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 25 September 2026.

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

6 months to
25 Sep 2026
Same period 2025 Same period 2024
Rank 186 303 277
Rank change year-on-year +117 -26 +44
Permanent jobs requiring a Principal Engineer 307 92 197
As % of all permanent jobs in London 1.20% 0.77% 1.03%
As % of the Job Titles category 1.29% 0.85% 1.08%
Number of salaries quoted 219 67 139
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% -9.09%
75th Percentile - £120,000 £116,250
90th Percentile £120,000 £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 23,727 10,820 18,251
% of permanent jobs with a recognized job title 92.57% 91.13% 95.36%
Number of salaries quoted 16,172 7,042 11,373
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 25 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 25 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 +29 38 £90,000 -20.00% 35
West London - 15 £95,000 - 8
South London +8 12 £95,000 +22.58% 3
Principal Engineer
England

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

For the 6 months to 25 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.

1 116 (37.79%) Software Engineering
2 80 (26.06%) AWS
3 78 (25.41%) CI/CD
4 77 (25.08%) Technical Leadership
5 71 (23.13%) Infrastructure as Code
6 65 (21.17%) Java
7 63 (20.52%) Mentoring
8 59 (19.22%) Agile
9 56 (18.24%) Azure
10 55 (17.92%) Microservices
11 53 (17.26%) AI
12 47 (15.31%) SQL
13 44 (14.33%) Test Automation
14 43 (14.01%) Security Cleared
15 42 (13.68%) SC Cleared
16 39 (12.70%) Data Engineering
16 39 (12.70%) Kafka
17 37 (12.05%) DevOps
17 37 (12.05%) Spring
17 37 (12.05%) Spring Boot
18 36 (11.73%) GitLab
18 36 (11.73%) Python
19 34 (11.07%) Event-Driven
20 33 (10.75%) Coaching
21 32 (10.42%) Architectural Patterns
22 30 (9.77%) Kubernetes
22 30 (9.77%) Terraform
23 29 (9.45%) TypeScript
24 27 (8.79%) Continuous Improvement
24 27 (8.79%) 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 6 (1.95%) Camunda
2 3 (0.98%) Apache Airflow
3 1 (0.33%) Apache Spark
3 1 (0.33%) CMS
3 1 (0.33%) Confluence
3 1 (0.33%) Drupal
3 1 (0.33%) Sitecore CMS
3 1 (0.33%) Umbraco
Applications
1 2 (0.65%) Microsoft PowerPoint
Business Applications
1 1 (0.33%) Misys Midas
Cloud Services
1 80 (26.06%) AWS
2 56 (18.24%) Azure
3 27 (8.79%) GCP
4 25 (8.14%) AWS CloudFormation
5 15 (4.89%) GitHub
6 10 (3.26%) Anthropic Claude
7 9 (2.93%) Azure DevOps
8 8 (2.61%) Entra ID
8 8 (2.61%) GitHub Copilot
9 7 (2.28%) SaaS
9 7 (2.28%) Serverless
10 6 (1.95%) Amazon S3
10 6 (1.95%) dbt
11 5 (1.63%) Azure Cosmos DB
11 5 (1.63%) Azure Key Vault
11 5 (1.63%) Azure Logic Apps
11 5 (1.63%) Azure Monitor
11 5 (1.63%) Azure Sentinel
11 5 (1.63%) Azure Service Bus
