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 8 October 2026.

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

6 months to
8 Oct 2026
Same period 2025 Same period 2024
Rank 182 303 265
Rank change year-on-year +121 -38 +65
Permanent jobs requiring a Principal Engineer 318 87 199
As % of all permanent jobs in London 1.23% 0.74% 1.08%
As % of the Job Titles category 1.33% 0.81% 1.13%
Number of salaries quoted 216 64 140
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% -4.76%
75th Percentile - £120,000 £116,250
90th Percentile £110,000 £137,500 £147,500
England median annual salary £90,000 £80,000 £75,000
% change year-on-year +12.50% +6.67% -14.29%

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 23,914 10,723 17,624
% of permanent jobs with a recognized job title 92.46% 90.93% 95.36%
Number of salaries quoted 16,022 6,937 10,885
10th Percentile £40,000 £36,250 £40,000
25th Percentile £55,000 £51,250 £52,500
Median annual salary (50th Percentile) £75,000 £72,500 £73,000
Median % change year-on-year +3.45% -0.68% -2.67%
75th Percentile £100,000 £96,000 £95,000
90th Percentile - £120,000 £119,071
England median annual salary £59,250 £55,000 £55,000
% change year-on-year +7.73% - -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 8 October 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 8 October 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 +22 31 £90,000 -20.00% 30
West London - 15 £95,000 - 3
South London +8 12 £95,000 +22.58% 2
Principal Engineer
England

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

For the 6 months to 8 October 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.

1 130 (40.88%) Software Engineering
2 82 (25.79%) AWS
3 81 (25.47%) CI/CD
4 78 (24.53%) Technical Leadership
5 69 (21.70%) Infrastructure as Code
5 69 (21.70%) Java
6 66 (20.75%) Mentoring
7 60 (18.87%) Agile
8 56 (17.61%) Microservices
9 52 (16.35%) Azure
10 51 (16.04%) AI
11 49 (15.41%) SQL
11 49 (15.41%) Test Automation
12 42 (13.21%) Security Cleared
13 41 (12.89%) Kafka
13 41 (12.89%) SC Cleared
13 41 (12.89%) Spring
14 39 (12.26%) Data Engineering
14 39 (12.26%) DevOps
14 39 (12.26%) Spring Boot
15 36 (11.32%) Event-Driven
15 36 (11.32%) GitLab
16 35 (11.01%) Coaching
17 34 (10.69%) Architectural Patterns
18 33 (10.38%) Python
19 29 (9.12%) BDD
19 29 (9.12%) End-to-End Testing
19 29 (9.12%) Kubernetes
19 29 (9.12%) NoSQL
19 29 (9.12%) Platform Engineering

