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 6 October 2026.

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

6 months to
6 Oct 2026
Same period 2025 Same period 2024
Rank 179 292 274
Rank change year-on-year +113 -18 +60
Permanent jobs requiring a Principal Engineer 314 88 198
As % of all permanent jobs in London 1.21% 0.75% 1.07%
As % of the Job Titles category 1.31% 0.83% 1.12%
Number of salaries quoted 217 65 139
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% -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 24,003 10,661 17,613
% of permanent jobs with a recognized job title 92.48% 90.97% 95.33%
Number of salaries quoted 16,104 6,886 10,855
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 £72,500
Median % change year-on-year +3.45% - -3.33%
75th Percentile £100,000 £95,000 £95,000
90th Percentile - £120,000 £120,000
England median annual salary £59,500 £55,000 £55,000
% change year-on-year +8.18% - -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 6 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 6 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 +23 32 £90,000 -20.00% 34
West London - 15 £95,000 - 4
South London +5 12 £95,000 +22.58%
Principal Engineer
England

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

For the 6 months to 6 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.

1 125 (39.81%) Software Engineering
2 81 (25.80%) AWS
3 80 (25.48%) CI/CD
4 79 (25.16%) Technical Leadership
5 69 (21.97%) Infrastructure as Code
6 68 (21.66%) Java
7 65 (20.70%) Mentoring
8 59 (18.79%) Agile
9 55 (17.52%) Microservices
10 53 (16.88%) Azure
11 51 (16.24%) AI
12 48 (15.29%) SQL
12 48 (15.29%) Test Automation
13 43 (13.69%) Security Cleared
14 42 (13.38%) SC Cleared
15 40 (12.74%) Kafka
15 40 (12.74%) Spring
16 39 (12.42%) Data Engineering
16 39 (12.42%) DevOps
17 38 (12.10%) Spring Boot
18 35 (11.15%) Event-Driven
18 35 (11.15%) GitLab
19 34 (10.83%) Coaching
20 33 (10.51%) Architectural Patterns
20 33 (10.51%) Python
21 30 (9.55%) Kubernetes
22 29 (9.24%) TypeScript
23 28 (8.92%) BDD
23 28 (8.92%) End-to-End Testing
23 28 (8.92%) 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 7 (2.23%) Camunda
2 3 (0.96%) Apache Airflow
3 1 (0.32%) Apache Spark
3 1 (0.32%) CMS
3 1 (0.32%) Confluence
3 1 (0.32%) Drupal
3 1 (0.32%) Sitecore CMS
3 1 (0.32%) Umbraco
Business Applications
1 1 (0.32%) Misys Midas
Cloud Services
1 81 (25.80%) AWS
2 53 (16.88%) Azure
3 28 (8.92%) GCP
4 26 (8.28%) AWS CloudFormation
5 13 (4.14%) GitHub
6 9 (2.87%) Azure DevOps
7 8 (2.55%) Serverless
8 7 (2.23%) Amazon S3
8 7 (2.23%) Anthropic Claude
8 7 (2.23%) SaaS
9 6 (1.91%) AWS Lambda
9 6 (1.91%) dbt
9 6 (1.91%) Entra ID
9 6 (1.91%) GitHub Copilot
10 5 (1.59%) Amazon EventBridge