11 5 (1.63%) Snowflake
Communications & Networking
1 6 (1.95%) Multicast
2 5 (1.63%) Firewall
3 4 (1.30%) Broadband
3 4 (1.30%) WAN
4 3 (0.98%) LAN
4 3 (0.98%) WLAN
5 2 (0.65%) DNS
5 2 (0.65%) Unified Communications
6 1 (0.33%) BGP
6 1 (0.33%) DHCP
6 1 (0.33%) Internet
6 1 (0.33%) IPv6
6 1 (0.33%) MPLS
6 1 (0.33%) OSPF
6 1 (0.33%) SD-WAN
6 1 (0.33%) VPN
6 1 (0.33%) VSAN
Database & Business Intelligence
1 27 (8.79%) NoSQL
2 7 (2.28%) BigQuery
2 7 (2.28%) Data Warehouse
2 7 (2.28%) Semantic Layer
3 6 (1.95%) GIS
4 5 (1.63%) Azure SQL Database
4 5 (1.63%) PostgreSQL
5 4 (1.30%) Amazon RDS
5 4 (1.30%) MongoDB
6 3 (0.98%) Data Lake
7 2 (0.65%) Apache Cassandra
7 2 (0.65%) Apache Iceberg
7 2 (0.65%) Big Data
7 2 (0.65%) Couchbase
7 2 (0.65%) Pinecone
7 2 (0.65%) Scylla
8 1 (0.33%) Amazon Athena
8 1 (0.33%) Apache Hudi
8 1 (0.33%) Delta Lake
8 1 (0.33%) Trino
Development Applications
1 36 (11.73%) GitLab
2 24 (7.82%) Cucumber
3 11 (3.58%) Jenkins
4 8 (2.61%) Claude Code
5 7 (2.28%) Git
6 6 (1.95%) Atlassian Bamboo
6 6 (1.95%) JIRA
7 1 (0.33%) Artifactory
7 1 (0.33%) JUnit
7 1 (0.33%) Mockito
7 1 (0.33%) Newman
7 1 (0.33%) Postman
7 1 (0.33%) REST Assured
General
1 76 (24.76%) Finance
2 30 (9.77%) Social Skills
3 21 (6.84%) Banking
4 11 (3.58%) Inclusion and Diversity
4 11 (3.58%) Public Sector
4 11 (3.58%) Retail
5 9 (2.93%) Law
6 8 (2.61%) Aerospace
6 8 (2.61%) Legal
7 7 (2.28%) Financial Institution
8 4 (1.30%) Influencing Skills
9 3 (0.98%) Analytical Skills
9 3 (0.98%) Marketing
9 3 (0.98%) Retail Banking
10 2 (0.65%) Front Office
10 2 (0.65%) Organisational Skills
11 1 (0.33%) Aviation
11 1 (0.33%) Billing
11 1 (0.33%) Presentation Skills
Libraries, Frameworks & Software Standards
1 39 (12.70%) Kafka
2 37 (12.05%) Spring
2 37 (12.05%) Spring Boot
3 30 (9.77%) Terraform
4 18 (5.86%) React
5 14 (4.56%) .NET
6 9 (2.93%) Node.js
7 6 (1.95%) REST
8 5 (1.63%) ADO
8 5 (1.63%) Boost C++ Libraries
8 5 (1.63%) FIX Protocol
8 5 (1.63%) Next.js
8 5 (1.63%) pytest
8 5 (1.63%) YAML
9 4 (1.30%) .NET Framework
9 4 (1.30%) ASP.NET
9 4 (1.30%) ASP.NET Core
9 4 (1.30%) ASP.NET Web API
9 4 (1.30%) CrewAI
9 4 (1.30%) Entity Framework
Miscellaneous
1 65 (21.17%) Cloud Native
2 45 (14.66%) Distributed Systems
3 34 (11.07%) Enterprise Software
4 26 (8.47%) Public Cloud
5 24 (7.82%) e-Learning
6 10 (3.26%) AI Agents
6 10 (3.26%) Data Centre
7 6 (1.95%) Algorithms
7 6 (1.95%) Fixed Income
8 5 (1.63%) Derivative
8 5 (1.63%) Equities
8 5 (1.63%) Management Information System
9 4 (1.30%) Virtual Team
10 3 (0.98%) Cyber Kill Chain
10 3 (0.98%) Insider Threat
10 3 (0.98%) Life Science
11 2 (0.65%) Distributed Computing
11 2 (0.65%) Legacy Systems
11 2 (0.65%) Mobile Banking
11 2 (0.65%) Mobile Wallet
Operating Systems
