The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 23 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.

Test-Driven Development (TDD)
South Wales / Cardiff
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 32 14 20
Rank change year-on-year -18 +6  
Contract jobs citing TDD 7 25 24
As % of all contract IT jobs advertised in Cardiff 2.18% 8.62% 7.29%
As % of the Processes & Methodologies category 2.46% 11.11% 8.76%
Number of daily rates quoted 7 22 22
Median daily rate £363 £388 £395
Median daily rate % change year-on-year -6.45% -1.89%  
90% offered a daily rate of more than £340 £283 £350
10% offered a daily rate of more than £396 £498 £448
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

TDD 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 Cardiff with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cardiff
Contract job vacancies with a requirement for process and methodology skills 285 225 274
As % of all contract IT job vacancies advertised in Cardiff 88.79% 77.59% 83.28%
Number of daily rates quoted 219 169 217
Median daily rate £360 £388 £350
Median daily rate % change year-on-year -7.09% +10.71%  
90% offered a daily rate of more than £280 £245 £235
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 17 5 11
Median hourly rate £16.28 £19.63 £15.50
Median hourly rate % change year-on-year -17.04% +26.61%  
90% offered a hourly rate of more than £13.00 £13.00 £12.40
10% offered a hourly rate of more than £51.00 £35.00 £19.35
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Cardiff

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

Job vacancy trend for TDD in Cardiff

TDD
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for TDD in Cardiff

For the 6 months to 23 June 2017, IT contractor jobs citing TDD 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 TDD.

1 14 (70.00%) Agile Software Development
2 11 (55.00%) JavaScript
3 9 (45.00%) BDD
4 8 (40.00%) AngularJS
4 8 (40.00%) CSS
4 8 (40.00%) HTML
5 6 (30.00%) Java
6 5 (25.00%) OO
6 5 (25.00%) PHP
6 5 (25.00%) CSS3
6 5 (25.00%) Unit Testing
6 5 (25.00%) Test Automation
6 5 (25.00%) HTML5
7 4 (20.00%) RESTful
7 4 (20.00%) Scrum
8 3 (15.00%) JSON
8 3 (15.00%) SQL
8 3 (15.00%) MySQL
8 3 (15.00%) Python
8 3 (15.00%) Git (software)
8 3 (15.00%) Cucumber
8 3 (15.00%) KnockoutJS
8 3 (15.00%) Node.js
8 3 (15.00%) Gherkin
8 3 (15.00%) Big Data
8 3 (15.00%) Front End Development
9 2 (10.00%) Wireframes
9 2 (10.00%) Jasmine
9 2 (10.00%) Greenfield Project
9 2 (10.00%) Sass

