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 10 October 2026.

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

6 months to
10 Oct 2026
Same period 2025 Same period 2024
Rank 175 307 263
Rank change year-on-year +132 -44 +63
Permanent jobs requiring a Principal Engineer 318 84 205
As % of all permanent jobs in London 1.23% 0.71% 1.11%
As % of the Job Titles category 1.33% 0.78% 1.17%
Number of salaries quoted 215 63 146
10th Percentile £80,500 £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 £117,188
90th Percentile £110,000 £137,500 £147,500
England median annual salary £90,000 £80,000 £75,000
% change year-on-year +12.50% +6.67% -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 23,956 10,704 17,549
% of permanent jobs with a recognized job title 92.51% 91.04% 95.32%
Number of salaries quoted 15,991 6,970 10,799
10th Percentile £40,000 £36,250 £40,000
25th Percentile £55,000 £51,250 £52,607
Median annual salary (50th Percentile) £75,000 £72,500 £73,596
Median % change year-on-year +3.45% -1.49% -1.87%
75th Percentile £100,000 £95,000 £95,000
90th Percentile - £120,000 £119,071
England median annual salary £59,000 £55,000 £55,281
% change year-on-year +7.27% -0.51% -7.87%

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 10 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 10 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 +25 31 £90,000 -20.00% 34
West London - 15 £95,000 - 4
South London +4 12 £95,000 +22.58% 5
Principal Engineer
England

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

For the 6 months to 10 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.

1 131 (41.19%) Software Engineering
2 80 (25.16%) AWS
3 79 (24.84%) CI/CD
3 79 (24.84%) Technical Leadership
4 69 (21.70%) Infrastructure as Code
5 67 (21.07%) Java
6 64 (20.13%) Mentoring
7 59 (18.55%) Agile
8 54 (16.98%) Microservices
9 51 (16.04%) AI
9 51 (16.04%) Azure
10 49 (15.41%) Test Automation
11 48 (15.09%) SQL
12 41 (12.89%) Security Cleared
13 40 (12.58%) Kafka
13 40 (12.58%) SC Cleared
13 40 (12.58%) Spring
14 39 (12.26%) Data Engineering
15 38 (11.95%) DevOps
15 38 (11.95%) Spring Boot
16 35 (11.01%) Event-Driven
16 35 (11.01%) GitLab
17 34 (10.69%) Coaching
18 33 (10.38%) Architectural Patterns
18 33 (10.38%) Python
19 30 (9.43%) Platform Engineering
20 29 (9.12%) Kubernetes
21 28 (8.81%) BDD
21 28 (8.81%) End-to-End Testing
21 28 (8.81%) GCP

