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 30 September 2026.

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

6 months to
30 Sep 2026
Same period 2025 Same period 2024
Rank 424 611 585
Rank change year-on-year +187 -26 +91
Permanent jobs requiring a Principal Software Engineer 458 63 198
As % of all permanent jobs in the UK 0.39% 0.13% 0.27%
As % of the Job Titles category 0.42% 0.14% 0.28%
Number of salaries quoted 297 45 138
10th Percentile £75,000 £68,300 £67,500
25th Percentile £80,000 £75,000 £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 - £125,750 £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 109,655 44,258 71,074
% of permanent jobs with a recognized job title 92.93% 89.76% 95.29%
Number of salaries quoted 74,828 25,506 41,262
10th Percentile £30,000 £28,250 £30,500
25th Percentile £41,000 £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 £74,000 £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 30 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 30 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 +183 411 £90,000 -10.00% 181
UK excluding London +122 336 £85,000 +6.25% 118
Work from Home +41 101 £90,000 -10.00% 78
London +2 95 £100,000 -11.11% 65
South West -5 78 £100,000 - 22
North of England +5 77 £90,000 +5.88% 33
South East +7 72 £85,000 +25.00% 20
North West +19 55 £90,000 +5.88% 26
East of England +16 54 £85,000 -15.00% 20
East Midlands -7 35 £70,000 -6.67% 9
Midlands -27 35 £70,000 -6.67% 14
Scotland +35 20 £100,000 +33.33% 8
North East - 15 £110,000 - 1
Yorkshire - 7 £100,000 - 6

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

For the 6 months to 30 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.

1 458 (100.00%) Software Engineering
2 56 (12.23%) Technical Leadership
3 54 (11.79%) Security Cleared
4 53 (11.57%) SC Cleared
5 45 (9.83%) AI
6 41 (8.95%) Agile
7 36 (7.86%) Degree
8 34 (7.42%) Java
9 32 (6.99%) C++
10 31 (6.77%) Python
11 30 (6.55%) TypeScript
12 28 (6.11%) AWS
13 26 (5.68%) Computer Science
13 26 (5.68%) Full-Stack Development
14 23 (5.02%) React
15 22 (4.80%) CI/CD
15 22 (4.80%) Mentoring
16 21 (4.59%) BPSS Clearance
17 20 (4.37%) SDLC
18 19 (4.15%) Computer Science Degree
18 19 (4.15%) Mathematics
18 19 (4.15%) Software Architecture
19 18 (3.93%) Linux
19 18 (3.93%) Machine Learning
19 18 (3.93%) Validation
20 17 (3.71%) Microservices
20 17 (3.71%) Open Source
20 17 (3.71%) Rust
21 16 (3.49%) C
21 16 (3.49%) Continuous Improvement

