Period
to 24 November 2017

The median contractor rate for a Principal Developer was £465 per day in advertised job vacancies during the 6 months to 24 November 2017.

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
24 Nov 2017
Same period 2016 Same period 2015
Rank 871 875 873
Rank change year-on-year +4 -2 -7
Contract jobs requiring a Principal Developer 25 11 21
As % of all contract IT jobs advertised in the UK 0.024% 0.010% 0.018%
As % of the Job Titles category 0.026% 0.011% 0.019%
Number of daily rates quoted 15 8 13
UK median daily rate £465 £613 £550
Median daily rate % change year-on-year -24.08% +11.36% -8.33%
10th Percentile £383 £421 £419
90th Percentile £635 £713 £705
UK excluding London median daily rate £453 £613 £400
% change year-on-year -26.12% +53.13% -
Number of hourly rates quoted 0 0 0
UK 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 97695 99488 108685
% of contract IT jobs with a recognized job title 94.79% 94.75% 94.91%
Number of daily rates quoted 64489 64865 69136
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £260 £250 £250
90th Percentile £625 £600 £588
UK excluding London median daily rate £400 £393 £375
% change year-on-year +1.91% +4.67% +3.45%
Number of hourly rates quoted 2905 3326 4142
UK median hourly rate £18.69 £18.00 £18.00
Median hourly rate % change year-on-year +3.81% - +9.09%
10th Percentile £10.93 £10.50 £10.50
90th Percentile £47.83 £47.45 £45.00
UK excluding London median hourly rate £17.50 £17.50 £17.50

Principal Developer
Job Vacancy Trend

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

Job vacancy trend for Principal Developer in the UK

Principal Developer
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Principal Developer.

Contractor daily rate trend for Principal Developer in the UK

Principal Developer
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Principal Developer over the 6 months to 24 November 2017.

Contractor daily rate histogram for Principal Developer in the UK

Principal Developer
Top 11 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 24 November 2017. 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 +6 24 £453 -26.12% 10
UK excluding London +40 14 £453 -26.12% 6
London -2 11 £550 -12.00% 4
North of England +58 4 £440 -32.31% 1
South West 0 4 £550 +4.76% 1
Yorkshire - 4 £440 -
Midlands +32 2 £465 -
South East +5 2 - - 1
East Midlands - 2 £465 -
Scotland - 1 £500 -
East of England - 1 £550 - 3

Principal Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 24 November 2017, Principal Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads featuring Principal Developer in the job title.

1 22 (88.00%) Agile Software Development
2 14 (56.00%) TDD
3 12 (48.00%) Microservices
4 11 (44.00%) Scrum
4 11 (44.00%) Java
5 10 (40.00%) Jenkins
6 8 (32.00%) Spring
6 8 (32.00%) Maven
6 8 (32.00%) Spring Boot
7 7 (28.00%) Continuous Delivery
7 7 (28.00%) Multithreading
7 7 (28.00%) Test Automation
7 7 (28.00%) RESTful
8 6 (24.00%) Git (software)
8 6 (24.00%) Docker
8 6 (24.00%) .NET
8 6 (24.00%) Coaching
9 5 (20.00%) C#
9 5 (20.00%) E-Commerce
9 5 (20.00%) SOA
9 5 (20.00%) JSON
9 5 (20.00%) PostgreSQL
9 5 (20.00%) Puppet
10 4 (16.00%) Open Source
10 4 (16.00%) Google
10 4 (16.00%) GWT
10 4 (16.00%) DevOps
10 4 (16.00%) User Stories
10 4 (16.00%) OpenShift
10 4 (16.00%) BDD