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 (2.20%) Camunda
2 3 (0.94%) Apache Airflow
3 1 (0.31%) Apache Spark
3 1 (0.31%) CMS
3 1 (0.31%) Confluence
3 1 (0.31%) Drupal
3 1 (0.31%) Sitecore CMS
3 1 (0.31%) Umbraco
Business Applications
1 2 (0.63%) Misys Midas
Cloud Services
1 80 (25.16%) AWS
2 51 (16.04%) Azure
3 28 (8.81%) GCP
4 26 (8.18%) AWS CloudFormation
5 14 (4.40%) GitHub
6 9 (2.83%) Azure DevOps
7 8 (2.52%) Amazon S3
7 8 (2.52%) Serverless
8 7 (2.20%) Anthropic Claude
8 7 (2.20%) dbt
8 7 (2.20%) SaaS
9 6 (1.89%) AWS Lambda
9 6 (1.89%) Entra ID
9 6 (1.89%) GitHub Copilot
9 6 (1.89%) Snowflake
10 5 (1.57%) Azure Cosmos DB
10 5 (1.57%) Azure Key Vault
10 5 (1.57%) Azure Logic Apps
10 5 (1.57%) Azure Sentinel
10 5 (1.57%) Azure Service Bus
Communications & Networking
1 6 (1.89%) Multicast
2 4 (1.26%) Broadband
3 2 (0.63%) DNS
3 2 (0.63%) Firewall
3 2 (0.63%) Unified Communications
4 1 (0.31%) BGP
4 1 (0.31%) DHCP
4 1 (0.31%) Internet
4 1 (0.31%) IPv6
4 1 (0.31%) LAN
4 1 (0.31%) MPLS
4 1 (0.31%) OSPF
4 1 (0.31%) VPN
4 1 (0.31%) VSAN
4 1 (0.31%) WAN
4 1 (0.31%) WLAN
Database & Business Intelligence
1 28 (8.81%) NoSQL
2 9 (2.83%) Data Warehouse
3 7 (2.20%) BigQuery
3 7 (2.20%) Semantic Layer
4 6 (1.89%) GIS
5 5 (1.57%) Amazon RDS
5 5 (1.57%) Azure SQL Database
6 4 (1.26%) MongoDB
6 4 (1.26%) PostgreSQL
7 3 (0.94%) Data Lake
8 2 (0.63%) Apache Cassandra
8 2 (0.63%) Couchbase
8 2 (0.63%) Pinecone
8 2 (0.63%) Scylla
9 1 (0.31%) Big Data
9 1 (0.31%) Delta Lake
9 1 (0.31%) Metadata
9 1 (0.31%) Relational Database
9 1 (0.31%) Snowflake Schema
9 1 (0.31%) ThoughtSpot
Development Applications
1 35 (11.01%) GitLab
2 25 (7.86%) Cucumber
3 11 (3.46%) Jenkins
4 6 (1.89%) Atlassian Bamboo
4 6 (1.89%) Claude Code
4 6 (1.89%) Git
4 6 (1.89%) JIRA
5 2 (0.63%) JUnit
5 2 (0.63%) Mockito
6 1 (0.31%) Artifactory
6 1 (0.31%) Newman
6 1 (0.31%) Postman
6 1 (0.31%) REST Assured
General
1 76 (23.90%) Finance
2 32 (10.06%) Social Skills
3 21 (6.60%) Banking
4 12 (3.77%) Aerospace
5 11 (3.46%) Inclusion and Diversity
5 11 (3.46%) Public Sector
6 9 (2.83%) Financial Institution
6 9 (2.83%) Legal
7 7 (2.20%) Law
7 7 (2.20%) Retail
8 4 (1.26%) Influencing Skills
8 4 (1.26%) Marketing
8 4 (1.26%) Retail Banking
9 3 (0.94%) Analytical Skills
10 2 (0.63%) Aviation
10 2 (0.63%) Front Office
10 2 (0.63%) Organisational Skills
11 1 (0.31%) Presentation Skills
Libraries, Frameworks & Software Standards
1 40 (12.58%) Kafka
1 40 (12.58%) Spring
2 38 (11.95%) Spring Boot
3 28 (8.81%) Terraform
4 16 (5.03%) React
5 14 (4.40%) .NET
6 9 (2.83%) Node.js
7 6 (1.89%) Next.js
7 6 (1.89%) REST
8 5 (1.57%) ADO
8 5 (1.57%) Boost C++ Libraries
8 5 (1.57%) FIX Protocol
8 5 (1.57%) pytest
8 5 (1.57%) YAML
9 4 (1.26%) .NET Framework
9 4 (1.26%) ASP.NET
9 4 (1.26%) ASP.NET Core
9 4 (1.26%) ASP.NET Web API
9 4 (1.26%) Entity Framework
9 4 (1.26%) LangChain
Miscellaneous
1 65 (20.44%) Cloud Native
2 47 (14.78%) Distributed Systems
3 34 (10.69%) Enterprise Software
4 25 (7.86%) e-Learning
4 25 (7.86%) Public Cloud
