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 1 September 2026.

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

6 months to
1 Sep 2026
Same period 2025 Same period 2024
Rank 193 311 277
Rank change year-on-year +118 -34 +58
Permanent jobs requiring a Principal Engineer 265 72 197
As % of all permanent jobs in London 1.10% 0.60% 1.02%
As % of the Job Titles category 1.18% 0.66% 1.07%
Number of salaries quoted 195 50 140
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 £100,000
Median % change year-on-year -9.09% +10.00% -9.09%
75th Percentile - £120,000 £116,250
90th Percentile £128,750 £128,250 £147,500
England median annual salary £90,000 £75,900 £75,000
% change year-on-year +18.58% +1.20% -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 22,409 10,982 18,460
% of permanent jobs with a recognized job title 92.95% 91.39% 95.35%
Number of salaries quoted 15,406 7,165 12,202
10th Percentile £40,000 £37,500 £40,000
25th Percentile £55,000 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £72,500
Median % change year-on-year +3.45% - -
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 1 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 1 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 +35 41 £90,000 -20.00% 11
West London - 13 £95,000 - 13
South London +7 11 £95,000 +18.75% 1
Principal Engineer
England

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

For the 6 months to 1 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 92 (34.72%) Software Engineering
2 73 (27.55%) CI/CD
3 71 (26.79%) AWS
4 70 (26.42%) Technical Leadership
5 65 (24.53%) Infrastructure as Code
6 62 (23.40%) Mentoring
7 59 (22.26%) Java
8 55 (20.75%) AI
9 54 (20.38%) Microservices
10 53 (20.00%) Agile
11 52 (19.62%) Azure
12 45 (16.98%) SQL
13 40 (15.09%) Data Engineering
13 40 (15.09%) Python
14 39 (14.72%) Test Automation
15 37 (13.96%) Security Cleared
16 36 (13.58%) SC Cleared
17 35 (13.21%) Kafka
18 34 (12.83%) DevOps
19 32 (12.08%) GitLab
20 31 (11.70%) Analytics
21 30 (11.32%) Spring
22 29 (10.94%) Coaching
22 29 (10.94%) Event-Driven
22 29 (10.94%) Spring Boot
23 28 (10.57%) Continuous Improvement
24 27 (10.19%) Architectural Patterns
24 27 (10.19%) Kubernetes
24 27 (10.19%) Terraform
25 26 (9.81%) 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 6 (2.26%) Camunda
2 4 (1.51%) Apache Airflow
3 2 (0.75%) Apache Spark
4 1 (0.38%) CMS
4 1 (0.38%) Confluence
4 1 (0.38%) Sitecore CMS
Applications
1 2 (0.75%) Microsoft PowerPoint
Cloud Services
1 71 (26.79%) AWS
2 52 (19.62%) Azure
3 26 (9.81%) GCP
4 22 (8.30%) AWS CloudFormation
5 15 (5.66%) GitHub
6 11 (4.15%) Anthropic Claude
7 9 (3.40%) GitHub Copilot
