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 11 September 2026.

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

6 months to
11 Sep 2026
Same period 2025 Same period 2024
Rank 197 305 279
Rank change year-on-year +108 -26 +47
Permanent jobs requiring a Principal Engineer 283 81 199
As % of all permanent jobs in London 1.14% 0.68% 1.04%
As % of the Job Titles category 1.23% 0.74% 1.09%
Number of salaries quoted 209 57 139
10th Percentile £81,250 £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 £130,500 £147,500
England median annual salary £90,000 £77,500 £75,000
% change year-on-year +16.13% +3.33% -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 22,980 10,945 18,328
% of permanent jobs with a recognized job title 92.77% 91.25% 95.42%
Number of salaries quoted 15,854 7,137 11,798
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 £58,000 £55,000 £55,000
% change year-on-year +5.45% - -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 11 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 11 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 +28 40 £90,000 -20.00% 21
West London - 15 £95,000 - 9
South London +6 11 £95,000 +18.75%
Principal Engineer
England

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

For the 6 months to 11 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.

1 103 (36.40%) Software Engineering
2 73 (25.80%) AWS
2 73 (25.80%) CI/CD
3 72 (25.44%) Technical Leadership
4 67 (23.67%) Infrastructure as Code
5 62 (21.91%) Mentoring
6 58 (20.49%) Java
7 55 (19.43%) Agile
7 55 (19.43%) AI
8 54 (19.08%) Microservices
9 53 (18.73%) Azure
10 45 (15.90%) SQL
11 40 (14.13%) Security Cleared
11 40 (14.13%) Test Automation
12 39 (13.78%) Data Engineering
12 39 (13.78%) SC Cleared
13 37 (13.07%) Kafka
13 37 (13.07%) Python
14 36 (12.72%) DevOps
15 33 (11.66%) GitLab
16 31 (10.95%) Event-Driven
16 31 (10.95%) Spring
17 30 (10.60%) Coaching
17 30 (10.60%) Spring Boot
18 29 (10.25%) Architectural Patterns
19 28 (9.89%) Analytics
19 28 (9.89%) Continuous Improvement
19 28 (9.89%) Kubernetes
19 28 (9.89%) Terraform
20 27 (9.54%) 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 6 (2.12%) 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 (0.71%) Microsoft PowerPoint
Cloud Services
1 73 (25.80%) AWS
2 53 (18.73%) Azure
3 26 (9.19%) GCP
4 23 (8.13%) AWS CloudFormation
5 14 (4.95%) GitHub
6 11 (3.89%) Anthropic Claude
7 8 (2.83%) Azure DevOps
7 8 (2.83%) Entra ID
7 8 (2.83%) GitHub Copilot
8 6 (2.12%) dbt
8 6 (2.12%) SaaS
8 6 (2.12%) Serverless
9 5 (1.77%) Amazon S3
9 5 (1.77%) Azure Cosmos DB
9 5 (1.77%) Azure Key Vault
9 5 (1.77%) Azure Logic Apps
9 5 (1.77%) Azure Monitor
9 5 (1.77%) Azure Sentinel
9 5 (1.77%) Azure Service Bus
9 5 (1.77%) Snowflake
Communications & Networking
1 7 (2.47%) Multicast
2 5 (1.77%) Firewall
3 4 (1.41%) Broadband
3 4 (1.41%) WAN
4 3 (1.06%) LAN
4 3 (1.06%) WLAN
5 2 (0.71%) DNS
5 2 (0.71%) 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 (8.83%) NoSQL
2 7 (2.47%) BigQuery
2 7 (2.47%) Semantic Layer
3 6 (2.12%) GIS
4 5 (1.77%) Azure SQL Database
4 5 (1.77%) Data Warehouse
4 5 (1.77%) PostgreSQL
5 4 (1.41%) MongoDB
6 3 (1.06%) Amazon RDS
6 3 (1.06%) Data Lake
7 2 (0.71%) Apache Cassandra
7 2 (0.71%) Apache Iceberg
7 2 (0.71%) Big Data
7 2 (0.71%) Couchbase
7 2 (0.71%) Pinecone
7 2 (0.71%) Scylla
8 1 (0.35%) Apache Hudi
8 1 (0.35%) DynamoDB
8 1 (0.35%) Metadata
8 1 (0.35%) Relational Database
Development Applications
1 33 (11.66%) GitLab
2 22 (7.77%) Cucumber
3 10 (3.53%) Jenkins
4 8 (2.83%) Claude Code
5 7 (2.47%) JIRA
6 6 (2.12%) Git
7 5 (1.77%) 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 67 (23.67%) Finance
2 25 (8.83%) Social Skills
3 19 (6.71%) Banking
4 11 (3.89%) Inclusion and Diversity
4 11 (3.89%) Public Sector
4 11 (3.89%) Retail