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 7 (2.20%) Camunda
2 3 (0.94%) Apache Airflow
3 1 (0.31%) Apache Spark
3 1 (0.31%) CMS
3 1 (0.31%) Confluence
3 1 (0.31%) Drupal
3 1 (0.31%) Sitecore CMS
3 1 (0.31%) Umbraco
Business Applications
1 1 (0.31%) Misys Midas
Cloud Services
1 82 (25.79%) AWS
2 52 (16.35%) Azure
3 28 (8.81%) GCP
4 27 (8.49%) AWS CloudFormation
5 13 (4.09%) GitHub
6 9 (2.83%) Azure DevOps
7 8 (2.52%) Serverless
8 7 (2.20%) Amazon S3
8 7 (2.20%) Anthropic Claude
8 7 (2.20%) SaaS
9 6 (1.89%) AWS Lambda
9 6 (1.89%) dbt
9 6 (1.89%) Entra ID
9 6 (1.89%) GitHub Copilot
10 5 (1.57%) Amazon EventBridge
10 5 (1.57%) Azure Cosmos DB
10 5 (1.57%) Azure Monitor
10 5 (1.57%) Azure Sentinel
10 5 (1.57%) Azure Service Bus
10 5 (1.57%) Snowflake
Communications & Networking
1 6 (1.89%) Multicast
2 4 (1.26%) Broadband
3 2 (0.63%) DNS
3 2 (0.63%) Firewall
3 2 (0.63%) Unified Communications
4 1 (0.31%) BGP
4 1 (0.31%) DHCP
4 1 (0.31%) Internet
4 1 (0.31%) IPv6
4 1 (0.31%) LAN
4 1 (0.31%) MPLS
4 1 (0.31%) OSPF
4 1 (0.31%) VPN
4 1 (0.31%) VSAN
4 1 (0.31%) WAN
4 1 (0.31%) WLAN
Database & Business Intelligence
1 29 (9.12%) NoSQL
2 8 (2.52%) Data Warehouse
3 7 (2.20%) BigQuery
3 7 (2.20%) Semantic Layer
4 6 (1.89%) GIS
5 5 (1.57%) Amazon RDS
5 5 (1.57%) Azure SQL Database
5 5 (1.57%) PostgreSQL
6 4 (1.26%) MongoDB
7 3 (0.94%) Data Lake
8 2 (0.63%) Apache Cassandra
8 2 (0.63%) Apache Iceberg
8 2 (0.63%) Big Data
8 2 (0.63%) Couchbase
8 2 (0.63%) Pinecone
8 2 (0.63%) Scylla
9 1 (0.31%) Apache Hudi
9 1 (0.31%) DynamoDB
9 1 (0.31%) Snowflake Schema
9 1 (0.31%) Trino
Development Applications
1 36 (11.32%) GitLab
2 26 (8.18%) Cucumber
3 11 (3.46%) Jenkins
4 7 (2.20%) Git
5 6 (1.89%) Atlassian Bamboo
5 6 (1.89%) Claude Code
5 6 (1.89%) JIRA
6 2 (0.63%) JUnit
6 2 (0.63%) Mockito
7 1 (0.31%) Artifactory
7 1 (0.31%) Newman
7 1 (0.31%) Postman
7 1 (0.31%) REST Assured
General
1 77 (24.21%) Finance
2 30 (9.43%) Social Skills
3 21 (6.60%) Banking
4 12 (3.77%) Aerospace
5 11 (3.46%) Inclusion and Diversity
5 11 (3.46%) Public Sector
6 9 (2.83%) Legal
7 8 (2.52%) Financial Institution
8 7 (2.20%) Law
8 7 (2.20%) Retail
9 4 (1.26%) Influencing Skills
9 4 (1.26%) Retail Banking
10 3 (0.94%) Analytical Skills
10 3 (0.94%) Marketing
11 2 (0.63%) Front Office
11 2 (0.63%) Organisational Skills
12 1 (0.31%) Aviation
12 1 (0.31%) Billing
12 1 (0.31%) Presentation Skills
Libraries, Frameworks & Software Standards
1 41 (12.89%) Kafka
1 41 (12.89%) Spring
2 39 (12.26%) Spring Boot
3 27 (8.49%) Terraform
4 17 (5.35%) React
5 14 (4.40%) .NET
6 9 (2.83%) Node.js
7 6 (1.89%) Next.js
7 6 (1.89%) REST
8 5 (1.57%) ADO
8 5 (1.57%) Boost C++ Libraries
8 5 (1.57%) FIX Protocol
8 5 (1.57%) pytest
8 5 (1.57%) YAML
9 4 (1.26%) .NET Framework
9 4 (1.26%) ASP.NET
9 4 (1.26%) ASP.NET Core
9 4 (1.26%) ASP.NET Web API
9 4 (1.26%) Entity Framework
9 4 (1.26%) LangChain
Miscellaneous
1 66 (20.75%) Cloud Native
2 48 (15.09%) Distributed Systems
3 35 (11.01%) Enterprise Software
4 27 (8.49%) Public Cloud
5 26 (8.18%) e-Learning
6 12 (3.77%) AI Agents
