The table below looks at the statistics for TDD skills in IT contracts advertised for the South 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 17 15 17
Rank change year-on-year
-2 +2
Contract jobs citing TDD 36 68 62
As % of all contract IT jobs located in South Wales 7.61% 11.53% 9.51%
As % of the Processes & Methodologies category 9.89% 14.14% 11.55%
Number of daily rates quoted 32 59 47
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 £338
10% offered a daily rate of more than £500 £450 £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
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 South Wales region.

Processes & Methodologies Category
South Wales
Contract IT job ads with a match in the
Processes & Methodologies category
364 481 537
As % of all contract IT jobs located in South Wales 76.96% 81.53% 82.36%
Number of daily rates quoted 259 380 346
Median daily rate £390 £350 £388
Median daily rate % change year-on-year
+11.42% -9.67%
90% offered a daily rate of more than £275 £275 £250
10% offered a daily rate of more than £500 £450 £525
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 16 16 10
Median hourly rate £35.00 £15.25 £17.50
Median hourly rate % change year-on-year
+129.50% -12.85%
90% offered a hourly rate of more than £12.60 £10.70 £13.00
10% offered a hourly rate of more than £72.50 £16.80 £25.00
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 South Wales

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

TDD Jobs Demand Trend in South Wales

TDD
Daily Rate Trend in South Wales

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

TDD Daily Rate Trend in South Wales

TDD
Daily Rate Histogram in South Wales

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the South Wales region over the 3 months to 25 June 2016.

TDD Daily Rate Histogram in South Wales

TDD
Hourly Rate Trend in South Wales

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

TDD Hourly Rate Trend in South Wales

TDD
Contract Job Locations in South 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 South 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
Cardiff +5 24 £388 -1.89% 1
Newport -10 5 £500 +25.00% 1
TDD
Wales

TDD
Top 30 Related IT Skills in South 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 South Wales region with a requirement for TDD.

1 117 (90.70%) Agile Software Development
2 89 (68.99%) jQuery
3 85 (65.89%) Selenium
4 76 (58.91%) JavaScript
5 74 (57.36%) Java
6 65 (50.39%) Cucumber
7 60 (46.51%) Unix
7 60 (46.51%) Scrum
8 59 (45.74%) Web Development
9 58 (44.96%) CSS
9 58 (44.96%) OO
10 57 (44.19%) Perl
11 54 (41.86%) Software Engineering
12 49 (37.98%) .NET
13 44 (34.11%) Visual Studio
13 44 (34.11%) BDD
14 41 (31.78%) HTML
15 38 (29.46%) Legal
16 37 (28.68%) C#
17 35 (27.13%) MVC
18 34 (26.36%) Unit Testing
19 33 (25.58%) Security Cleared
20 32 (24.81%) SQL Server
21 31 (24.03%) SQL
21 31 (24.03%) ASP.NET Web API
22 30 (23.26%) WCF
23 29 (22.48%) Finance
24 27 (20.93%) AngularJS
24 27 (20.93%) MongoDB
24 27 (20.93%) NoSQL

