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 11 December 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
11 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 21 11 26
Rank change year-on-year
-10 +15
Contract jobs citing TDD 23 62 22
As % of all contract IT jobs located in Cardiff 7.14% 14.59% 6.77%
As % of the Processes & Methodologies category 8.81% 17.97% 8.46%
Number of daily rates quoted 21 52 18
Median daily rate £500 £325 £375
Median daily rate % change year-on-year
+53.84% -13.33%
90% offered a daily rate of more than £325 £310 £300
10% offered a daily rate of more than £600 £425 £550
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 0 1 0
Median hourly rate - £21.00 -
UK excluding London median hourly rate £39.76 £36.50 £38.25
% change year-on-year
+8.93% -4.57%
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
261 345 260
As % of all contract IT jobs located in Cardiff 81.06% 81.18% 80.00%
Number of daily rates quoted 212 289 200
Median daily rate £403 £325 £350
Median daily rate % change year-on-year
+23.84% -7.14%
90% offered a daily rate of more than £274 £275 £250
10% offered a daily rate of more than £500 £425 £475
UK excluding London median daily rate £413 £400 £387
% change year-on-year
+3.12% +3.35%
Number of hourly rates quoted 8 6 4
Median hourly rate £25.00 £21.00 £22.50
Median hourly rate % change year-on-year
+19.04% -6.66%
UK excluding London median hourly rate £30.00 £33.00 £25.00
% change year-on-year
-9.09% +32.00%

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 11 December 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 11 December 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 29 (80.56%) Agile Software Development
2 22 (61.11%) BDD
3 14 (38.89%) Java
4 12 (33.33%) JavaScript
4 12 (33.33%) HTML
4 12 (33.33%) CSS
4 12 (33.33%) Selenium
5 10 (27.78%) AngularJS
5 10 (27.78%) C#
6 9 (25.00%) .NET
6 9 (25.00%) Scrum
6 9 (25.00%) Jenkins
6 9 (25.00%) Continuous Integration
6 9 (25.00%) ASP.NET Web API
6 9 (25.00%) DevOps
7 8 (22.22%) jQuery
7 8 (22.22%) Unit Testing
7 8 (22.22%) Test Automation
7 8 (22.22%) CSS3
7 8 (22.22%) NoSQL
7 8 (22.22%) HTML5
7 8 (22.22%) NUnit
7 8 (22.22%) Web Development
8 7 (19.44%) MVC
8 7 (19.44%) Scala
8 7 (19.44%) RESTful
8 7 (19.44%) Git (software)
9 6 (16.67%) Performance Testing
9 6 (16.67%) MongoDB
9 6 (16.67%) KnockoutJS

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 3 (8.33%) Confluence
2 2 (5.56%) Elasticsearch
3 1 (2.78%) Cloud Foundry
Applications
1 1 (2.78%) Photoshop
Business Applications
1 1 (2.78%) Dynamics CRM
Cloud Services
1 2 (5.56%) Amazon AWS
2 1 (2.78%) Microsoft Azure
2 1 (2.78%) PaaS
Communications & Networking
1 5 (13.89%) HTTP
Database & Business Intelligence
1 8 (22.22%) NoSQL
2 6 (16.67%) MongoDB
2 6 (16.67%) SQL Server
3 5 (13.89%) Big Data
3 5 (13.89%) Couchbase
3 5 (13.89%) SQL Server 2008
3 5 (13.89%) SQL Server 2012
