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 12 September 2026.

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

6 months to
12 Sep 2026
Same period 2025 Same period 2024
Rank 191 310 280
Rank change year-on-year +119 -30 +52
Permanent jobs requiring a Principal Engineer 284 82 199
As % of all permanent jobs in London 1.15% 0.68% 1.04%
As % of the Job Titles category 1.24% 0.75% 1.09%
Number of salaries quoted 210 58 139
10th Percentile £82,500 £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% -9.09%
75th Percentile - £120,000 £116,250
90th Percentile £120,000 £135,750 £147,500
England median annual salary £90,000 £77,500 £75,000
% change year-on-year +16.13% +3.33% -15.49%

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 22,939 10,933 18,328
% of permanent jobs with a recognized job title 92.80% 91.27% 95.42%
Number of salaries quoted 15,845 7,135 11,765
10th Percentile £40,000 £37,500 £40,000
25th Percentile £55,000 £52,500 £52,500
Median annual salary (50th Percentile) £75,000 £72,500 £72,500
Median % change year-on-year +3.45% - -0.68%
75th Percentile £97,500 £96,250 £95,000
90th Percentile £100,000 £120,000 £118,750
England median annual salary £59,000 £55,000 £55,000
% change year-on-year +7.27% - -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 12 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 12 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 +26 40 £90,000 -20.00% 24
West London - 15 £95,000 - 10
South London +8 11 £95,000 +18.75% 3
Principal Engineer
England

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

For the 6 months to 12 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.

