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 21 August 2026.

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

6 months to
21 Aug 2026
Same period 2025 Same period 2024
Rank 201 318 275
Rank change year-on-year +117 -43 +68
Permanent jobs requiring a Principal Engineer 261 67 202
As % of all permanent jobs in London 1.09% 0.55% 1.04%
As % of the Job Titles category 1.17% 0.60% 1.09%
Number of salaries quoted 192 46 144
10th Percentile £81,250 £80,000 £70,000
25th Percentile £90,000 £95,250 £75,000
Median annual salary (50th Percentile) £100,000 £110,000 £96,750
Median % change year-on-year -9.09% +13.70% -12.05%
75th Percentile - £119,688 £116,250
90th Percentile £128,750 £127,500 £147,500
England median annual salary £90,000 £75,000 £75,000
% change year-on-year +20.00% - -16.67%

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 22,236 11,095 18,572
% of permanent jobs with a recognized job title 92.90% 91.68% 95.19%
Number of salaries quoted 15,219 7,183 12,627
10th Percentile £40,000 £38,500 £40,000
25th Percentile £55,000 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £71,000
Median % change year-on-year +3.45% +2.11% -2.07%
75th Percentile £95,000 £96,250 £95,000
90th Percentile £100,000 £120,000 £118,750
England median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - -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 21 August 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 21 August 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 +40 46 £90,000 -20.00% 7
South London +10 11 £95,000 +18.75%
West London - 8 £90,000 - 7
Principal Engineer
England

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

For the 6 months to 21 August 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 97 (37.16%) Software Engineering
2 72 (27.59%) Technical Leadership
3 71 (27.20%) AWS
3 71 (27.20%) CI/CD
4 63 (24.14%) Infrastructure as Code
5 60 (22.99%) Mentoring
6 57 (21.84%) Java
7 53 (20.31%) AI
7 53 (20.31%) Microservices
8 52 (19.92%) Agile
8 52 (19.92%) Azure
9 42 (16.09%) SQL
10 40 (15.33%) Data Engineering
10 40 (15.33%) Python
11 36 (13.79%) Security Cleared
11 36 (13.79%) Test Automation
12 35 (13.41%) DevOps
12 35 (13.41%) SC Cleared
13 33 (12.64%) Kafka
14 31 (11.88%) Analytics
15 29 (11.11%) Continuous Improvement
15 29 (11.11%) GitLab
16 28 (10.73%) Kubernetes
16 28 (10.73%) Spring
17 27 (10.34%) Coaching
17 27 (10.34%) Event-Driven
17 27 (10.34%) GCP
17 27 (10.34%) Spring Boot
17 27 (10.34%) Terraform
18 26 (9.96%) TypeScript

