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 25 May 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
25 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 6 17 15
Rank change year-on-year
+11 -2
Contract jobs citing TDD 58 23 45
As % of all contract IT jobs located in Cardiff 19.33% 8.39% 11.34%
As % of the Processes & Methodologies category 25.78% 10.09% 13.24%
Number of daily rates quoted 52 21 40
Median daily rate £375 £400 £450
Median daily rate % change year-on-year
-6.25% -11.11%
90% offered a daily rate of more than £325 £350 £348
10% offered a daily rate of more than £498 £450 £525
UK excluding London median daily rate £413 £388 £375
% change year-on-year
+6.45% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £42.50 £45.00
% change year-on-year
- -5.55%
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
225 228 340
As % of all contract IT jobs located in Cardiff 75.00% 83.21% 85.64%
Number of daily rates quoted 163 184 238
Median daily rate £388 £350 £375
Median daily rate % change year-on-year
+10.71% -6.66%
90% offered a daily rate of more than £275 £255 £242
10% offered a daily rate of more than £500 £450 £500
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 5 7 1
Median hourly rate £17.50 £16.00 £27.50
Median hourly rate % change year-on-year
+9.37% -41.81%
UK excluding London median hourly rate £33.75 £30.50 £30.00
% change year-on-year
+10.65% +1.66%

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 25 May 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 25 May 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.

1 104 (94.55%) Agile Software Development
2 81 (73.64%) jQuery
3 73 (66.36%) Java
4 71 (64.55%) JavaScript
5 68 (61.82%) Selenium
6 64 (58.18%) OO
7 63 (57.27%) Software Engineering
8 61 (55.45%) Unix
9 60 (54.55%) Cucumber
10 59 (53.64%) Perl
11 53 (48.18%) CSS
12 50 (45.45%) Web Development
13 44 (40.00%) Legal
14 41 (37.27%) Scrum
15 37 (33.64%) HTML
16 36 (32.73%) SQL
17 30 (27.27%) MongoDB
17 30 (27.27%) RESTful
18 28 (25.45%) BDD
19 27 (24.55%) NoSQL
19 27 (24.55%) Mojolicious
20 26 (23.64%) MVC
20 26 (23.64%) .NET
21 24 (21.82%) Visual Studio
21 24 (21.82%) Scala
22 23 (20.91%) Go
22 23 (20.91%) Kafka
22 23 (20.91%) AngularJS
22 23 (20.91%) C#
22 23 (20.91%) Finance