7 6 (1.89%) Algorithms
7 6 (1.89%) Fixed Income
8 5 (1.57%) Data Centre
8 5 (1.57%) Derivative
8 5 (1.57%) Equities
8 5 (1.57%) Management Information System
9 4 (1.26%) Virtual Team
10 3 (0.94%) Cyber Kill Chain
10 3 (0.94%) Insider Threat
10 3 (0.94%) Legacy Systems
10 3 (0.94%) Life Science
11 2 (0.63%) Distributed Computing
11 2 (0.63%) Mobile Wallet
11 2 (0.63%) Security Operations Centre
Operating Systems
1 18 (5.66%) Linux
2 6 (1.89%) CentOS
2 6 (1.89%) Red Hat Enterprise Linux
2 6 (1.89%) Windows
3 5 (1.57%) VMS
4 2 (0.63%) Windows Server
5 1 (0.31%) Android
5 1 (0.31%) Ubuntu
Processes & Methodologies
1 130 (40.88%) Software Engineering
2 81 (25.47%) CI/CD
3 78 (24.53%) Technical Leadership
4 69 (21.70%) Infrastructure as Code
5 66 (20.75%) Mentoring
6 60 (18.87%) Agile
7 56 (17.61%) Microservices
8 51 (16.04%) AI
9 49 (15.41%) Test Automation
10 39 (12.26%) Data Engineering
10 39 (12.26%) DevOps
11 36 (11.32%) Event-Driven
12 35 (11.01%) Coaching
13 34 (10.69%) Architectural Patterns
14 29 (9.12%) BDD
14 29 (9.12%) End-to-End Testing
14 29 (9.12%) Platform Engineering
15 26 (8.18%) CQRS
15 26 (8.18%) Infrastructure Management
15 26 (8.18%) Performance Testing
Programming Languages
1 69 (21.70%) Java
2 49 (15.41%) SQL
3 33 (10.38%) Python
4 28 (8.81%) TypeScript
5 19 (5.97%) C#
6 17 (5.35%) JavaScript
7 5 (1.57%) C++
7 5 (1.57%) PowerShell
7 5 (1.57%) R
8 3 (0.94%) Go
8 3 (0.94%) Rust
9 2 (0.63%) Ruby
9 2 (0.63%) Scala
10 1 (0.31%) Apex Code
10 1 (0.31%) Kotlin
10 1 (0.31%) PHP
Qualifications
1 42 (13.21%) Security Cleared
2 41 (12.89%) SC Cleared
3 26 (8.18%) AWS Certification
3 26 (8.18%) AWS Certified Solutions Architect
4 13 (4.09%) DV Cleared
5 12 (3.77%) Degree
6 4 (1.26%) Chartered Engineer
6 4 (1.26%) HND
7 3 (0.94%) BPSS Clearance
7 3 (0.94%) Computer Science Degree
8 2 (0.63%) CEH
8 2 (0.63%) CISSP
8 2 (0.63%) CompTIA Security+
8 2 (0.63%) DBS Check
8 2 (0.63%) GIAC
8 2 (0.63%) Microsoft Certified Professional
9 1 (0.31%) CCIE
9 1 (0.31%) Cisco Certification
9 1 (0.31%) HNC
9 1 (0.31%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.14%) QA
2 9 (2.83%) Data Quality
3 5 (1.57%) GDPR
4 3 (0.94%) NIST
5 2 (0.63%) ISO/IEC 27001
5 2 (0.63%) NCSC
5 2 (0.63%) PCI DSS
5 2 (0.63%) PSD2
6 1 (0.31%) Accessibility
6 1 (0.31%) Def Stans
6 1 (0.31%) HAZOP
6 1 (0.31%) IEC 61508
6 1 (0.31%) RMADS
System Software
1 17 (5.35%) Docker
2 8 (2.52%) Active Directory
3 2 (0.63%) Firmware
3 2 (0.63%) VMware Infrastructure
4 1 (0.31%) Virtual Machines
4 1 (0.31%) VMware ESXi
4 1 (0.31%) VMware NSX
4 1 (0.31%) vSphere
Systems Management
1 29 (9.12%) Kubernetes
2 8 (2.52%) Ansible
3 3 (0.94%) Microsoft Intune
3 3 (0.94%) SCCM
4 2 (0.63%) Argo
4 2 (0.63%) Grafana
4 2 (0.63%) Prometheus
4 2 (0.63%) Single Sign-On
5 1 (0.31%) SCOM
Vendors
1 23 (7.23%) Microsoft
2 16 (5.03%) Palantir
3 8 (2.52%) Google
4 7 (2.20%) Salesforce
5 6 (1.89%) Databricks
5 6 (1.89%) MuleSoft
5 6 (1.89%) VMware
6 3 (0.94%) OpenAI
7 2 (0.63%) Darktrace
7 2 (0.63%) Red Hat
8 1 (0.31%) Cisco
8 1 (0.31%) Foundry
8 1 (0.31%) Sitecore