The following table provides summary statistics for contract job vacancies advertised in Kent with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD over the 3 months to 28 June 2017 with a comparison to the 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.

Behaviour-Driven Development (BDD)
South East / Kent
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 34 35 37
Rank change year-on-year +1 +2  
Contract jobs citing BDD 7 3 8
As % of all contract IT jobs advertised in Kent 2.88% 0.93% 2.93%
As % of the Processes & Methodologies category 3.45% 1.19% 3.79%
Number of daily rates quoted 3 3 6
Median daily rate £400 £400 £363
Median daily rate % change year-on-year - +10.34%  
90% offered a daily rate of more than £380 £380 £331
10% offered a daily rate of more than £440 £460 £375
UK excluding London median daily rate £400 £425 £375
% change year-on-year -5.88% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £40.50 -
% change year-on-year +17.28% -  

BDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Kent with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Kent
Contract job vacancies with a requirement for process and methodology skills 203 253 211
As % of all contract IT job vacancies advertised in Kent 83.54% 78.57% 77.29%
Number of daily rates quoted 147 170 120
Median daily rate £350 £450 £350
Median daily rate % change year-on-year -22.22% +28.57%  
90% offered a daily rate of more than £212 £230 £275
10% offered a daily rate of more than £525 £750 £525
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 12 5 4
Median hourly rate £22.52 £20.83 £11.50
Median hourly rate % change year-on-year +8.11% +81.13%  
UK excluding London median hourly rate £34.75 £28.50 £30.00
% change year-on-year +21.92% -5.00%  

BDD
Job Vacancy Trend in Kent

The job posting trend of jobs advertised in Kent citing BDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for BDD in Kent

BDD
Contractor Daily Rate Trend in Kent

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

Contractor daily rate trend for BDD in Kent

For the 6 months to 28 June 2017, IT contractor jobs citing BDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Kent region with a requirement for BDD.

1 9 (100.00%) Agile Software Development
2 8 (88.89%) C#
3 7 (77.78%) Regression Testing
3 7 (77.78%) Selenium
3 7 (77.78%) Test Automation
3 7 (77.78%) Cucumber
4 6 (66.67%) Scrum
5 5 (55.56%) Java
5 5 (55.56%) Confluence
5 5 (55.56%) JIRA
5 5 (55.56%) TDD
6 4 (44.44%) Ruby
6 4 (44.44%) ISTQB
6 4 (44.44%) Integration Testing
6 4 (44.44%) Continuous Integration
6 4 (44.44%) HTML
6 4 (44.44%) .NET
6 4 (44.44%) Windows
6 4 (44.44%) Linux
6 4 (44.44%) Advertising
6 4 (44.44%) JMeter
6 4 (44.44%) HP
6 4 (44.44%) ISEB
6 4 (44.44%) LoadRunner
6 4 (44.44%) HP Quality Center
6 4 (44.44%) WebDriver
6 4 (44.44%) Test Strategy
6 4 (44.44%) Non-Functional Testing
6 4 (44.44%) Smoke Testing
6 4 (44.44%) Component Testing

BDD
Co-occurring IT Skills in Kent 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 5 (55.56%) Confluence
2 1 (11.11%) Apache
2 1 (11.11%) GlassFish
2 1 (11.11%) JBoss
2 1 (11.11%) Tomcat
Communications & Networking
1 3 (33.33%) HTTP
Database & Business Intelligence
1 1 (11.11%) SQL Server
Development Applications
1 7 (77.78%) Cucumber
1 7 (77.78%) Selenium
2 5 (55.56%) JIRA
3 4 (44.44%) JMeter
3 4 (44.44%) LoadRunner
3 4 (44.44%) WebDriver
4 2 (22.22%) Git (software)
5 1 (11.11%) IntelliJ
5 1 (11.11%) Jenkins
5 1 (11.11%) JIRA Agile
5 1 (11.11%) jMock
5 1 (11.11%) JUnit
5 1 (11.11%) Maven
5 1 (11.11%) Mockito
General
1 4 (44.44%) Advertising
2 1 (11.11%) Finance
Job Titles
1 4 (44.44%) Consultant
1 4 (44.44%) Test Automation Consultant
1 4 (44.44%) Test Consultant
2 3 (33.33%) Tester
3 2 (22.22%) Automation Tester
3 2 (22.22%) Developer
3 2 (22.22%) Software Tester
4 1 (11.11%) .NET Development Manager
4 1 (11.11%) Contracts Manager
4 1 (11.11%) Developer in Test
4 1 (11.11%) Development Manager
4 1 (11.11%) Front End Developer (Client-Side Developer)
4 1 (11.11%) Front End Java Developer (Client-Side Java Developer)
4 1 (11.11%) Java Developer
4 1 (11.11%) Mobile Tester
4 1 (11.11%) Senior Development Manager
4 1 (11.11%) Senior Manager
4 1 (11.11%) Software Developer
Libraries, Frameworks & Software Standards
1 4 (44.44%) .NET
1 4 (44.44%) HTML
2 3 (33.33%) .NET Core
2 3 (33.33%) CSS
2 3 (33.33%) JSON
2 3 (33.33%) XML
3 2 (22.22%) REST
3 2 (22.22%) RESTful
4 1 (11.11%) Ajax
4 1 (11.11%) ASP.NET
4 1 (11.11%) Hibernate
4 1 (11.11%) HTML5
4 1 (11.11%) J2EE
4 1 (11.11%) jQuery
4 1 (11.11%) LESS
4 1 (11.11%) Spring
4 1 (11.11%) Spring MVC
4 1 (11.11%) Twitter Bootstrap
Miscellaneous
1 3 (33.33%) Mobile App
Operating Systems
1 4 (44.44%) Linux
1 4 (44.44%) Windows
2 2 (22.22%) Android
2 2 (22.22%) Apple iOS
Processes & Methodologies
1 9 (100.00%) Agile Software Development
2 7 (77.78%) Regression Testing
2 7 (77.78%) Test Automation
3 6 (66.67%) Scrum
4 5 (55.56%) TDD
5 4 (44.44%) Component Testing
5 4 (44.44%) Continuous Integration
5 4 (44.44%) Integration Testing
5 4 (44.44%) Non-Functional Testing
5 4 (44.44%) Smoke Testing
5 4 (44.44%) Test Strategy
6 3 (33.33%) Functional Testing
6 3 (33.33%) OO
7 2 (22.22%) Web Development
8 1 (11.11%) API Testing
8 1 (11.11%) ATDD
8 1 (11.11%) Front End Development
8 1 (11.11%) MVC
8 1 (11.11%) SDET
8 1 (11.11%) SDLC
Programming Languages
1 8 (88.89%) C#
2 5 (55.56%) Java
3 4 (44.44%) Ruby
4 2 (22.22%) JavaScript
5 1 (11.11%) LINC
5 1 (11.11%) PHP
Qualifications
1 4 (44.44%) ISEB
1 4 (44.44%) ISTQB
Systems Management
1 4 (44.44%) HP Quality Center
Vendors
1 4 (44.44%) HP
2 2 (22.22%) Xamarin
3 1 (11.11%) Microsoft