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 (2.30%) Camunda
2 4 (1.53%) Apache Airflow
3 2 (0.77%) Apache Spark
4 1 (0.38%) CMS
4 1 (0.38%) Confluence
4 1 (0.38%) Sitecore CMS
Applications
1 2 (0.77%) Microsoft PowerPoint
Cloud Services
1 71 (27.20%) AWS
2 52 (19.92%) Azure
3 27 (10.34%) GCP
4 20 (7.66%) AWS CloudFormation
5 14 (5.36%) GitHub
6 9 (3.45%) Anthropic Claude
6 9 (3.45%) GitHub Copilot
7 8 (3.07%) Azure DevOps
7 8 (3.07%) Entra ID
8 7 (2.68%) dbt
9 6 (2.30%) SaaS
9 6 (2.30%) Serverless
10 5 (1.92%) Amazon S3
10 5 (1.92%) Azure Cosmos DB
10 5 (1.92%) Azure Key Vault
10 5 (1.92%) Azure Logic Apps
10 5 (1.92%) Azure Monitor
10 5 (1.92%) Azure Sentinel
10 5 (1.92%) Azure Service Bus
10 5 (1.92%) Snowflake
Communications & Networking
1 7 (2.68%) Multicast
2 5 (1.92%) Firewall
3 4 (1.53%) Broadband
3 4 (1.53%) WAN
4 3 (1.15%) LAN
4 3 (1.15%) WLAN
5 2 (0.77%) DNS
5 2 (0.77%) Unified Communications
6 1 (0.38%) BGP
6 1 (0.38%) DHCP
6 1 (0.38%) Internet
6 1 (0.38%) IPv6
6 1 (0.38%) MPLS
6 1 (0.38%) OSPF
6 1 (0.38%) SD-WAN
6 1 (0.38%) VPN
6 1 (0.38%) VSAN
Database & Business Intelligence
1 21 (8.05%) NoSQL
2 9 (3.45%) BigQuery
3 8 (3.07%) Semantic Layer
4 6 (2.30%) GIS
5 5 (1.92%) Azure SQL Database
5 5 (1.92%) MongoDB
5 5 (1.92%) PostgreSQL
6 4 (1.53%) Data Lake
7 3 (1.15%) Amazon RDS
7 3 (1.15%) Big Data
8 2 (0.77%) Apache Cassandra
8 2 (0.77%) Apache Iceberg
8 2 (0.77%) Data Warehouse
8 2 (0.77%) DynamoDB
8 2 (0.77%) Pinecone
9 1 (0.38%) Amazon Athena
9 1 (0.38%) Apache Hudi
9 1 (0.38%) Delta Lake
9 1 (0.38%) Scylla
9 1 (0.38%) Trino
Development Applications
1 29 (11.11%) GitLab
2 19 (7.28%) Cucumber
3 9 (3.45%) Claude Code
3 9 (3.45%) Jenkins
4 7 (2.68%) JIRA
5 6 (2.30%) Git
6 5 (1.92%) Atlassian Bamboo
7 1 (0.38%) Artifactory
7 1 (0.38%) Selenium
General
1 66 (25.29%) Finance
2 20 (7.66%) Social Skills
3 18 (6.90%) Banking
4 12 (4.60%) Law
5 11 (4.21%) Inclusion and Diversity
5 11 (4.21%) Public Sector
5 11 (4.21%) Retail
6 6 (2.30%) Legal
7 5 (1.92%) Analytical Skills
8 4 (1.53%) Aerospace
8 4 (1.53%) Influencing Skills
9 3 (1.15%) Retail Banking
10 2 (0.77%) Financial Institution
10 2 (0.77%) Front Office
10 2 (0.77%) Marketing
10 2 (0.77%) Organisational Skills
11 1 (0.38%) Billing
Libraries, Frameworks & Software Standards
1 33 (12.64%) Kafka
2 28 (10.73%) Spring
3 27 (10.34%) Spring Boot
3 27 (10.34%) Terraform
4 17 (6.51%) React
5 13 (4.98%) .NET
6 9 (3.45%) Node.js
7 6 (2.30%) Boost C++ Libraries
7 6 (2.30%) FIX Protocol
7 6 (2.30%) pytest
8 5 (1.92%) ADO
8 5 (1.92%) REST
8 5 (1.92%) YAML
9 4 (1.53%) .NET Framework
9 4 (1.53%) Android Jetpack
9 4 (1.53%) ASP.NET
9 4 (1.53%) ASP.NET Core
9 4 (1.53%) ASP.NET Web API
9 4 (1.53%) Entity Framework
9 4 (1.53%) RabbitMQ
Miscellaneous
1 58 (22.22%) Cloud Native
2 41 (15.71%) Distributed Systems
3 28 (10.73%) Enterprise Software
4 21 (8.05%) Public Cloud
5 19 (7.28%) e-Learning
6 10 (3.83%) Data Centre
7 9 (3.45%) AI Agents
8 8 (3.07%) Algorithms
