The table below looks at the statistics for TDD skills in IT contracts advertised for the Wales region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 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
30 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 14 16 17
Rank change year-on-year
+2 +1
Contract jobs citing TDD 62 76 78
As % of all contract IT jobs located in Wales 11.65% 9.52% 9.31%
As % of the Processes & Methodologies category 15.38% 11.62% 11.75%
Number of daily rates quoted 48 66 68
Median daily rate £388 £400 £450
Median daily rate % change year-on-year
-3.12% -11.11%
90% offered a daily rate of more than £290 £325 £306
10% offered a daily rate of more than £508 £463 £525
UK excluding London median daily rate £413 £380 £375
% change year-on-year
+8.55% +1.33%
Number of hourly rates quoted 3 0 0
Median hourly rate £43.50 - -
UK excluding London median hourly rate £42.40 £42.50 £59.50
% change year-on-year
-0.24% -28.57%
TDD
UK

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

Processes & Methodologies Category
Wales
Contract IT job ads with a match in the
Processes & Methodologies category
403 654 664
As % of all contract IT jobs located in Wales 75.75% 81.95% 79.24%
Number of daily rates quoted 275 445 424
Median daily rate £388 £365 £400
Median daily rate % change year-on-year
+6.16% -8.75%
90% offered a daily rate of more than £290 £275 £300
10% offered a daily rate of more than £550 £463 £525
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 25 22 11
Median hourly rate £41.50 £15.25 £25.00
Median hourly rate % change year-on-year
+172.13% -39.00%
90% offered a hourly rate of more than £11.30 £12.35 £15.32
10% offered a hourly rate of more than £47.00 £34.50 £52.50
UK excluding London median hourly rate £32.50 £30.00 £30.00
% change year-on-year
+8.33% -

TDD
Jobs Demand Trend in Wales

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

TDD Jobs Demand Trend in Wales

TDD
Daily Rate Trend in Wales

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

TDD Daily Rate Trend in Wales

TDD
Daily Rate Histogram in Wales

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Wales region over the 3 months to 30 May 2016.

TDD Daily Rate Histogram in Wales

TDD
Hourly Rate Trend in Wales

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

TDD Hourly Rate Trend in Wales

TDD
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Wales region over the 3 months to 30 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +1 57 £388 -3.12% 5
West Wales +5 2 £450 -6.49% 1
TDD
UK

TDD
Top 30 Related IT Skills in Wales

For the 6 months to 30 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 Wales region with a requirement for TDD.

1 128 (90.14%) Agile Software Development
2 94 (66.20%) jQuery
3 93 (65.49%) Selenium
4 91 (64.08%) Java
5 79 (55.63%) JavaScript
6 77 (54.23%) Cucumber
7 69 (48.59%) OO
8 67 (47.18%) Unix
9 65 (45.77%) Software Engineering
10 64 (45.07%) Perl
11 61 (42.96%) Scrum
12 59 (41.55%) CSS
13 58 (40.85%) Web Development
14 50 (35.21%) .NET
15 49 (34.51%) BDD
16 45 (31.69%) Visual Studio
17 43 (30.28%) Legal
18 42 (29.58%) HTML
19 41 (28.87%) SQL
20 39 (27.46%) MVC
21 37 (26.06%) Security Cleared
22 36 (25.35%) C#
22 36 (25.35%) Unit Testing
23 34 (23.94%) SQL Server
24 31 (21.83%) MongoDB
25 30 (21.13%) NoSQL
25 30 (21.13%) ASP.NET Web API
26 29 (20.42%) Git (software)
26 29 (20.42%) RESTful
26 29 (20.42%) WCF

