Principal Software Engineer Job Trends in Hertfordshire

Principal Software Engineer
East of England > Hertfordshire

The median Principal Software Engineer salary in Hertfordshire is £100,000 per year, according to job vacancies posted during the 6 months leading to 14 October 2025.

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

6 months to
14 Oct 2025
Same period 2024 Same period 2023
Rank 78 91 -
Rank change year-on-year +13 - -
Permanent jobs requiring a Principal Software Engineer 2 6 0
As % of all permanent jobs in Hertfordshire 0.23% 0.42% -
As % of the Job Titles category 0.25% 0.44% -
Number of salaries quoted 2 0 0
Median annual salary (50th Percentile) £100,000 - -
East of England median annual salary £100,000 £62,500 £95,000
% change year-on-year +60.00% -34.21% -

All Permanent IT Job Vacancies
Hertfordshire

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in Hertfordshire. 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 Hertfordshire with a recognized job title 799 1,349 746
% of permanent jobs with a recognized job title 92.05% 95.34% 97.01%
Number of salaries quoted 519 666 502
10th Percentile £28,400 £28,000 £25,050
25th Percentile £32,500 £42,500 £35,000
Median annual salary (50th Percentile) £47,000 £54,000 £52,500
Median % change year-on-year -12.96% +2.86% -
75th Percentile £60,000 £68,750 £65,000
90th Percentile £75,000 £80,000 £77,325
East of England median annual salary £45,000 £50,000 £52,500
% change year-on-year -10.00% -4.76% +5.00%

Principal Software Engineer
Job Vacancy Trend in Hertfordshire

Historical trend showing the proportion of permanent IT job postings featuring 'Principal Software Engineer' in the job title relative to all permanent IT jobs advertised in Hertfordshire.

Principal Software Engineer job vacancy trend in Hertfordshire

Principal Software Engineer
Salary Trend in Hertfordshire

Salary distribution trend for Principal Software Engineer job vacancies in Hertfordshire.

Salary distribution trend for Principal Software Engineer job vacancies in Hertfordshire

Principal Software Engineer
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Principal Software Engineer within the Hertfordshire region over the 6 months to 14 October 2025. 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
Hemel Hempstead - 2 £100,000 -
Principal Software Engineer
East of England

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

For the 6 months to 14 October 2025, Principal Software 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 Hertfordshire region featuring Principal Software Engineer in the job title.

1 2 (100.00%) Python
1 2 (100.00%) AI
1 2 (100.00%) Software Engineering
1 2 (100.00%) ISO/IEC 27001
1 2 (100.00%) PCI DSS
1 2 (100.00%) Customer Engagement
1 2 (100.00%) AWS
1 2 (100.00%) RabbitMQ
1 2 (100.00%) Amazon SQS
1 2 (100.00%) Node.js
1 2 (100.00%) Machine Learning
1 2 (100.00%) Kafka
1 2 (100.00%) Data Analytics
1 2 (100.00%) Event-Driven Architecture
1 2 (100.00%) AngularJS
1 2 (100.00%) Analytics
1 2 (100.00%) DynamoDB
1 2 (100.00%) Microservices
1 2 (100.00%) AWS Certification
1 2 (100.00%) Amazon Kinesis
1 2 (100.00%) Kubernetes
1 2 (100.00%) React
1 2 (100.00%) API Integration
1 2 (100.00%) Vue
1 2 (100.00%) AWS Lambda
1 2 (100.00%) Cloud Native
1 2 (100.00%) GDPR
1 2 (100.00%) Serverless
1 2 (100.00%) Data Science
1 2 (100.00%) Amazon EKS

Principal Software Engineer Skill Set
Co-Occurring Skills & Capabilities in Hertfordshire 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:

Cloud Services
1 2 (100.00%) Amazon Bedrock
1 2 (100.00%) Amazon EKS
1 2 (100.00%) Amazon EventBridge
1 2 (100.00%) Amazon Kinesis
1 2 (100.00%) Amazon SQS
1 2 (100.00%) AWS
1 2 (100.00%) AWS Lambda
1 2 (100.00%) AWS Step Functions
1 2 (100.00%) Azure AKS
1 2 (100.00%) Serverless
Database & Business Intelligence
1 2 (100.00%) DynamoDB
Libraries, Frameworks & Software Standards
1 2 (100.00%) AngularJS
1 2 (100.00%) Hugging Face
1 2 (100.00%) Kafka
1 2 (100.00%) Node.js
1 2 (100.00%) Nuxt
1 2 (100.00%) RabbitMQ
1 2 (100.00%) React
1 2 (100.00%) Vue
Miscellaneous
1 2 (100.00%) Cloud Native
1 2 (100.00%) Distributed Systems
Processes & Methodologies
1 2 (100.00%) AI
1 2 (100.00%) Analytics
1 2 (100.00%) API Integration
1 2 (100.00%) Architectural Patterns
1 2 (100.00%) Batch Processing
1 2 (100.00%) CI/CD
1 2 (100.00%) Containerisation
1 2 (100.00%) Customer Engagement
1 2 (100.00%) Data Analytics
1 2 (100.00%) Data Science
1 2 (100.00%) Event-Driven
1 2 (100.00%) Event-Driven Architecture
1 2 (100.00%) LLM
1 2 (100.00%) Machine Learning
1 2 (100.00%) Microservices
1 2 (100.00%) Observability
1 2 (100.00%) Software Engineering
Programming Languages
1 2 (100.00%) Python
Qualifications
1 2 (100.00%) AWS Certification
1 2 (100.00%) AWS Certified Developer
Quality Assurance & Compliance
1 2 (100.00%) GDPR
1 2 (100.00%) ISO/IEC 27001
1 2 (100.00%) PCI DSS
1 2 (100.00%) SOC 2
Systems Management
1 2 (100.00%) Kubernetes
Vendors
1 2 (100.00%) OpenAI