Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD over the 6 months to 21 November 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 Wales > Cardiff
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 43 28 48
Rank change year-on-year -15 +20 -1
Contract jobs citing BDD 18 29 37
As % of all contract IT jobs advertised in Cardiff 2.94% 5.28% 4.23%
As % of the Processes & Methodologies category 3.40% 6.35% 5.20%
Number of daily rates quoted 13 28 32
Cardiff median daily rate £388 £475 £360
Median daily rate % change year-on-year -18.42% +31.94% -20.00%
10th Percentile £337 £300 £311
90th Percentile £448 £588 £449
South Wales median daily rate £406 £475 £425
% change year-on-year -14.47% +11.76% +4.94%
Number of hourly rates quoted 0 0 0
Cardiff median hourly rate - - -
South Wales median hourly rate - - -

BDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cardiff with a requirement for process or methodology skills.

All Process and Methodology Skills
Cardiff
Contract vacancies with a requirement for process or methodology skills 530 457 712
As % of all contract IT jobs advertised in Cardiff 86.46% 83.24% 81.46%
Number of daily rates quoted 369 369 593
Cardiff median daily rate £375 £375 £350
Median daily rate % change year-on-year - +7.14% -
10th Percentile £175 £187 £221
90th Percentile £500 £525 £462
South Wales median daily rate £375 £400 £350
% change year-on-year -6.25% +14.29% -
Number of hourly rates quoted 19 17 14
Cardiff median hourly rate £17.50 £15.25 £14.88
Median hourly rate % change year-on-year +14.75% +2.52% +21.43%
10th Percentile £13.00 £10.75 £10.05
90th Percentile £35.45 £36.55 £21.05
South Wales median hourly rate £19.00 £18.38 £15.88
% change year-on-year +3.40% +15.75% +9.48%

BDD
Job Vacancy Trend in Cardiff

Job postings citing BDD as a percentage of all IT jobs advertised in Cardiff.

Job vacancy trend for BDD in Cardiff

BDD
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for BDD in Cardiff

For the 6 months to 21 November 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 Cardiff region with a requirement for BDD.

1 16 (88.89%) TDD
2 14 (77.78%) Agile Software Development
3 11 (61.11%) Test Automation
4 9 (50.00%) Scrum
5 7 (38.89%) HTML
5 7 (38.89%) CSS
5 7 (38.89%) HTML5
6 6 (33.33%) Git (software)
6 6 (33.33%) Unit Testing
6 6 (33.33%) JavaScript
6 6 (33.33%) CSS3
6 6 (33.33%) Front End Development
7 5 (27.78%) React
7 5 (27.78%) Finance
7 5 (27.78%) Cucumber
8 4 (22.22%) Node.js
8 4 (22.22%) Selenium
8 4 (22.22%) Ajax
8 4 (22.22%) JSON
8 4 (22.22%) Software Delivery
8 4 (22.22%) npm
8 4 (22.22%) Responsive Web Design
9 3 (16.67%) Jenkins
9 3 (16.67%) Grunt
9 3 (16.67%) User Stories
9 3 (16.67%) Performance Optimisation
9 3 (16.67%) gulp
9 3 (16.67%) SonarQube
9 3 (16.67%) Subversion
9 3 (16.67%) Continuous Integration

BDD
Co-occurring IT Skills in Cardiff 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 1 (5.56%) IIS
Cloud Services
1 4 (22.22%) npm
Database & Business Intelligence
1 1 (5.56%) SQL Server
1 1 (5.56%) SQL Server 2012
Development Applications
1 6 (33.33%) Git (software)
2 5 (27.78%) Cucumber
3 4 (22.22%) Selenium
4 3 (16.67%) Grunt
4 3 (16.67%) gulp
4 3 (16.67%) Jenkins
4 3 (16.67%) SonarQube
4 3 (16.67%) Subversion
4 3 (16.67%) Visual Studio
5 2 (11.11%) SpecFlow
5 2 (11.11%) WebDriver
6 1 (5.56%) Xcode
General
1 5 (27.78%) Finance
2 3 (16.67%) Banking
3 2 (11.11%) Retail
4 1 (5.56%) Retail Banking
4 1 (5.56%) Telecoms
Job Titles
1 10 (55.56%) Developer
2 6 (33.33%) Front End Developer (Client-Side Developer)
3 3 (16.67%) Scrum Master
4 2 (11.11%) Consultant
4 2 (11.11%) Senior Developer
4 2 (11.11%) Test Automation Consultant
4 2 (11.11%) Test Consultant
4 2 (11.11%) UI Developer
5 1 (5.56%) .NET Developer
5 1 (5.56%) Agile Business Analyst
5 1 (5.56%) Agile Scrum Master
5 1 (5.56%) Analyst
5 1 (5.56%) Android Developer
5 1 (5.56%) ASP.NET Developer
5 1 (5.56%) Banking Analyst
5 1 (5.56%) Banking Business Analyst
5 1 (5.56%) Business Analyst
5 1 (5.56%) iOS Developer
5 1 (5.56%) Senior Front-End Developer
5 1 (5.56%) Web Developer
Libraries, Frameworks & Software Standards
1 7 (38.89%) CSS
1 7 (38.89%) HTML
1 7 (38.89%) HTML5
2 6 (33.33%) CSS3
3 5 (27.78%) React
4 4 (22.22%) Ajax
4 4 (22.22%) JSON
4 4 (22.22%) Node.js
5 2 (11.11%) AngularJS
5 2 (11.11%) Gherkin
5 2 (11.11%) Redux
5 2 (11.11%) Sass
5 2 (11.11%) Twitter Bootstrap
5 2 (11.11%) Velocity
6 1 (5.56%) Android SDK
6 1 (5.56%) ASP.NET MVC
6 1 (5.56%) ASP.NET Web API
6 1 (5.56%) REST
6 1 (5.56%) RESTful
6 1 (5.56%) Web Services
Miscellaneous
1 1 (5.56%) Analytical Skills
1 1 (5.56%) Computer Science
1 1 (5.56%) User Experience
Operating Systems
1 1 (5.56%) Android
1 1 (5.56%) Apple iOS
Processes & Methodologies
1 16 (88.89%) TDD
2 14 (77.78%) Agile Software Development
3 11 (61.11%) Test Automation
4 9 (50.00%) Scrum
5 6 (33.33%) Front End Development
5 6 (33.33%) Unit Testing
6 4 (22.22%) Responsive Web Design
6 4 (22.22%) Software Delivery
7 3 (16.67%) Continuous Integration
7 3 (16.67%) E-Commerce
7 3 (16.67%) Performance Optimisation
7 3 (16.67%) User Stories
8 2 (11.11%) Coaching
8 2 (11.11%) Context-Driven Testing
8 2 (11.11%) Continuous Delivery
8 2 (11.11%) Domain-Driven Design
8 2 (11.11%) OO
8 2 (11.11%) Test Scripting
9 1 (5.56%) Acceptance Criteria
9 1 (5.56%) Collaborative Working
Programming Languages
1 6 (33.33%) JavaScript
2 3 (16.67%) C#
3 2 (11.11%) ES6
3 2 (11.11%) Java
4 1 (5.56%) Apple Swift
4 1 (5.56%) Kotlin
4 1 (5.56%) Objective-C
Qualifications
1 1 (5.56%) Computer Science Degree
1 1 (5.56%) Degree
1 1 (5.56%) SC Cleared
1 1 (5.56%) Security Cleared
Quality Assurance & Compliance
1 1 (5.56%) QA
Vendors
1 3 (16.67%) Perforce
2 1 (5.56%) Apple