The table below looks at the statistics for TDD skills in IT contracts advertised for the Cardiff region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 26 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
26 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 18 23 26
Rank change year-on-year
+5 +3
Contract jobs citing TDD 17 37 22
As % of all contract IT jobs located in Cardiff 6.75% 8.35% 5.84%
As % of the Processes & Methodologies category 7.94% 10.05% 7.59%
Number of daily rates quoted 15 25 15
Median daily rate £475 £320 £415
Median daily rate % change year-on-year
+48.43% -22.89%
90% offered a daily rate of more than £349 £270 £320
10% offered a daily rate of more than £500 £408 £490
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 1 0
Median hourly rate - £21.00 -
UK excluding London median hourly rate £41.25 £37.45 £36.25
% change year-on-year
+10.14% +3.31%
TDD
South Wales

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Cardiff region.

Processes & Methodologies Category
Cardiff
Contract IT job ads with a match in the
Processes & Methodologies category
214 368 290
As % of all contract IT jobs located in Cardiff 84.92% 83.07% 76.92%
Number of daily rates quoted 172 305 226
Median daily rate £365 £350 £375
Median daily rate % change year-on-year
+4.28% -6.66%
90% offered a daily rate of more than £210 £250 £250
10% offered a daily rate of more than £498 £450 £475
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 11 6 2
Median hourly rate £13.00 £21.00 £9.50
Median hourly rate % change year-on-year
-38.09% +121.05%
90% offered a hourly rate of more than £11.50 £11.25 £8.70
10% offered a hourly rate of more than £32.50 £21.00 £10.30
UK excluding London median hourly rate £32.50 £33.64 £26.00
% change year-on-year
-3.38% +29.38%

TDD
Jobs Demand Trend in Cardiff

The demand trend of contract jobs across the Cardiff region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Cardiff

TDD
Daily Rate Trend in Cardiff

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

TDD Daily Rate Trend in Cardiff

TDD
Daily Rate Histogram in Cardiff

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Cardiff region over the 3 months to 26 September 2016.

TDD Daily Rate Histogram in Cardiff

TDD
Hourly Rate Trend in Cardiff

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Cardiff region.

TDD Hourly Rate Trend in Cardiff

TDD
Top 30 Related IT Skills in Cardiff

For the 6 months to 26 September 2016, 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 37 (90.24%) Agile Software Development
2 27 (65.85%) JavaScript
3 24 (58.54%) Selenium
4 22 (53.66%) BDD
5 18 (43.90%) Web Development
5 18 (43.90%) CSS
6 17 (41.46%) Java
6 17 (41.46%) jQuery
7 16 (39.02%) HTML
8 14 (34.15%) .NET
8 14 (34.15%) Unit Testing
9 13 (31.71%) Test Automation
9 13 (31.71%) C#
9 13 (31.71%) Scrum
10 12 (29.27%) Git (software)
10 12 (29.27%) Software Engineering
10 12 (29.27%) Cucumber
11 11 (26.83%) MVC
11 11 (26.83%) OO
12 10 (24.39%) SQL Server
12 10 (24.39%) Continuous Integration
12 10 (24.39%) AngularJS
12 10 (24.39%) Jenkins
12 10 (24.39%) DevOps
12 10 (24.39%) ASP.NET Web API
13 9 (21.95%) TypeScript
13 9 (21.95%) NoSQL
13 9 (21.95%) CSS3
13 9 (21.95%) KnockoutJS
13 9 (21.95%) SpecFlow