TDD
Top Related IT Skills in South 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 14 (10.85%) Elasticsearch
2 9 (6.98%) Confluence
2 9 (6.98%) FileNet
2 9 (6.98%) LiveCycle
3 8 (6.20%) IIS
3 8 (6.20%) Tomcat
4 7 (5.43%) GeoServer
4 7 (5.43%) JBoss
5 2 (1.55%) CMS
5 2 (1.55%) Sitecore CMS
5 2 (1.55%) Umbraco
6 1 (0.78%) Apache
Applications
1 7 (5.43%) Gliffy
2 6 (4.65%) MS Excel
Business Applications
1 2 (1.55%) SAP Oil and Gas
Cloud Services
1 4 (3.10%) PaaS
1 4 (3.10%) SaaS
2 1 (0.78%) Google Play
Communications & Networking
1 3 (2.33%) FTP
2 2 (1.55%) HTTP
Database & Business Intelligence
1 32 (24.81%) SQL Server
2 27 (20.93%) MongoDB
2 27 (20.93%) NoSQL
3 16 (12.40%) Redis
4 11 (8.53%) SQL Server 2008
4 11 (8.53%) SQL Server 2012
5 9 (6.98%) SQL Server Reporting Services
6 7 (5.43%) BusinessObjects
6 7 (5.43%) SQL Server Integration Services
7 4 (3.10%) Couchbase
8 2 (1.55%) Neo4j
8 2 (1.55%) Relational Database
Development Applications
1 85 (65.89%) Selenium
2 65 (50.39%) Cucumber
3 44 (34.11%) Visual Studio
4 24 (18.60%) Git (software)
5 21 (16.28%) SpecFlow
6 20 (15.50%) MbUnit
6 20 (15.50%) MSTest
6 20 (15.50%) NUnit
7 13 (10.08%) WebDriver
8 12 (9.30%) Subversion
9 10 (7.75%) JIRA
9 10 (7.75%) Team Foundation Server
10 9 (6.98%) Ant
10 9 (6.98%) Hudson
10 9 (6.98%) JMeter
10 9 (6.98%) Maven
11 8 (6.20%) JUnit
12 7 (5.43%) DbUnit
12 7 (5.43%) Eclipse
12 7 (5.43%) Spock
General
1 38 (29.46%) Legal
2 29 (22.48%) Finance
3 6 (4.65%) Back Office
4 3 (2.33%) Publishing
5 2 (1.55%) Electronics
5 2 (1.55%) Manufacturing
5 2 (1.55%) Marketing
5 2 (1.55%) Telecoms
Job Titles
1 110 (85.27%) Developer
2 32 (24.81%) Web Developer
3 23 (17.83%) Agile Developer
4 21 (16.28%) Perl Developer
5 20 (15.50%) Java Developer
6 19 (14.73%) .NET Developer
7 17 (13.18%) Senior Agile Developer
7 17 (13.18%) Senior Developer
8 15 (11.63%) JavaScript Developer
9 14 (10.85%) Website Developer
10 8 (6.20%) SC Cleared Java Developer
10 8 (6.20%) Unix Developer
11 6 (4.65%) Architect
11 6 (4.65%) ASP.NET MVC Developer
11 6 (4.65%) Perl Web Developer
11 6 (4.65%) Tester
12 5 (3.88%) Technical Architect
13 4 (3.10%) Analyst
13 4 (3.10%) Test Analyst
14 3 (2.33%) Java Web Developer
Libraries, Frameworks & Software Standards
1 89 (68.99%) jQuery
2 58 (44.96%) CSS
3 49 (37.98%) .NET
4 41 (31.78%) HTML
5 31 (24.03%) ASP.NET Web API
6 30 (23.26%) WCF
7 27 (20.93%) AngularJS
8 25 (19.38%) REST
9 23 (17.83%) KnockoutJS
9 23 (17.83%) Mojolicious
10 20 (15.50%) CSS3
10 20 (15.50%) HTML5
11 19 (14.73%) RESTful
12 18 (13.95%) XML
13 16 (12.40%) Kafka
14 15 (11.63%) Ajax
15 13 (10.08%) SOAP
16 10 (7.75%) .NET Framework
16 10 (7.75%) Hibernate
16 10 (7.75%) Spring
Miscellaneous
1 7 (5.43%) Replication
2 3 (2.33%) Mobile App
2 3 (2.33%) Public Cloud
3 1 (0.78%) Enterprise Software
3 1 (0.78%) N-Tier
Operating Systems
1 60 (46.51%) Unix
2 7 (5.43%) Linux
3 2 (1.55%) Mac OS X
4 1 (0.78%) Android
Processes & Methodologies
1 117 (90.70%) Agile Software Development
2 60 (46.51%) Scrum
3 59 (45.74%) Web Development
4 58 (44.96%) OO
5 54 (41.86%) Software Engineering
6 44 (34.11%) BDD
7 35 (27.13%) MVC
8 34 (26.36%) Unit Testing
9 26 (20.16%) Test-First Development
10 21 (16.28%) Continuous Integration
11 20 (15.50%) ATDD
11 20 (15.50%) DevOps
12 16 (12.40%) Mentoring
13 12 (9.30%) Kanban
14 9 (6.98%) SOA
15 8 (6.20%) Document Management
15 8 (6.20%) Non-Functional Testing
15 8 (6.20%) Test Automation
16 7 (5.43%) Regression Testing
17 6 (4.65%) Service Delivery
Programming Languages
1 76 (58.91%) JavaScript
2 74 (57.36%) Java
3 57 (44.19%) Perl
4 37 (28.68%) C#
5 31 (24.03%) SQL
6 20 (15.50%) TypeScript
7 17 (13.18%) Scala
8 16 (12.40%) Go
9 10 (7.75%) T-SQL
10 4 (3.10%) PHP
10 4 (3.10%) Python
11 1 (0.78%) ANSI SQL
11 1 (0.78%) XPath
Qualifications
1 33 (25.58%) Security Cleared
2 21 (16.28%) SC Cleared
3 12 (9.30%) BPSS Clearance
4 9 (6.98%) ISEB
5 5 (3.88%) BC Cleared
5 5 (3.88%) DV Cleared
6 2 (1.55%) ISTQB
Quality Assurance & Compliance
1 13 (10.08%) Disclosure Scotland
2 10 (7.75%) QA
3 5 (3.88%) HMG Security Policy Framework
3 5 (3.88%) ISO/IEC 27001
4 2 (1.55%) SDET
Vendors
1 9 (6.98%) Adobe
1 9 (6.98%) ILOG
1 9 (6.98%) Microsoft
1 9 (6.98%) Splunk
2 7 (5.43%) Kofax
3 3 (2.33%) Sitecore
4 2 (1.55%) Alterian
4 2 (1.55%) SAP
5 1 (0.78%) Google