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 9 October 2026.

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

6 months to
9 Oct 2026
Same period 2025 Same period 2024
Rank 412 621 579
Rank change year-on-year +209 -42 +105
Permanent jobs requiring a Principal Software Engineer 477 59 191
As % of all permanent jobs in the UK 0.40% 0.12% 0.26%
As % of the Job Titles category 0.44% 0.13% 0.28%
Number of salaries quoted 303 42 135
10th Percentile £75,000 £68,075 £67,500
25th Percentile £80,000 £73,125 £75,000
Median annual salary (50th Percentile) £90,000 £100,000 £95,000
Median % change year-on-year -10.00% +5.26% +15.15%
75th Percentile £100,000 £113,750 £116,250
90th Percentile - £124,375 £147,500
UK excluding London median annual salary £85,000 £80,000 £80,000
% change year-on-year +6.25% - +3.56%

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 109,260 44,699 69,182
% of permanent jobs with a recognized job title 92.68% 89.81% 95.36%
Number of salaries quoted 74,288 25,844 39,771
10th Percentile £30,000 £28,000 £31,250
25th Percentile £40,750 £35,500 £41,250
Median annual salary (50th Percentile) £58,210 £53,688 £55,000
Median % change year-on-year +8.42% -2.39% -8.33%
75th Percentile £76,250 £73,750 £75,000
90th Percentile £98,750 £95,000 £95,000
UK excluding London median annual salary £55,000 £46,000 £50,000
% change year-on-year +19.57% -8.00% -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 9 October 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 9 October 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 +182 423 £90,000 -10.00% 172
UK excluding London +128 339 £85,000 +6.25% 105
London +21 105 £100,000 -11.11% 67
Work from Home +58 102 £90,000 -7.69% 70
South West 0 84 £100,000 - 17
North of England -6 72 £90,000 +5.88% 24
South East +3 66 £85,000 +25.00% 23
East of England +14 58 £85,000 -15.00% 26
North West +23 51 £90,000 +5.88% 18
East Midlands +1 38 £70,000 -6.67% 3
Midlands -11 38 £70,000 -6.67% 7
Scotland +30 21 £100,000 +33.33% 7
North East - 16 £105,000 - 3
Yorkshire - 5 £100,000 - 3

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

For the 6 months to 9 October 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.

1 477 (100.00%) Software Engineering
2 63 (13.21%) Security Cleared
3 62 (13.00%) SC Cleared
4 58 (12.16%) Technical Leadership
5 44 (9.22%) AI
6 43 (9.01%) Agile
7 39 (8.18%) Java
8 36 (7.55%) Degree
9 32 (6.71%) C++
10 29 (6.08%) Python
10 29 (6.08%) TypeScript
11 28 (5.87%) Full-Stack Development
12 26 (5.45%) Computer Science
13 25 (5.24%) AWS
14 22 (4.61%) React
15 21 (4.40%) BPSS Clearance
15 21 (4.40%) SDLC
16 20 (4.19%) CI/CD
16 20 (4.19%) Mentoring
17 19 (3.98%) Computer Science Degree
17 19 (3.98%) DV Cleared
17 19 (3.98%) Machine Learning
17 19 (3.98%) Mathematics
17 19 (3.98%) Software Architecture
18 18 (3.77%) .NET
18 18 (3.77%) Linux
18 18 (3.77%) Validation
19 17 (3.56%) Open Source
19 17 (3.56%) Rust
20 16 (3.35%) DevSecOps