1 104 (36.62%) Software Engineering
2 73 (25.70%) AWS
3 72 (25.35%) CI/CD
3 72 (25.35%) Technical Leadership
4 66 (23.24%) Infrastructure as Code
5 61 (21.48%) Mentoring
6 57 (20.07%) Java
7 55 (19.37%) Agile
8 54 (19.01%) AI
9 53 (18.66%) Microservices
10 52 (18.31%) Azure
11 45 (15.85%) SQL
12 39 (13.73%) Data Engineering
12 39 (13.73%) Test Automation
13 38 (13.38%) Security Cleared
14 37 (13.03%) Python
14 37 (13.03%) SC Cleared
15 36 (12.68%) DevOps
15 36 (12.68%) Kafka
16 33 (11.62%) GitLab
17 31 (10.92%) Spring
17 31 (10.92%) Spring Boot
18 30 (10.56%) Coaching
18 30 (10.56%) Event-Driven
19 29 (10.21%) Architectural Patterns
20 28 (9.86%) Analytics
20 28 (9.86%) Continuous Improvement
21 27 (9.51%) Kubernetes
21 27 (9.51%) Terraform
21 27 (9.51%) 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 5 (1.76%) Camunda
2 3 (1.06%) Apache Airflow
3 1 (0.35%) Apache Spark
3 1 (0.35%) CMS
3 1 (0.35%) Confluence
3 1 (0.35%) Sitecore CMS
Applications
1 2 (0.70%) Microsoft PowerPoint
Cloud Services
1 73 (25.70%) AWS
2 52 (18.31%) Azure
3 25 (8.80%) GCP
4 23 (8.10%) AWS CloudFormation
5 14 (4.93%) GitHub
6 11 (3.87%) Anthropic Claude
7 8 (2.82%) Azure DevOps
7 8 (2.82%) Entra ID
7 8 (2.82%) GitHub Copilot
8 6 (2.11%) dbt
8 6 (2.11%) SaaS
8 6 (2.11%) Serverless
9 5 (1.76%) Amazon S3
9 5 (1.76%) Azure Cosmos DB
9 5 (1.76%) Azure Key Vault
9 5 (1.76%) Azure Logic Apps
9 5 (1.76%) Azure Monitor
9 5 (1.76%) Azure Sentinel
9 5 (1.76%) Azure Service Bus
9 5 (1.76%) Snowflake
Communications & Networking
1 7 (2.46%) Multicast
2 5 (1.76%) Firewall
3 4 (1.41%) Broadband
3 4 (1.41%) WAN
4 3 (1.06%) LAN
4 3 (1.06%) WLAN
5 2 (0.70%) DNS
5 2 (0.70%) Unified Communications
6 1 (0.35%) BGP
6 1 (0.35%) DHCP
6 1 (0.35%) Internet
6 1 (0.35%) IPv6
6 1 (0.35%) MPLS
6 1 (0.35%) OSPF
6 1 (0.35%) SD-WAN
6 1 (0.35%) VPN
6 1 (0.35%) VSAN
Database & Business Intelligence
1 25 (8.80%) NoSQL
2 7 (2.46%) BigQuery
2 7 (2.46%) Semantic Layer
3 6 (2.11%) Data Warehouse
3 6 (2.11%) GIS
4 5 (1.76%) Azure SQL Database
4 5 (1.76%) PostgreSQL
5 4 (1.41%) MongoDB
6 3 (1.06%) Amazon RDS
6 3 (1.06%) Data Lake
7 2 (0.70%) Apache Cassandra
7 2 (0.70%) Apache Iceberg
7 2 (0.70%) Big Data
7 2 (0.70%) Couchbase
7 2 (0.70%) Pinecone
7 2 (0.70%) Scylla
8 1 (0.35%) Amazon Athena
8 1 (0.35%) Delta Lake
8 1 (0.35%) DynamoDB
8 1 (0.35%) Relational Database
Development Applications
1 33 (11.62%) GitLab
2 22 (7.75%) Cucumber
3 10 (3.52%) Jenkins
4 8 (2.82%) Claude Code
5 7 (2.46%) JIRA
6 6 (2.11%) Git
7 5 (1.76%) Atlassian Bamboo
8 1 (0.35%) Artifactory
8 1 (0.35%) Newman
8 1 (0.35%) Postman
8 1 (0.35%) REST Assured
General
1 68 (23.94%) Finance
2 25 (8.80%) Social Skills
3 19 (6.69%) Banking
4 11 (3.87%) Inclusion and Diversity
4 11 (3.87%) Retail
5 10 (3.52%) Law
5 10 (3.52%) Public Sector
6 8 (2.82%) Aerospace
7 7 (2.46%) Legal
8 5 (1.76%) Financial Institution
9 3 (1.06%) Analytical Skills
9 3 (1.06%) Influencing Skills
9 3 (1.06%) Retail Banking
10 2 (0.70%) Front Office
10 2 (0.70%) Marketing
10 2 (0.70%) Organisational Skills
11 1 (0.35%) Billing
11 1 (0.35%) Presentation Skills
Libraries, Frameworks & Software Standards
1 36 (12.68%) Kafka
2 31 (10.92%) Spring
2 31 (10.92%) Spring Boot
3 27 (9.51%) Terraform
4 16 (5.63%) React
5 12 (4.23%) .NET
6 8 (2.82%) Node.js
7 6 (2.11%) Boost C++ Libraries
7 6 (2.11%) FIX Protocol
7 6 (2.11%) pytest
8 5 (1.76%) ADO
