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 August 2026.

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

6 months to
26 Aug 2026
Same period 2025 Same period 2024
Rank 204 323 280
Rank change year-on-year +119 -43 +54
Permanent jobs requiring a Principal Engineer 264 68 196
As % of all permanent jobs in London 1.10% 0.56% 1.00%
As % of the Job Titles category 1.18% 0.62% 1.05%
Number of salaries quoted 194 46 141
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 £98,000
Median % change year-on-year -9.09% +12.24% -10.91%
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 22,367 11,026 18,601
% of permanent jobs with a recognized job title 92.95% 91.55% 95.22%
Number of salaries quoted 15,323 7,174 12,560
10th Percentile £40,000 £38,000 £40,000
25th Percentile £55,000 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £71,500
Median % change year-on-year +3.45% +1.40% -1.38%
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 26 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 26 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 +35 44 £90,000 -20.00% 5
South London +9 11 £95,000 +18.75%
West London - 11 £90,000 - 11
Principal Engineer
England

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

For the 6 months to 26 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 96 (36.36%) Software Engineering
2 72 (27.27%) CI/CD
2 72 (27.27%) Technical Leadership
3 71 (26.89%) AWS
4 64 (24.24%) Infrastructure as Code
5 61 (23.11%) Mentoring
6 59 (22.35%) Java
7 53 (20.08%) Agile
7 53 (20.08%) AI
7 53 (20.08%) Microservices
8 51 (19.32%) Azure
9 43 (16.29%) SQL
10 40 (15.15%) Data Engineering
11 39 (14.77%) Python
12 37 (14.02%) Security Cleared
12 37 (14.02%) Test Automation
13 36 (13.64%) SC Cleared
14 34 (12.88%) DevOps
14 34 (12.88%) Kafka
15 31 (11.74%) Analytics
16 30 (11.36%) GitLab
17 29 (10.98%) Spring
18 28 (10.61%) Coaching
18 28 (10.61%) Continuous Improvement
18 28 (10.61%) Event-Driven
18 28 (10.61%) Kubernetes
18 28 (10.61%) Spring Boot
19 27 (10.23%) Terraform
20 26 (9.85%) Architectural Patterns
20 26 (9.85%) 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 (2.27%) Camunda
2 4 (1.52%) Apache Airflow
3 2 (0.76%) Apache Spark
4 1 (0.38%) CMS
4 1 (0.38%) Confluence
4 1 (0.38%) Sitecore CMS
Applications
1 2 (0.76%) Microsoft PowerPoint
Cloud Services
1 71 (26.89%) AWS
2 51 (19.32%) Azure
3 26 (9.85%) GCP
4 21 (7.95%) AWS CloudFormation
5 14 (5.30%) GitHub
6 9 (3.41%) Anthropic Claude
6 9 (3.41%) GitHub Copilot
7 8 (3.03%) Azure DevOps
7 8 (3.03%) Entra ID
8 7 (2.65%) dbt
9 6 (2.27%) SaaS
9 6 (2.27%) Serverless
10 5 (1.89%) Amazon S3
10 5 (1.89%) Azure Cosmos DB
10 5 (1.89%) Azure Key Vault
10 5 (1.89%) Azure Logic Apps
10 5 (1.89%) Azure Monitor
10 5 (1.89%) Azure Sentinel
10 5 (1.89%) Azure Service Bus
10 5 (1.89%) Snowflake
Communications & Networking
1 7 (2.65%) Multicast
2 5 (1.89%) Firewall
3 4 (1.52%) Broadband
3 4 (1.52%) WAN
4 3 (1.14%) LAN
4 3 (1.14%) WLAN
5 2 (0.76%) DNS
5 2 (0.76%) 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 22 (8.33%) NoSQL
2 8 (3.03%) BigQuery
2 8 (3.03%) Semantic Layer
3 6 (2.27%) GIS
4 5 (1.89%) Azure SQL Database
4 5 (1.89%) MongoDB
4 5 (1.89%) PostgreSQL
5 4 (1.52%) Data Lake
6 3 (1.14%) Amazon RDS
6 3 (1.14%) Big Data
7 2 (0.76%) Apache Cassandra
7 2 (0.76%) Apache Iceberg
7 2 (0.76%) Data Warehouse
7 2 (0.76%) DynamoDB
7 2 (0.76%) Pinecone
8 1 (0.38%) Amazon QuickSight
8 1 (0.38%) Apache Hudi
8 1 (0.38%) Delta Lake
8 1 (0.38%) Metadata
8 1 (0.38%) Trino
Development Applications
1 30 (11.36%) GitLab
2 20 (7.58%) Cucumber
3 9 (3.41%) Claude Code
3 9 (3.41%) Jenkins
4 7 (2.65%) JIRA
5 6 (2.27%) Git
6 5 (1.89%) Atlassian Bamboo
7 1 (0.38%) Artifactory
7 1 (0.38%) Selenium
General
1 66 (25.00%) Finance
2 20 (7.58%) Social Skills
3 18 (6.82%) Banking
4 12 (4.55%) Law
5 11 (4.17%) Inclusion and Diversity
5 11 (4.17%) Public Sector
5 11 (4.17%) Retail