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 8 (1.68%) Drupal
1 8 (1.68%) Umbraco
2 2 (0.42%) Camunda
2 2 (0.42%) WinCC
3 1 (0.21%) Apache
3 1 (0.21%) Apache Airflow
3 1 (0.21%) Apache Spark
3 1 (0.21%) CMS
3 1 (0.21%) Sitecore CMS
Applications
1 3 (0.63%) Microsoft Excel
1 3 (0.63%) Microsoft Office
1 3 (0.63%) Microsoft PowerPoint
Cloud Services
1 25 (5.24%) AWS
2 12 (2.52%) Azure
3 7 (1.47%) SaaS
4 6 (1.26%) Amazon S3
5 5 (1.05%) GCP
5 5 (1.05%) Serverless
6 4 (0.84%) GitHub
7 3 (0.63%) Amazon Bedrock
7 3 (0.63%) Azure DevOps
8 2 (0.42%) Amazon EKS
8 2 (0.42%) Amazon EventBridge
8 2 (0.42%) AWS Lambda
8 2 (0.42%) Azure API Management
8 2 (0.42%) Azure Functions
8 2 (0.42%) Dynamics 365
8 2 (0.42%) GitHub Copilot
8 2 (0.42%) n8n
8 2 (0.42%) Power Automate
8 2 (0.42%) Power Platform
8 2 (0.42%) Vertex AI
Communications & Networking
1 5 (1.05%) Multicast
2 4 (0.84%) 5G
2 4 (0.84%) Wireless
3 2 (0.42%) Bluetooth
3 2 (0.42%) TCP/IP
3 2 (0.42%) Wi-Fi
3 2 (0.42%) ZigBee
Database & Business Intelligence
1 6 (1.26%) GIS
1 6 (1.26%) Redis
2 4 (0.84%) Big Data
2 4 (0.84%) PostgreSQL
3 3 (0.63%) MySQL
3 3 (0.63%) SQL Server
4 2 (0.42%) Amazon RDS
4 2 (0.42%) Metadata
4 2 (0.42%) NoSQL
4 2 (0.42%) Pinecone
5 1 (0.21%) Apache Iceberg
5 1 (0.21%) Data Lake
5 1 (0.21%) Data Warehouse
5 1 (0.21%) Elasticsearch
5 1 (0.21%) MariaDB
5 1 (0.21%) Relational Database
5 1 (0.21%) Snowflake Schema
5 1 (0.21%) SQLite
Development Applications
1 7 (1.47%) Rational Rhapsody
2 5 (1.05%) JIRA
3 2 (0.42%) Claude Code
3 2 (0.42%) GitLab
3 2 (0.42%) JUnit
3 2 (0.42%) Mockito
4 1 (0.21%) Cypress.io
4 1 (0.21%) Git
4 1 (0.21%) Mocha
General
1 55 (11.53%) Finance
2 32 (6.71%) Aerospace
3 28 (5.87%) Electronics
4 19 (3.98%) Banking
5 18 (3.77%) Social Skills
6 16 (3.35%) Financial Institution
7 13 (2.73%) Inclusion and Diversity
8 11 (2.31%) Military
8 11 (2.31%) Retail
9 8 (1.68%) Aviation
9 8 (1.68%) Games
10 7 (1.47%) Law
10 7 (1.47%) Marketing
10 7 (1.47%) Wearables
11 6 (1.26%) Health Technology
12 4 (0.84%) Front Office
12 4 (0.84%) Legal
12 4 (0.84%) Public Sector
13 2 (0.42%) Influencing Skills
13 2 (0.42%) Manufacturing
Libraries, Frameworks & Software Standards
1 22 (4.61%) React
2 18 (3.77%) .NET
3 6 (1.26%) Node.js
3 6 (1.26%) Spring Boot
4 5 (1.05%) Boost C++ Libraries
4 5 (1.05%) FIX Protocol
4 5 (1.05%) Kafka
4 5 (1.05%) Next.js
4 5 (1.05%) pytest
4 5 (1.05%) Spring
4 5 (1.05%) Terraform
4 5 (1.05%) Unreal Engine
5 4 (0.84%) AngularJS
5 4 (0.84%) CrewAI
5 4 (0.84%) LangChain
6 3 (0.63%) Godot