4 4 (11.11%) Relational Database
5 3 (8.33%) Apache Cassandra
6 2 (5.56%) Hadoop
6 2 (5.56%) Oracle Database
7 1 (2.78%) MySQL
7 1 (2.78%) Neo4j
Development Applications
1 12 (33.33%) Selenium
2 9 (25.00%) Jenkins
3 8 (22.22%) NUnit
4 7 (19.44%) Git (software)
5 6 (16.67%) SpecFlow
6 5 (13.89%) MbUnit
6 5 (13.89%) Mercurial
6 5 (13.89%) MSTest
6 5 (13.89%) TeamCity
6 5 (13.89%) Visual Studio
7 4 (11.11%) Cucumber
8 3 (8.33%) JIRA
8 3 (8.33%) SoapUI
9 1 (2.78%) PHPUnit
9 1 (2.78%) Subversion
9 1 (2.78%) WebDriver
General
1 3 (8.33%) Finance
2 1 (2.78%) Marketing
Job Titles
1 27 (75.00%) Developer
2 8 (22.22%) .NET Developer
2 8 (22.22%) Java Developer
3 6 (16.67%) Scala Developer
4 5 (13.89%) Senior Developer
4 5 (13.89%) Senior Java Developer
5 4 (11.11%) Java Scala Developer
6 3 (8.33%) Agile Test Manager
6 3 (8.33%) C# .NET Developer
6 3 (8.33%) C# Developer
6 3 (8.33%) Developer/Software Engineer
6 3 (8.33%) Front End Developer (Client-Side Developer)
6 3 (8.33%) Full Stack Developer
6 3 (8.33%) Senior Java Scala Developer
6 3 (8.33%) Senior Scala Developer
6 3 (8.33%) Software Engineer
6 3 (8.33%) Test Manager
7 2 (5.56%) Architect
7 2 (5.56%) Front End Web Developer (Client-Side Developer)
7 2 (5.56%) Test Engineer
Libraries, Frameworks & Software Standards
1 12 (33.33%) CSS
1 12 (33.33%) HTML
2 10 (27.78%) AngularJS
3 9 (25.00%) .NET
3 9 (25.00%) ASP.NET Web API
4 8 (22.22%) CSS3
4 8 (22.22%) HTML5
4 8 (22.22%) jQuery
5 7 (19.44%) RESTful
6 6 (16.67%) ASP.NET
6 6 (16.67%) KnockoutJS
7 5 (13.89%) ASP.NET MVC
7 5 (13.89%) Gherkin
7 5 (13.89%) JSON
7 5 (13.89%) WCF
8 4 (11.11%) REST
9 3 (8.33%) NHibernate
9 3 (8.33%) Twitter Bootstrap
9 3 (8.33%) Web Services
10 2 (5.56%) J2EE
Miscellaneous
1 3 (8.33%) Enterprise Software
2 1 (2.78%) Fintech
2 1 (2.78%) User Experience
2 1 (2.78%) W3C
Operating Systems
1 3 (8.33%) Linux
2 1 (2.78%) Mac OS
Processes & Methodologies
1 29 (80.56%) Agile Software Development
2 22 (61.11%) BDD
3 9 (25.00%) Continuous Integration
3 9 (25.00%) DevOps
3 9 (25.00%) Scrum
4 8 (22.22%) Test Automation
4 8 (22.22%) Unit Testing
4 8 (22.22%) Web Development
5 7 (19.44%) MVC
6 6 (16.67%) Automated Testing
6 6 (16.67%) Performance Testing
6 6 (16.67%) Software Engineering
7 5 (13.89%) ATDD
7 5 (13.89%) Kanban
7 5 (13.89%) Open Source
7 5 (13.89%) Test-First Development
8 4 (11.11%) API Design
8 4 (11.11%) OO
9 3 (8.33%) Continuous Delivery
9 3 (8.33%) Mentoring
Programming Languages
1 14 (38.89%) Java
2 12 (33.33%) JavaScript
3 10 (27.78%) C#
4 7 (19.44%) Scala
5 5 (13.89%) TypeScript
6 4 (11.11%) Python
6 4 (11.11%) SQL
7 2 (5.56%) Go
7 2 (5.56%) Shell Script
8 1 (2.78%) PHP
8 1 (2.78%) Ruby
Qualifications
1 4 (11.11%) Security Cleared
2 1 (2.78%) SC Cleared
Quality Assurance & Compliance
1 4 (11.11%) QA
2 1 (2.78%) WAI
2 1 (2.78%) WCAG
System Software
1 1 (2.78%) Docker
Vendors
1 5 (13.89%) Oracle
2 3 (8.33%) HP
3 1 (2.78%) Microsoft