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 25 June 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 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 18 19 16
Rank change year-on-year
+1 -3
Contract jobs citing TDD 43 77 86
As % of all contract IT jobs located in Wales 7.80% 8.92% 10.49%
As % of the Processes & Methodologies category 10.21% 11.06% 12.97%
Number of daily rates quoted 37 67 70
Median daily rate £400 £400 £450
Median daily rate % change year-on-year
- -11.11%
90% offered a daily rate of more than £290 £325 £300
10% offered a daily rate of more than £525 £463 £525
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £43.75 £59.50
% change year-on-year
-8.57% -26.47%
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
421 696 663
As % of all contract IT jobs located in Wales 76.41% 80.65% 80.85%
Number of daily rates quoted 296 486 426
Median daily rate £400 £363 £400
Median daily rate % change year-on-year
+10.34% -9.37%
90% offered a daily rate of more than £285 £270 £300
10% offered a daily rate of more than £540 £463 £525
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 19 23 13
Median hourly rate £35.00 £14.88 £25.00
Median hourly rate % change year-on-year
+135.29% -40.50%
90% offered a hourly rate of more than £10.83 £12.16 £13.30
10% offered a hourly rate of more than £72.50 £21.75 £52.50
UK excluding London median hourly rate £28.50 £30.00 £29.50
% change year-on-year
-5.00% +1.69%

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 25 June 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 25 June 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 -2 36 £400 - 2
West Wales +11 2 £450 -10.00%
TDD
UK

TDD
Top 30 Related IT Skills in Wales

For the 6 months to 25 June 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.

1 130 (90.91%) Agile Software Development
2 94 (65.73%) jQuery
3 92 (64.34%) Selenium
4 83 (58.04%) Java
5 80 (55.94%) JavaScript
6 71 (49.65%) Cucumber
7 68 (47.55%) Scrum
8 64 (44.76%) Unix
9 62 (43.36%) OO
10 61 (42.66%) Perl
11 60 (41.96%) CSS
11 60 (41.96%) Web Development
12 58 (40.56%) Software Engineering
13 52 (36.36%) .NET
14 48 (33.57%) BDD
15 47 (32.87%) Visual Studio
16 43 (30.07%) HTML
17 42 (29.37%) Legal
18 39 (27.27%) Security Cleared
19 38 (26.57%) C#
20 37 (25.87%) Unit Testing
21 36 (25.17%) SQL Server
21 36 (25.17%) MVC
22 35 (24.48%) SQL
23 32 (22.38%) ASP.NET Web API
24 31 (21.68%) WCF
25 30 (20.98%) Finance
25 30 (20.98%) MongoDB
25 30 (20.98%) NoSQL
25 30 (20.98%) REST

