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 26 June 2026.

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

6 months to
26 Jun 2026
Same period 2025 Same period 2024
Rank 204 342 284
Rank change year-on-year +138 -58 +65
Permanent jobs requiring a Principal Engineer 238 51 239
As % of all permanent jobs in London 1.09% 0.42% 0.98%
As % of the Job Titles category 1.18% 0.46% 1.04%
Number of salaries quoted 182 35 174
10th Percentile £81,375 £71,000 £70,000
25th Percentile £90,000 £96,250 £75,000
Median annual salary (50th Percentile) £100,000 £112,500 £90,000
Median % change year-on-year -11.11% +25.00% -16.28%
75th Percentile £112,500 £125,000 £110,938
90th Percentile £129,875 £138,000 £124,250
England median annual salary £87,200 £70,600 £75,000
% change year-on-year +23.51% -5.87% -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 20,162 11,078 23,013
% of permanent jobs with a recognized job title 92.72% 90.90% 94.42%
Number of salaries quoted 13,876 7,040 17,075
10th Percentile £40,000 £40,000 £37,500
25th Percentile £55,000 £55,000 £50,000
Median annual salary (50th Percentile) £75,000 £75,000 £70,000
Median % change year-on-year - +7.14% -3.45%
75th Percentile £95,000 £98,000 £93,750
90th Percentile £100,000 £122,500 £115,000
England median annual salary £57,500 £57,500 £52,500
% change year-on-year - +9.52% -12.50%

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 26 June 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 26 June 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 +43 52 £90,000 -20.88% 2
South London +21 6 - -
West London - 2 - -
Principal Engineer
England

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

For the 6 months to 26 June 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 90 (37.82%) Software Engineering
2 69 (28.99%) CI/CD
3 65 (27.31%) AWS
4 53 (22.27%) Infrastructure as Code
5 52 (21.85%) Agile
5 52 (21.85%) Technical Leadership
6 51 (21.43%) Azure
7 49 (20.59%) Mentoring
8 45 (18.91%) Java
9 44 (18.49%) AI
9 44 (18.49%) Python
10 43 (18.07%) Microservices
11 38 (15.97%) SQL
12 33 (13.87%) Continuous Improvement
13 31 (13.03%) Test Automation
14 28 (11.76%) Data Engineering
14 28 (11.76%) DevOps
15 27 (11.34%) Roadmaps
15 27 (11.34%) TypeScript
16 26 (10.92%) GCP
17 25 (10.50%) Terraform
18 24 (10.08%) Analytics
18 24 (10.08%) Coaching
18 24 (10.08%) Kafka
19 23 (9.66%) Security Cleared
19 23 (9.66%) Spring
20 22 (9.24%) Event-Driven
20 22 (9.24%) Kubernetes
20 22 (9.24%) Spring Boot
21 21 (8.82%) Full-Stack Development

