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 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 188 297 269
Rank change year-on-year +109 -28 +57
Permanent jobs requiring a Principal Engineer 315 90 196
As % of all permanent jobs in London 1.22% 0.77% 1.05%
As % of the Job Titles category 1.32% 0.84% 1.10%
Number of salaries quoted 223 66 137
10th Percentile £81,250 £80,000 £70,000
25th Percentile £90,000 £95,000 £75,000
Median annual salary (50th Percentile) £100,000 £110,000 £100,000
Median % change year-on-year -9.09% +10.00% -4.76%
75th Percentile - £120,000 £116,250
90th Percentile £119,000 £137,500 £147,500
England median annual salary £90,000 £80,000 £75,000
% change year-on-year +12.50% +6.67% -14.77%

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 23,928 10,698 17,851
% of permanent jobs with a recognized job title 92.46% 91.04% 95.34%
Number of salaries quoted 16,205 6,931 10,984
10th Percentile £40,000 £37,500 £40,000
25th Percentile £55,000 £52,500 £52,500
Median annual salary (50th Percentile) £75,000 £72,500 £72,500
Median % change year-on-year +3.45% - -3.33%
75th Percentile £100,000 £96,250 £95,000
90th Percentile - £120,000 £120,000
England median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - -8.33%

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 30 September 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 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
Central London +24 37 £90,000 -20.00% 30
West London - 15 £95,000 - 8
South London +4 12 £95,000 +22.58%
Principal Engineer
England

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

For the 6 months to 30 September 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.

1 121 (38.41%) Software Engineering
2 81 (25.71%) AWS
3 80 (25.40%) CI/CD
3 80 (25.40%) Technical Leadership
4 72 (22.86%) Infrastructure as Code
5 68 (21.59%) Java
6 65 (20.63%) Mentoring
7 60 (19.05%) Agile
8 57 (18.10%) Microservices
9 56 (17.78%) Azure
10 54 (17.14%) AI
11 48 (15.24%) SQL
12 47 (14.92%) Test Automation
13 44 (13.97%) Security Cleared
14 43 (13.65%) SC Cleared
15 40 (12.70%) Kafka
16 39 (12.38%) Data Engineering
16 39 (12.38%) Spring
17 38 (12.06%) DevOps
17 38 (12.06%) Spring Boot
18 37 (11.75%) GitLab
19 36 (11.43%) Python
20 35 (11.11%) Event-Driven
21 34 (10.79%) Coaching
22 33 (10.48%) Architectural Patterns
23 31 (9.84%) Kubernetes
24 30 (9.52%) Terraform
25 29 (9.21%) TypeScript
26 28 (8.89%) BDD
26 28 (8.89%) Continuous Improvement

