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 18 June 2026.

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

6 months to
18 Jun 2026
Same period 2025 Same period 2024
Rank 204 349 293
Rank change year-on-year +145 -56 +56
Permanent jobs requiring a Principal Engineer 237 47 239
As % of all permanent jobs in London 1.10% 0.39% 0.97%
As % of the Job Titles category 1.19% 0.43% 1.03%
Number of salaries quoted 180 31 177
10th Percentile £82,375 £65,000 £70,000
25th Percentile £90,000 £96,250 £75,000
Median annual salary (50th Percentile) £100,000 £110,000 £90,000
Median % change year-on-year -9.09% +22.22% -16.28%
75th Percentile £112,500 £125,000 £112,500
90th Percentile £128,750 £140,000 £125,000
England median annual salary £85,000 £70,000 £75,000
% change year-on-year +21.43% -6.67% -11.76%

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 19,874 11,054 23,293
% of permanent jobs with a recognized job title 92.59% 90.83% 94.46%
Number of salaries quoted 13,704 6,993 17,330
10th Percentile £40,000 £40,517 £37,283
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 £98,750 £92,500
90th Percentile £100,000 £122,500 £115,000
England median annual salary £57,239 £57,500 £52,500
% change year-on-year -0.45% +9.52% -12.86%

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 18 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 18 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 54 £90,000 -20.00% 2
South London +26 6 - - 1
West London - 2 - -
Principal Engineer
England

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

For the 6 months to 18 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 91 (38.40%) Software Engineering
2 68 (28.69%) CI/CD
3 65 (27.43%) AWS
4 52 (21.94%) Infrastructure as Code
5 51 (21.52%) Agile
6 50 (21.10%) Azure
6 50 (21.10%) Technical Leadership
7 46 (19.41%) Mentoring
8 45 (18.99%) Java
9 42 (17.72%) AI
9 42 (17.72%) Python
10 41 (17.30%) Microservices
11 37 (15.61%) SQL
12 33 (13.92%) Continuous Improvement
13 30 (12.66%) Test Automation
14 28 (11.81%) Roadmaps
15 27 (11.39%) DevOps
15 27 (11.39%) TypeScript
16 26 (10.97%) Data Engineering
17 25 (10.55%) GCP
17 25 (10.55%) Terraform
18 23 (9.70%) Coaching
18 23 (9.70%) Kafka
19 22 (9.28%) Analytics
19 22 (9.28%) Kubernetes
19 22 (9.28%) Spring
20 21 (8.86%) Full-Stack Development
20 21 (8.86%) Security Cleared
20 21 (8.86%) Spring Boot
21 20 (8.44%) Event-Driven