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 4 (1.68%) Apache Airflow
2 3 (1.26%) Camunda
3 1 (0.42%) Apache Spark
3 1 (0.42%) CMS
3 1 (0.42%) Confluence
3 1 (0.42%) Sitecore CMS
Applications
1 2 (0.84%) Microsoft PowerPoint
Cloud Services
1 65 (27.31%) AWS
2 51 (21.43%) Azure
3 26 (10.92%) GCP
4 19 (7.98%) AWS CloudFormation
5 9 (3.78%) GitHub
5 9 (3.78%) GitHub Copilot
5 9 (3.78%) Serverless
6 8 (3.36%) Anthropic Claude
6 8 (3.36%) dbt
7 7 (2.94%) Azure DevOps
7 7 (2.94%) SaaS
8 6 (2.52%) Entra ID
9 5 (2.10%) Azure Cosmos DB
9 5 (2.10%) Azure Key Vault
9 5 (2.10%) Azure Monitor
9 5 (2.10%) Azure Sentinel
9 5 (2.10%) Azure Service Bus
10 4 (1.68%) Cloud Composer
11 3 (1.26%) AWS Step Functions
11 3 (1.26%) Snowflake
Communications & Networking
1 5 (2.10%) Broadband
1 5 (2.10%) Multicast
2 4 (1.68%) Firewall
2 4 (1.68%) WAN
3 3 (1.26%) LAN
3 3 (1.26%) WLAN
4 2 (0.84%) Bluetooth
4 2 (0.84%) DNS
4 2 (0.84%) Wi-Fi
4 2 (0.84%) Wireless
5 1 (0.42%) DHCP
5 1 (0.42%) SD-WAN
5 1 (0.42%) VPN
5 1 (0.42%) VSAN
Database & Business Intelligence
1 17 (7.14%) NoSQL
2 13 (5.46%) BigQuery
3 8 (3.36%) Semantic Layer
4 5 (2.10%) Azure SQL Database
4 5 (2.10%) Data Lake
4 5 (2.10%) Elasticsearch
4 5 (2.10%) GIS
4 5 (2.10%) MongoDB
4 5 (2.10%) PostgreSQL
5 3 (1.26%) Data Warehouse
5 3 (1.26%) MySQL
6 2 (0.84%) Amazon RDS
6 2 (0.84%) Big Data
6 2 (0.84%) DynamoDB
7 1 (0.42%) Apache Cassandra
7 1 (0.42%) DataStage
7 1 (0.42%) Neo4j
7 1 (0.42%) Pentaho
7 1 (0.42%) RDBMS
7 1 (0.42%) Redis
Development Applications
1 21 (8.82%) GitLab
2 16 (6.72%) Cucumber
3 9 (3.78%) Claude Code
4 6 (2.52%) JIRA
5 5 (2.10%) Jenkins
6 1 (0.42%) Git
6 1 (0.42%) Jaeger
6 1 (0.42%) Maven
6 1 (0.42%) Selenium
6 1 (0.42%) TeamCity
General
1 56 (23.53%) Finance
2 16 (6.72%) Banking
3 12 (5.04%) Retail
4 11 (4.62%) Social Skills
5 10 (4.20%) Law
6 9 (3.78%) Inclusion and Diversity
7 7 (2.94%) Analytical Skills
8 4 (1.68%) Influencing Skills
9 3 (1.26%) Public Sector
10 2 (0.84%) Electronics
10 2 (0.84%) Manufacturing
11 1 (0.42%) Billing
11 1 (0.42%) Front Office
11 1 (0.42%) Legal
Libraries, Frameworks & Software Standards
1 24 (10.08%) Kafka
2 23 (9.66%) Spring
3 22 (9.24%) Spring Boot
4 20 (8.40%) React
5 12 (5.04%) .NET
6 10 (4.20%) Android Jetpack
6 10 (4.20%) Jetpack Compose
7 9 (3.78%) Node.js
8 5 (2.10%) ADO
8 5 (2.10%) Boost C++ Libraries
8 5 (2.10%) Django
8 5 (2.10%) FIX Protocol
8 5 (2.10%) pytest
8 5 (2.10%) YAML
9 4 (1.68%) .NET Framework
9 4 (1.68%) ASP.NET
9 4 (1.68%) ASP.NET Core
9 4 (1.68%) ASP.NET Web API
9 4 (1.68%) Entity Framework
9 4 (1.68%) REST
Miscellaneous
1 41 (17.23%) Distributed Systems
2 38 (15.97%) Cloud Native
3 23 (9.66%) Enterprise Software
4 18 (7.56%) Public Cloud
5 16 (6.72%) e-Learning
6 11 (4.62%) Algorithms
7 10 (4.20%) Data Centre
