Principal Engineer Job Trends in London

Principal Engineer
England > London

The median Principal Engineer salary in London is £100,000 per year, according to job vacancies posted during the 6 months leading to 3 July 2026.

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

6 months to
3 Jul 2026
Same period 2025 Same period 2024
Rank 208 341 286
Rank change year-on-year +133 -55 +60
Permanent jobs requiring a Principal Engineer 236 57 230
As % of all permanent jobs in London 1.08% 0.46% 0.95%
As % of the Job Titles category 1.16% 0.50% 1.01%
Number of salaries quoted 181 39 166
10th Percentile £81,250 £77,000 £70,000
25th Percentile £90,000 £82,875 £75,000
Median annual salary (50th Percentile) £100,000 £110,000 £91,250
Median % change year-on-year -9.09% +20.55% -15.12%
75th Percentile £107,500 £122,500 £110,000
90th Percentile £130,000 £136,000 £122,500
England median annual salary £87,200 £70,600 £75,000
% change year-on-year +23.51% -5.87% -14.29%

All Permanent IT Job Roles
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. 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 London with a recognized job title 20,353 11,297 22,786
% of permanent jobs with a recognized job title 92.76% 91.28% 94.43%
Number of salaries quoted 14,015 7,236 16,886
10th Percentile £40,000 £40,000 £37,500
25th Percentile £55,000 £55,000 £50,000
Median annual salary (50th Percentile) £75,000 £75,000 £70,000
Median % change year-on-year - +7.14% -3.45%
75th Percentile £95,000 £98,000 £93,750
90th Percentile £100,000 £122,500 £115,000
England median annual salary £57,500 £57,201 £52,500
% change year-on-year +0.52% +8.95% -12.50%

Principal Engineer
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings featuring 'Principal Engineer' in the job title relative to all permanent IT jobs advertised in London.

Principal Engineer job vacancy trend in London

Principal Engineer
Salary Trend in London

Salary distribution trend for Principal Engineer job vacancies in London.

Salary distribution trend for Principal Engineer job vacancies in London

Principal Engineer
Salary Histogram in London

Salary distribution for jobs citing Principal Engineer in London over the 6 months to 3 July 2026.

Salary histogram for Principal Engineer in London

Principal Engineer
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Principal Engineer within the London region over the 6 months to 3 July 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
Central London +39 50 £90,000 -20.00% 11
South London +19 4 - - 2
West London - 2 - -
Principal Engineer
England

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

For the 6 months to 3 July 2026, Principal 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 across the London region featuring Principal Engineer in the job title.

1 88 (37.29%) Software Engineering
2 69 (29.24%) CI/CD
3 66 (27.97%) AWS
4 55 (23.31%) Infrastructure as Code
4 55 (23.31%) Technical Leadership
5 52 (22.03%) Agile
6 51 (21.61%) Mentoring
7 49 (20.76%) Azure
8 45 (19.07%) AI
8 45 (19.07%) Java
8 45 (19.07%) Microservices
9 44 (18.64%) Python
10 39 (16.53%) SQL
11 32 (13.56%) Continuous Improvement
11 32 (13.56%) Test Automation
12 29 (12.29%) Data Engineering
13 28 (11.86%) DevOps
13 28 (11.86%) TypeScript
14 26 (11.02%) Roadmaps
15 25 (10.59%) Coaching
15 25 (10.59%) GCP
15 25 (10.59%) Kafka
15 25 (10.59%) Terraform
16 24 (10.17%) Analytics
16 24 (10.17%) Event-Driven
16 24 (10.17%) Spring
17 23 (9.75%) GitLab
17 23 (9.75%) Security Cleared
17 23 (9.75%) Spring Boot
18 22 (9.32%) Full-Stack Development

