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 2 October 2026.

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

6 months to
2 Oct 2026
Same period 2025 Same period 2024
Rank 185 300 276
Rank change year-on-year +115 -24 +50
Permanent jobs requiring a Principal Engineer 315 90 197
As % of all permanent jobs in London 1.22% 0.76% 1.04%
As % of the Job Titles category 1.31% 0.84% 1.09%
Number of salaries quoted 220 66 138
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% -6.98%
75th Percentile - £120,000 £116,250
90th Percentile £112,750 £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 23,961 10,768 17,999
% of permanent jobs with a recognized job title 92.45% 91.05% 95.33%
Number of salaries quoted 16,187 6,965 11,093
10th Percentile £40,000 £37,127 £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 £119,814
England median annual salary £59,500 £55,000 £55,000
% change year-on-year +8.18% - -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 2 October 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 2 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
Central London +22 35 £90,000 -20.00% 26
West London - 15 £95,000 - 9
South London +4 12 £95,000 +22.58% 1
Principal Engineer
England

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

For the 6 months to 2 October 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%) Technical Leadership
3 80 (25.40%) AWS
4 79 (25.08%) CI/CD
5 72 (22.86%) Infrastructure as Code
6 65 (20.63%) Java
6 65 (20.63%) Mentoring
7 60 (19.05%) Agile
8 56 (17.78%) Azure
8 56 (17.78%) Microservices
9 53 (16.83%) AI
10 48 (15.24%) SQL
11 47 (14.92%) Test Automation
12 44 (13.97%) Security Cleared
13 43 (13.65%) SC Cleared
14 40 (12.70%) Kafka
15 39 (12.38%) Data Engineering
15 39 (12.38%) Spring
16 38 (12.06%) DevOps
17 37 (11.75%) GitLab
17 37 (11.75%) Spring Boot
18 35 (11.11%) Event-Driven
18 35 (11.11%) Python
19 34 (10.79%) Coaching
20 33 (10.48%) Architectural Patterns
21 31 (9.84%) Kubernetes
22 30 (9.52%) Terraform
23 29 (9.21%) TypeScript
24 28 (8.89%) BDD
24 28 (8.89%) End-to-End Testing

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 80 (25.40%) AWS
2 56 (17.78%) Azure
3 28 (8.89%) GCP
4 26 (8.25%) AWS CloudFormation
5 15 (4.76%) GitHub
6 9 (2.86%) Anthropic Claude
6 9 (2.86%) Azure DevOps
7 8 (2.54%) Entra ID
7 8 (2.54%) GitHub Copilot
7 8 (2.54%) Serverless
8 7 (2.22%) Amazon S3
8 7 (2.22%) SaaS
9 6 (1.90%) AWS Lambda
9 6 (1.90%) dbt
10 5 (1.59%) Azure Cosmos DB
10 5 (1.59%) Azure Key Vault
10 5 (1.59%) Azure Logic Apps
10 5 (1.59%) Azure Sentinel
10 5 (1.59%) Azure Service Bus
10 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 8 (2.54%) Data Warehouse
3 7 (2.22%) BigQuery
3 7 (2.22%) Semantic Layer
4 6 (1.90%) GIS
5 5 (1.59%) Amazon RDS
5 5 (1.59%) Azure SQL Database
5 5 (1.59%) PostgreSQL
6 4 (1.27%) MongoDB
7 3 (0.95%) Data Lake
8 2 (0.63%) Apache Cassandra
8 2 (0.63%) Apache Iceberg
8 2 (0.63%) Big Data
8 2 (0.63%) Couchbase
8 2 (0.63%) Pinecone
8 2 (0.63%) Scylla
9 1 (0.32%) Apache Hudi
9 1 (0.32%) DynamoDB
9 1 (0.32%) Snowflake Schema
9 1 (0.32%) Trino
Development Applications
1 37 (11.75%) GitLab
2 25 (7.94%) Cucumber
3 11 (3.49%) Jenkins
4 8 (2.54%) 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 9 (2.86%) Law
5 9 (2.86%) Legal
6 8 (2.54%) Aerospace
6 8 (2.54%) Financial Institution
7 4 (1.27%) Influencing Skills
8 3 (0.95%) Analytical Skills
8 3 (0.95%) Marketing
8 3 (0.95%) Retail Banking
9 2 (0.63%) Front Office
9 2 (0.63%) Organisational Skills
10 1 (0.32%) Aviation
10 1 (0.32%) Billing
10 1 (0.32%) Presentation Skills
Libraries, Frameworks & Software Standards
1 40 (12.70%) Kafka
2 39 (12.38%) Spring
3 37 (11.75%) 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%) CrewAI
10 4 (1.27%) Entity Framework
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 Wallet
12 2 (0.63%) Security Operations Centre
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%) Windows Server
6 1 (0.32%) Android
Processes & Methodologies
1 121 (38.41%) Software Engineering
2 81 (25.71%) Technical Leadership
3 79 (25.08%) CI/CD
4 72 (22.86%) Infrastructure as Code
5 65 (20.63%) Mentoring
6 60 (19.05%) Agile
7 56 (17.78%) Microservices
8 53 (16.83%) AI
9 47 (14.92%) Test Automation
10 39 (12.38%) Data Engineering
11 38 (12.06%) DevOps
12 35 (11.11%) Event-Driven
13 34 (10.79%) Coaching
14 33 (10.48%) Architectural Patterns
15 28 (8.89%) BDD
15 28 (8.89%) End-to-End Testing
15 28 (8.89%) Platform Engineering
16 27 (8.57%) Continuous Improvement
17 25 (7.94%) CQRS
17 25 (7.94%) Infrastructure Management
Programming Languages
1 65 (20.63%) Java
2 48 (15.24%) SQL
3 35 (11.11%) 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%) Ruby
9 2 (0.63%) Scala
10 1 (0.32%) Apex Code
10 1 (0.32%) Kotlin
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 14 (4.44%) Degree
5 13 (4.13%) 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
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
8 2 (0.63%) PhD
9 1 (0.32%) CCIE
9 1 (0.32%) Cisco Certification
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%) Firmware
3 2 (0.63%) VMware Infrastructure
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