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 16 October 2026.

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

6 months to
16 Oct 2026
Same period 2025 Same period 2024
Rank 182 297 250
Rank change year-on-year +115 -47 +77
Permanent jobs requiring a Principal Engineer 324 86 206
As % of all permanent jobs in London 1.24% 0.73% 1.15%
As % of the Job Titles category 1.34% 0.81% 1.21%
Number of salaries quoted 217 65 147
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% -
75th Percentile - £120,000 £118,125
90th Percentile £115,500 £145,000 £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 24,219 10,667 17,046
% of permanent jobs with a recognized job title 92.42% 90.95% 95.20%
Number of salaries quoted 16,067 6,965 10,633
10th Percentile £40,000 £36,250 £40,000
25th Percentile £55,000 £51,250 £53,750
Median annual salary (50th Percentile) £75,000 £72,500 £75,000
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 £59,000 £55,000 £57,500
% change year-on-year +7.27% -4.35% -4.17%

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 16 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 16 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 +21 31 £90,000 -20.00% 7
West London - 15 £95,000 - 3
South London 0 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 16 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.

1 135 (41.67%) Software Engineering
2 84 (25.93%) AWS
3 83 (25.62%) CI/CD
3 83 (25.62%) Technical Leadership
4 71 (21.91%) Infrastructure as Code
5 67 (20.68%) Java
6 65 (20.06%) Mentoring
7 60 (18.52%) Agile
8 57 (17.59%) Microservices
9 54 (16.67%) AI
10 51 (15.74%) Azure
11 49 (15.12%) Test Automation
12 48 (14.81%) SQL
13 45 (13.89%) Security Cleared
14 44 (13.58%) SC Cleared
15 40 (12.35%) Data Engineering
15 40 (12.35%) DevOps
15 40 (12.35%) Kafka
15 40 (12.35%) Spring
16 38 (11.73%) Spring Boot
17 36 (11.11%) Event-Driven
17 36 (11.11%) GitLab
17 36 (11.11%) Python
18 34 (10.49%) Architectural Patterns
18 34 (10.49%) Coaching
19 33 (10.19%) Platform Engineering
20 30 (9.26%) Terraform
21 29 (8.95%) GCP
21 29 (8.95%) Kubernetes
22 28 (8.64%) BDD