Principal Engineer Skill Set
Co-Occurring Skills & Capabilities in London 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 4 (1.69%) Apache Airflow
2 3 (1.27%) Camunda
3 1 (0.42%) Apache Spark
3 1 (0.42%) CMS
3 1 (0.42%) Confluence
3 1 (0.42%) Sitecore CMS
Applications
1 2 (0.85%) Microsoft PowerPoint
Cloud Services
1 66 (27.97%) AWS
2 49 (20.76%) Azure
3 25 (10.59%) GCP
4 20 (8.47%) AWS CloudFormation
5 10 (4.24%) GitHub
6 9 (3.81%) GitHub Copilot
6 9 (3.81%) Serverless
7 8 (3.39%) Anthropic Claude
7 8 (3.39%) dbt
7 8 (3.39%) SaaS
8 6 (2.54%) Azure DevOps
8 6 (2.54%) Entra ID
9 5 (2.12%) Azure Cosmos DB
9 5 (2.12%) Azure Key Vault
9 5 (2.12%) Azure Monitor
9 5 (2.12%) Azure Sentinel
9 5 (2.12%) Azure Service Bus
10 4 (1.69%) AWS Lambda
10 4 (1.69%) AWS Step Functions
10 4 (1.69%) Cloud Composer
Communications & Networking
1 6 (2.54%) Multicast
2 4 (1.69%) Broadband
2 4 (1.69%) Firewall
2 4 (1.69%) WAN
3 3 (1.27%) LAN
3 3 (1.27%) WLAN
4 2 (0.85%) Bluetooth
4 2 (0.85%) DNS
4 2 (0.85%) Wi-Fi
4 2 (0.85%) Wireless
5 1 (0.42%) DHCP
5 1 (0.42%) SD-WAN
5 1 (0.42%) VPN
5 1 (0.42%) VSAN
Database & Business Intelligence
1 18 (7.63%) NoSQL
2 12 (5.08%) BigQuery
3 8 (3.39%) Semantic Layer
4 6 (2.54%) PostgreSQL
5 5 (2.12%) Azure SQL Database
5 5 (2.12%) Data Lake
5 5 (2.12%) GIS
5 5 (2.12%) MongoDB
6 4 (1.69%) Elasticsearch
7 3 (1.27%) Amazon RDS
7 3 (1.27%) Data Warehouse
7 3 (1.27%) MySQL
8 2 (0.85%) Big Data
8 2 (0.85%) DynamoDB
9 1 (0.42%) Apache Cassandra
9 1 (0.42%) DataStage
9 1 (0.42%) Neo4j
9 1 (0.42%) Pentaho
9 1 (0.42%) RDBMS
9 1 (0.42%) Redis
Development Applications
1 23 (9.75%) GitLab
2 17 (7.20%) Cucumber
3 9 (3.81%) Claude Code
4 7 (2.97%) JIRA
5 5 (2.12%) Jenkins
6 2 (0.85%) Git
7 1 (0.42%) Atlassian Bamboo
7 1 (0.42%) Jaeger
7 1 (0.42%) Maven
7 1 (0.42%) Selenium
General
1 57 (24.15%) Finance
2 16 (6.78%) Banking
3 12 (5.08%) Retail
3 12 (5.08%) Social Skills
4 10 (4.24%) Law
5 9 (3.81%) Inclusion and Diversity
6 7 (2.97%) Analytical Skills
7 4 (1.69%) Influencing Skills
7 4 (1.69%) Public Sector
8 2 (0.85%) Electronics
8 2 (0.85%) Manufacturing
9 1 (0.42%) Billing
9 1 (0.42%) Front Office
9 1 (0.42%) Legal
Libraries, Frameworks & Software Standards
1 25 (10.59%) Kafka
2 24 (10.17%) Spring
3 23 (9.75%) Spring Boot
4 21 (8.90%) React
5 12 (5.08%) .NET
6 10 (4.24%) Node.js
7 9 (3.81%) Android Jetpack
7 9 (3.81%) Jetpack Compose
8 6 (2.54%) Boost C++ Libraries
8 6 (2.54%) FIX Protocol
8 6 (2.54%) pytest
9 5 (2.12%) ADO
9 5 (2.12%) YAML
10 4 (1.69%) .NET Framework
10 4 (1.69%) ASP.NET
10 4 (1.69%) ASP.NET Web API
10 4 (1.69%) CSS
10 4 (1.69%) Django
10 4 (1.69%) Entity Framework
10 4 (1.69%) REST
Miscellaneous
1 42 (17.80%) Distributed Systems
2 41 (17.37%) Cloud Native
3 24 (10.17%) Enterprise Software
4 19 (8.05%) Public Cloud
5 17 (7.20%) e-Learning
6 11 (4.66%) Algorithms