TDD
Top Related IT Skills in Wales 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 19 (13.38%) Elasticsearch
2 10 (7.04%) Confluence
2 10 (7.04%) FileNet
2 10 (7.04%) LiveCycle
3 8 (5.63%) IIS
3 8 (5.63%) Tomcat
4 7 (4.93%) GeoServer
4 7 (4.93%) JBoss
5 4 (2.82%) Apache Solr
6 2 (1.41%) CMS
6 2 (1.41%) Sitecore CMS
6 2 (1.41%) Umbraco
7 1 (0.70%) Apache
Applications
1 7 (4.93%) Gliffy
2 6 (4.23%) MS Excel
Cloud Services
1 1 (0.70%) Google Play
Communications & Networking
1 4 (2.82%) HTTP
2 3 (2.11%) FTP
3 2 (1.41%) Internet
Database & Business Intelligence
1 34 (23.94%) SQL Server
2 31 (21.83%) MongoDB
3 30 (21.13%) NoSQL
4 21 (14.79%) Redis
5 10 (7.04%) SQL Server 2008
5 10 (7.04%) SQL Server 2012
5 10 (7.04%) SQL Server Reporting Services
6 7 (4.93%) BusinessObjects
6 7 (4.93%) SQL Server Integration Services
7 2 (1.41%) Couchbase
7 2 (1.41%) Neo4j
7 2 (1.41%) PostgreSQL
7 2 (1.41%) Relational Database
Development Applications
1 93 (65.49%) Selenium
2 77 (54.23%) Cucumber
3 45 (31.69%) Visual Studio
4 29 (20.42%) Git (software)
5 22 (15.49%) SpecFlow
6 18 (12.68%) MbUnit
6 18 (12.68%) MSTest
6 18 (12.68%) NUnit
6 18 (12.68%) Subversion
7 15 (10.56%) WebDriver
8 11 (7.75%) JIRA
8 11 (7.75%) JMeter
8 11 (7.75%) Team Foundation Server
9 10 (7.04%) Ant
9 10 (7.04%) Hudson
9 10 (7.04%) Maven
10 8 (5.63%) JUnit
11 7 (4.93%) DbUnit
11 7 (4.93%) Eclipse
11 7 (4.93%) Spock
General
1 43 (30.28%) Legal
2 28 (19.72%) Finance
3 6 (4.23%) Back Office
4 3 (2.11%) Publishing
Job Titles
1 123 (86.62%) Developer
2 33 (23.24%) Web Developer
3 29 (20.42%) Java Developer
4 24 (16.90%) Agile Developer
5 23 (16.20%) Perl Developer
6 18 (12.68%) .NET Developer
6 18 (12.68%) Senior Developer
7 17 (11.97%) Senior Agile Developer
8 15 (10.56%) JavaScript Developer
8 15 (10.56%) Website Developer
9 9 (6.34%) SC Cleared Java Developer
10 8 (5.63%) Tester
10 8 (5.63%) Unix Developer
11 6 (4.23%) ASP.NET MVC Developer
11 6 (4.23%) Perl Web Developer
12 4 (2.82%) Analyst
12 4 (2.82%) Software Engineer
12 4 (2.82%) Test Analyst
13 3 (2.11%) C# Developer
13 3 (2.11%) Test Engineer
Libraries, Frameworks & Software Standards
1 94 (66.20%) jQuery
2 59 (41.55%) CSS
3 50 (35.21%) .NET
4 42 (29.58%) HTML
5 30 (21.13%) ASP.NET Web API
6 29 (20.42%) RESTful
6 29 (20.42%) WCF
7 27 (19.01%) Mojolicious
8 25 (17.61%) AngularJS
9 23 (16.20%) REST
10 21 (14.79%) Kafka
10 21 (14.79%) KnockoutJS
11 20 (14.08%) XML
12 18 (12.68%) CSS3
12 18 (12.68%) HTML5
13 17 (11.97%) Ajax
14 14 (9.86%) SOAP
15 12 (8.45%) OAuth2
15 12 (8.45%) Spring
16 11 (7.75%) .NET Framework
Miscellaneous
1 7 (4.93%) Replication
2 5 (3.52%) Inversion of Control
3 3 (2.11%) Mobile App
4 2 (1.41%) Computer Science
5 1 (0.70%) Enterprise Software
5 1 (0.70%) N-Tier
5 1 (0.70%) User Experience
Operating Systems
1 67 (47.18%) Unix
2 7 (4.93%) Linux
3 2 (1.41%) Android
3 2 (1.41%) Mac OS X
Processes & Methodologies
1 128 (90.14%) Agile Software Development
2 69 (48.59%) OO
3 65 (45.77%) Software Engineering
4 61 (42.96%) Scrum
5 58 (40.85%) Web Development
6 49 (34.51%) BDD
7 39 (27.46%) MVC
8 36 (25.35%) Unit Testing
9 26 (18.31%) Test-First Development
10 19 (13.38%) Continuous Integration
11 18 (12.68%) ATDD
11 18 (12.68%) DevOps
12 16 (11.27%) Mentoring
13 14 (9.86%) SOA
14 10 (7.04%) Non-Functional Testing
15 9 (6.34%) Document Management
15 9 (6.34%) Kanban
15 9 (6.34%) Regression Testing
16 8 (5.63%) Test Scripting
17 7 (4.93%) OOP
Programming Languages
1 91 (64.08%) Java
2 79 (55.63%) JavaScript
3 64 (45.07%) Perl
4 41 (28.87%) SQL
5 36 (25.35%) C#
6 24 (16.90%) Scala
7 22 (15.49%) Go
8 18 (12.68%) TypeScript
9 11 (7.75%) T-SQL
10 5 (3.52%) PHP
10 5 (3.52%) Python
11 4 (2.82%) Ruby
12 1 (0.70%) ANSI SQL
12 1 (0.70%) XPath
Qualifications
1 37 (26.06%) Security Cleared
2 23 (16.20%) SC Cleared
3 12 (8.45%) BPSS Clearance
4 10 (7.04%) ISEB
5 5 (3.52%) BC Cleared
5 5 (3.52%) DV Cleared
6 2 (1.41%) Degree
6 2 (1.41%) ISTQB
Quality Assurance & Compliance
1 14 (9.86%) Disclosure Scotland
2 10 (7.04%) QA
3 6 (4.23%) HMG Security Policy Framework
3 6 (4.23%) ISO/IEC 27001
4 2 (1.41%) SDET
Vendors
1 10 (7.04%) Adobe
1 10 (7.04%) ILOG
1 10 (7.04%) Microsoft
1 10 (7.04%) Splunk
2 7 (4.93%) Kofax
3 3 (2.11%) Sitecore
4 2 (1.41%) Alterian
5 1 (0.70%) Google