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 17 (11.89%) Elasticsearch
2 10 (6.99%) Confluence
2 10 (6.99%) FileNet
2 10 (6.99%) LiveCycle
3 8 (5.59%) IIS
3 8 (5.59%) Tomcat
4 7 (4.90%) GeoServer
4 7 (4.90%) JBoss
5 2 (1.40%) CMS
5 2 (1.40%) Sitecore CMS
5 2 (1.40%) Umbraco
6 1 (0.70%) Apache
Applications
1 7 (4.90%) Gliffy
2 6 (4.20%) MS Excel
Business Applications
1 2 (1.40%) SAP Oil and Gas
Cloud Services
1 8 (5.59%) PaaS
1 8 (5.59%) SaaS
2 1 (0.70%) Google Play
Communications & Networking
1 3 (2.10%) FTP
2 2 (1.40%) HTTP
Database & Business Intelligence
1 36 (25.17%) SQL Server
2 30 (20.98%) MongoDB
2 30 (20.98%) NoSQL
3 19 (13.29%) Redis
4 12 (8.39%) SQL Server 2008
4 12 (8.39%) SQL Server 2012
5 10 (6.99%) SQL Server Reporting Services
6 7 (4.90%) BusinessObjects
6 7 (4.90%) SQL Server Integration Services
7 4 (2.80%) Couchbase
8 2 (1.40%) Neo4j
8 2 (1.40%) Relational Database
9 1 (0.70%) PostgreSQL
Development Applications
1 92 (64.34%) Selenium
2 71 (49.65%) Cucumber
3 47 (32.87%) Visual Studio
4 26 (18.18%) Git (software)
5 24 (16.78%) SpecFlow
6 20 (13.99%) MbUnit
6 20 (13.99%) MSTest
6 20 (13.99%) NUnit
7 15 (10.49%) WebDriver
8 13 (9.09%) Subversion
9 11 (7.69%) JIRA
9 11 (7.69%) JMeter
9 11 (7.69%) Team Foundation Server
10 10 (6.99%) Ant
10 10 (6.99%) Hudson
10 10 (6.99%) Maven
11 8 (5.59%) JUnit
12 7 (4.90%) DbUnit
12 7 (4.90%) Eclipse
12 7 (4.90%) Spock
General
1 42 (29.37%) Legal
2 30 (20.98%) Finance
3 6 (4.20%) Back Office
4 3 (2.10%) Publishing
5 2 (1.40%) Electronics
5 2 (1.40%) Manufacturing
5 2 (1.40%) Marketing
5 2 (1.40%) Telecoms
Job Titles
1 118 (82.52%) Developer
2 33 (23.08%) Web Developer
3 25 (17.48%) Java Developer
4 24 (16.78%) Agile Developer
5 22 (15.38%) Perl Developer
6 20 (13.99%) .NET Developer
7 18 (12.59%) Senior Developer
8 17 (11.89%) Senior Agile Developer
9 15 (10.49%) JavaScript Developer
9 15 (10.49%) Website Developer
10 10 (6.99%) Architect
11 9 (6.29%) SC Cleared Java Developer
11 9 (6.29%) Technical Architect
12 8 (5.59%) Tester
12 8 (5.59%) Unix Developer
13 6 (4.20%) ASP.NET MVC Developer
13 6 (4.20%) Perl Web Developer
14 4 (2.80%) Analyst
14 4 (2.80%) Test Analyst
15 3 (2.10%) Java Web Developer
Libraries, Frameworks & Software Standards
1 94 (65.73%) jQuery
2 60 (41.96%) CSS
3 52 (36.36%) .NET
4 43 (30.07%) HTML
5 32 (22.38%) ASP.NET Web API
6 31 (21.68%) WCF
7 30 (20.98%) REST
8 27 (18.88%) AngularJS
9 25 (17.48%) Mojolicious
10 23 (16.08%) KnockoutJS
11 22 (15.38%) RESTful
12 20 (13.99%) CSS3
12 20 (13.99%) HTML5
13 19 (13.29%) Kafka
13 19 (13.29%) XML
14 16 (11.19%) Ajax
15 14 (9.79%) SOAP
16 11 (7.69%) .NET Framework
16 11 (7.69%) Spring
17 10 (6.99%) JSF
Miscellaneous
1 7 (4.90%) Replication
2 6 (4.20%) Public Cloud
3 3 (2.10%) Mobile App
4 1 (0.70%) Enterprise Software
4 1 (0.70%) N-Tier
Operating Systems
1 64 (44.76%) Unix
2 7 (4.90%) Linux
3 2 (1.40%) Mac OS X
4 1 (0.70%) Android
Processes & Methodologies
1 130 (90.91%) Agile Software Development
2 68 (47.55%) Scrum
3 62 (43.36%) OO
4 60 (41.96%) Web Development
5 58 (40.56%) Software Engineering
6 48 (33.57%) BDD
7 37 (25.87%) Unit Testing
8 36 (25.17%) MVC
9 28 (19.58%) Test-First Development
10 21 (14.69%) Continuous Integration
11 20 (13.99%) ATDD
11 20 (13.99%) DevOps
12 17 (11.89%) Kanban
13 16 (11.19%) Mentoring
14 10 (6.99%) Non-Functional Testing
14 10 (6.99%) SOA
15 9 (6.29%) Configuration Management
15 9 (6.29%) Document Management
15 9 (6.29%) Regression Testing
16 8 (5.59%) Service Management
Programming Languages
1 83 (58.04%) Java
2 80 (55.94%) JavaScript
3 61 (42.66%) Perl
4 38 (26.57%) C#
5 35 (24.48%) SQL
6 22 (15.38%) Scala
7 20 (13.99%) Go
7 20 (13.99%) TypeScript
8 11 (7.69%) T-SQL
9 5 (3.50%) PHP
9 5 (3.50%) Python
10 1 (0.70%) ANSI SQL
10 1 (0.70%) Ruby
10 1 (0.70%) XPath
Qualifications
1 39 (27.27%) Security Cleared
2 26 (18.18%) SC Cleared
3 12 (8.39%) BPSS Clearance
4 10 (6.99%) ISEB
5 5 (3.50%) BC Cleared
5 5 (3.50%) DV Cleared
6 2 (1.40%) ISTQB
Quality Assurance & Compliance
1 14 (9.79%) Disclosure Scotland
2 10 (6.99%) QA
3 6 (4.20%) HMG Security Policy Framework
3 6 (4.20%) ISO/IEC 27001
4 2 (1.40%) SDET
Systems Management
1 1 (0.70%) Opscode Chef
1 1 (0.70%) Puppet
Vendors
1 10 (6.99%) Adobe
1 10 (6.99%) ILOG
1 10 (6.99%) Microsoft
1 10 (6.99%) Splunk
2 7 (4.90%) Kofax
3 3 (2.10%) Sitecore
4 2 (1.40%) Alterian
4 2 (1.40%) SAP
5 1 (0.70%) Google