8 8 (3.02%) Azure DevOps
8 8 (3.02%) Entra ID
9 7 (2.64%) dbt
10 6 (2.26%) SaaS
10 6 (2.26%) Serverless
11 5 (1.89%) Amazon S3
11 5 (1.89%) Azure Cosmos DB
11 5 (1.89%) Azure Key Vault
11 5 (1.89%) Azure Logic Apps
11 5 (1.89%) Azure Monitor
11 5 (1.89%) Azure Sentinel
11 5 (1.89%) Azure Service Bus
11 5 (1.89%) Snowflake
Communications & Networking
1 7 (2.64%) Multicast
2 5 (1.89%) Firewall
3 4 (1.51%) Broadband
3 4 (1.51%) WAN
4 3 (1.13%) LAN
4 3 (1.13%) WLAN
5 2 (0.75%) DNS
5 2 (0.75%) 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 23 (8.68%) NoSQL
2 8 (3.02%) BigQuery
2 8 (3.02%) Semantic Layer
3 6 (2.26%) GIS
3 6 (2.26%) PostgreSQL
4 5 (1.89%) Azure SQL Database
4 5 (1.89%) MongoDB
5 4 (1.51%) Data Lake
6 3 (1.13%) Amazon RDS
6 3 (1.13%) Big Data
6 3 (1.13%) Data Warehouse
7 2 (0.75%) Apache Cassandra
7 2 (0.75%) Apache Iceberg
7 2 (0.75%) DynamoDB
7 2 (0.75%) Pinecone
7 2 (0.75%) Relational Database
8 1 (0.38%) Amazon Athena
8 1 (0.38%) Apache Hudi
8 1 (0.38%) Scylla
8 1 (0.38%) Trino
Development Applications
1 32 (12.08%) GitLab
2 21 (7.92%) Cucumber
3 10 (3.77%) Jenkins
4 9 (3.40%) Claude Code
5 7 (2.64%) JIRA
6 6 (2.26%) Git
7 5 (1.89%) Atlassian Bamboo
8 1 (0.38%) Artifactory
8 1 (0.38%) Newman
8 1 (0.38%) Postman
8 1 (0.38%) REST Assured
8 1 (0.38%) Selenium
General
1 66 (24.91%) Finance
2 21 (7.92%) Social Skills
3 17 (6.42%) Banking
4 12 (4.53%) Law
5 11 (4.15%) Inclusion and Diversity
5 11 (4.15%) Public Sector
5 11 (4.15%) Retail
6 6 (2.26%) Aerospace
6 6 (2.26%) Legal
7 5 (1.89%) Analytical Skills
8 4 (1.51%) Influencing Skills
9 3 (1.13%) Retail Banking
10 2 (0.75%) Financial Institution
10 2 (0.75%) Front Office
10 2 (0.75%) Marketing
10 2 (0.75%) Organisational Skills
11 1 (0.38%) Billing
Libraries, Frameworks & Software Standards
1 35 (13.21%) Kafka
2 30 (11.32%) Spring
3 29 (10.94%) Spring Boot
4 27 (10.19%) Terraform
5 16 (6.04%) React
6 12 (4.53%) .NET
7 8 (3.02%) Node.js
8 7 (2.64%) REST
9 6 (2.26%) Boost C++ Libraries
9 6 (2.26%) FIX Protocol
9 6 (2.26%) pytest
10 5 (1.89%) ADO
10 5 (1.89%) YAML
11 4 (1.51%) .NET Framework
11 4 (1.51%) ASP.NET
11 4 (1.51%) ASP.NET Core
11 4 (1.51%) ASP.NET Web API
11 4 (1.51%) CrewAI
11 4 (1.51%) Entity Framework
11 4 (1.51%) RabbitMQ
Miscellaneous
1 59 (22.26%) Cloud Native
2 41 (15.47%) Distributed Systems
3 30 (11.32%) Enterprise Software
4 23 (8.68%) Public Cloud
5 21 (7.92%) e-Learning
6 10 (3.77%) AI Agents
6 10 (3.77%) Data Centre
7 7 (2.64%) Algorithms
7 7 (2.64%) Fixed Income
8 6 (2.26%) Derivative
8 6 (2.26%) Equities
8 6 (2.26%) Management Information System
9 4 (1.51%) Virtual Team
10 3 (1.13%) Cyber Kill Chain
10 3 (1.13%) Insider Threat
10 3 (1.13%) Life Science