10 5 (1.59%) Azure Cosmos DB
10 5 (1.59%) Azure Monitor
10 5 (1.59%) Azure Sentinel
10 5 (1.59%) Azure Service Bus
10 5 (1.59%) Snowflake
Communications & Networking
1 6 (1.91%) Multicast
2 4 (1.27%) Broadband
3 2 (0.64%) DNS
3 2 (0.64%) Firewall
3 2 (0.64%) Unified Communications
4 1 (0.32%) BGP
4 1 (0.32%) DHCP
4 1 (0.32%) Internet
4 1 (0.32%) IPv6
4 1 (0.32%) LAN
4 1 (0.32%) MPLS
4 1 (0.32%) OSPF
4 1 (0.32%) VPN
4 1 (0.32%) VSAN
4 1 (0.32%) WAN
4 1 (0.32%) WLAN
Database & Business Intelligence
1 28 (8.92%) NoSQL
2 8 (2.55%) Data Warehouse
3 7 (2.23%) BigQuery
3 7 (2.23%) Semantic Layer
4 6 (1.91%) GIS
5 5 (1.59%) Amazon RDS
5 5 (1.59%) Azure SQL Database
5 5 (1.59%) PostgreSQL
6 4 (1.27%) MongoDB
7 3 (0.96%) Data Lake
8 2 (0.64%) Apache Cassandra
8 2 (0.64%) Apache Iceberg
8 2 (0.64%) Big Data
8 2 (0.64%) Couchbase
8 2 (0.64%) Pinecone
8 2 (0.64%) Scylla
9 1 (0.32%) Apache Hudi
9 1 (0.32%) DynamoDB
9 1 (0.32%) Snowflake Schema
9 1 (0.32%) Trino
Development Applications
1 35 (11.15%) GitLab
2 25 (7.96%) Cucumber
3 11 (3.50%) Jenkins
4 7 (2.23%) Git
5 6 (1.91%) Atlassian Bamboo
5 6 (1.91%) Claude Code
5 6 (1.91%) JIRA
6 2 (0.64%) JUnit
6 2 (0.64%) Mockito
7 1 (0.32%) Artifactory
7 1 (0.32%) Newman
7 1 (0.32%) Postman
7 1 (0.32%) REST Assured
General
1 76 (24.20%) Finance
2 30 (9.55%) Social Skills
3 21 (6.69%) Banking
4 11 (3.50%) Aerospace
4 11 (3.50%) Inclusion and Diversity
4 11 (3.50%) Public Sector
5 9 (2.87%) Legal
6 8 (2.55%) Financial Institution
6 8 (2.55%) Retail
7 7 (2.23%) Law
8 4 (1.27%) Influencing Skills
8 4 (1.27%) Retail Banking
9 3 (0.96%) Analytical Skills
9 3 (0.96%) Marketing
10 2 (0.64%) Front Office
10 2 (0.64%) Organisational Skills
11 1 (0.32%) Aviation
11 1 (0.32%) Billing
11 1 (0.32%) Presentation Skills
Libraries, Frameworks & Software Standards
1 40 (12.74%) Kafka
1 40 (12.74%) Spring
2 38 (12.10%) Spring Boot
3 27 (8.60%) Terraform
4 18 (5.73%) React
5 14 (4.46%) .NET
6 9 (2.87%) Node.js
7 6 (1.91%) Next.js
7 6 (1.91%) REST
8 5 (1.59%) ADO
8 5 (1.59%) Boost C++ Libraries
8 5 (1.59%) FIX Protocol
8 5 (1.59%) pytest
8 5 (1.59%) YAML
9 4 (1.27%) .NET Framework
9 4 (1.27%) ASP.NET
9 4 (1.27%) ASP.NET Core
9 4 (1.27%) ASP.NET Web API
9 4 (1.27%) CrewAI
9 4 (1.27%) Entity Framework
Miscellaneous
1 65 (20.70%) Cloud Native
2 47 (14.97%) Distributed Systems
3 34 (10.83%) Enterprise Software
4 26 (8.28%) Public Cloud
5 25 (7.96%) e-Learning
6 11 (3.50%) AI Agents
7 6 (1.91%) Algorithms
7 6 (1.91%) Data Centre
7 6 (1.91%) Fixed Income
8 5 (1.59%) Derivative
8 5 (1.59%) Equities
8 5 (1.59%) Management Information System
9 4 (1.27%) Virtual Team
10 3 (0.96%) Cyber Kill Chain
10 3 (0.96%) Insider Threat
10 3 (0.96%) Legacy Systems
10 3 (0.96%) Life Science
