Period
to 9 July 2020

The median contractor rate for a Principal Developer was £563 per day in advertised job vacancies during the 6 months to 9 July 2020.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Principal Developer
UK
6 months to
9 Jul 2020
Same period 2019 Same period 2018
Rank 578 832 878
Rank change year-on-year +254 +46 -23
Contract jobs requiring a Principal Developer 10 19 18
As % of all contract jobs advertised in the UK 0.024% 0.020% 0.017%
As % of the Job Titles category 0.026% 0.021% 0.018%
Number of daily rates quoted 5 12 17
Median daily rate £563 £488 £450
Median daily rate % change year-on-year +15.38% +8.33% +2.27%
10th Percentile £550 £425 £406
90th Percentile £618 £670 £625
UK excluding London median daily rate £650 £600 £525
% change year-on-year +8.33% +14.29% +19.32%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies. 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 contract jobs in our overall sample.

All Contract IT Job Vacancies
UK
Contract vacancies in the UK with a recognized job title 38,586 88,787 98,666
% of contract IT jobs with a recognized job title 93.51% 94.56% 94.82%
Number of daily rates quoted 24,173 58,443 64,489
Median daily rate £475 £470 £450
Median daily rate % change year-on-year +1.06% +4.44% +5.88%
10th Percentile £256 £266 £268
90th Percentile £660 £650 £638
UK excluding London median daily rate £431 £425 £413
% change year-on-year +1.41% +3.03% +3.13%
Number of hourly rates quoted 1,570 2,936 3,183
Median hourly rate £22.50 £19.50 £18.00
Median hourly rate % change year-on-year +15.38% +8.33% -3.86%
10th Percentile £12.02 £11.17 £11.00
90th Percentile £52.50 £51.50 £48.00
Median hourly rate £20.00 £18.06 £17.50
% change year-on-year +10.77% +3.17% -1.52%

Principal Developer
Job Vacancy Trend

Job postings that featured Principal Developer in the job title as a proportion of all IT jobs advertised.

Job vacancy trend for Principal Developer in the UK

Principal Developer
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Principal Developer.

Daily rate trend for Principal Developer in the UK

Principal Developer
Top 5 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Principal Developer within the UK over the 6 months to 9 July 2020. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +269 10 £563 +15.38% 22
London +204 7 £556 +17.11% 11
UK excluding London +201 3 £650 +8.33% 11
South East +157 3 £650 - 5
Work from Home - 2 £556 - 6

Principal Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 9 July 2020, Principal Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads featuring Principal Developer in the job title.

1 8 (80.00%) Agile Software Development
2 6 (60.00%) Azure
2 6 (60.00%) SQL
2 6 (60.00%) .NET
2 6 (60.00%) AngularJS
2 6 (60.00%) TypeScript
3 5 (50.00%) DevOps
3 5 (50.00%) C#
4 4 (40.00%) Java
4 4 (40.00%) SQL Server
4 4 (40.00%) Security Cleared
4 4 (40.00%) Kibana
4 4 (40.00%) React
4 4 (40.00%) Kubernetes
4 4 (40.00%) logstash
4 4 (40.00%) SC Cleared
4 4 (40.00%) MongoDB
4 4 (40.00%) Node.js
4 4 (40.00%) Elastic Stack
4 4 (40.00%) .NET Core
4 4 (40.00%) Elasticsearch
5 3 (30.00%) Scaled Agile Framework
5 3 (30.00%) Data Science
5 3 (30.00%) Continuous Improvement
5 3 (30.00%) User Stories
5 3 (30.00%) scikit-learn
5 3 (30.00%) Pandas
5 3 (30.00%) Mentoring
5 3 (30.00%) AWS
5 3 (30.00%) TDD

Principal Developer Skill Set
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (40.00%) Elasticsearch
2 2 (20.00%) SharePoint
3 1 (10.00%) IIS
Business Applications
1 1 (10.00%) Dynamics CRM
Cloud Services
1 6 (60.00%) Azure
2 3 (30.00%) AWS
3 2 (20.00%) Power Platform
4 1 (10.00%) npm
Database & Business Intelligence
1 4 (40.00%) MongoDB
1 4 (40.00%) SQL Server
2 2 (20.00%) Power BI
2 2 (20.00%) SQL Server 2017
3 1 (10.00%) MySQL
3 1 (10.00%) SQL Server 2016
3 1 (10.00%) SQL Server Integration Services
Development Applications
1 2 (20.00%) Octopus Deploy
1 2 (20.00%) Visual Studio
2 1 (10.00%) Cypress.io
2 1 (10.00%) Git (software)
2 1 (10.00%) Selenium
2 1 (10.00%) SpecFlow
General
1 1 (10.00%) Finance
1 1 (10.00%) Front Office
1 1 (10.00%) Public Sector
Libraries, Frameworks & Software Standards
1 6 (60.00%) .NET
1 6 (60.00%) AngularJS
2 4 (40.00%) .NET Core
2 4 (40.00%) Elastic Stack
2 4 (40.00%) Node.js
2 4 (40.00%) React
3 3 (30.00%) ASP.NET
3 3 (30.00%) Pandas
3 3 (30.00%) scikit-learn
3 3 (30.00%) Spring
3 3 (30.00%) Web Services
4 2 (20.00%) ASP.NET Core
4 2 (20.00%) CSS
5 1 (10.00%) CSS3
5 1 (10.00%) HTML
5 1 (10.00%) HTML5
5 1 (10.00%) Redux
5 1 (10.00%) RxJS
5 1 (10.00%) XML
5 1 (10.00%) XSL
Miscellaneous
1 2 (20.00%) Greenfield Project
1 2 (20.00%) Management Information System
1 2 (20.00%) N-Tier
2 1 (10.00%) Analytical Skills
2 1 (10.00%) Data Structures
2 1 (10.00%) Driving Licence
2 1 (10.00%) Tandem
2 1 (10.00%) User Experience
Processes & Methodologies
1 8 (80.00%) Agile Software Development
2 5 (50.00%) DevOps
3 3 (30.00%) Asset Management
3 3 (30.00%) Continuous Improvement
3 3 (30.00%) Data Science
3 3 (30.00%) Mentoring
3 3 (30.00%) Scaled Agile Framework
3 3 (30.00%) Software Engineering
3 3 (30.00%) TDD
3 3 (30.00%) User Stories
4 2 (20.00%) Analytics
4 2 (20.00%) Business Intelligence
4 2 (20.00%) Change Management
4 2 (20.00%) Competitor Analysis
4 2 (20.00%) Continuous Integration
4 2 (20.00%) Data Analysis
4 2 (20.00%) Front End Development
4 2 (20.00%) Information Security
4 2 (20.00%) Microservices
4 2 (20.00%) Visualisation
Programming Languages
1 6 (60.00%) SQL
1 6 (60.00%) TypeScript
2 5 (50.00%) C#
3 4 (40.00%) Java
4 3 (30.00%) JavaScript
4 3 (30.00%) Python
5 2 (20.00%) T-SQL
6 1 (10.00%) PowerShell
Qualifications
1 4 (40.00%) SC Cleared
1 4 (40.00%) Security Cleared
2 2 (20.00%) DV Cleared
3 1 (10.00%) Degree
Quality Assurance & Compliance
1 2 (20.00%) QA
System Software
1 1 (10.00%) Docker
Systems Management
1 4 (40.00%) Kibana
1 4 (40.00%) Kubernetes
1 4 (40.00%) logstash
Vendors
1 2 (20.00%) Microsoft
1 2 (20.00%) Tableau
2 1 (10.00%) Oracle