10 3 (1.13%) Mobile Banking
11 2 (0.75%) Hybrid Cloud
11 2 (0.75%) Legacy Systems
11 2 (0.75%) Mobile Wallet
Operating Systems
1 21 (7.92%) Linux
2 6 (2.26%) Windows
3 5 (1.89%) CentOS
3 5 (1.89%) Red Hat Enterprise Linux
3 5 (1.89%) VMS
4 3 (1.13%) Android
4 3 (1.13%) Ubuntu
5 2 (0.75%) Windows Server
Processes & Methodologies
1 92 (34.72%) Software Engineering
2 73 (27.55%) CI/CD
3 70 (26.42%) Technical Leadership
4 65 (24.53%) Infrastructure as Code
5 62 (23.40%) Mentoring
6 55 (20.75%) AI
7 54 (20.38%) Microservices
8 53 (20.00%) Agile
9 40 (15.09%) Data Engineering
10 39 (14.72%) Test Automation
11 34 (12.83%) DevOps
12 31 (11.70%) Analytics
13 29 (10.94%) Coaching
13 29 (10.94%) Event-Driven
14 28 (10.57%) Continuous Improvement
15 27 (10.19%) Architectural Patterns
16 26 (9.81%) Workflow
17 25 (9.43%) Roadmaps
18 23 (8.68%) End-to-End Testing
18 23 (8.68%) Observability
Programming Languages
1 59 (22.26%) Java
2 45 (16.98%) SQL
3 40 (15.09%) Python
4 26 (9.81%) TypeScript
5 18 (6.79%) JavaScript
6 15 (5.66%) C#
7 6 (2.26%) C++
8 5 (1.89%) PowerShell
9 3 (1.13%) Go
9 3 (1.13%) Kotlin
9 3 (1.13%) Rust
10 2 (0.75%) R
10 2 (0.75%) Ruby
10 2 (0.75%) Scala
Qualifications
1 37 (13.96%) Security Cleared
2 36 (13.58%) SC Cleared
3 21 (7.92%) AWS Certification
3 21 (7.92%) AWS Certified Solutions Architect
4 17 (6.42%) Degree
5 16 (6.04%) DV Cleared
6 7 (2.64%) PhD
7 3 (1.13%) BPSS Clearance
7 3 (1.13%) Chartered Engineer
7 3 (1.13%) HND
8 2 (0.75%) CEH
8 2 (0.75%) CISSP
8 2 (0.75%) CompTIA Security+
8 2 (0.75%) Computer Science Degree
8 2 (0.75%) DBS Check
8 2 (0.75%) GIAC
8 2 (0.75%) Microsoft Certified Professional
9 1 (0.38%) Azure Certification
9 1 (0.38%) Cisco Certification
9 1 (0.38%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.77%) QA
2 8 (3.02%) Data Quality
3 5 (1.89%) GDPR
4 3 (1.13%) NCSC
4 3 (1.13%) NIST
5 2 (0.75%) ISO/IEC 27001
5 2 (0.75%) PCI DSS
5 2 (0.75%) PSD2
6 1 (0.38%) Accessibility
6 1 (0.38%) RMADS
System Software
1 15 (5.66%) Docker
2 10 (3.77%) Active Directory
3 2 (0.75%) 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 27 (10.19%) Kubernetes
2 11 (4.15%) Ansible
3 4 (1.51%) Single Sign-On
4 3 (1.13%) Microsoft Intune
4 3 (1.13%) SCCM
5 2 (0.75%) Grafana
5 2 (0.75%) Prometheus
6 1 (0.38%) Argo
6 1 (0.38%) SCOM
Vendors
1 24 (9.06%) Microsoft
2 16 (6.04%) Palantir
3 10 (3.77%) VMware
4 9 (3.40%) Google
5 5 (1.89%) Databricks
6 4 (1.51%) Red Hat
7 3 (1.13%) OpenAI
8 2 (0.75%) Cisco
8 2 (0.75%) Darktrace
8 2 (0.75%) MuleSoft
8 2 (0.75%) Salesforce
8 2 (0.75%) Zscaler
9 1 (0.38%) Fortinet
9 1 (0.38%) Informatica
9 1 (0.38%) Juniper
9 1 (0.38%) Oracle
9 1 (0.38%) Palo Alto
9 1 (0.38%) Sitecore
9 1 (0.38%) Talend