7 10 (4.24%) Data Centre
8 9 (3.81%) Mobile Banking
9 7 (2.97%) Fixed Income
10 6 (2.54%) Derivative
10 6 (2.54%) Equities
11 4 (1.69%) Data Structures
11 4 (1.69%) Greenfield Project
12 3 (1.27%) Life Science
12 3 (1.27%) Management Information System
13 2 (0.85%) AI Agents
13 2 (0.85%) Cyber Threat
13 2 (0.85%) Embedded Systems
13 2 (0.85%) Hybrid Cloud
13 2 (0.85%) Security Operations Centre
Operating Systems
1 16 (6.78%) Linux
2 9 (3.81%) Android
3 6 (2.54%) Windows
4 5 (2.12%) VMS
5 3 (1.27%) Ubuntu
6 2 (0.85%) Windows Server
7 1 (0.42%) CentOS
7 1 (0.42%) Red Hat Enterprise Linux
Processes & Methodologies
1 88 (37.29%) Software Engineering
2 69 (29.24%) CI/CD
3 55 (23.31%) Infrastructure as Code
3 55 (23.31%) Technical Leadership
4 52 (22.03%) Agile
5 51 (21.61%) Mentoring
6 45 (19.07%) AI
6 45 (19.07%) Microservices
7 32 (13.56%) Continuous Improvement
7 32 (13.56%) Test Automation
8 29 (12.29%) Data Engineering
9 28 (11.86%) DevOps
10 26 (11.02%) Roadmaps
11 25 (10.59%) Coaching
12 24 (10.17%) Analytics
12 24 (10.17%) Event-Driven
13 22 (9.32%) Full-Stack Development
14 21 (8.90%) Architectural Patterns
15 18 (7.63%) End-to-End Testing
16 17 (7.20%) Observability
Programming Languages
1 45 (19.07%) Java
2 44 (18.64%) Python
3 39 (16.53%) SQL
4 28 (11.86%) TypeScript
5 19 (8.05%) JavaScript
6 10 (4.24%) C#
7 9 (3.81%) Kotlin
8 6 (2.54%) C++
9 5 (2.12%) PowerShell
10 4 (1.69%) Go
11 3 (1.27%) Rust
Qualifications
1 23 (9.75%) Security Cleared
2 21 (8.90%) SC Cleared
3 18 (7.63%) AWS Certification
3 18 (7.63%) Degree
4 17 (7.20%) AWS Certified Solutions Architect
5 8 (3.39%) DV Cleared
6 7 (2.97%) PhD
7 4 (1.69%) Computer Science Degree
8 2 (0.85%) CEH
8 2 (0.85%) CISSP
8 2 (0.85%) CompTIA Security+
8 2 (0.85%) GIAC
8 2 (0.85%) Master's Degree
9 1 (0.42%) Azure Certification
9 1 (0.42%) DBS Check
9 1 (0.42%) Microsoft Certification
Quality Assurance & Compliance
1 10 (4.24%) QA
2 8 (3.39%) Data Quality
3 3 (1.27%) GDPR
3 3 (1.27%) NCSC
3 3 (1.27%) NIST
4 2 (0.85%) ISO/IEC 27001
5 1 (0.42%) Accessibility
5 1 (0.42%) RMADS
System Software
1 12 (5.08%) Docker
2 8 (3.39%) Active Directory
3 2 (0.85%) VMware Infrastructure
4 1 (0.42%) Virtual Machines
4 1 (0.42%) VMware ESXi
4 1 (0.42%) VMware NSX
4 1 (0.42%) vSphere
Systems Management
1 25 (10.59%) Terraform
2 22 (9.32%) Kubernetes
3 7 (2.97%) Ansible
4 3 (1.27%) Microsoft Intune
4 3 (1.27%) SCCM
5 2 (0.85%) Single Sign-On
6 1 (0.42%) Progress Chef
6 1 (0.42%) Prometheus
6 1 (0.42%) SCOM
Vendors
1 16 (6.78%) Microsoft
2 15 (6.36%) Palantir
3 13 (5.51%) Google
4 10 (4.24%) VMware
5 3 (1.27%) Red Hat
6 2 (0.85%) Darktrace
6 2 (0.85%) EMC
6 2 (0.85%) Zscaler
7 1 (0.42%) Cisco
7 1 (0.42%) Databricks
7 1 (0.42%) Fortinet
7 1 (0.42%) Informatica
7 1 (0.42%) Juniper
7 1 (0.42%) OpenAI
7 1 (0.42%) Oracle
7 1 (0.42%) Palo Alto
7 1 (0.42%) Sitecore
7 1 (0.42%) Talend