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 3 (12.00%) CMS
2 2 (8.00%) Elasticsearch
2 2 (8.00%) MS Exchange
2 2 (8.00%) OpenStack
Applications
1 2 (8.00%) XMetaL
Cloud Services
1 4 (16.00%) OpenShift
2 2 (8.00%) Microsoft Azure
Communications & Networking
1 1 (4.00%) 3G
1 1 (4.00%) 4G
1 1 (4.00%) GSM
1 1 (4.00%) OpenFlow
1 1 (4.00%) TCP/IP
Database & Business Intelligence
1 5 (20.00%) PostgreSQL
2 3 (12.00%) Amazon DynamoDB
3 2 (8.00%) Big Data
3 2 (8.00%) NoSQL
3 2 (8.00%) RDBMS
3 2 (8.00%) Relational Database
3 2 (8.00%) SQL Server
Development Applications
1 10 (40.00%) Jenkins
2 8 (32.00%) Maven
3 6 (24.00%) Git (software)
4 4 (16.00%) JIRA
4 4 (16.00%) JUnit
5 1 (4.00%) gulp
5 1 (4.00%) Protractor
5 1 (4.00%) Selenium
5 1 (4.00%) Visual Studio
5 1 (4.00%) WebDriver
5 1 (4.00%) webpack
General
1 2 (8.00%) Legal
1 2 (8.00%) Retail
2 1 (4.00%) Marketing
2 1 (4.00%) Pharmaceutical
2 1 (4.00%) Telecoms
Libraries, Frameworks & Software Standards
1 8 (32.00%) Spring
1 8 (32.00%) Spring Boot
2 7 (28.00%) RESTful
3 6 (24.00%) .NET
4 5 (20.00%) JSON
5 4 (16.00%) GWT
5 4 (16.00%) Node.js
5 4 (16.00%) React
5 4 (16.00%) Struts
5 4 (16.00%) XML
6 3 (12.00%) Akka
6 3 (12.00%) AngularJS
6 3 (12.00%) ASP.NET Web API
6 3 (12.00%) CSS
6 3 (12.00%) CSS3
6 3 (12.00%) HTML
6 3 (12.00%) HTML5
6 3 (12.00%) REST
6 3 (12.00%) spray
7 2 (8.00%) ActiveMQ
Miscellaneous
1 4 (16.00%) Cloud Native
2 3 (12.00%) Greenfield Project
3 2 (8.00%) Management Information System
3 2 (8.00%) User Experience
4 1 (4.00%) Device Driver
Operating Systems
1 4 (16.00%) Linux
2 2 (8.00%) Windows
Processes & Methodologies
1 22 (88.00%) Agile Software Development
2 14 (56.00%) TDD
3 12 (48.00%) Microservices
4 11 (44.00%) Scrum
5 7 (28.00%) Continuous Delivery
5 7 (28.00%) Multithreading
5 7 (28.00%) Test Automation
6 6 (24.00%) Coaching
7 5 (20.00%) E-Commerce
7 5 (20.00%) SOA
8 4 (16.00%) BDD
8 4 (16.00%) DevOps
8 4 (16.00%) OOA/OOD
8 4 (16.00%) Open Source
8 4 (16.00%) UML
8 4 (16.00%) User Stories
9 3 (12.00%) Mentoring
9 3 (12.00%) MVC
9 3 (12.00%) OO
9 3 (12.00%) SOLID
Programming Languages
1 11 (44.00%) Java
2 5 (20.00%) C#
3 4 (16.00%) JavaScript
4 3 (12.00%) C
4 3 (12.00%) Scala
5 2 (8.00%) C++
5 2 (8.00%) ES6
5 2 (8.00%) Perl
5 2 (8.00%) SQL
6 1 (4.00%) TypeScript
Qualifications
1 3 (12.00%) Degree
Quality Assurance & Compliance
1 1 (4.00%) Data Quality
System Software
1 6 (24.00%) Docker
2 1 (4.00%) KVM
2 1 (4.00%) VMware Infrastructure
Systems Management
1 5 (20.00%) Puppet
2 4 (16.00%) Kubernetes
3 1 (4.00%) Ansible
3 1 (4.00%) Opscode Chef
Vendors
1 4 (16.00%) Google
2 3 (12.00%) IBM
3 2 (8.00%) Microsoft
4 1 (4.00%) Salesforce Marketing Cloud
4 1 (4.00%) Salesforce.com
4 1 (4.00%) Sitecore
4 1 (4.00%) VMware