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 16 (14.55%) Elasticsearch
2 9 (8.18%) Confluence
2 9 (8.18%) FileNet
2 9 (8.18%) LiveCycle
3 8 (7.27%) IIS
3 8 (7.27%) Tomcat
4 7 (6.36%) GeoServer
4 7 (6.36%) JBoss
5 4 (3.64%) Apache Solr
6 2 (1.82%) CMS
6 2 (1.82%) Sitecore CMS
6 2 (1.82%) Umbraco
7 1 (0.91%) Apache
Applications
1 7 (6.36%) Gliffy
2 6 (5.45%) MS Excel
Cloud Services
1 1 (0.91%) Google Play
Communications & Networking
1 4 (3.64%) HTTP
2 3 (2.73%) FTP
3 2 (1.82%) Internet
Database & Business Intelligence
1 30 (27.27%) MongoDB
2 27 (24.55%) NoSQL
3 22 (20.00%) Redis
4 13 (11.82%) SQL Server
5 9 (8.18%) SQL Server Reporting Services
6 7 (6.36%) BusinessObjects
6 7 (6.36%) SQL Server Integration Services
7 2 (1.82%) Neo4j
7 2 (1.82%) Relational Database
8 1 (0.91%) PostgreSQL
8 1 (0.91%) SQL Server 2008
8 1 (0.91%) SQL Server 2012
Development Applications
1 68 (61.82%) Selenium
2 60 (54.55%) Cucumber
3 24 (21.82%) Visual Studio
4 18 (16.36%) Git (software)
5 17 (15.45%) Subversion
6 16 (14.55%) MbUnit
6 16 (14.55%) MSTest
6 16 (14.55%) NUnit
7 10 (9.09%) JIRA
8 9 (8.18%) Ant
8 9 (8.18%) Hudson
8 9 (8.18%) Maven
9 8 (7.27%) JUnit
10 7 (6.36%) DbUnit
10 7 (6.36%) Eclipse
10 7 (6.36%) Spock
11 6 (5.45%) SQL Server Management Studio (SSMS)
12 4 (3.64%) Team Foundation Server
12 4 (3.64%) WebDriver
13 3 (2.73%) SpecFlow
General
1 44 (40.00%) Legal
2 23 (20.91%) Finance
3 3 (2.73%) Publishing
4 1 (0.91%) Back Office
Job Titles
1 102 (92.73%) Developer
2 28 (25.45%) Web Developer
3 20 (18.18%) Java Developer
4 18 (16.36%) Agile Developer
5 17 (15.45%) Perl Developer
6 16 (14.55%) Senior Agile Developer
6 16 (14.55%) Senior Developer
7 14 (12.73%) Website Developer
8 11 (10.00%) JavaScript Developer
9 8 (7.27%) SC Cleared Java Developer
10 5 (4.55%) .NET Developer
11 4 (3.64%) Unix Developer
12 3 (2.73%) ASP.NET Developer
12 3 (2.73%) ASP.NET MVC Developer
12 3 (2.73%) C# .NET Developer
12 3 (2.73%) C# Developer
12 3 (2.73%) Software Developer
12 3 (2.73%) Software Engineer
13 2 (1.82%) Architect
13 2 (1.82%) Test Engineer
Libraries, Frameworks & Software Standards
1 81 (73.64%) jQuery
2 53 (48.18%) CSS
3 37 (33.64%) HTML
4 30 (27.27%) RESTful
5 27 (24.55%) Mojolicious
6 26 (23.64%) .NET
7 23 (20.91%) AngularJS
7 23 (20.91%) Kafka
8 19 (17.27%) WCF
9 18 (16.36%) XML
10 17 (15.45%) ASP.NET Web API
11 16 (14.55%) CSS3
11 16 (14.55%) HTML5
11 16 (14.55%) KnockoutJS
11 16 (14.55%) REST
12 15 (13.64%) OAuth2
13 13 (11.82%) SOAP
14 11 (10.00%) Hibernate
14 11 (10.00%) Spring
15 9 (8.18%) JSF
Miscellaneous
1 7 (6.36%) Replication
2 5 (4.55%) Inversion of Control
3 3 (2.73%) Mobile App
4 2 (1.82%) Computer Science
5 1 (0.91%) Enterprise Software
5 1 (0.91%) N-Tier
5 1 (0.91%) User Experience
Operating Systems
1 61 (55.45%) Unix
2 7 (6.36%) Linux
3 2 (1.82%) Android
3 2 (1.82%) Mac OS X
Processes & Methodologies
1 104 (94.55%) Agile Software Development
2 64 (58.18%) OO
3 63 (57.27%) Software Engineering
4 50 (45.45%) Web Development
5 41 (37.27%) Scrum
6 28 (25.45%) BDD
7 26 (23.64%) MVC
8 21 (19.09%) Unit Testing
9 17 (15.45%) Continuous Integration
9 17 (15.45%) DevOps
10 16 (14.55%) ATDD
10 16 (14.55%) Mentoring
10 16 (14.55%) Test-First Development
11 8 (7.27%) Document Management
11 8 (7.27%) SOA
12 6 (5.45%) Dependency Injection
12 6 (5.45%) Service Delivery
13 4 (3.64%) Automated Testing
13 4 (3.64%) Data Modelling
13 4 (3.64%) Test Automation
Programming Languages
1 73 (66.36%) Java
2 71 (64.55%) JavaScript
3 59 (53.64%) Perl
4 36 (32.73%) SQL
5 24 (21.82%) Scala
6 23 (20.91%) C#
6 23 (20.91%) Go
7 16 (14.55%) TypeScript
8 10 (9.09%) T-SQL
9 4 (3.64%) PHP
9 4 (3.64%) Python
10 3 (2.73%) Ruby
11 1 (0.91%) ANSI SQL
11 1 (0.91%) XPath
Qualifications
1 19 (17.27%) Security Cleared
2 10 (9.09%) SC Cleared
3 7 (6.36%) BPSS Clearance
4 5 (4.55%) BC Cleared
4 5 (4.55%) DV Cleared
5 2 (1.82%) Degree
5 2 (1.82%) ISEB
5 2 (1.82%) ISTQB
Quality Assurance & Compliance
1 10 (9.09%) QA
2 8 (7.27%) Disclosure Scotland
3 2 (1.82%) SDET
4 1 (0.91%) HMG Security Policy Framework
4 1 (0.91%) ISO/IEC 27001
Vendors
1 9 (8.18%) Adobe
1 9 (8.18%) ILOG
1 9 (8.18%) Splunk
2 7 (6.36%) Kofax
3 6 (5.45%) Microsoft
4 3 (2.73%) Sitecore
5 2 (1.82%) Alterian
6 1 (0.91%) Google