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 20 August 2026.

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

6 months to
20 Aug 2026
Same period 2025 Same period 2024
Rank 210 323 276
Rank change year-on-year +113 -47 +47
Permanent jobs requiring a Principal Engineer 260 67 205
As % of all permanent jobs in London 1.09% 0.55% 1.05%
As % of the Job Titles category 1.17% 0.60% 1.11%
Number of salaries quoted 191 46 147
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 £96,000
Median % change year-on-year -9.09% +14.58% -12.73%
75th Percentile - £119,688 £116,250
90th Percentile £130,000 £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 22,237 11,129 18,535
% of permanent jobs with a recognized job title 92.92% 91.72% 95.16%
Number of salaries quoted 15,200 7,207 12,668
10th Percentile £40,000 £38,500 £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% -1.77%
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 20 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 20 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 +31 46 £90,000 -20.00% 7
South London +10 10 £95,000 +18.75% 3
West London - 8 £90,000 - 8
Principal Engineer
England

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

For the 6 months to 20 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 98 (37.69%) Software Engineering
2 72 (27.69%) CI/CD
3 71 (27.31%) AWS
3 71 (27.31%) Technical Leadership
4 64 (24.62%) Infrastructure as Code
5 60 (23.08%) Mentoring
6 56 (21.54%) Java
7 53 (20.38%) AI
7 53 (20.38%) Azure
7 53 (20.38%) Microservices
8 52 (20.00%) Agile
9 42 (16.15%) SQL
10 40 (15.38%) Python
11 39 (15.00%) Data Engineering
12 36 (13.85%) Test Automation
13 35 (13.46%) DevOps
13 35 (13.46%) Security Cleared
14 34 (13.08%) SC Cleared
15 33 (12.69%) Kafka
16 31 (11.92%) Analytics
17 29 (11.15%) Continuous Improvement
17 29 (11.15%) GitLab
17 29 (11.15%) Kubernetes
18 28 (10.77%) GCP
18 28 (10.77%) Spring
19 27 (10.38%) Coaching
19 27 (10.38%) Event-Driven
19 27 (10.38%) Spring Boot
19 27 (10.38%) Terraform
20 26 (10.00%) Roadmaps

