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 5 September 2026.

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

6 months to
5 Sep 2026
Same period 2025 Same period 2024
Rank 456 608 581
Rank change year-on-year +152 -27 +142
Permanent jobs requiring a Principal Software Engineer 385 64 213
As % of all permanent jobs in the UK 0.35% 0.13% 0.27%
As % of the Job Titles category 0.37% 0.14% 0.28%
Number of salaries quoted 252 44 150
10th Percentile £70,000 £68,000 £67,250
25th Percentile £80,000 £72,500 £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 £75,900 £75,000
% change year-on-year +18.58% +1.20% -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 104,213 44,238 75,109
% of permanent jobs with a recognized job title 93.80% 89.68% 95.22%
Number of salaries quoted 71,757 26,100 47,326
10th Percentile £30,000 £28,000 £30,000
25th Percentile £40,000 £36,250 £40,000
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - -8.33%
75th Percentile £76,250 £75,000 £72,500
90th Percentile £97,500 £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 5 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 5 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 +149 359 £90,000 -10.00% 170
UK excluding London +120 302 £90,000 +18.58% 118
Work from Home +32 81 £90,000 -18.18% 66
South East +28 79 £85,000 +25.00% 16
London -1 74 £100,000 -11.11% 63
North of England +2 71 £95,000 +26.67% 25
South West -12 71 £100,000 - 22
North West +30 47 £90,000 +20.00% 21
East of England 0 41 £82,500 -17.50% 31
East Midlands -13 23 £70,000 -6.67% 11
Midlands -20 23 £70,000 -6.67% 15
Scotland +18 17 £97,500 +30.00% 10
North East - 14 £110,000 -
Yorkshire - 10 £100,000 - 4

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

For the 6 months to 5 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.

1 385 (100.00%) Software Engineering
2 45 (11.69%) Technical Leadership
3 43 (11.17%) AI
4 39 (10.13%) Agile
5 35 (9.09%) Python
6 33 (8.57%) Degree
7 31 (8.05%) C++
8 29 (7.53%) TypeScript
9 28 (7.27%) AWS
9 28 (7.27%) Security Cleared
10 27 (7.01%) Computer Science
10 27 (7.01%) SC Cleared
11 23 (5.97%) Java
12 22 (5.71%) React
13 21 (5.45%) Full-Stack Development
14 20 (5.19%) CI/CD
14 20 (5.19%) Mathematics
14 20 (5.19%) Mentoring
15 19 (4.94%) Computer Science Degree
15 19 (4.94%) Linux
15 19 (4.94%) SDLC
16 18 (4.68%) BPSS Clearance
17 17 (4.42%) Continuous Improvement
17 17 (4.42%) Microservices
17 17 (4.42%) Open Source
17 17 (4.42%) Rust
18 16 (4.16%) C
18 16 (4.16%) DV Cleared
18 16 (4.16%) Workflow
19 15 (3.90%) DevOps