11 2 (0.64%) Distributed Computing
11 2 (0.64%) Mobile Wallet
11 2 (0.64%) Security Operations Centre
Operating Systems
1 19 (6.05%) Linux
2 6 (1.91%) CentOS
2 6 (1.91%) Red Hat Enterprise Linux
2 6 (1.91%) Windows
3 5 (1.59%) VMS
4 2 (0.64%) Windows Server
5 1 (0.32%) Android
5 1 (0.32%) Ubuntu
Processes & Methodologies
1 125 (39.81%) Software Engineering
2 80 (25.48%) CI/CD
3 79 (25.16%) Technical Leadership
4 69 (21.97%) Infrastructure as Code
5 65 (20.70%) Mentoring
6 59 (18.79%) Agile
7 55 (17.52%) Microservices
8 51 (16.24%) AI
9 48 (15.29%) Test Automation
10 39 (12.42%) Data Engineering
10 39 (12.42%) DevOps
11 35 (11.15%) Event-Driven
12 34 (10.83%) Coaching
13 33 (10.51%) Architectural Patterns
14 28 (8.92%) BDD
14 28 (8.92%) End-to-End Testing
14 28 (8.92%) Platform Engineering
15 25 (7.96%) CQRS
15 25 (7.96%) Infrastructure Management
15 25 (7.96%) Performance Testing
Programming Languages
1 68 (21.66%) Java
2 48 (15.29%) SQL
3 33 (10.51%) Python
4 29 (9.24%) TypeScript
5 19 (6.05%) C#
6 17 (5.41%) JavaScript
7 5 (1.59%) C++
7 5 (1.59%) PowerShell
7 5 (1.59%) R
8 3 (0.96%) Go
8 3 (0.96%) Rust
9 2 (0.64%) Ruby
9 2 (0.64%) Scala
10 1 (0.32%) Apex Code
10 1 (0.32%) Kotlin
10 1 (0.32%) PHP
Qualifications
1 43 (13.69%) Security Cleared
2 42 (13.38%) SC Cleared
3 25 (7.96%) AWS Certification
3 25 (7.96%) AWS Certified Solutions Architect
4 13 (4.14%) DV Cleared
5 12 (3.82%) Degree
6 4 (1.27%) Chartered Engineer
6 4 (1.27%) HND
7 3 (0.96%) BPSS Clearance
7 3 (0.96%) Computer Science Degree
8 2 (0.64%) CEH
8 2 (0.64%) CISSP
8 2 (0.64%) CompTIA Security+
8 2 (0.64%) DBS Check
8 2 (0.64%) GIAC
8 2 (0.64%) Microsoft Certified Professional
9 1 (0.32%) CCIE
9 1 (0.32%) Cisco Certification
9 1 (0.32%) HNC
9 1 (0.32%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.18%) QA
2 9 (2.87%) Data Quality
3 5 (1.59%) GDPR
4 3 (0.96%) NIST
5 2 (0.64%) ISO/IEC 27001
5 2 (0.64%) NCSC
5 2 (0.64%) PCI DSS
5 2 (0.64%) PSD2
6 1 (0.32%) Accessibility
6 1 (0.32%) Def Stans
6 1 (0.32%) HAZOP
6 1 (0.32%) IEC 61508
6 1 (0.32%) RMADS
System Software
1 17 (5.41%) Docker
2 8 (2.55%) Active Directory
3 2 (0.64%) Firmware
3 2 (0.64%) VMware Infrastructure
4 1 (0.32%) Virtual Machines
4 1 (0.32%) VMware ESXi
4 1 (0.32%) VMware NSX
4 1 (0.32%) vSphere
Systems Management
1 30 (9.55%) Kubernetes
2 8 (2.55%) Ansible
3 3 (0.96%) Microsoft Intune
3 3 (0.96%) SCCM
4 2 (0.64%) Argo
4 2 (0.64%) Grafana
4 2 (0.64%) Prometheus
4 2 (0.64%) Single Sign-On
5 1 (0.32%) SCOM
Vendors
1 23 (7.32%) Microsoft
2 16 (5.10%) Palantir
3 8 (2.55%) Google
4 7 (2.23%) Salesforce
4 7 (2.23%) VMware
5 6 (1.91%) Databricks
5 6 (1.91%) MuleSoft
6 3 (0.96%) OpenAI
7 2 (0.64%) Darktrace
7 2 (0.64%) Red Hat
8 1 (0.32%) Cisco
8 1 (0.32%) Foundry
8 1 (0.32%) Sitecore