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 24 September 2026.

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

6 months to
24 Sep 2026
Same period 2025 Same period 2024
Rank 445 596 582
Rank change year-on-year +151 -14 +118
Permanent jobs requiring a Principal Software Engineer 436 64 205
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 283 45 142
10th Percentile £73,000 £68,300 £67,500
25th Percentile £80,000 £75,000 £75,000
Median annual salary (50th Percentile) £90,000 £100,000 £87,500
Median % change year-on-year -10.00% +14.29% +6.06%
75th Percentile £100,000 £115,000 £116,250
90th Percentile - £125,750 £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 108,916 44,178 72,902
% of permanent jobs with a recognized job title 93.10% 89.68% 95.28%
Number of salaries quoted 74,482 25,948 42,900
10th Percentile £30,000 £28,250 £30,250
25th Percentile £40,552 £36,250 £40,000
Median annual salary (50th Percentile) £59,250 £55,000 £55,000
Median % change year-on-year +7.73% - -8.33%
75th Percentile £77,500 £75,000 £75,000
90th Percentile £100,000 £95,000 £92,769
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 24 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 24 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 +167 395 £90,000 -10.00% 204
UK excluding London +118 328 £85,000 +6.25% 130
Work from Home +39 97 £90,000 -10.00% 81
London +8 87 £100,000 -11.11% 80
South West -7 78 £100,000 - 22
North of England +9 77 £90,000 +5.88% 30
South East +3 70 £85,000 +25.00% 25
North West +24 55 £90,000 +5.88% 25
East of England +15 52 £85,000 -15.00% 29
East Midlands +1 31 £70,000 -6.67% 8
Midlands -23 31 £70,000 -6.67% 15
Scotland +21 20 £100,000 +33.33% 9
North East - 14 £110,000 - 1
Yorkshire - 8 £77,500 - 4

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

For the 6 months to 24 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.

1 436 (100.00%) Software Engineering
2 49 (11.24%) Technical Leadership
3 46 (10.55%) Security Cleared
4 45 (10.32%) SC Cleared
5 44 (10.09%) AI
6 40 (9.17%) Agile
7 33 (7.57%) Degree
8 32 (7.34%) Python
9 30 (6.88%) C++
9 30 (6.88%) Java
9 30 (6.88%) TypeScript
10 28 (6.42%) AWS
11 26 (5.96%) Computer Science
12 23 (5.28%) React
13 22 (5.05%) Full-Stack Development
14 21 (4.82%) CI/CD
15 20 (4.59%) SDLC
16 19 (4.36%) Computer Science Degree
16 19 (4.36%) Mathematics
16 19 (4.36%) Mentoring
17 18 (4.13%) BPSS Clearance
17 18 (4.13%) Linux
18 17 (3.90%) Machine Learning
18 17 (3.90%) Rust
19 16 (3.67%) Continuous Improvement
19 16 (3.67%) DV Cleared
19 16 (3.67%) Microservices
19 16 (3.67%) Open Source
19 16 (3.67%) People Management
19 16 (3.67%) Roadmaps