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 (1.69%) Apache Airflow
2 2 (0.84%) 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 (27.43%) AWS
2 50 (21.10%) Azure
3 25 (10.55%) GCP
4 18 (7.59%) AWS CloudFormation
5 11 (4.64%) Serverless
6 9 (3.80%) GitHub
6 9 (3.80%) GitHub Copilot
6 9 (3.80%) SaaS
7 8 (3.38%) Anthropic Claude
7 8 (3.38%) dbt
8 7 (2.95%) Azure DevOps
9 6 (2.53%) Entra ID
10 5 (2.11%) Azure Cosmos DB
10 5 (2.11%) Azure Key Vault
10 5 (2.11%) Azure Monitor
10 5 (2.11%) Azure Sentinel
10 5 (2.11%) Azure Service Bus
11 4 (1.69%) Cloud Composer
12 3 (1.27%) PaaS
12 3 (1.27%) Snowflake
Communications & Networking
1 5 (2.11%) Broadband
2 4 (1.69%) Firewall
2 4 (1.69%) Multicast
2 4 (1.69%) WAN
3 3 (1.27%) LAN
3 3 (1.27%) WLAN
4 2 (0.84%) Bluetooth
4 2 (0.84%) Wi-Fi
4 2 (0.84%) Wireless
5 1 (0.42%) DNS
5 1 (0.42%) SD-WAN
5 1 (0.42%) VPN
Database & Business Intelligence
1 16 (6.75%) NoSQL
2 13 (5.49%) BigQuery
3 8 (3.38%) Semantic Layer
4 5 (2.11%) Azure SQL Database
4 5 (2.11%) Data Lake
4 5 (2.11%) Elasticsearch
4 5 (2.11%) GIS
4 5 (2.11%) MongoDB
4 5 (2.11%) MySQL
5 4 (1.69%) PostgreSQL
6 3 (1.27%) Data Warehouse
7 2 (0.84%) Big Data
7 2 (0.84%) DynamoDB
8 1 (0.42%) Amazon RDS
8 1 (0.42%) Apache Cassandra
8 1 (0.42%) Hadoop
8 1 (0.42%) Neo4j
8 1 (0.42%) Pentaho
8 1 (0.42%) Redis
8 1 (0.42%) Relational Database
Development Applications
1 20 (8.44%) GitLab
2 15 (6.33%) Cucumber
3 9 (3.80%) Claude Code
4 5 (2.11%) Jenkins
4 5 (2.11%) JIRA
5 1 (0.42%) Git
5 1 (0.42%) Jaeger
5 1 (0.42%) Maven
5 1 (0.42%) Selenium
5 1 (0.42%) TeamCity
General
1 55 (23.21%) Finance
2 16 (6.75%) Banking
3 12 (5.06%) Retail
4 11 (4.64%) Social Skills
5 10 (4.22%) Law
6 9 (3.80%) Inclusion and Diversity
7 7 (2.95%) Analytical Skills
8 4 (1.69%) Influencing Skills
9 3 (1.27%) 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 23 (9.70%) Kafka
2 22 (9.28%) Spring
3 21 (8.86%) Spring Boot
4 20 (8.44%) React
5 14 (5.91%) .NET
6 11 (4.64%) Android Jetpack
6 11 (4.64%) Jetpack Compose
7 8 (3.38%) Node.js
8 5 (2.11%) .NET Core
8 5 (2.11%) ADO
8 5 (2.11%) Django
8 5 (2.11%) YAML
9 4 (1.69%) .NET Framework
9 4 (1.69%) ASP.NET
9 4 (1.69%) ASP.NET Core
9 4 (1.69%) Boost C++ Libraries
9 4 (1.69%) Entity Framework
9 4 (1.69%) FIX Protocol
9 4 (1.69%) pytest
9 4 (1.69%) REST
Miscellaneous
1 39 (16.46%) Distributed Systems
2 36 (15.19%) Cloud Native
3 22 (9.28%) Enterprise Software
4 17 (7.17%) Public Cloud
5 15 (6.33%) e-Learning
6 11 (4.64%) Mobile Banking
7 10 (4.22%) Algorithms
7 10 (4.22%) Data Centre
8 5 (2.11%) Data Structures
8 5 (2.11%) Fixed Income
8 5 (2.11%) Greenfield Project
9 4 (1.69%) Derivative
9 4 (1.69%) Equities
10 3 (1.27%) 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%) Security Operations Centre
12 1 (0.42%) Product Ownership
Operating Systems
1 13 (5.49%) Linux
2 11 (4.64%) Android
3 5 (2.11%) VMS
3 5 (2.11%) Windows
4 3 (1.27%) Ubuntu
5 1 (0.42%) Windows Server
Processes & Methodologies
1 91 (38.40%) Software Engineering
2 68 (28.69%) CI/CD
3 52 (21.94%) Infrastructure as Code
4 51 (21.52%) Agile
5 50 (21.10%) Technical Leadership
6 46 (19.41%) Mentoring
7 42 (17.72%) AI
8 41 (17.30%) Microservices
9 33 (13.92%) Continuous Improvement
10 30 (12.66%) Test Automation
11 28 (11.81%) Roadmaps
12 27 (11.39%) DevOps
13 26 (10.97%) Data Engineering
14 23 (9.70%) Coaching
15 22 (9.28%) Analytics
16 21 (8.86%) Full-Stack Development
17 20 (8.44%) Event-Driven
18 19 (8.02%) Architectural Patterns
19 16 (6.75%) End-to-End Testing
20 15 (6.33%) Thought Leadership
Programming Languages
1 45 (18.99%) Java
2 42 (17.72%) Python
3 37 (15.61%) SQL
4 27 (11.39%) TypeScript
5 16 (6.75%) JavaScript
6 12 (5.06%) C#
7 11 (4.64%) Kotlin
8 6 (2.53%) PowerShell
9 4 (1.69%) C++
9 4 (1.69%) Go
10 2 (0.84%) Rust
11 1 (0.42%) Scala
Qualifications
1 21 (8.86%) Security Cleared
2 20 (8.44%) SC Cleared
3 19 (8.02%) Degree
4 18 (7.59%) AWS Certification
5 15 (6.33%) AWS Certified Solutions Architect
6 7 (2.95%) PhD
7 6 (2.53%) DV Cleared
8 5 (2.11%) Computer Science Degree
9 2 (0.84%) CEH
9 2 (0.84%) CISSP
9 2 (0.84%) CompTIA Security+
9 2 (0.84%) GIAC
9 2 (0.84%) Master's Degree
10 1 (0.42%) Azure Certification
10 1 (0.42%) DBS Check
10 1 (0.42%) Microsoft Certification
Quality Assurance & Compliance
1 8 (3.38%) Data Quality
1 8 (3.38%) QA
2 3 (1.27%) NCSC
3 2 (0.84%) ISO/IEC 27001
3 2 (0.84%) NIST
4 1 (0.42%) Accessibility
4 1 (0.42%) GDPR
System Software
1 14 (5.91%) Docker
2 7 (2.95%) Active Directory
3 1 (0.42%) Virtual Machines
3 1 (0.42%) VMware Infrastructure
Systems Management
1 25 (10.55%) Terraform
2 22 (9.28%) Kubernetes
3 6 (2.53%) Ansible
4 3 (1.27%) Microsoft Intune
4 3 (1.27%) SCCM
5 2 (0.84%) Single Sign-On
6 1 (0.42%) Progress Chef
6 1 (0.42%) Prometheus
Vendors
1 16 (6.75%) Microsoft
2 14 (5.91%) Google
3 11 (4.64%) Palantir
4 9 (3.80%) VMware
5 3 (1.27%) Red Hat
6 2 (0.84%) Darktrace
6 2 (0.84%) EMC
6 2 (0.84%) Zscaler
7 1 (0.42%) Cisco
7 1 (0.42%) Databricks
7 1 (0.42%) Fortinet
7 1 (0.42%) Informatica
7 1 (0.42%) Juniper
7 1 (0.42%) OpenAI
7 1 (0.42%) Oracle
7 1 (0.42%) Palo Alto
7 1 (0.42%) Sitecore
7 1 (0.42%) Talend