9 7 (2.68%) Fixed Income
10 6 (2.30%) Derivative
10 6 (2.30%) Equities
11 5 (1.92%) Management Information System
12 4 (1.53%) Mobile Banking
12 4 (1.53%) Virtual Team
13 3 (1.15%) Cyber Kill Chain
13 3 (1.15%) Insider Threat
13 3 (1.15%) Life Science
14 2 (0.77%) Distributed Computing
14 2 (0.77%) Legacy Systems
14 2 (0.77%) Mobile Wallet
Operating Systems
1 21 (8.05%) Linux
2 6 (2.30%) Windows
3 5 (1.92%) CentOS
3 5 (1.92%) Red Hat Enterprise Linux
3 5 (1.92%) VMS
4 4 (1.53%) Android
5 3 (1.15%) Ubuntu
6 2 (0.77%) Windows Server
Processes & Methodologies
1 97 (37.16%) Software Engineering
2 72 (27.59%) Technical Leadership
3 71 (27.20%) CI/CD
4 63 (24.14%) Infrastructure as Code
5 60 (22.99%) Mentoring
6 53 (20.31%) AI
6 53 (20.31%) Microservices
7 52 (19.92%) Agile
8 40 (15.33%) Data Engineering
9 36 (13.79%) Test Automation
10 35 (13.41%) DevOps
11 31 (11.88%) Analytics
12 29 (11.11%) Continuous Improvement
13 27 (10.34%) Coaching
13 27 (10.34%) Event-Driven
14 25 (9.58%) Architectural Patterns
14 25 (9.58%) Roadmaps
14 25 (9.58%) Workflow
15 23 (8.81%) Observability
16 20 (7.66%) End-to-End Testing
Programming Languages
1 57 (21.84%) Java
2 42 (16.09%) SQL
3 40 (15.33%) Python
4 26 (9.96%) TypeScript
5 18 (6.90%) JavaScript
6 15 (5.75%) C#
7 6 (2.30%) C++
8 5 (1.92%) PowerShell
9 4 (1.53%) Go
9 4 (1.53%) Kotlin
10 3 (1.15%) Rust
11 2 (0.77%) R
11 2 (0.77%) Ruby
11 2 (0.77%) Scala
Qualifications
1 36 (13.79%) Security Cleared
2 35 (13.41%) SC Cleared
3 19 (7.28%) AWS Certification
3 19 (7.28%) AWS Certified Solutions Architect
4 18 (6.90%) Degree
5 16 (6.13%) DV Cleared
6 7 (2.68%) PhD
7 3 (1.15%) BPSS Clearance
7 3 (1.15%) Chartered Engineer
7 3 (1.15%) Computer Science Degree
7 3 (1.15%) HND
8 2 (0.77%) CEH
8 2 (0.77%) CISSP
8 2 (0.77%) CompTIA Security+
8 2 (0.77%) DBS Check
8 2 (0.77%) GIAC
8 2 (0.77%) Microsoft Certified Professional
9 1 (0.38%) CCIE
9 1 (0.38%) CCIP
9 1 (0.38%) Cisco Certification
Quality Assurance & Compliance
1 9 (3.45%) QA
2 8 (3.07%) Data Quality
3 5 (1.92%) GDPR
4 3 (1.15%) NCSC
4 3 (1.15%) NIST
5 2 (0.77%) ISO/IEC 27001
5 2 (0.77%) PCI DSS
5 2 (0.77%) PSD2
6 1 (0.38%) Accessibility
6 1 (0.38%) RMADS
System Software
1 15 (5.75%) Docker
2 10 (3.83%) Active Directory
3 2 (0.77%) VMware Infrastructure
4 1 (0.38%) Virtual Machines
4 1 (0.38%) VMware ESXi
4 1 (0.38%) VMware NSX
4 1 (0.38%) vSphere
Systems Management
1 28 (10.73%) Kubernetes
2 11 (4.21%) Ansible
3 4 (1.53%) Single Sign-On
4 3 (1.15%) Microsoft Intune
4 3 (1.15%) SCCM
5 2 (0.77%) Grafana
5 2 (0.77%) Prometheus
6 1 (0.38%) Argo
6 1 (0.38%) SCOM
Vendors
1 24 (9.20%) Microsoft
2 16 (6.13%) Palantir
3 10 (3.83%) Google
3 10 (3.83%) VMware
4 5 (1.92%) Databricks
5 4 (1.53%) Red Hat
6 3 (1.15%) OpenAI
7 2 (0.77%) Cisco
7 2 (0.77%) Darktrace
7 2 (0.77%) Zscaler
8 1 (0.38%) Fortinet
8 1 (0.38%) Informatica
8 1 (0.38%) Juniper
8 1 (0.38%) MuleSoft
8 1 (0.38%) Oracle
8 1 (0.38%) Palo Alto
8 1 (0.38%) Salesforce
8 1 (0.38%) Sitecore
8 1 (0.38%) Talend