (2.86%) .NET
3 6 (1.43%) Node.js
3 6 (1.43%) Spring Boot
4 5 (1.19%) Boost C++ Libraries
4 5 (1.19%) FIX Protocol
4 5 (1.19%) pytest
4 5 (1.19%) Unreal Engine
5 4 (0.95%) AngularJS
5 4 (0.95%) CrewAI
5 4 (0.95%) LangChain
5 4 (0.95%) Terraform
6 3 (0.71%) Godot
6 3 (0.71%) Kafka
6 3 (0.71%) Next.js
6 3 (0.71%) PyTorch
6 3 (0.71%) Spring
6 3 (0.71%) TensorFlow
7 2 (0.48%) REST
7 2 (0.48%) Vue
Miscellaneous
1 22 (5.24%) Cloud Native
1 22 (5.24%) Distributed Systems
2 12 (2.86%) Embedded Systems
3 11 (2.62%) Public Cloud
4 10 (2.38%) Product Ownership
5 9 (2.14%) AI Agents
6 8 (1.90%) Enterprise Software
7 6 (1.43%) Fixed Income
8 5 (1.19%) Algorithms
8 5 (1.19%) Derivative
8 5 (1.19%) Equities
8 5 (1.19%) IoT
9 4 (0.95%) Robotics
9 4 (0.95%) Virtual Team
10 3 (0.71%) Culture of Ownership
10 3 (0.71%) Distributed Architecture
10 3 (0.71%) Foreign Exchange (FX)
11 2 (0.48%) Legacy Systems
11 2 (0.48%) Onboarding
11 2 (0.48%) Smart Energy
Operating Systems
1 18 (4.29%) Linux
2 2 (0.48%) Embedded Linux
2 2 (0.48%) FreeRTOS
Processes & Methodologies
1 420 (100.00%) Software Engineering
2 47 (11.19%) Technical Leadership
3 44 (10.48%) AI
4 40 (9.52%) Agile
5 26 (6.19%) Computer Science
6 22 (5.24%) CI/CD
7 21 (5.00%) Full-Stack Development
7 21 (5.00%) Mentoring
8 20 (4.76%) SDLC
9 19 (4.52%) Mathematics
10 18 (4.29%) Continuous Improvement
11 17 (4.05%) Microservices
11 17 (4.05%) Open Source
12 16 (3.81%) DevOps
12 16 (3.81%) People Management
12 16 (3.81%) Software Architecture
13 15 (3.57%) Machine Learning
13 15 (3.57%) Roadmaps
13 15 (3.57%) Validation
13 15 (3.57%) Workflow
Programming Languages
1 34 (8.10%) Python
2 30 (7.14%) C++
2 30 (7.14%) TypeScript
3 28 (6.67%) Java
4 17 (4.05%) Rust
5 16 (3.81%) C
6 14 (3.33%) C#
7 9 (2.14%) JavaScript
8 5 (1.19%) Go
8 5 (1.19%) PHP
8 5 (1.19%) Scala
9 3 (0.71%) SQL
10 2 (0.48%) R
10 2 (0.48%) Ruby
11 1 (0.24%) Apex Code
11 1 (0.24%) Assembly Language
11 1 (0.24%) Kotlin
Qualifications
1 40 (9.52%) Security Cleared
2 39 (9.29%) SC Cleared
3 33 (7.86%) Degree
4 19 (4.52%) Computer Science Degree
5 18 (4.29%) BPSS Clearance
6 16 (3.81%) DV Cleared
7 3 (0.71%) Chartered Engineer
7 3 (0.71%) HND
8 2 (0.48%) Microsoft Certified Professional
Quality Assurance & Compliance
1 14 (3.33%) QA
2 9 (2.14%) Accessibility
3 4 (0.95%) DO-178B
4 2 (0.48%) IEC 61131
4 2 (0.48%) IEC 61508
5 1 (0.24%) Data Quality
System Software
1 6 (1.43%) Docker
Systems Management
1 7 (1.67%) Kubernetes
2 1 (0.24%) Ansible
2 1 (0.24%) Grafana
Vendors
1 8 (1.90%) Palantir
2 7 (1.67%) Microsoft
3 3 (0.71%) Databricks
3 3 (0.71%) OpenAI
4 2 (0.48%) Google
4 2 (0.48%) Siemens
5 1 (0.24%) Dynatrace
5 1 (0.24%) MuleSoft
5 1 (0.24%) Oracle
5 1 (0.24%) Salesforce
5 1 (0.24%) Sitecore
5 1 (0.24%) Splunk