TDD
Top Related 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 4 (9.76%) Confluence
2 2 (4.88%) CMS
2 2 (4.88%) FileNet
2 2 (4.88%) LiveCycle
2 2 (4.88%) Sitecore CMS
2 2 (4.88%) Umbraco
3 1 (2.44%) Cloud Foundry
3 1 (2.44%) Elasticsearch
3 1 (2.44%) Tomcat
Business Applications
1 1 (2.44%) Dynamics CRM
Cloud Services
1 2 (4.88%) Amazon AWS
2 1 (2.44%) Google Play
2 1 (2.44%) Microsoft Azure
Communications & Networking
1 3 (7.32%) FTP
2 2 (4.88%) HTTP
Database & Business Intelligence
1 10 (24.39%) SQL Server
2 9 (21.95%) NoSQL
3 7 (17.07%) Couchbase
3 7 (17.07%) MongoDB
3 7 (17.07%) SQL Server 2008
3 7 (17.07%) SQL Server 2012
4 2 (4.88%) Apache Cassandra
4 2 (4.88%) Hadoop
4 2 (4.88%) SQL Server Reporting Services
5 1 (2.44%) Big Data
5 1 (2.44%) MySQL
5 1 (2.44%) Oracle Database
Development Applications
1 24 (58.54%) Selenium
2 12 (29.27%) Cucumber
2 12 (29.27%) Git (software)
3 10 (24.39%) Jenkins
4 9 (21.95%) MbUnit
4 9 (21.95%) MSTest
4 9 (21.95%) NUnit
4 9 (21.95%) SpecFlow
4 9 (21.95%) Visual Studio
5 7 (17.07%) Mercurial
5 7 (17.07%) TeamCity
6 5 (12.20%) JIRA
6 5 (12.20%) Subversion
7 4 (9.76%) WebDriver
8 2 (4.88%) Ant
8 2 (4.88%) Hudson
8 2 (4.88%) Maven
8 2 (4.88%) SoapUI
9 1 (2.44%) Eclipse
9 1 (2.44%) PHPUnit
General
1 6 (14.63%) Legal
2 5 (12.20%) Finance
Job Titles
1 30 (73.17%) Developer
2 8 (19.51%) .NET Developer
3 6 (14.63%) Java Developer
4 3 (7.32%) Analyst
4 3 (7.32%) Perl Developer
4 3 (7.32%) Senior Developer
4 3 (7.32%) Test Analyst
4 3 (7.32%) Test Engineer
4 3 (7.32%) Web Developer
5 2 (4.88%) Agile Developer
5 2 (4.88%) Agile Test Manager
5 2 (4.88%) Architect
5 2 (4.88%) AWS Developer
5 2 (4.88%) Developer/Software Engineer
5 2 (4.88%) PHP Developer
5 2 (4.88%) SC Cleared Java Developer
5 2 (4.88%) Senior Agile Developer
5 2 (4.88%) Software Engineer
5 2 (4.88%) Technical Architect
5 2 (4.88%) Test Manager
Libraries, Frameworks & Software Standards
1 18 (43.90%) CSS
2 17 (41.46%) jQuery
3 16 (39.02%) HTML
4 14 (34.15%) .NET
5 10 (24.39%) AngularJS
5 10 (24.39%) ASP.NET Web API
6 9 (21.95%) CSS3
6 9 (21.95%) HTML5
6 9 (21.95%) KnockoutJS
6 9 (21.95%) WCF
7 8 (19.51%) ASP.NET
8 7 (17.07%) ASP.NET MVC
8 7 (17.07%) Gherkin
9 5 (12.20%) RESTful
9 5 (12.20%) SOAP
10 4 (9.76%) J2EE
10 4 (9.76%) Spring
10 4 (9.76%) XML
11 3 (7.32%) JSON
11 3 (7.32%) Middleware
Miscellaneous
1 3 (7.32%) Enterprise Software
1 3 (7.32%) Mobile App
Operating Systems
1 7 (17.07%) Unix
2 4 (9.76%) Linux
3 1 (2.44%) Android
Processes & Methodologies
1 37 (90.24%) Agile Software Development
2 22 (53.66%) BDD
3 18 (43.90%) Web Development
4 14 (34.15%) Unit Testing
5 13 (31.71%) Scrum
5 13 (31.71%) Test Automation
6 12 (29.27%) Software Engineering
7 11 (26.83%) MVC
7 11 (26.83%) OO
8 10 (24.39%) Continuous Integration
8 10 (24.39%) DevOps
9 9 (21.95%) ATDD
9 9 (21.95%) Test-First Development
10 6 (14.63%) Open Source
11 5 (12.20%) Performance Testing
12 3 (7.32%) Automated Testing
12 3 (7.32%) Data Modelling
12 3 (7.32%) Functional Testing
12 3 (7.32%) Re-Platforming
12 3 (7.32%) SOA
Programming Languages
1 27 (65.85%) JavaScript
2 17 (41.46%) Java
3 13 (31.71%) C#
4 9 (21.95%) TypeScript
5 8 (19.51%) Perl
6 6 (14.63%) Python
7 5 (12.20%) PHP
7 5 (12.20%) SQL
8 2 (4.88%) Scala
8 2 (4.88%) Shell Script
8 2 (4.88%) T-SQL
Qualifications
1 4 (9.76%) Security Cleared
2 3 (7.32%) SC Cleared
3 2 (4.88%) BC Cleared
3 2 (4.88%) BPSS Clearance
3 2 (4.88%) DV Cleared
3 2 (4.88%) ISEB
3 2 (4.88%) ISTQB
Quality Assurance & Compliance
1 6 (14.63%) QA
2 1 (2.44%) Disclosure Scotland
2 1 (2.44%) SDET
System Software
1 1 (2.44%) Docker
Vendors
1 6 (14.63%) Microsoft
2 3 (7.32%) Oracle
3 2 (4.88%) Adobe
3 2 (4.88%) Alterian
3 2 (4.88%) HP
3 2 (4.88%) ILOG
3 2 (4.88%) Sitecore
3 2 (4.88%) Splunk
4 1 (2.44%) Google