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 (0.52%) CMS
1 2 (0.52%) WinCC
2 1 (0.26%) Apache
2 1 (0.26%) Apache Airflow
2 1 (0.26%) Apache Spark
2 1 (0.26%) Sitecore CMS
2 1 (0.26%) Umbraco
Applications
1 3 (0.78%) Microsoft Excel
1 3 (0.78%) Microsoft Office
1 3 (0.78%) Microsoft PowerPoint
Cloud Services
1 28 (7.27%) AWS
2 9 (2.34%) Azure
2 9 (2.34%) SaaS
3 4 (1.04%) GCP
4 3 (0.78%) Amazon Bedrock
4 3 (0.78%) Serverless
5 2 (0.52%) Amazon S3
5 2 (0.52%) Azure API Management
5 2 (0.52%) Azure DevOps
5 2 (0.52%) Azure Functions
5 2 (0.52%) Azure Logic Apps
5 2 (0.52%) Dynamics 365
5 2 (0.52%) n8n
5 2 (0.52%) Power Automate
5 2 (0.52%) Power Platform
5 2 (0.52%) Vertex AI
6 1 (0.26%) Amazon OpenSearch
6 1 (0.26%) GitHub
6 1 (0.26%) OpenShift
6 1 (0.26%) Snowflake
Communications & Networking
1 6 (1.56%) Multicast
1 6 (1.56%) Wireless
2 4 (1.04%) 5G
3 2 (0.52%) Bluetooth
3 2 (0.52%) TCP/IP
3 2 (0.52%) Wi-Fi
3 2 (0.52%) ZigBee
Database & Business Intelligence
1 6 (1.56%) GIS
2 4 (1.04%) Redis
2 4 (1.04%) SQL Server
3 3 (0.78%) MySQL
4 2 (0.52%) Big Data
4 2 (0.52%) Metadata
4 2 (0.52%) Pinecone
4 2 (0.52%) PostgreSQL
5 1 (0.26%) Apache Iceberg
5 1 (0.26%) Data Lake
5 1 (0.26%) Data Warehouse
5 1 (0.26%) Elasticsearch
5 1 (0.26%) MariaDB
5 1 (0.26%) NoSQL
5 1 (0.26%) Relational Database
5 1 (0.26%) SQLite
Development Applications
1 6 (1.56%) JIRA
2 4 (1.04%) Rational Rhapsody
3 1 (0.26%) Claude Code
3 1 (0.26%) Cypress.io
3 1 (0.26%) Git
3 1 (0.26%) Mocha
General
1 43 (11.17%) Finance
2 25 (6.49%) Aerospace
3 18 (4.68%) Electronics
4 16 (4.16%) Banking
5 15 (3.90%) Retail
6 14 (3.64%) Social Skills
7 13 (3.38%) Inclusion and Diversity
8 8 (2.08%) Financial Institution
8 8 (2.08%) Military
9 7 (1.82%) Aviation
9 7 (1.82%) Law
9 7 (1.82%) Marketing
10 4 (1.04%) Front Office
10 4 (1.04%) Games
10 4 (1.04%) Legal
11 3 (0.78%) Public Sector
12 2 (0.52%) Health Technology
12 2 (0.52%) Manufacturing
12 2 (0.52%) Retail Banking
12 2 (0.52%) Wearables
Libraries, Frameworks & Software Standards
1 22 (5.71%) React
2 9 (2.34%) .NET
3 6 (1.56%) Boost C++ Libraries
3 6 (1.56%) FIX Protocol
3 6 (1.56%) pytest
3 6 (1.56%) Spring Boot
4 5 (1.30%) Node.js
4 5 (1.30%) Unreal Engine
5 4 (1.04%) AngularJS
5 4 (1.04%) CrewAI
5 4 (1.04%) LangChain
6 3 (0.78%) Godot
6 3 (0.78%) Kafka
6 3 (0.78%) PyTorch
6 3 (0.78%) Spring
6 3 (0.78%) TensorFlow
6 3 (0.78%) Terraform
7 2 (0.52%) Lambda Expressions
7 2 (0.52%) REST
7 2 (0.52%) Vue
Miscellaneous
1 21 (5.45%) Cloud Native
1 21 (5.45%) Distributed Systems
2 12 (3.12%) Embedded Systems
3 11 (2.86%) Public Cloud
4 10 (2.60%) Product Ownership
5 8 (2.08%) AI Agents
6 7 (1.82%) Enterprise Software
6 7 (1.82%) Fixed Income
7 6 (1.56%) Algorithms
7 6 (1.56%) Derivative
7 6 (1.56%) Equities
7 6 (1.56%) IoT
8 5 (1.30%) Foreign Exchange (FX)
9 4 (1.04%) Robotics
9 4 (1.04%) Virtual Team
10 3 (0.78%) Culture of Ownership
10 3 (0.78%) Distributed Architecture
10 3 (0.78%) Smart Energy
11 2 (0.52%) Legacy Applications
11 2 (0.52%) Legacy Systems
Operating Systems
1 19 (4.94%) Linux
2 2 (0.52%) Embedded Linux
2 2 (0.52%) FreeRTOS
Processes & Methodologies
1 385 (100.00%) Software Engineering
2 45 (11.69%) Technical Leadership
3 43 (11.17%) AI
4 39 (10.13%) Agile
5 27 (7.01%) Computer Science
6 21 (5.45%) Full-Stack Development
7 20 (5.19%) CI/CD
7 20 (5.19%) Mathematics
7 20 (5.19%) Mentoring
8 19 (4.94%) SDLC
9 17 (4.42%) Continuous Improvement
9 17 (4.42%) Microservices
9 17 (4.42%) Open Source
10 16 (4.16%) Workflow
11 15 (3.90%) DevOps
11 15 (3.90%) Software Architecture
11 15 (3.90%) Validation
12 14 (3.64%) Machine Learning
12 14 (3.64%) People Management
13 13 (3.38%) Creative Thinking
Programming Languages
1 35 (9.09%) Python
2 31 (8.05%) C++
3 29 (7.53%) TypeScript
4 23 (5.97%) Java
5 17 (4.42%) Rust
6 16 (4.16%) C
7 13 (3.38%) C#
8 10 (2.60%) JavaScript
9 5 (1.30%) Go
9 5 (1.30%) Scala
10 3 (0.78%) PHP
10 3 (0.78%) SQL
11 2 (0.52%) R
11 2 (0.52%) Ruby
12 1 (0.26%) Assembly Language
12 1 (0.26%) Kotlin
Qualifications
1 33 (8.57%) Degree
2 28 (7.27%) Security Cleared
3 27 (7.01%) SC Cleared
4 19 (4.94%) Computer Science Degree
5 18 (4.68%) BPSS Clearance
6 16 (4.16%) DV Cleared
7 3 (0.78%) Chartered Engineer
7 3 (0.78%) HND
8 2 (0.52%) Microsoft Certified Professional
Quality Assurance & Compliance
1 15 (3.90%) QA
2 9 (2.34%) Accessibility
3 4 (1.04%) DO-178B
4 2 (0.52%) IEC 61131
4 2 (0.52%) IEC 61508
5 1 (0.26%) GDPR
System Software
1 5 (1.30%) Docker
Systems Management
1 6 (1.56%) Kubernetes
2 1 (0.26%) Ansible
2 1 (0.26%) Grafana
Vendors
1 8 (2.08%) Palantir
2 5 (1.30%) Microsoft
3 3 (0.78%) Databricks
3 3 (0.78%) OpenAI
4 2 (0.52%) Google
4 2 (0.52%) Siemens
5 1 (0.26%) Dynatrace
5 1 (0.26%) Oracle
5 1 (0.26%) Sitecore
5 1 (0.26%) Splunk