5 12 (3.77%) AI Agents
6 6 (1.89%) Fixed Income
7 5 (1.57%) Algorithms
7 5 (1.57%) Data Centre
7 5 (1.57%) Derivative
7 5 (1.57%) Equities
7 5 (1.57%) Management Information System
8 4 (1.26%) Virtual Team
9 3 (0.94%) Cyber Kill Chain
9 3 (0.94%) Insider Threat
9 3 (0.94%) Legacy Systems
9 3 (0.94%) Life Science
10 2 (0.63%) Distributed Computing
10 2 (0.63%) Mobile Wallet
10 2 (0.63%) Security Operations Centre
Operating Systems
1 18 (5.66%) Linux
2 6 (1.89%) CentOS
2 6 (1.89%) Red Hat Enterprise Linux
2 6 (1.89%) Windows
3 5 (1.57%) VMS
4 2 (0.63%) Windows Server
5 1 (0.31%) Ubuntu
Processes & Methodologies
1 131 (41.19%) Software Engineering
2 79 (24.84%) CI/CD
2 79 (24.84%) Technical Leadership
3 69 (21.70%) Infrastructure as Code
4 64 (20.13%) Mentoring
5 59 (18.55%) Agile
6 54 (16.98%) Microservices
7 51 (16.04%) AI
8 49 (15.41%) Test Automation
9 39 (12.26%) Data Engineering
10 38 (11.95%) DevOps
11 35 (11.01%) Event-Driven
12 34 (10.69%) Coaching
13 33 (10.38%) Architectural Patterns
14 30 (9.43%) Platform Engineering
15 28 (8.81%) BDD
15 28 (8.81%) End-to-End Testing
16 25 (7.86%) CQRS
16 25 (7.86%) Infrastructure Management
16 25 (7.86%) Performance Testing
Programming Languages
1 67 (21.07%) Java
2 48 (15.09%) SQL
3 33 (10.38%) Python
4 27 (8.49%) TypeScript
5 19 (5.97%) C#
6 17 (5.35%) JavaScript
7 5 (1.57%) C++
7 5 (1.57%) PowerShell
7 5 (1.57%) R
8 3 (0.94%) Go
8 3 (0.94%) Rust
9 2 (0.63%) Ruby
9 2 (0.63%) Scala
10 1 (0.31%) Apex Code
10 1 (0.31%) PHP
Qualifications
1 41 (12.89%) Security Cleared
2 40 (12.58%) SC Cleared
3 25 (7.86%) AWS Certification
3 25 (7.86%) AWS Certified Solutions Architect
4 13 (4.09%) DV Cleared
5 12 (3.77%) Degree
6 5 (1.57%) Chartered Engineer
7 4 (1.26%) HND
8 3 (0.94%) BPSS Clearance
8 3 (0.94%) Computer Science Degree
9 2 (0.63%) CEH
9 2 (0.63%) CISSP
9 2 (0.63%) CompTIA Security+
9 2 (0.63%) DBS Check
9 2 (0.63%) GIAC
9 2 (0.63%) Microsoft Certified Professional
10 1 (0.31%) CCIE
10 1 (0.31%) Cisco Certification
10 1 (0.31%) HNC
10 1 (0.31%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.14%) Data Quality
1 10 (3.14%) QA
2 5 (1.57%) GDPR
3 3 (0.94%) NIST
4 2 (0.63%) ISO/IEC 27001
4 2 (0.63%) NCSC
4 2 (0.63%) PCI DSS
4 2 (0.63%) PSD2
5 1 (0.31%) Accessibility
5 1 (0.31%) Def Stans
5 1 (0.31%) HAZOP
5 1 (0.31%) IEC 61508
5 1 (0.31%) RMADS
System Software
1 17 (5.35%) Docker
2 8 (2.52%) Active Directory
3 2 (0.63%) Firmware
3 2 (0.63%) VMware Infrastructure
4 1 (0.31%) Virtual Machines
4 1 (0.31%) VMware ESXi
4 1 (0.31%) VMware NSX
4 1 (0.31%) vSphere
Systems Management
1 29 (9.12%) Kubernetes
2 8 (2.52%) Ansible
3 3 (0.94%) Microsoft Intune
3 3 (0.94%) SCCM
4 2 (0.63%) Argo
4 2 (0.63%) Grafana
4 2 (0.63%) Prometheus
4 2 (0.63%) Single Sign-On
5 1 (0.31%) SCOM
Vendors
1 23 (7.23%) Microsoft
2 16 (5.03%) Palantir
3 8 (2.52%) Google
4 7 (2.20%) Salesforce
5 6 (1.89%) Databricks
5 6 (1.89%) MuleSoft
5 6 (1.89%) VMware
6 3 (0.94%) OpenAI
7 2 (0.63%) Darktrace
7 2 (0.63%) Red Hat
8 1 (0.31%) Cisco
8 1 (0.31%) Foundry
8 1 (0.31%) Sitecore