The table below looks at the statistics for TDD skills in IT contracts advertised for the Slough region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 29 August 2014 with a comparison to the same period in 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.

Location
3 months to
29 Aug 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 16 33 27
Rank change year-on-year
+17 -6
Contract jobs citing TDD 21 3 2
As % of all contract IT jobs located in Slough 7.69% 1.18% 1.18%
As % of the Processes & Methodologies category 9.46% 1.66% 1.64%
Number of daily rates quoted 16 0 2
Average daily rate
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£340 - £175
UK excluding London average daily rate £375 £350 £325
% change year-on-year
+7.14% +7.69%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £71.00 £32.50 £37.50
% change year-on-year
+118.46% -13.33%
TDD
Berkshire

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

Processes & Methodologies Category
Slough
Contract IT job ads with a match in the
Processes & Methodologies category
222 181 122
As % of all contract IT jobs located in Slough 81.32% 70.98% 71.76%
Number of daily rates quoted 138 98 73
Average daily rate £350 £363 £425
Average daily rate % change year-on-year
-3.44% -14.70%
90% offered a daily rate of more than £240 £220 £275
10% offered a daily rate of more than £490 £475 £455
UK excluding London average daily rate £375 £370 £360
% change year-on-year
+1.35% +2.77%
Number of hourly rates quoted 4 2 3
Average hourly rate £23.50 £45.00 £15.00
Average hourly rate % change year-on-year
-47.77% +200.00%
90% offered a hourly rate of more than £11.00 £26.80 £10.39
10% offered a hourly rate of more than £44.50 £45.00 £45.00
UK excluding London average hourly rate £25.50 £30.00 £31.00
% change year-on-year
-15.00% -3.22%

TDD
Jobs Demand Trend in Slough

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Slough region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Slough

TDD
Daily Rate Trend in Slough

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

TDD Daily Rate Trend in Slough

TDD
Daily Rate Histogram in Slough

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Slough region over the 3 months to 29 August 2014.

TDD Daily Rate Histogram in Slough

TDD
Top 30 Related IT Skills in Slough

For the 6 months to 29 August 2014, IT contractor jobs across the Slough region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 17 (62.96%) Scrum
2 12 (44.44%) OO
2 12 (44.44%) Git (software)
3 11 (40.74%) HTML
3 11 (40.74%) Java
3 11 (40.74%) JavaScript
4 9 (33.33%) Agile Software Development
4 9 (33.33%) Pair Programming
4 9 (33.33%) Continuous Integration
4 9 (33.33%) Open Source
5 8 (29.63%) Groovy
5 8 (29.63%) jQuery
5 8 (29.63%) HTML5
5 8 (29.63%) CSS3
5 8 (29.63%) QUnit
5 8 (29.63%) Jasmine
5 8 (29.63%) Sass
5 8 (29.63%) Grunt
5 8 (29.63%) MySQL
5 8 (29.63%) CSS
5 8 (29.63%) Linux
6 7 (25.93%) SOAP
6 7 (25.93%) Scala
7 6 (22.22%) RESTful
7 6 (22.22%) Performance Tuning
7 6 (22.22%) SQL Server 2012
7 6 (22.22%) SQL Server
7 6 (22.22%) SQL
7 6 (22.22%) SOA
7 6 (22.22%) Logistics