TDD
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 (5.00%) Apache
1 1 (5.00%) Apache Airflow
1 1 (5.00%) Apache Spark
1 1 (5.00%) Confluence
Applications
1 1 (5.00%) Photoshop
Cloud Services
1 2 (10.00%) Amazon AWS
2 1 (5.00%) Microsoft Azure
Database & Business Intelligence
1 3 (15.00%) Big Data
1 3 (15.00%) MySQL
2 2 (10.00%) Hadoop
3 1 (5.00%) Apache Hive
3 1 (5.00%) Couchbase
3 1 (5.00%) HBase
3 1 (5.00%) MongoDB
3 1 (5.00%) NoSQL
3 1 (5.00%) Oracle Database
3 1 (5.00%) SQL Server
3 1 (5.00%) SQL Server 2008
3 1 (5.00%) SQL Server 2012
Development Applications
1 3 (15.00%) Cucumber
1 3 (15.00%) Git (software)
2 2 (10.00%) Jasmine
2 2 (10.00%) Selenium
3 1 (5.00%) Atlassian Bamboo
3 1 (5.00%) gulp
3 1 (5.00%) Jenkins
3 1 (5.00%) JIRA
3 1 (5.00%) MbUnit
3 1 (5.00%) Mercurial
3 1 (5.00%) Mocha
3 1 (5.00%) MSTest
3 1 (5.00%) NUnit
3 1 (5.00%) SpecFlow
3 1 (5.00%) Subversion
3 1 (5.00%) TeamCity
3 1 (5.00%) Visual Studio
3 1 (5.00%) WebDriver
3 1 (5.00%) webpack
3 1 (5.00%) Xcode
General
1 2 (10.00%) Banking
2 1 (5.00%) Finance
2 1 (5.00%) Investment Banking
2 1 (5.00%) Legal
2 1 (5.00%) Marketing
Job Titles
1 15 (75.00%) Developer
2 4 (20.00%) PHP Developer
3 3 (15.00%) Front End Developer (Client-Side Developer)
4 2 (10.00%) .NET Developer
4 2 (10.00%) Java Developer
4 2 (10.00%) Java Engineer
4 2 (10.00%) PHP Zend Developer
4 2 (10.00%) Senior Developer
5 1 (5.00%) Angular Developer
5 1 (5.00%) HTML CSS Developer
5 1 (5.00%) HTML Developer
5 1 (5.00%) Node.js Developer
5 1 (5.00%) PHP Symfony Developer
5 1 (5.00%) Python Developer
5 1 (5.00%) QA Automation Tester
5 1 (5.00%) QA Tester
5 1 (5.00%) Senior Java Developer
5 1 (5.00%) Senior Test Engineer
5 1 (5.00%) Symfony Developer
5 1 (5.00%) Test Engineer
Libraries, Frameworks & Software Standards
1 8 (40.00%) AngularJS
1 8 (40.00%) CSS
1 8 (40.00%) HTML
2 5 (25.00%) CSS3
2 5 (25.00%) HTML5
3 4 (20.00%) RESTful
4 3 (15.00%) Gherkin
4 3 (15.00%) JSON
4 3 (15.00%) KnockoutJS
4 3 (15.00%) Node.js
5 2 (10.00%) .NET
5 2 (10.00%) J2EE
5 2 (10.00%) jQuery
5 2 (10.00%) React
5 2 (10.00%) Sass
5 2 (10.00%) Symfony
6 1 (5.00%) ASP.NET MVC
6 1 (5.00%) Django
6 1 (5.00%) Kafka
6 1 (5.00%) WCF
Miscellaneous
1 2 (10.00%) Analytical Skills
1 2 (10.00%) Greenfield Project
2 1 (5.00%) Computer Science
2 1 (5.00%) Cyberthreat
2 1 (5.00%) User Experience
2 1 (5.00%) W3C
Operating Systems
1 1 (5.00%) Android
1 1 (5.00%) Apple iOS
1 1 (5.00%) Linux
Processes & Methodologies
1 14 (70.00%) Agile Software Development
2 9 (45.00%) BDD
3 5 (25.00%) OO
3 5 (25.00%) Test Automation
3 5 (25.00%) Unit Testing
4 4 (20.00%) Scrum
5 3 (15.00%) Front End Development
6 2 (10.00%) Continuous Integration
6 2 (10.00%) DevOps
6 2 (10.00%) Mentoring
6 2 (10.00%) MVC
6 2 (10.00%) Open Source
6 2 (10.00%) Root Cause Analysis
6 2 (10.00%) SDLC
6 2 (10.00%) Software Delivery
6 2 (10.00%) Wireframes
7 1 (5.00%) ATDD
7 1 (5.00%) Process Improvement
7 1 (5.00%) Rapid Prototyping
7 1 (5.00%) Responsive Web Design
Programming Languages
1 11 (55.00%) JavaScript
2 6 (30.00%) Java
3 5 (25.00%) PHP
4 3 (15.00%) Python
4 3 (15.00%) SQL
5 1 (5.00%) Apple Swift
5 1 (5.00%) C#
5 1 (5.00%) Objective-C
5 1 (5.00%) TypeScript
Qualifications
1 1 (5.00%) SC Cleared
1 1 (5.00%) Security Cleared
Quality Assurance & Compliance
1 1 (5.00%) QA
1 1 (5.00%) WAI
1 1 (5.00%) WCAG
System Software
1 1 (5.00%) Docker
Vendors
1 2 (10.00%) Zend
2 1 (5.00%) Apple
2 1 (5.00%) CA Agile Central
2 1 (5.00%) Oracle
Cardiff, South Glamorgan
TEKsystems
Posted: 3 days ago