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 (0.69%) Drupal
1 3 (0.69%) Umbraco
2 2 (0.46%) WinCC
3 1 (0.23%) Apache
3 1 (0.23%) Apache Airflow
3 1 (0.23%) Apache Spark
3 1 (0.23%) Camunda
3 1 (0.23%) CMS
3 1 (0.23%) Sitecore CMS
Applications
1 3 (0.69%) Microsoft Excel
1 3 (0.69%) Microsoft Office
1 3 (0.69%) Microsoft PowerPoint
Cloud Services
1 28 (6.42%) AWS
2 11 (2.52%) Azure
3 9 (2.06%) SaaS
4 5 (1.15%) GCP
5 4 (0.92%) Serverless
6 3 (0.69%) Amazon Bedrock
6 3 (0.69%) Amazon S3
6 3 (0.69%) Azure DevOps
7 2 (0.46%) Azure API Management
7 2 (0.46%) Azure Functions
7 2 (0.46%) Azure Logic Apps
7 2 (0.46%) Dynamics 365
7 2 (0.46%) GitHub
7 2 (0.46%) GitHub Copilot
7 2 (0.46%) n8n
7 2 (0.46%) Power Automate
7 2 (0.46%) Power Platform
7 2 (0.46%) Vertex AI
8 1 (0.23%) AWS Lambda
8 1 (0.23%) OpenShift
Communications & Networking
1 6 (1.38%) Wireless
2 5 (1.15%) Multicast
3 4 (0.92%) 5G
4 2 (0.46%) Bluetooth
4 2 (0.46%) TCP/IP
4 2 (0.46%) Wi-Fi
4 2 (0.46%) ZigBee
Database & Business Intelligence
1 6 (1.38%) GIS
2 4 (0.92%) Redis
3 3 (0.69%) MySQL
3 3 (0.69%) SQL Server
4 2 (0.46%) Big Data
4 2 (0.46%) Metadata
4 2 (0.46%) NoSQL
4 2 (0.46%) Pinecone
4 2 (0.46%) 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 (1.15%) JIRA
2 4 (0.92%) Rational Rhapsody
3 2 (0.46%) 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 48 (11.01%) Finance
2 26 (5.96%) Aerospace
3 21 (4.82%) Electronics
4 18 (4.13%) Banking
5 17 (3.90%) Social Skills
6 14 (3.21%) Retail
7 13 (2.98%) Financial Institution
7 13 (2.98%) Inclusion and Diversity
8 8 (1.83%) Aviation
8 8 (1.83%) Military
9 7 (1.61%) Law
9 7 (1.61%) Marketing
10 6 (1.38%) Games
11 4 (0.92%) Front Office
11 4 (0.92%) Health Technology
11 4 (0.92%) Legal
11 4 (0.92%) Wearables
12 3 (0.69%) Public Sector
13 2 (0.46%) Influencing Skills
13 2 (0.46%) Retail Banking
Libraries, Frameworks & Software Standards
1 23 (5.28%) React
2 13 (2.98%) .NET
3 7 (1.61%) Spring Boot
4 6 (1.38%) Node.js
5 5 (1.15%) Boost C++ Libraries
5 5 (1.15%) FIX Protocol
5 5 (1.15%) pytest
5 5 (1.15%) Terraform
5 5 (1.15%) Unreal Engine
6 4 (0.92%) AngularJS
6 4 (0.92%) CrewAI
6 4 (0.92%) LangChain
6 4 (0.92%) Next.js
6 4 (0.92%) Spring
7 3 (0.69%) Godot
7 3 (0.69%) Kafka
7 3 (0.69%) PyTorch
7 3 (0.69%) TensorFlow
8 2 (0.46%) Lambda Expressions
8 2 (0.46%) Vue
Miscellaneous
1 23 (5.28%) Distributed Systems
2 22 (5.05%) Cloud Native
3 12 (2.75%) Embedded Systems
4 11 (2.52%) Public Cloud
5 10 (2.29%) Product Ownership
6 9 (2.06%) AI Agents
7 8 (1.83%) Enterprise Software
8 6 (1.38%) Fixed Income
9 5 (1.15%) Algorithms
9 5 (1.15%) Derivative
9 5 (1.15%) Equities
10 4 (0.92%) Robotics
10 4 (0.92%) Virtual Team
11 3 (0.69%) Culture of Ownership
11 3 (0.69%) Distributed Architecture
11 3 (0.69%) IoT
12 2 (0.46%) Distributed Computing
12 2 (0.46%) Legacy Applications
12 2 (0.46%) Legacy Systems
12 2 (0.46%) Onboarding
Operating Systems
1 18 (4.13%) Linux
2 2 (0.46%) Embedded Linux
2 2 (0.46%) FreeRTOS
Processes & Methodologies
1 436 (100.00%) Software Engineering
2 49 (11.24%) Technical Leadership
3 44 (10.09%) AI
4 40 (9.17%) Agile
5 26 (5.96%) Computer Science
6 22 (5.05%) Full-Stack Development
7 21 (4.82%) CI/CD
8 20 (4.59%) SDLC
9 19 (4.36%) Mathematics
9 19 (4.36%) Mentoring
10 17 (3.90%) Machine Learning
11 16 (3.67%) Continuous Improvement
11 16 (3.67%) Microservices
11 16 (3.67%) Open Source
11 16 (3.67%) People Management
11 16 (3.67%) Roadmaps
11 16 (3.67%) Software Architecture
12 15 (3.44%) Validation
12 15 (3.44%) Workflow
13 14 (3.21%) DevOps
Programming Languages
1 32 (7.34%) Python
2 30 (6.88%) C++
2 30 (6.88%) Java
2 30 (6.88%) TypeScript
3 17 (3.90%) Rust
4 15 (3.44%) C
5 14 (3.21%) C#
6 9 (2.06%) JavaScript
7 6 (1.38%) PHP
8 5 (1.15%) Go
8 5 (1.15%) Scala
9 3 (0.69%) SQL
10 2 (0.46%) R
10 2 (0.46%) Ruby
11 1 (0.23%) Apex Code
11 1 (0.23%) Assembly Language
11 1 (0.23%) Kotlin
Qualifications
1 46 (10.55%) Security Cleared
2 45 (10.32%) SC Cleared
3 33 (7.57%) Degree
4 19 (4.36%) Computer Science Degree
5 18 (4.13%) BPSS Clearance
6 16 (3.67%) DV Cleared
7 3 (0.69%) Chartered Engineer
7 3 (0.69%) HND
8 2 (0.46%) Microsoft Certified Professional
Quality Assurance & Compliance
1 12 (2.75%) QA
2 9 (2.06%) Accessibility
3 4 (0.92%) DO-178B
4 2 (0.46%) IEC 61131
4 2 (0.46%) IEC 61508
5 1 (0.23%) Data Quality
System Software
1 7 (1.61%) Docker
Systems Management
1 8 (1.83%) Kubernetes
2 1 (0.23%) Ansible
2 1 (0.23%) Grafana
Vendors
1 8 (1.83%) Palantir
2 7 (1.61%) Microsoft
3 3 (0.69%) Databricks
3 3 (0.69%) OpenAI
4 2 (0.46%) Google
4 2 (0.46%) 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