TDD
Top Related IT Skills in Slough by Category

For the 6 months to 29 August 2014, IT contractor jobs across the Slough region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 2 (7.41%) Alfresco
1 2 (7.41%) Apache
1 2 (7.41%) Tomcat
1 2 (7.41%) Liferay
2 1 (3.70%) Cloud Foundry
Business Applications
1 1 (3.70%) SAP Oil and Gas
Cloud Services
1 2 (7.41%) GitHub
2 1 (3.70%) PaaS
Communications & Networking
1 1 (3.70%) Internet
Database & Business Intelligence
1 8 (29.63%) MySQL
2 6 (22.22%) SQL Server 2012
2 6 (22.22%) SQL Server
3 4 (14.81%) MongoDB
4 2 (7.41%) NoSQL
Development Applications
1 12 (44.44%) Git (software)
2 8 (29.63%) QUnit
2 8 (29.63%) Jasmine
2 8 (29.63%) Grunt
3 6 (22.22%) Subversion
4 4 (14.81%) Mercurial
5 2 (7.41%) JIRA
5 2 (7.41%) Eclipse
5 2 (7.41%) IntelliJ
5 2 (7.41%) Gradle
5 2 (7.41%) Jenkins
6 1 (3.70%) JBehave
6 1 (3.70%) WebDriver
6 1 (3.70%) Cucumber
6 1 (3.70%) Selenium
General
1 1 (3.70%) Marketing
1 1 (3.70%) Electronics
1 1 (3.70%) Telecoms
1 1 (3.70%) Finance
1 1 (3.70%) Manufacturing
Job Titles
1 17 (62.96%) Developer
2 9 (33.33%) Java Developer
3 8 (29.63%) Front-End Developer
4 6 (22.22%) MySQL DBA
4 6 (22.22%) DBA
5 5 (18.52%) Agile Java Developer
6 3 (11.11%) Senior Java Developer
6 3 (11.11%) Senior Developer
7 2 (7.41%) Java/J2EE Developer
8 1 (3.70%) Designer
8 1 (3.70%) QA Automation Engineer
8 1 (3.70%) Automation Engineer
8 1 (3.70%) Architect
8 1 (3.70%) Software Engineer
8 1 (3.70%) Solutions Architect
8 1 (3.70%) .NET Software Engineer
8 1 (3.70%) C# Software Engineer
8 1 (3.70%) QA Engineer
8 1 (3.70%) Solutions Designer
Libraries, Frameworks & Software Standards
1 11 (40.74%) HTML
2 8 (29.63%) jQuery
2 8 (29.63%) HTML5
2 8 (29.63%) CSS3
2 8 (29.63%) Sass
2 8 (29.63%) CSS
3 7 (25.93%) SOAP
4 6 (22.22%) RESTful
5 4 (14.81%) AngularJS
6 3 (11.11%) J2EE
6 3 (11.11%) XML
7 2 (7.41%) Spring
7 2 (7.41%) Velocity
7 2 (7.41%) JSR 168
7 2 (7.41%) XSLT
7 2 (7.41%) Struts
7 2 (7.41%) Servlets
7 2 (7.41%) .NET
7 2 (7.41%) XHTML
8 1 (3.70%) ADO.NET Entity Framework
Miscellaneous
1 9 (33.33%) Open Source
2 1 (3.70%) Digital Media
2 1 (3.70%) DTV
Operating Systems
1 8 (29.63%) Linux
2 2 (7.41%) Solaris
2 2 (7.41%) Apple iOS
2 2 (7.41%) Android
3 1 (3.70%) Windows
Processes & Methodologies
1 17 (62.96%) Scrum
2 12 (44.44%) OO
3 9 (33.33%) Agile Software Development
3 9 (33.33%) Pair Programming
3 9 (33.33%) Continuous Integration
4 6 (22.22%) Performance Tuning
4 6 (22.22%) SOA
4 6 (22.22%) Logistics
5 4 (14.81%) OOP
6 2 (7.41%) MVC
6 2 (7.41%) E-Commerce
6 2 (7.41%) Functional Testing
7 1 (3.70%) Test Automation
7 1 (3.70%) Automation Testing
7 1 (3.70%) Web Application Development
7 1 (3.70%) MVVM
7 1 (3.70%) BDD
7 1 (3.70%) Business Intelligence
7 1 (3.70%) Digital Marketing
7 1 (3.70%) Kanban
Programming Languages
1 11 (40.74%) Java
1 11 (40.74%) JavaScript
2 8 (29.63%) Groovy
3 7 (25.93%) Scala
4 6 (22.22%) SQL
5 1 (3.70%) C#
5 1 (3.70%) Perl
5 1 (3.70%) Ruby
Quality Assurance & Compliance
1 1 (3.70%) QA
Vendors
1 2 (7.41%) GigaSpaces
2 1 (3.70%) SAP