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 5 (1.09%) Drupal
1 5 (1.09%) Umbraco
2 2 (0.44%) Camunda
2 2 (0.44%) WinCC
3 1 (0.22%) Apache
3 1 (0.22%) Apache Airflow
3 1 (0.22%) Apache Spark
3 1 (0.22%) CMS
3 1 (0.22%) Sitecore CMS
Applications
1 3 (0.66%) Microsoft Excel
1 3 (0.66%) Microsoft Office
1 3 (0.66%) Microsoft PowerPoint
Cloud Services
1 28 (6.11%) AWS
2 11 (2.40%) Azure
3 9 (1.97%) SaaS
4 5 (1.09%) GCP
4 5 (1.09%) Serverless
5 4 (0.87%) Amazon S3
6 3 (0.66%) Amazon Bedrock
6 3 (0.66%) Azure DevOps
7 2 (0.44%) Amazon EKS
7 2 (0.44%) Amazon EventBridge
7 2 (0.44%) AWS Lambda
7 2 (0.44%) Azure API Management
7 2 (0.44%) Azure Functions
7 2 (0.44%) Azure Logic Apps
7 2 (0.44%) Dynamics 365
7 2 (0.44%) GitHub Copilot
7 2 (0.44%) n8n
7 2 (0.44%) Power Automate
7 2 (0.44%) Power Platform
7 2 (0.44%) Vertex AI
Communications & Networking
1 5 (1.09%) Multicast
1 5 (1.09%) Wireless
2 4 (0.87%) 5G
3 2 (0.44%) Bluetooth
3 2 (0.44%) TCP/IP
3 2 (0.44%) Wi-Fi
3 2 (0.44%) ZigBee
Database & Business Intelligence
1 6 (1.31%) GIS
2 4 (0.87%) Redis
3 3 (0.66%) MySQL
3 3 (0.66%) SQL Server
4 2 (0.44%) Amazon RDS
4 2 (0.44%) Big Data
4 2 (0.44%) Metadata
4 2 (0.44%) NoSQL
4 2 (0.44%) Pinecone
4 2 (0.44%) PostgreSQL
5 1 (0.22%) Apache Iceberg
5 1 (0.22%) Data Lake
5 1 (0.22%) Data Warehouse
5 1 (0.22%) Elasticsearch
5 1 (0.22%) MariaDB
5 1 (0.22%) Relational Database
5 1 (0.22%) Snowflake Schema
5 1 (0.22%) SQLite
Development Applications
1 7 (1.53%) Rational Rhapsody
2 5 (1.09%) JIRA
3 2 (0.44%) Claude Code
3 2 (0.44%) JUnit
3 2 (0.44%) Mockito
4 1 (0.22%) Cypress.io
4 1 (0.22%) Git
4 1 (0.22%) Mocha
General
1 52 (11.35%) Finance
2 29 (6.33%) Aerospace
3 26 (5.68%) Electronics
4 18 (3.93%) Banking
5 17 (3.71%) Social Skills
6 14 (3.06%) Financial Institution
6 14 (3.06%) Retail
7 13 (2.84%) Inclusion and Diversity
8 11 (2.40%) Military
9 8 (1.75%) Aviation
10 7 (1.53%) Games
10 7 (1.53%) Law
10 7 (1.53%) Marketing
11 6 (1.31%) Wearables
12 5 (1.09%) Health Technology
13 4 (0.87%) Front Office
13 4 (0.87%) Legal
14 3 (0.66%) Public Sector
15 2 (0.44%) Influencing Skills
15 2 (0.44%) Manufacturing
Libraries, Frameworks & Software Standards
1 23 (5.02%) React
2 15 (3.28%) .NET
3 7 (1.53%) Spring Boot
4 6 (1.31%) Node.js
4 6 (1.31%) Terraform
5 5 (1.09%) Boost C++ Libraries
5 5 (1.09%) FIX Protocol
5 5 (1.09%) Next.js
5 5 (1.09%) pytest
5 5 (1.09%) Spring
5 5 (1.09%) Unreal Engine
6 4 (0.87%) AngularJS
6 4 (0.87%) CrewAI
6 4 (0.87%) LangChain
7 3 (0.66%) Godot
7 3 (0.66%) Kafka
7 3 (0.66%) PyTorch
7 3 (0.66%) TensorFlow
8 2 (0.44%) Lambda Expressions
8 2 (0.44%) REST
Miscellaneous
1 23 (5.02%) Distributed Systems
2 22 (4.80%) Cloud Native
3 11 (2.40%) Embedded Systems
3 11 (2.40%) Public Cloud
4 10 (2.18%) Product Ownership
5 9 (1.97%) AI Agents
6 8 (1.75%) Enterprise Software
7 6 (1.31%) Fixed Income
8 5 (1.09%) Algorithms
8 5 (1.09%) Derivative
8 5 (1.09%) Equities
9 4 (0.87%) Robotics
9 4 (0.87%) Virtual Team
10 3 (0.66%) Culture of Ownership
10 3 (0.66%) Distributed Architecture
10 3 (0.66%) IoT
11 2 (0.44%) Distributed Computing
11 2 (0.44%) Legacy Applications
11 2 (0.44%) Legacy Systems
11 2 (0.44%) Onboarding
Operating Systems
1 18 (3.93%) Linux
2 2 (0.44%) Embedded Linux
2 2 (0.44%) FreeRTOS
Processes & Methodologies
1 458 (100.00%) Software Engineering
2 56 (12.23%) Technical Leadership
3 45 (9.83%) AI
4 41 (8.95%) Agile
5 26 (5.68%) Computer Science
5 26 (5.68%) Full-Stack Development
6 22 (4.80%) CI/CD
6 22 (4.80%) Mentoring
7 20 (4.37%) SDLC
8 19 (4.15%) Mathematics
8 19 (4.15%) Software Architecture
9 18 (3.93%) Machine Learning
9 18 (3.93%) Validation
10 17 (3.71%) Microservices
10 17 (3.71%) Open Source
11 16 (3.49%) Continuous Improvement
11 16 (3.49%) Roadmaps
12 15 (3.28%) People Management
12 15 (3.28%) Physics
12 15 (3.28%) Workflow
Programming Languages
1 34 (7.42%) Java
2 32 (6.99%) C++
3 31 (6.77%) Python
4 30 (6.55%) TypeScript
5 17 (3.71%) Rust
6 16 (3.49%) C
7 14 (3.06%) C#
8 9 (1.97%) JavaScript
9 8 (1.75%) PHP
10 5 (1.09%) Go
10 5 (1.09%) Scala
11 3 (0.66%) SQL
12 2 (0.44%) R
12 2 (0.44%) Ruby
13 1 (0.22%) Apex Code
13 1 (0.22%) Assembly Language
13 1 (0.22%) Kotlin
Qualifications
1 54 (11.79%) Security Cleared
2 53 (11.57%) SC Cleared
3 36 (7.86%) Degree
4 21 (4.59%) BPSS Clearance
5 19 (4.15%) Computer Science Degree
6 16 (3.49%) DV Cleared
7 3 (0.66%) Chartered Engineer
7 3 (0.66%) HND
8 2 (0.44%) Microsoft Certified Professional
Quality Assurance & Compliance
1 12 (2.62%) QA
2 9 (1.97%) Accessibility
3 7 (1.53%) DO-178B
4 2 (0.44%) IEC 61131
4 2 (0.44%) IEC 61508
5 1 (0.22%) Data Quality
System Software
1 8 (1.75%) Docker
2 1 (0.22%) Firmware
Systems Management
1 9 (1.97%) Kubernetes
2 1 (0.22%) Ansible
2 1 (0.22%) Grafana
Vendors
1 8 (1.75%) Palantir
2 7 (1.53%) Microsoft
3 3 (0.66%) Databricks
3 3 (0.66%) OpenAI
4 2 (0.44%) Google
4 2 (0.44%) Siemens
5 1 (0.22%) Dynatrace
5 1 (0.22%) MuleSoft
5 1 (0.22%) Oracle
5 1 (0.22%) Salesforce
5 1 (0.22%) Sitecore
5 1 (0.22%) Splunk