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 7 (2.22%) Camunda
2 3 (0.95%) Apache Airflow
3 1 (0.32%) Apache Spark
3 1 (0.32%) CMS
3 1 (0.32%) Confluence
3 1 (0.32%) Drupal
3 1 (0.32%) Sitecore CMS
3 1 (0.32%) Umbraco
Applications
1 2 (0.63%) Microsoft PowerPoint
Business Applications
1 1 (0.32%) Misys Midas
Cloud Services
1 81 (25.71%) AWS
2 56 (17.78%) Azure
3 28 (8.89%) GCP
4 26 (8.25%) AWS CloudFormation
5 16 (5.08%) GitHub
6 10 (3.17%) Anthropic Claude
7 9 (2.86%) Azure DevOps
7 9 (2.86%) GitHub Copilot
8 8 (2.54%) Entra ID
8 8 (2.54%) Serverless
9 7 (2.22%) Amazon S3
9 7 (2.22%) SaaS
10 6 (1.90%) AWS Lambda
10 6 (1.90%) dbt
11 5 (1.59%) Azure Cosmos DB
11 5 (1.59%) Azure Logic Apps
11 5 (1.59%) Azure Monitor
11 5 (1.59%) Azure Sentinel
11 5 (1.59%) Azure Service Bus
11 5 (1.59%) Snowflake
Communications & Networking
1 6 (1.90%) Multicast
2 4 (1.27%) Broadband
2 4 (1.27%) Firewall
3 3 (0.95%) LAN
3 3 (0.95%) WAN
3 3 (0.95%) WLAN
4 2 (0.63%) DNS
4 2 (0.63%) Unified Communications
5 1 (0.32%) BGP
5 1 (0.32%) DHCP
5 1 (0.32%) Internet
5 1 (0.32%) IPv6
5 1 (0.32%) MPLS
5 1 (0.32%) OSPF
5 1 (0.32%) VPN
5 1 (0.32%) VSAN
Database & Business Intelligence
1 28 (8.89%) NoSQL
2 7 (2.22%) BigQuery
2 7 (2.22%) Data Warehouse
2 7 (2.22%) Semantic Layer
3 6 (1.90%) GIS
4 5 (1.59%) Amazon RDS
4 5 (1.59%) Azure SQL Database
4 5 (1.59%) PostgreSQL
5 4 (1.27%) MongoDB
6 3 (0.95%) Data Lake
7 2 (0.63%) Apache Cassandra
7 2 (0.63%) Apache Iceberg
7 2 (0.63%) Big Data
7 2 (0.63%) Couchbase
7 2 (0.63%) Pinecone
7 2 (0.63%) Scylla
8 1 (0.32%) Amazon Athena
8 1 (0.32%) DynamoDB
8 1 (0.32%) Relational Database
8 1 (0.32%) Snowflake Schema
Development Applications
1 37 (11.75%) GitLab
2 25 (7.94%) Cucumber
3 11 (3.49%) Jenkins
4 9 (2.86%) Claude Code
5 7 (2.22%) Git
6 6 (1.90%) Atlassian Bamboo
6 6 (1.90%) JIRA
7 2 (0.63%) JUnit
7 2 (0.63%) Mockito
8 1 (0.32%) Artifactory
8 1 (0.32%) Newman
8 1 (0.32%) Postman
8 1 (0.32%) REST Assured
General
1 77 (24.44%) Finance
2 31 (9.84%) Social Skills
3 21 (6.67%) Banking
4 11 (3.49%) Inclusion and Diversity
4 11 (3.49%) Public Sector
4 11 (3.49%) Retail
5 10 (3.17%) Law
6 9 (2.86%) Legal
7 8 (2.54%) Aerospace
8 7 (2.22%) Financial Institution
9 4 (1.27%) Influencing Skills
10 3 (0.95%) Analytical Skills
10 3 (0.95%) Marketing
10 3 (0.95%) Retail Banking
11 2 (0.63%) Front Office
11 2 (0.63%) Organisational Skills
12 1 (0.32%) Aviation
12 1 (0.32%) Billing
12 1 (0.32%) Presentation Skills
Libraries, Frameworks & Software Standards
1 40 (12.70%) Kafka
2 39 (12.38%) Spring
3 38 (12.06%) Spring Boot
4 30 (9.52%) Terraform
5 18 (5.71%) React
6 14 (4.44%) .NET
7 9 (2.86%) Node.js
8 6 (1.90%) Next.js
8 6 (1.90%) REST
9 5 (1.59%) ADO
9 5 (1.59%) Boost C++ Libraries
9 5 (1.59%) FIX Protocol
9 5 (1.59%) pytest
9 5 (1.59%) YAML
10 4 (1.27%) .NET Framework
10 4 (1.27%) ASP.NET
10 4 (1.27%) ASP.NET Core
10 4 (1.27%) ASP.NET Web API
10 4 (1.27%) Entity Framework
10 4 (1.27%) LangChain
Miscellaneous
1 66 (20.95%) Cloud Native
2 46 (14.60%) Distributed Systems
3 35 (11.11%) Enterprise Software
4 26 (8.25%) Public Cloud
5 25 (7.94%) e-Learning