5 10 (3.53%) Law
6 8 (2.83%) Aerospace
7 7 (2.47%) Legal
8 5 (1.77%) Financial Institution
9 3 (1.06%) Analytical Skills
9 3 (1.06%) Influencing Skills
9 3 (1.06%) Retail Banking
10 2 (0.71%) Front Office
10 2 (0.71%) Marketing
10 2 (0.71%) Organisational Skills
11 1 (0.35%) Billing
11 1 (0.35%) Presentation Skills
Libraries, Frameworks & Software Standards
1 37 (13.07%) Kafka
2 31 (10.95%) Spring
3 30 (10.60%) Spring Boot
4 28 (9.89%) Terraform
5 16 (5.65%) React
6 12 (4.24%) .NET
7 8 (2.83%) Node.js
8 6 (2.12%) Boost C++ Libraries
8 6 (2.12%) FIX Protocol
8 6 (2.12%) pytest
8 6 (2.12%) REST
9 5 (1.77%) ADO
9 5 (1.77%) YAML
10 4 (1.41%) .NET Framework
10 4 (1.41%) ASP.NET
10 4 (1.41%) ASP.NET Core
10 4 (1.41%) ASP.NET Web API
10 4 (1.41%) CrewAI
10 4 (1.41%) Entity Framework
10 4 (1.41%) RabbitMQ
Miscellaneous
1 61 (21.55%) Cloud Native
2 43 (15.19%) Distributed Systems
3 32 (11.31%) Enterprise Software
4 24 (8.48%) Public Cloud
5 22 (7.77%) e-Learning
6 11 (3.89%) AI Agents
6 11 (3.89%) Data Centre
7 7 (2.47%) Algorithms
7 7 (2.47%) Fixed Income
8 6 (2.12%) Derivative
8 6 (2.12%) Equities
9 5 (1.77%) Management Information System
10 4 (1.41%) Virtual Team
11 3 (1.06%) Cyber Kill Chain
11 3 (1.06%) Insider Threat
11 3 (1.06%) Life Science
12 2 (0.71%) Distributed Computing
12 2 (0.71%) Legacy Systems
12 2 (0.71%) Mobile Banking
12 2 (0.71%) Mobile Wallet
Operating Systems
1 22 (7.77%) Linux
2 6 (2.12%) Windows
3 5 (1.77%) CentOS
3 5 (1.77%) Red Hat Enterprise Linux
3 5 (1.77%) VMS
4 3 (1.06%) Ubuntu
5 2 (0.71%) Android
5 2 (0.71%) Windows Server
Processes & Methodologies
1 103 (36.40%) Software Engineering
2 73 (25.80%) CI/CD
3 72 (25.44%) Technical Leadership
4 67 (23.67%) Infrastructure as Code
5 62 (21.91%) Mentoring
6 55 (19.43%) Agile
6 55 (19.43%) AI
7 54 (19.08%) Microservices
8 40 (14.13%) Test Automation
9 39 (13.78%) Data Engineering
10 36 (12.72%) DevOps
11 31 (10.95%) Event-Driven
12 30 (10.60%) Coaching
13 29 (10.25%) Architectural Patterns
14 28 (9.89%) Analytics
14 28 (9.89%) Continuous Improvement
15 25 (8.83%) End-to-End Testing
16 24 (8.48%) Observability
16 24 (8.48%) Roadmaps
16 24 (8.48%) Workflow
Programming Languages
1 58 (20.49%) Java
2 45 (15.90%) SQL
3 37 (13.07%) Python
4 27 (9.54%) TypeScript
5 17 (6.01%) JavaScript
6 16 (5.65%) C#
7 6 (2.12%) C++
8 5 (1.77%) PowerShell
9 3 (1.06%) Go
9 3 (1.06%) R
9 3 (1.06%) Rust
10 2 (0.71%) Kotlin
10 2 (0.71%) Ruby
10 2 (0.71%) Scala
Qualifications
1 40 (14.13%) Security Cleared
2 39 (13.78%) SC Cleared
3 22 (7.77%) AWS Certification
3 22 (7.77%) AWS Certified Solutions Architect
4 16 (5.65%) DV Cleared
5 15 (5.30%) Degree
6 5 (1.77%) PhD
7 3 (1.06%) BPSS Clearance
7 3 (1.06%) Chartered Engineer
7 3 (1.06%) HND
8 2 (0.71%) CEH
8 2 (0.71%) CISSP
8 2 (0.71%) CompTIA Security+
8 2 (0.71%) Computer Science Degree
8 2 (0.71%) DBS Check
8 2 (0.71%) GIAC
8 2 (0.71%) 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 (3.89%) QA
2 8 (2.83%) Data Quality
3 5 (1.77%) GDPR
4 3 (1.06%) NCSC
4 3 (1.06%) NIST
5 2 (0.71%) ISO/IEC 27001
5 2 (0.71%) PCI DSS
5 2 (0.71%) PSD2
6 1 (0.35%) Accessibility
6 1 (0.35%) RMADS
System Software
1 15 (5.30%) Docker
2 10 (3.53%) Active Directory
3 2 (0.71%) 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 28 (9.89%) Kubernetes
2 11 (3.89%) Ansible
3 4 (1.41%) Single Sign-On
4 3 (1.06%) Microsoft Intune
4 3 (1.06%) SCCM
5 2 (0.71%) Grafana
5 2 (0.71%) Prometheus
6 1 (0.35%) Argo
6 1 (0.35%) SCOM
Vendors
1 25 (8.83%) Microsoft
2 16 (5.65%) Palantir
3 10 (3.53%) VMware
4 8 (2.83%) Google
5 5 (1.77%) Databricks
5 5 (1.77%) Salesforce
6 4 (1.41%) MuleSoft
6 4 (1.41%) Red Hat
7 3 (1.06%) OpenAI
8 2 (0.71%) Cisco
8 2 (0.71%) Darktrace
8 2 (0.71%) Zscaler
9 1 (0.35%) Fortinet
9 1 (0.35%) Juniper
9 1 (0.35%) Palo Alto
9 1 (0.35%) Sitecore