7 10 (4.20%) Mobile Banking
8 6 (2.52%) Fixed Income
9 5 (2.10%) Data Structures
9 5 (2.10%) Derivative
9 5 (2.10%) Equities
9 5 (2.10%) Greenfield Project
10 3 (1.26%) Management Information System
11 2 (0.84%) AI Agents
11 2 (0.84%) Cyber Threat
11 2 (0.84%) Embedded Systems
11 2 (0.84%) Hybrid Cloud
11 2 (0.84%) Life Science
11 2 (0.84%) Security Operations Centre
Operating Systems
1 14 (5.88%) Linux
2 10 (4.20%) Android
3 6 (2.52%) Windows
4 5 (2.10%) VMS
5 3 (1.26%) Ubuntu
6 2 (0.84%) Windows Server
Processes & Methodologies
1 90 (37.82%) Software Engineering
2 69 (28.99%) CI/CD
3 53 (22.27%) Infrastructure as Code
4 52 (21.85%) Agile
4 52 (21.85%) Technical Leadership
5 49 (20.59%) Mentoring
6 44 (18.49%) AI
7 43 (18.07%) Microservices
8 33 (13.87%) Continuous Improvement
9 31 (13.03%) Test Automation
10 28 (11.76%) Data Engineering
10 28 (11.76%) DevOps
11 27 (11.34%) Roadmaps
12 24 (10.08%) Analytics
12 24 (10.08%) Coaching
13 22 (9.24%) Event-Driven
14 21 (8.82%) Full-Stack Development
15 20 (8.40%) Architectural Patterns
16 17 (7.14%) End-to-End Testing
17 16 (6.72%) Thought Leadership
Programming Languages
1 45 (18.91%) Java
2 44 (18.49%) Python
3 38 (15.97%) SQL
4 27 (11.34%) TypeScript
5 18 (7.56%) JavaScript
6 10 (4.20%) C#
6 10 (4.20%) Kotlin
7 6 (2.52%) PowerShell
8 5 (2.10%) C++
9 4 (1.68%) Go
10 3 (1.26%) Rust
11 1 (0.42%) Scala
Qualifications
1 23 (9.66%) Security Cleared
2 21 (8.82%) SC Cleared
3 19 (7.98%) Degree
4 18 (7.56%) AWS Certification
5 16 (6.72%) AWS Certified Solutions Architect
6 7 (2.94%) DV Cleared
6 7 (2.94%) PhD
7 5 (2.10%) Computer Science Degree
8 2 (0.84%) CEH
8 2 (0.84%) CISSP
8 2 (0.84%) CompTIA Security+
8 2 (0.84%) GIAC
8 2 (0.84%) Master's Degree
9 1 (0.42%) Azure Certification
9 1 (0.42%) DBS Check
9 1 (0.42%) Microsoft Certification
Quality Assurance & Compliance
1 9 (3.78%) QA
2 8 (3.36%) Data Quality
3 3 (1.26%) NCSC
3 3 (1.26%) NIST
4 2 (0.84%) GDPR
4 2 (0.84%) ISO/IEC 27001
5 1 (0.42%) Accessibility
5 1 (0.42%) RMADS
System Software
1 13 (5.46%) Docker
2 8 (3.36%) Active Directory
3 2 (0.84%) VMware Infrastructure
4 1 (0.42%) Virtual Machines
4 1 (0.42%) VMware ESXi
4 1 (0.42%) VMware NSX
4 1 (0.42%) vSphere
Systems Management
1 25 (10.50%) Terraform
2 22 (9.24%) Kubernetes
3 6 (2.52%) Ansible
4 3 (1.26%) Microsoft Intune
4 3 (1.26%) SCCM
5 2 (0.84%) Single Sign-On
6 1 (0.42%) Progress Chef
6 1 (0.42%) Prometheus
6 1 (0.42%) SCOM
Vendors
1 16 (6.72%) Microsoft
2 14 (5.88%) Google
2 14 (5.88%) Palantir
3 10 (4.20%) VMware
4 3 (1.26%) Red Hat
5 2 (0.84%) Darktrace
5 2 (0.84%) EMC
5 2 (0.84%) Zscaler
6 1 (0.42%) Cisco
6 1 (0.42%) Databricks
6 1 (0.42%) Fortinet
6 1 (0.42%) Informatica
6 1 (0.42%) Juniper
6 1 (0.42%) OpenAI
6 1 (0.42%) Oracle
6 1 (0.42%) Palo Alto
6 1 (0.42%) Sitecore
6 1 (0.42%) Talend