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 (2.16%) Camunda
2 3 (0.93%) Apache Airflow
3 1 (0.31%) Apache Spark
3 1 (0.31%) CMS
3 1 (0.31%) Drupal
3 1 (0.31%) nginx
3 1 (0.31%) Sitecore CMS
3 1 (0.31%) Umbraco
Business Applications
1 2 (0.62%) Misys Midas
Cloud Services
1 84 (25.93%) AWS
2 51 (15.74%) Azure
3 29 (8.95%) GCP
4 26 (8.02%) AWS CloudFormation
5 16 (4.94%) GitHub
6 9 (2.78%) Amazon S3
6 9 (2.78%) Azure DevOps
7 8 (2.47%) Serverless
8 7 (2.16%) Anthropic Claude
8 7 (2.16%) dbt
8 7 (2.16%) SaaS
9 6 (1.85%) AWS Lambda
9 6 (1.85%) Azure Sentinel
9 6 (1.85%) Entra ID
9 6 (1.85%) GitHub Copilot
9 6 (1.85%) Snowflake
10 5 (1.54%) Azure Cosmos DB
10 5 (1.54%) Azure Key Vault
10 5 (1.54%) Azure Logic Apps
10 5 (1.54%) Azure Service Bus
Communications & Networking
1 6 (1.85%) Multicast
2 4 (1.23%) Broadband
3 2 (0.62%) DNS
3 2 (0.62%) Unified Communications
3 2 (0.62%) VPN
4 1 (0.31%) BGP
4 1 (0.31%) DHCP
4 1 (0.31%) Firewall
4 1 (0.31%) Internet
4 1 (0.31%) IPv6
4 1 (0.31%) MPLS
4 1 (0.31%) OpenVPN
4 1 (0.31%) OSPF
4 1 (0.31%) VSAN
Database & Business Intelligence
1 28 (8.64%) NoSQL
2 9 (2.78%) Data Warehouse
3 7 (2.16%) BigQuery
3 7 (2.16%) Semantic Layer
4 6 (1.85%) Amazon RDS
4 6 (1.85%) GIS
5 5 (1.54%) Azure SQL Database
5 5 (1.54%) PostgreSQL
6 4 (1.23%) MongoDB
7 3 (0.93%) Data Lake
8 2 (0.62%) Apache Cassandra
8 2 (0.62%) Couchbase
8 2 (0.62%) Pinecone
8 2 (0.62%) Scylla
9 1 (0.31%) Apache Hudi
9 1 (0.31%) Apache Iceberg
9 1 (0.31%) Big Data
9 1 (0.31%) Power BI
9 1 (0.31%) Relational Database
9 1 (0.31%) Snowflake Schema
Development Applications
1 36 (11.11%) GitLab
2 25 (7.72%) Cucumber
3 13 (4.01%) Jenkins
4 7 (2.16%) Atlassian Bamboo
4 7 (2.16%) Git
5 6 (1.85%) Claude Code
6 5 (1.54%) JIRA
7 2 (0.62%) JUnit
7 2 (0.62%) Mockito
8 1 (0.31%) Artifactory
8 1 (0.31%) Newman
8 1 (0.31%) Postman
8 1 (0.31%) REST Assured
General
1 76 (23.46%) Finance
2 33 (10.19%) Social Skills
3 22 (6.79%) Banking
4 14 (4.32%) Aerospace
5 13 (4.01%) Public Sector
6 11 (3.40%) Inclusion and Diversity
7 9 (2.78%) Financial Institution
7 9 (2.78%) Legal
8 8 (2.47%) Law
9 5 (1.54%) Retail
10 4 (1.23%) Analytical Skills
10 4 (1.23%) Marketing
10 4 (1.23%) Retail Banking
11 3 (0.93%) Influencing Skills
12 2 (0.62%) Aviation
12 2 (0.62%) Front Office
12 2 (0.62%) Organisational Skills
13 1 (0.31%) Police
13 1 (0.31%) Presentation Skills
Libraries, Frameworks & Software Standards
1 40 (12.35%) Kafka
1 40 (12.35%) Spring
2 38 (11.73%) Spring Boot
3 30 (9.26%) Terraform
4 17 (5.25%) React
5 15 (4.63%) .NET
6 9 (2.78%) Node.js
7 6 (1.85%) Next.js
7 6 (1.85%) REST
8 5 (1.54%) ADO
8 5 (1.54%) Boost C++ Libraries
8 5 (1.54%) FIX Protocol
8 5 (1.54%) pytest
8 5 (1.54%) YAML
9 4 (1.23%) .NET Framework
9 4 (1.23%) ASP.NET
9 4 (1.23%) ASP.NET Core
9 4 (1.23%) ASP.NET Web API
9 4 (1.23%) CrewAI
9 4 (1.23%) Entity Framework
Miscellaneous
1 67 (20.68%) Cloud Native
2 49 (15.12%) Distributed Systems
3 34 (10.49%) Enterprise Software
4 25 (7.72%) e-Learning
4 25 (7.72%) Public Cloud
5 12 (3.70%) AI Agents