6 6 (2.27%) Legal
7 5 (1.89%) Aerospace
7 5 (1.89%) Analytical Skills
8 4 (1.52%) Influencing Skills
9 3 (1.14%) Retail Banking
10 2 (0.76%) Financial Institution
10 2 (0.76%) Front Office
10 2 (0.76%) Marketing
10 2 (0.76%) Organisational Skills
11 1 (0.38%) Billing
Libraries, Frameworks & Software Standards
1 34 (12.88%) Kafka
2 29 (10.98%) Spring
3 28 (10.61%) Spring Boot
4 27 (10.23%) Terraform
5 17 (6.44%) React
6 13 (4.92%) .NET
7 9 (3.41%) Node.js
8 6 (2.27%) Boost C++ Libraries
8 6 (2.27%) FIX Protocol
8 6 (2.27%) pytest
9 5 (1.89%) ADO
9 5 (1.89%) REST
9 5 (1.89%) YAML
10 4 (1.52%) .NET Framework
10 4 (1.52%) Android Jetpack
10 4 (1.52%) ASP.NET
10 4 (1.52%) ASP.NET Core
10 4 (1.52%) ASP.NET Web API
10 4 (1.52%) Entity Framework
10 4 (1.52%) RabbitMQ
Miscellaneous
1 59 (22.35%) Cloud Native
2 41 (15.53%) Distributed Systems
3 29 (10.98%) Enterprise Software
4 22 (8.33%) Public Cloud
5 20 (7.58%) e-Learning
6 10 (3.79%) Data Centre
7 9 (3.41%) AI Agents
8 7 (2.65%) Algorithms
8 7 (2.65%) Fixed Income
9 6 (2.27%) Derivative
9 6 (2.27%) Equities
10 5 (1.89%) Management Information System
11 4 (1.52%) Mobile Banking
11 4 (1.52%) Virtual Team
12 3 (1.14%) Cyber Kill Chain
12 3 (1.14%) Insider Threat
12 3 (1.14%) Life Science
13 2 (0.76%) Distributed Computing
13 2 (0.76%) Legacy Systems
13 2 (0.76%) Mobile Wallet
Operating Systems
1 21 (7.95%) Linux
2 6 (2.27%) Windows
3 5 (1.89%) CentOS
3 5 (1.89%) Red Hat Enterprise Linux
3 5 (1.89%) VMS
4 4 (1.52%) Android
5 3 (1.14%) Ubuntu
6 2 (0.76%) Windows Server
Processes & Methodologies
1 96 (36.36%) Software Engineering
2 72 (27.27%) CI/CD
2 72 (27.27%) Technical Leadership
3 64 (24.24%) Infrastructure as Code
4 61 (23.11%) Mentoring
5 53 (20.08%) Agile
5 53 (20.08%) AI
5 53 (20.08%) Microservices
6 40 (15.15%) Data Engineering
7 37 (14.02%) Test Automation
8 34 (12.88%) DevOps
9 31 (11.74%) Analytics
10 28 (10.61%) Coaching
10 28 (10.61%) Continuous Improvement
10 28 (10.61%) Event-Driven
11 26 (9.85%) Architectural Patterns
12 25 (9.47%) Roadmaps
12 25 (9.47%) Workflow
13 23 (8.71%) Observability
14 21 (7.95%) End-to-End Testing
Programming Languages
1 59 (22.35%) Java
2 43 (16.29%) SQL
3 39 (14.77%) Python
4 26 (9.85%) TypeScript
5 18 (6.82%) JavaScript
6 15 (5.68%) C#
7 6 (2.27%) C++
8 5 (1.89%) PowerShell
9 4 (1.52%) Go
9 4 (1.52%) Kotlin
10 3 (1.14%) Rust
11 2 (0.76%) R
11 2 (0.76%) Ruby
11 2 (0.76%) Scala
Qualifications
1 37 (14.02%) Security Cleared
2 36 (13.64%) SC Cleared
3 20 (7.58%) AWS Certification
3 20 (7.58%) AWS Certified Solutions Architect
4 17 (6.44%) Degree
5 16 (6.06%) DV Cleared
6 7 (2.65%) PhD
7 3 (1.14%) BPSS Clearance
7 3 (1.14%) Chartered Engineer
7 3 (1.14%) HND
8 2 (0.76%) CEH
8 2 (0.76%) CISSP
8 2 (0.76%) CompTIA Security+
8 2 (0.76%) Computer Science Degree
8 2 (0.76%) DBS Check
8 2 (0.76%) GIAC
8 2 (0.76%) Microsoft Certified Professional
9 1 (0.38%) CCIE
9 1 (0.38%) Cisco Certification
9 1 (0.38%) Microsoft Certification
Quality Assurance & Compliance
1 9 (3.41%) QA
2 8 (3.03%) Data Quality
3 5 (1.89%) GDPR
4 3 (1.14%) NCSC
4 3 (1.14%) NIST
5 2 (0.76%) ISO/IEC 27001
5 2 (0.76%) PCI DSS
5 2 (0.76%) PSD2
6 1 (0.38%) Accessibility
6 1 (0.38%) RMADS
System Software
1 15 (5.68%) Docker
2 10 (3.79%) Active Directory
3 2 (0.76%) 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 (10.61%) Kubernetes
2 11 (4.17%) Ansible
3 4 (1.52%) Single Sign-On
4 3 (1.14%) Microsoft Intune
4 3 (1.14%) SCCM
5 2 (0.76%) Grafana
5 2 (0.76%) Prometheus
6 1 (0.38%) Argo
6 1 (0.38%) SCOM
Vendors
1 24 (9.09%) Microsoft
2 16 (6.06%) Palantir
3 10 (3.79%) VMware
4 9 (3.41%) Google
5 5 (1.89%) Databricks
6 4 (1.52%) Red Hat
7 3 (1.14%) OpenAI
8 2 (0.76%) Cisco
8 2 (0.76%) Darktrace
8 2 (0.76%) Zscaler
9 1 (0.38%) Fortinet
9 1 (0.38%) Informatica
9 1 (0.38%) Juniper
9 1 (0.38%) MuleSoft
9 1 (0.38%) Oracle
9 1 (0.38%) Palo Alto
9 1 (0.38%) Salesforce
9 1 (0.38%) Sitecore
9 1 (0.38%) Talend