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 (2.31%) Camunda
2 4 (1.54%) Apache Airflow
3 2 (0.77%) Apache Spark
4 1 (0.38%) CMS
4 1 (0.38%) Confluence
4 1 (0.38%) Sitecore CMS
Applications
1 2 (0.77%) Microsoft PowerPoint
Cloud Services
1 71 (27.31%) AWS
2 53 (20.38%) Azure
3 28 (10.77%) GCP
4 20 (7.69%) AWS CloudFormation
5 14 (5.38%) GitHub
6 9 (3.46%) Anthropic Claude
6 9 (3.46%) GitHub Copilot
7 8 (3.08%) Azure DevOps
7 8 (3.08%) Entra ID
8 7 (2.69%) dbt
9 6 (2.31%) SaaS
9 6 (2.31%) Serverless
10 5 (1.92%) Amazon S3
10 5 (1.92%) Azure Cosmos DB
10 5 (1.92%) Azure Key Vault
10 5 (1.92%) Azure Logic Apps
10 5 (1.92%) Azure Monitor
10 5 (1.92%) Azure Sentinel
10 5 (1.92%) Azure Service Bus
10 5 (1.92%) Snowflake
Communications & Networking
1 7 (2.69%) Multicast
2 5 (1.92%) Firewall
3 4 (1.54%) Broadband
3 4 (1.54%) WAN
4 3 (1.15%) LAN
4 3 (1.15%) WLAN
5 2 (0.77%) DNS
5 2 (0.77%) 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 21 (8.08%) NoSQL
2 9 (3.46%) BigQuery
3 8 (3.08%) Semantic Layer
4 6 (2.31%) GIS
4 6 (2.31%) PostgreSQL
5 5 (1.92%) Azure SQL Database
5 5 (1.92%) MongoDB
6 4 (1.54%) Data Lake
7 3 (1.15%) Amazon RDS
7 3 (1.15%) Big Data
8 2 (0.77%) Apache Cassandra
8 2 (0.77%) Apache Iceberg
8 2 (0.77%) Data Warehouse
8 2 (0.77%) DynamoDB
8 2 (0.77%) Pinecone
9 1 (0.38%) Amazon Athena
9 1 (0.38%) Amazon QuickSight
9 1 (0.38%) Apache Hudi
9 1 (0.38%) Delta Lake
9 1 (0.38%) Metadata
Development Applications
1 29 (11.15%) GitLab
2 19 (7.31%) Cucumber
3 9 (3.46%) Claude Code
3 9 (3.46%) Jenkins
4 7 (2.69%) JIRA
5 6 (2.31%) Git
6 5 (1.92%) Atlassian Bamboo
7 1 (0.38%) Artifactory
7 1 (0.38%) Jaeger
7 1 (0.38%) Selenium
General
1 66 (25.38%) Finance
2 20 (7.69%) Social Skills
3 18 (6.92%) Banking
4 12 (4.62%) Law
5 11 (4.23%) Inclusion and Diversity
5 11 (4.23%) Public Sector
5 11 (4.23%) Retail
6 6 (2.31%) Legal
7 5 (1.92%) Analytical Skills
8 4 (1.54%) Aerospace
8 4 (1.54%) Influencing Skills
9 3 (1.15%) Retail Banking
10 2 (0.77%) Financial Institution
10 2 (0.77%) Front Office
10 2 (0.77%) Marketing
10 2 (0.77%) Organisational Skills
11 1 (0.38%) Billing
Libraries, Frameworks & Software Standards
1 33 (12.69%) Kafka
2 28 (10.77%) Spring
3 27 (10.38%) Spring Boot
3 27 (10.38%) Terraform
4 17 (6.54%) React
5 13 (5.00%) .NET
6 10 (3.85%) Node.js
7 6 (2.31%) Boost C++ Libraries
7 6 (2.31%) FIX Protocol
7 6 (2.31%) pytest
8 5 (1.92%) ADO
8 5 (1.92%) REST
8 5 (1.92%) YAML
9 4 (1.54%) .NET Framework
9 4 (1.54%) Android Jetpack
9 4 (1.54%) ASP.NET
9 4 (1.54%) ASP.NET Core
9 4 (1.54%) ASP.NET Web API
9 4 (1.54%) Entity Framework
9 4 (1.54%) RabbitMQ
Miscellaneous
1 58 (22.31%) Cloud Native
2 42 (16.15%) Distributed Systems
3 28 (10.77%) Enterprise Software
4 21 (8.08%) Public Cloud
5 19 (7.31%) e-Learning
6 10 (3.85%) Data Centre
7 9 (3.46%) AI Agents
8 8 (3.08%) Algorithms
9 7 (2.69%) Fixed Income
10 6 (2.31%) Derivative
10 6 (2.31%) Equities
11 5 (1.92%) Management Information System
12 4 (1.54%) Mobile Banking
12 4 (1.54%) Virtual Team
13 3 (1.15%) Cyber Kill Chain
13 3 (1.15%) Insider Threat
13 3 (1.15%) Life Science
14 2 (0.77%) Distributed Computing
14 2 (0.77%) Legacy Systems
14 2 (0.77%) Mobile Wallet
Operating Systems
1 21 (8.08%) Linux
2 6 (2.31%) Windows
3 5 (1.92%) CentOS
3 5 (1.92%) Red Hat Enterprise Linux
3 5 (1.92%) VMS
4 4 (1.54%) Android
5 3 (1.15%) Ubuntu
6 2 (0.77%) Windows Server
Processes & Methodologies
1 98 (37.69%) Software Engineering
2 72 (27.69%) CI/CD
3 71 (27.31%) Technical Leadership
4 64 (24.62%) Infrastructure as Code
5 60 (23.08%) Mentoring
6 53 (20.38%) AI
6 53 (20.38%) Microservices
7 52 (20.00%) Agile
8 39 (15.00%) Data Engineering
9 36 (13.85%) Test Automation
10 35 (13.46%) DevOps
11 31 (11.92%) Analytics
12 29 (11.15%) Continuous Improvement
13 27 (10.38%) Coaching
13 27 (10.38%) Event-Driven
14 26 (10.00%) Roadmaps
15 25 (9.62%) Architectural Patterns
16 24 (9.23%) Observability
16 24 (9.23%) Workflow
17 20 (7.69%) End-to-End Testing
Programming Languages
1 56 (21.54%) Java
2 42 (16.15%) SQL
3 40 (15.38%) Python
4 26 (10.00%) TypeScript
5 18 (6.92%) JavaScript
6 15 (5.77%) C#
7 6 (2.31%) C++
8 5 (1.92%) Go
8 5 (1.92%) PowerShell
9 4 (1.54%) Kotlin
10 3 (1.15%) Rust
11 2 (0.77%) R
11 2 (0.77%) Ruby
11 2 (0.77%) Scala
Qualifications
1 35 (13.46%) Security Cleared
2 34 (13.08%) SC Cleared
3 19 (7.31%) AWS Certification
3 19 (7.31%) AWS Certified Solutions Architect
4 18 (6.92%) Degree
5 16 (6.15%) DV Cleared
6 7 (2.69%) PhD
7 3 (1.15%) BPSS Clearance
7 3 (1.15%) Chartered Engineer
7 3 (1.15%) Computer Science Degree
7 3 (1.15%) HND
8 2 (0.77%) CEH
8 2 (0.77%) CISSP
8 2 (0.77%) CompTIA Security+
8 2 (0.77%) DBS Check
8 2 (0.77%) GIAC
8 2 (0.77%) 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 (3.46%) QA
2 8 (3.08%) Data Quality
3 5 (1.92%) GDPR
4 3 (1.15%) NCSC
4 3 (1.15%) NIST
5 2 (0.77%) ISO/IEC 27001
5 2 (0.77%) PCI DSS
5 2 (0.77%) PSD2
6 1 (0.38%) Accessibility
6 1 (0.38%) RMADS
System Software
1 16 (6.15%) Docker
2 10 (3.85%) Active Directory
3 2 (0.77%) 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 29 (11.15%) Kubernetes
2 11 (4.23%) Ansible
3 4 (1.54%) Single Sign-On
4 3 (1.15%) Microsoft Intune
4 3 (1.15%) Prometheus
4 3 (1.15%) SCCM
5 2 (0.77%) Grafana
6 1 (0.38%) Argo
6 1 (0.38%) SCOM
Vendors
1 24 (9.23%) Microsoft
2 16 (6.15%) Palantir
3 10 (3.85%) Google
3 10 (3.85%) VMware
4 5 (1.92%) Databricks
5 4 (1.54%) Red Hat
6 3 (1.15%) OpenAI
7 2 (0.77%) Cisco
7 2 (0.77%) Darktrace
7 2 (0.77%) Zscaler
8 1 (0.38%) Fortinet
8 1 (0.38%) Informatica
8 1 (0.38%) Juniper
8 1 (0.38%) MuleSoft
8 1 (0.38%) Oracle
8 1 (0.38%) Palo Alto
8 1 (0.38%) Salesforce
8 1 (0.38%) Sitecore
8 1 (0.38%) Talend