6 6 (1.85%) Fixed Income
7 5 (1.54%) Algorithms
7 5 (1.54%) Derivative
7 5 (1.54%) Equities
7 5 (1.54%) Management Information System
8 4 (1.23%) Data Centre
8 4 (1.23%) Virtual Team
9 3 (0.93%) Cyber Kill Chain
9 3 (0.93%) Insider Threat
9 3 (0.93%) Legacy Systems
9 3 (0.93%) Life Science
10 2 (0.62%) Distributed Computing
10 2 (0.62%) Mobile Wallet
10 2 (0.62%) Security Operations Centre
Operating Systems
1 18 (5.56%) Linux
2 8 (2.47%) Windows
3 7 (2.16%) CentOS
3 7 (2.16%) Red Hat Enterprise Linux
4 5 (1.54%) VMS
5 2 (0.62%) Windows Server
Processes & Methodologies
1 135 (41.67%) Software Engineering
2 83 (25.62%) CI/CD
2 83 (25.62%) Technical Leadership
3 71 (21.91%) Infrastructure as Code
4 65 (20.06%) Mentoring
5 60 (18.52%) Agile
6 57 (17.59%) Microservices
7 54 (16.67%) AI
8 49 (15.12%) Test Automation
9 40 (12.35%) Data Engineering
9 40 (12.35%) DevOps
10 36 (11.11%) Event-Driven
11 34 (10.49%) Architectural Patterns
11 34 (10.49%) Coaching
12 33 (10.19%) Platform Engineering
13 28 (8.64%) BDD
13 28 (8.64%) End-to-End Testing
14 27 (8.33%) Observability
15 25 (7.72%) Continuous Improvement
15 25 (7.72%) Thought Leadership
Programming Languages
1 67 (20.68%) Java
2 48 (14.81%) SQL
3 36 (11.11%) Python
4 27 (8.33%) TypeScript
5 20 (6.17%) C#
6 18 (5.56%) JavaScript
7 5 (1.54%) C++
7 5 (1.54%) PowerShell
7 5 (1.54%) R
8 3 (0.93%) Go
8 3 (0.93%) Rust
9 2 (0.62%) Ruby
9 2 (0.62%) Scala
10 1 (0.31%) Apex Code
10 1 (0.31%) Bash
10 1 (0.31%) PHP
Qualifications
1 45 (13.89%) Security Cleared
2 44 (13.58%) SC Cleared
3 25 (7.72%) AWS Certification
3 25 (7.72%) AWS Certified Solutions Architect
4 13 (4.01%) DV Cleared
5 12 (3.70%) Degree
6 5 (1.54%) Chartered Engineer
7 4 (1.23%) HND
8 3 (0.93%) BPSS Clearance
8 3 (0.93%) Computer Science Degree
9 2 (0.62%) CEH
9 2 (0.62%) CISSP
9 2 (0.62%) CompTIA Security+
9 2 (0.62%) DBS Check
9 2 (0.62%) GIAC
9 2 (0.62%) Microsoft Certified Professional
10 1 (0.31%) CCIE
10 1 (0.31%) Cisco Certification
10 1 (0.31%) HNC
10 1 (0.31%) Microsoft Certification
Quality Assurance & Compliance
1 10 (3.09%) Data Quality
1 10 (3.09%) QA
2 5 (1.54%) GDPR
3 3 (0.93%) NIST
4 2 (0.62%) ISO/IEC 27001
4 2 (0.62%) NCSC
4 2 (0.62%) PCI DSS
4 2 (0.62%) PSD2
5 1 (0.31%) Accessibility
5 1 (0.31%) Def Stans
5 1 (0.31%) HAZOP
5 1 (0.31%) IEC 61508
5 1 (0.31%) RMADS
System Software
1 20 (6.17%) Docker
2 8 (2.47%) Active Directory
3 2 (0.62%) Firmware
4 1 (0.31%) Virtual Machines
4 1 (0.31%) VMware ESXi
4 1 (0.31%) VMware Infrastructure
4 1 (0.31%) VMware NSX
4 1 (0.31%) vSphere
Systems Management
1 29 (8.95%) Kubernetes
2 8 (2.47%) Ansible
3 4 (1.23%) Microsoft Intune
3 4 (1.23%) SCCM
4 3 (0.93%) Argo
4 3 (0.93%) Grafana
5 2 (0.62%) Prometheus
5 2 (0.62%) Single Sign-On
6 1 (0.31%) Kibana
6 1 (0.31%) SCOM
Vendors
1 24 (7.41%) Microsoft
2 16 (4.94%) Palantir
3 9 (2.78%) Google
4 7 (2.16%) Salesforce
5 6 (1.85%) Databricks
5 6 (1.85%) MuleSoft
6 4 (1.23%) VMware
7 3 (0.93%) OpenAI
8 2 (0.62%) Darktrace
9 1 (0.31%) Cisco
9 1 (0.31%) Foundry
9 1 (0.31%) Red Hat
9 1 (0.31%) Sitecore