6 10 (3.17%) AI Agents
7 9 (2.86%) Data Centre
8 6 (1.90%) Algorithms
8 6 (1.90%) Fixed Income
9 5 (1.59%) Derivative
9 5 (1.59%) Equities
9 5 (1.59%) Management Information System
10 4 (1.27%) Virtual Team
11 3 (0.95%) Cyber Kill Chain
11 3 (0.95%) Insider Threat
11 3 (0.95%) Legacy Systems
11 3 (0.95%) Life Science
12 2 (0.63%) Distributed Computing
12 2 (0.63%) Mobile Banking
12 2 (0.63%) Mobile Wallet
Operating Systems
1 22 (6.98%) Linux
2 6 (1.90%) CentOS
2 6 (1.90%) Red Hat Enterprise Linux
2 6 (1.90%) Windows
3 5 (1.59%) VMS
4 3 (0.95%) Ubuntu
5 2 (0.63%) Android
5 2 (0.63%) Windows Server
Processes & Methodologies
1 121 (38.41%) Software Engineering
2 80 (25.40%) CI/CD
2 80 (25.40%) Technical Leadership
3 72 (22.86%) Infrastructure as Code
4 65 (20.63%) Mentoring
5 60 (19.05%) Agile
6 57 (18.10%) Microservices
7 54 (17.14%) AI
8 47 (14.92%) Test Automation
9 39 (12.38%) Data Engineering
10 38 (12.06%) DevOps
11 35 (11.11%) Event-Driven
12 34 (10.79%) Coaching
13 33 (10.48%) Architectural Patterns
14 28 (8.89%) BDD
14 28 (8.89%) Continuous Improvement
14 28 (8.89%) End-to-End Testing
15 27 (8.57%) Platform Engineering
16 26 (8.25%) Analytics
17 25 (7.94%) Infrastructure Management
Programming Languages
1 68 (21.59%) Java
2 48 (15.24%) SQL
3 36 (11.43%) Python
4 29 (9.21%) TypeScript
5 19 (6.03%) C#
6 17 (5.40%) JavaScript
7 5 (1.59%) C++
7 5 (1.59%) PowerShell
7 5 (1.59%) R
8 3 (0.95%) Go
8 3 (0.95%) Rust
9 2 (0.63%) Kotlin
9 2 (0.63%) Ruby
9 2 (0.63%) Scala
10 1 (0.32%) Apex Code
10 1 (0.32%) PHP
Qualifications
1 44 (13.97%) Security Cleared
2 43 (13.65%) SC Cleared
3 25 (7.94%) AWS Certification
3 25 (7.94%) AWS Certified Solutions Architect
4 15 (4.76%) Degree
5 14 (4.44%) DV Cleared
6 4 (1.27%) Chartered Engineer
6 4 (1.27%) HND
7 3 (0.95%) BPSS Clearance
7 3 (0.95%) Computer Science Degree
7 3 (0.95%) PhD
8 2 (0.63%) CEH
8 2 (0.63%) CISSP
8 2 (0.63%) CompTIA Security+
8 2 (0.63%) DBS Check
8 2 (0.63%) GIAC
8 2 (0.63%) Microsoft Certified Professional
9 1 (0.32%) Cisco Certification
9 1 (0.32%) HNC
9 1 (0.32%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.17%) QA
2 9 (2.86%) Data Quality
3 5 (1.59%) GDPR
4 3 (0.95%) NIST
5 2 (0.63%) ISO/IEC 27001
5 2 (0.63%) NCSC
5 2 (0.63%) PCI DSS
5 2 (0.63%) PSD2
6 1 (0.32%) Accessibility
6 1 (0.32%) Def Stans
6 1 (0.32%) HAZOP
6 1 (0.32%) IEC 61508
6 1 (0.32%) RMADS
System Software
1 17 (5.40%) Docker
2 10 (3.17%) Active Directory
3 2 (0.63%) VMware Infrastructure
4 1 (0.32%) Firmware
4 1 (0.32%) Virtual Machines
4 1 (0.32%) VMware ESXi
4 1 (0.32%) VMware NSX
4 1 (0.32%) vSphere
Systems Management
1 31 (9.84%) Kubernetes
2 11 (3.49%) Ansible
3 4 (1.27%) Single Sign-On
4 3 (0.95%) Microsoft Intune
4 3 (0.95%) SCCM
5 2 (0.63%) Argo
5 2 (0.63%) Grafana
5 2 (0.63%) Prometheus
6 1 (0.32%) SCOM
Vendors
1 26 (8.25%) Microsoft
2 16 (5.08%) Palantir
3 10 (3.17%) VMware
4 8 (2.54%) Google
5 7 (2.22%) Salesforce
6 6 (1.90%) Databricks
6 6 (1.90%) MuleSoft
7 4 (1.27%) Red Hat
8 3 (0.95%) OpenAI
9 2 (0.63%) Darktrace
9 2 (0.63%) Zscaler
10 1 (0.32%) Cisco
10 1 (0.32%) Foundry
10 1 (0.32%) Sitecore