8 5 (1.76%) REST
8 5 (1.76%) YAML
9 4 (1.41%) .NET Framework
9 4 (1.41%) ASP.NET
9 4 (1.41%) ASP.NET Core
9 4 (1.41%) ASP.NET Web API
9 4 (1.41%) CrewAI
9 4 (1.41%) Entity Framework
9 4 (1.41%) LangChain
Miscellaneous
1 61 (21.48%) Cloud Native
2 43 (15.14%) Distributed Systems
3 32 (11.27%) Enterprise Software
4 24 (8.45%) Public Cloud
5 22 (7.75%) e-Learning
6 11 (3.87%) Data Centre
7 10 (3.52%) AI Agents
8 7 (2.46%) Algorithms
8 7 (2.46%) Fixed Income
9 6 (2.11%) Derivative
9 6 (2.11%) Equities
10 5 (1.76%) Management Information System
11 4 (1.41%) Virtual Team
12 3 (1.06%) Cyber Kill Chain
12 3 (1.06%) Insider Threat
12 3 (1.06%) Life Science
13 2 (0.70%) Distributed Computing
13 2 (0.70%) Legacy Systems
13 2 (0.70%) Mobile Banking
13 2 (0.70%) Mobile Wallet
Operating Systems
1 22 (7.75%) Linux
2 6 (2.11%) Windows
3 5 (1.76%) CentOS
3 5 (1.76%) Red Hat Enterprise Linux
3 5 (1.76%) VMS
4 3 (1.06%) Ubuntu
5 2 (0.70%) Android
5 2 (0.70%) Windows Server
Processes & Methodologies
1 104 (36.62%) Software Engineering
2 72 (25.35%) CI/CD
2 72 (25.35%) Technical Leadership
3 66 (23.24%) Infrastructure as Code
4 61 (21.48%) Mentoring
5 55 (19.37%) Agile
6 54 (19.01%) AI
7 53 (18.66%) Microservices
8 39 (13.73%) Data Engineering
8 39 (13.73%) Test Automation
9 36 (12.68%) DevOps
10 30 (10.56%) Coaching
10 30 (10.56%) Event-Driven
11 29 (10.21%) Architectural Patterns
12 28 (9.86%) Analytics
12 28 (9.86%) Continuous Improvement
13 25 (8.80%) End-to-End Testing
14 24 (8.45%) Observability
14 24 (8.45%) Roadmaps
15 23 (8.10%) Platform Engineering
Programming Languages
1 57 (20.07%) Java
2 45 (15.85%) SQL
3 37 (13.03%) Python
4 27 (9.51%) TypeScript
5 17 (5.99%) JavaScript
6 16 (5.63%) C#
7 6 (2.11%) C++
8 5 (1.76%) PowerShell
9 3 (1.06%) Go
9 3 (1.06%) R
9 3 (1.06%) Rust
10 2 (0.70%) Kotlin
10 2 (0.70%) Ruby
10 2 (0.70%) Scala
Qualifications
1 38 (13.38%) Security Cleared
2 37 (13.03%) SC Cleared
3 22 (7.75%) AWS Certification
3 22 (7.75%) AWS Certified Solutions Architect
4 15 (5.28%) Degree
5 14 (4.93%) DV Cleared
6 5 (1.76%) PhD
7 3 (1.06%) BPSS Clearance
7 3 (1.06%) Chartered Engineer
7 3 (1.06%) HND
8 2 (0.70%) CEH
8 2 (0.70%) CISSP
8 2 (0.70%) CompTIA Security+
8 2 (0.70%) Computer Science Degree
8 2 (0.70%) DBS Check
8 2 (0.70%) GIAC
8 2 (0.70%) Microsoft Certified Professional
9 1 (0.35%) CCIE
9 1 (0.35%) Cisco Certification
9 1 (0.35%) Microsoft Certification
Quality Assurance & Compliance
1 11 (3.87%) QA
2 8 (2.82%) Data Quality
3 5 (1.76%) GDPR
4 3 (1.06%) NCSC
4 3 (1.06%) NIST
5 2 (0.70%) ISO/IEC 27001
5 2 (0.70%) PCI DSS
5 2 (0.70%) PSD2
6 1 (0.35%) Accessibility
6 1 (0.35%) RMADS
System Software
1 14 (4.93%) Docker
2 10 (3.52%) Active Directory
3 2 (0.70%) VMware Infrastructure
4 1 (0.35%) Virtual Machines
4 1 (0.35%) VMware ESXi
4 1 (0.35%) VMware NSX
4 1 (0.35%) vSphere
Systems Management
1 27 (9.51%) Kubernetes
2 11 (3.87%) Ansible
3 4 (1.41%) Single Sign-On
4 3 (1.06%) Microsoft Intune
4 3 (1.06%) SCCM
5 2 (0.70%) Grafana
5 2 (0.70%) Prometheus
6 1 (0.35%) Argo
6 1 (0.35%) SCOM
Vendors
1 25 (8.80%) Microsoft
2 16 (5.63%) Palantir
3 10 (3.52%) VMware
4 8 (2.82%) Google
5 5 (1.76%) Databricks
5 5 (1.76%) Salesforce
6 4 (1.41%) MuleSoft
6 4 (1.41%) Red Hat
7 3 (1.06%) OpenAI
8 2 (0.70%) Cisco
8 2 (0.70%) Darktrace
8 2 (0.70%) Zscaler
9 1 (0.35%) Fortinet
9 1 (0.35%) Juniper
9 1 (0.35%) Palo Alto
9 1 (0.35%) Sitecore