1 22 (7.17%) Linux
2 6 (1.95%) CentOS
2 6 (1.95%) Red Hat Enterprise Linux
2 6 (1.95%) Windows
3 5 (1.63%) VMS
4 3 (0.98%) Ubuntu
5 2 (0.65%) Android
5 2 (0.65%) Windows Server
Processes & Methodologies
1 116 (37.79%) Software Engineering
2 78 (25.41%) CI/CD
3 77 (25.08%) Technical Leadership
4 71 (23.13%) Infrastructure as Code
5 63 (20.52%) Mentoring
6 59 (19.22%) Agile
7 55 (17.92%) Microservices
8 53 (17.26%) AI
9 44 (14.33%) Test Automation
10 39 (12.70%) Data Engineering
11 37 (12.05%) DevOps
12 34 (11.07%) Event-Driven
13 33 (10.75%) Coaching
14 32 (10.42%) Architectural Patterns
15 27 (8.79%) Continuous Improvement
15 27 (8.79%) End-to-End Testing
15 27 (8.79%) Platform Engineering
16 26 (8.47%) Analytics
16 26 (8.47%) BDD
17 24 (7.82%) Infrastructure Management
Programming Languages
1 65 (21.17%) Java
2 47 (15.31%) SQL
3 36 (11.73%) Python
4 29 (9.45%) TypeScript
5 18 (5.86%) C#
6 17 (5.54%) JavaScript
7 5 (1.63%) C++
7 5 (1.63%) PowerShell
8 4 (1.30%) R
9 3 (0.98%) Go
9 3 (0.98%) Rust
10 2 (0.65%) Kotlin
10 2 (0.65%) Ruby
10 2 (0.65%) Scala
11 1 (0.33%) Apex Code
11 1 (0.33%) PHP
Qualifications
1 43 (14.01%) Security Cleared
2 42 (13.68%) SC Cleared
3 24 (7.82%) AWS Certification
3 24 (7.82%) AWS Certified Solutions Architect
4 14 (4.56%) Degree
4 14 (4.56%) DV Cleared
5 4 (1.30%) Chartered Engineer
5 4 (1.30%) HND
6 3 (0.98%) BPSS Clearance
6 3 (0.98%) PhD
7 2 (0.65%) CEH
7 2 (0.65%) CISSP
7 2 (0.65%) CompTIA Security+
7 2 (0.65%) Computer Science Degree
7 2 (0.65%) DBS Check
7 2 (0.65%) GIAC
7 2 (0.65%) Microsoft Certified Professional
8 1 (0.33%) Cisco Certification
8 1 (0.33%) HNC
8 1 (0.33%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.26%) QA
2 9 (2.93%) Data Quality
3 5 (1.63%) GDPR
4 3 (0.98%) NCSC
4 3 (0.98%) NIST
5 2 (0.65%) ISO/IEC 27001
5 2 (0.65%) PCI DSS
5 2 (0.65%) PSD2
6 1 (0.33%) Accessibility
6 1 (0.33%) Def Stans
6 1 (0.33%) HAZOP
6 1 (0.33%) IEC 61508
6 1 (0.33%) RMADS
System Software
1 16 (5.21%) Docker
2 10 (3.26%) Active Directory
3 2 (0.65%) VMware Infrastructure
4 1 (0.33%) Firmware
4 1 (0.33%) Virtual Machines
4 1 (0.33%) VMware ESXi
4 1 (0.33%) VMware NSX
4 1 (0.33%) vSphere
Systems Management
1 30 (9.77%) Kubernetes
2 12 (3.91%) Ansible
3 4 (1.30%) Single Sign-On
4 3 (0.98%) Microsoft Intune
4 3 (0.98%) SCCM
5 2 (0.65%) Argo
5 2 (0.65%) Grafana
5 2 (0.65%) Prometheus
6 1 (0.33%) SCOM
Vendors
1 26 (8.47%) Microsoft
2 16 (5.21%) Palantir
3 10 (3.26%) VMware
4 8 (2.61%) Google
5 7 (2.28%) Salesforce
6 6 (1.95%) Databricks
6 6 (1.95%) MuleSoft
7 4 (1.30%) Red Hat
8 3 (0.98%) OpenAI
9 2 (0.65%) Cisco
9 2 (0.65%) Darktrace
9 2 (0.65%) Zscaler
10 1 (0.33%) Fortinet
10 1 (0.33%) Foundry
10 1 (0.33%) Juniper
10 1 (0.33%) Palo Alto
10 1 (0.33%) Sitecore