6 3 (0.63%) PyTorch
6 3 (0.63%) TensorFlow
7 2 (0.42%) LangGraph
7 2 (0.42%) Model Context Protocol
Miscellaneous
1 26 (5.45%) Distributed Systems
2 20 (4.19%) Cloud Native
3 12 (2.52%) Public Cloud
4 11 (2.31%) AI Agents
5 10 (2.10%) Embedded Systems
6 8 (1.68%) Enterprise Software
7 7 (1.47%) Product Ownership
8 6 (1.26%) Fixed Income
9 5 (1.05%) Algorithms
9 5 (1.05%) Derivative
9 5 (1.05%) Equities
10 4 (0.84%) Robotics
10 4 (0.84%) Virtual Team
11 3 (0.63%) Culture of Ownership
11 3 (0.63%) Distributed Architecture
11 3 (0.63%) IoT
12 2 (0.42%) Distributed Computing
12 2 (0.42%) Legacy Applications
12 2 (0.42%) Legacy Systems
12 2 (0.42%) Onboarding
Operating Systems
1 18 (3.77%) Linux
2 2 (0.42%) Embedded Linux
2 2 (0.42%) FreeRTOS
Processes & Methodologies
1 477 (100.00%) Software Engineering
2 58 (12.16%) Technical Leadership
3 44 (9.22%) AI
4 43 (9.01%) Agile
5 28 (5.87%) Full-Stack Development
6 26 (5.45%) Computer Science
7 21 (4.40%) SDLC
8 20 (4.19%) CI/CD
8 20 (4.19%) Mentoring
9 19 (3.98%) Machine Learning
9 19 (3.98%) Mathematics
9 19 (3.98%) Software Architecture
10 18 (3.77%) Validation
11 17 (3.56%) Open Source
12 16 (3.35%) DevSecOps
12 16 (3.35%) Microservices
12 16 (3.35%) Roadmaps
13 15 (3.14%) Continuous Improvement
13 15 (3.14%) People Management
13 15 (3.14%) Workflow
Programming Languages
1 39 (8.18%) Java
2 32 (6.71%) C++
3 29 (6.08%) Python
3 29 (6.08%) TypeScript
4 17 (3.56%) Rust
5 15 (3.14%) C
6 14 (2.94%) C#
7 11 (2.31%) PHP
8 9 (1.89%) JavaScript
9 7 (1.47%) Scala
10 5 (1.05%) Go
11 3 (0.63%) Kotlin
11 3 (0.63%) SQL
12 2 (0.42%) R
12 2 (0.42%) Ruby
13 1 (0.21%) Apex Code
13 1 (0.21%) Assembly Language
Qualifications
1 63 (13.21%) Security Cleared
2 62 (13.00%) SC Cleared
3 36 (7.55%) Degree
4 21 (4.40%) BPSS Clearance
5 19 (3.98%) Computer Science Degree
5 19 (3.98%) DV Cleared
6 3 (0.63%) Chartered Engineer
6 3 (0.63%) HND
7 2 (0.42%) Microsoft Certified Professional
Quality Assurance & Compliance
1 11 (2.31%) QA
2 9 (1.89%) Accessibility
3 7 (1.47%) DO-178B
4 2 (0.42%) IEC 61131
4 2 (0.42%) IEC 61508
5 1 (0.21%) Data Quality
System Software
1 8 (1.68%) Docker
2 2 (0.42%) Firmware
Systems Management
1 9 (1.89%) Kubernetes
2 1 (0.21%) Ansible
2 1 (0.21%) Grafana
Vendors
1 8 (1.68%) Palantir
2 7 (1.47%) Microsoft
3 3 (0.63%) Databricks
3 3 (0.63%) OpenAI
4 2 (0.42%) Atlassian
4 2 (0.42%) Google
4 2 (0.42%) Siemens
5 1 (0.21%) Dynatrace
5 1 (0.21%) MuleSoft
5 1 (0.21%) Oracle
5 1 (0.21%) Salesforce
5 1 (0.21%) Sitecore
5 1 (0.21%) Splunk