The table below looks at the statistics for TDD skills in IT contracts advertised for the Warrington region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 22 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
22 Aug 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 17 14 12
Rank change year-on-year
-3 -2
Contract jobs citing TDD 19 8 17
As % of all contract IT jobs located in Warrington 7.82% 7.62% 12.88%
As % of the Processes & Methodologies category 9.74% 10.67% 19.10%
Number of daily rates quoted 14 8 15
Average daily rate
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of your Daily Rate
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£510 £325 £350
Average daily rate % change year-on-year
+56.92% -7.14%
90% offered a daily rate of more than £322 £300 £325
10% offered a daily rate of more than £534 £336 £400
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
Cheshire

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

Processes & Methodologies Category
Warrington
Contract IT job ads with a match in the
Processes & Methodologies category
195 75 89
As % of all contract IT jobs located in Warrington 80.25% 71.43% 67.42%
Number of daily rates quoted 118 34 45
Average daily rate £495 £325 £350
Average daily rate % change year-on-year
+52.30% -7.14%
90% offered a daily rate of more than £225 £280 £275
10% offered a daily rate of more than £620 £425 £410
UK excluding London average daily rate £375 £370 £363
% change year-on-year
+1.35% +2.06%
Number of hourly rates quoted 10 2 2
Average hourly rate £15.00 £11.50 £41.50
Average hourly rate % change year-on-year
+30.43% -72.28%
UK excluding London average hourly rate £25.00 £30.00 £31.00
% change year-on-year
-16.66% -3.22%

TDD
Jobs Demand Trend in Warrington

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

TDD Jobs Demand Trend in Warrington

TDD
Daily Rate Trend in Warrington

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

TDD Daily Rate Trend in Warrington

TDD
Daily Rate Histogram in Warrington

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Warrington region over the 3 months to 22 August 2014.

TDD Daily Rate Histogram in Warrington

TDD
Top 30 Related IT Skills in Warrington

For the 6 months to 22 August 2014, IT contractor jobs across the Warrington 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 19 (90.48%) C#
1 19 (90.48%) BDD
2 17 (80.95%) Java
2 17 (80.95%) Linux
3 16 (76.19%) JavaScript
3 16 (76.19%) NoSQL
3 16 (76.19%) Open Source
4 15 (71.43%) Unit Testing
4 15 (71.43%) Ruby
4 15 (71.43%) PHP
4 15 (71.43%) SQL
4 15 (71.43%) C++
4 15 (71.43%) Python
5 14 (66.67%) Scala
6 13 (61.90%) Agile Software Development
7 11 (52.38%) JSON
7 11 (52.38%) Continuous Integration
7 11 (52.38%) Web Services
7 11 (52.38%) RESTful
8 8 (38.10%) CSS
8 8 (38.10%) HTML
9 7 (33.33%) XML
9 7 (33.33%) XHTML
9 7 (33.33%) Ajax
10 3 (14.29%) MVC
11 2 (9.52%) ASP.NET
11 2 (9.52%) .NET
12 1 (4.76%) ASP.NET MVC
12 1 (4.76%) Rhino Mocks
12 1 (4.76%) Puppet

TDD
Top Related IT Skills in Warrington by Category

For the 6 months to 22 August 2014, IT contractor jobs across the Warrington 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 1 (4.76%) Tomcat
Communications & Networking
1 1 (4.76%) HTTP
Database & Business Intelligence
1 16 (76.19%) NoSQL
2 1 (4.76%) CouchDB
2 1 (4.76%) Couchbase
2 1 (4.76%) Relational Database
2 1 (4.76%) SQL Server
Development Applications
1 1 (4.76%) Rhino Mocks
1 1 (4.76%) Team Foundation Server
1 1 (4.76%) Hudson
1 1 (4.76%) Jenkins
1 1 (4.76%) NUnit
Job Titles
1 20 (95.24%) Developer
2 6 (28.57%) Senior Developer
3 5 (23.81%) Java Developer
4 3 (14.29%) C# Developer
5 2 (9.52%) Senior Java Developer
5 2 (9.52%) Software Developer
5 2 (9.52%) C++/Java Developer
5 2 (9.52%) Agile C# Developer
6 1 (4.76%) Senior Architect
6 1 (4.76%) C# .NET Developer
6 1 (4.76%) Java Architect
6 1 (4.76%) Senior Java Architect
6 1 (4.76%) C++ Team Leader
6 1 (4.76%) Lead Java Developer
6 1 (4.76%) Architect
6 1 (4.76%) Lead Developer
6 1 (4.76%) Web Developer
6 1 (4.76%) Senior C++ Developer
6 1 (4.76%) Team Leader
6 1 (4.76%) Java Team Leader
Libraries, Frameworks & Software Standards
1 11 (52.38%) JSON
1 11 (52.38%) Web Services
1 11 (52.38%) RESTful
2 8 (38.10%) CSS
2 8 (38.10%) HTML
3 7 (33.33%) XML
3 7 (33.33%) XHTML
3 7 (33.33%) Ajax
4 2 (9.52%) ASP.NET
4 2 (9.52%) .NET
5 1 (4.76%) ASP.NET MVC
5 1 (4.76%) MonoRail
5 1 (4.76%) jQuery
5 1 (4.76%) Castle Windsor
5 1 (4.76%) ASP.NET Web Forms
5 1 (4.76%) NHibernate
5 1 (4.76%) Spring MVC
5 1 (4.76%) WCF
5 1 (4.76%) Silverlight
5 1 (4.76%) ActiveMQ
Miscellaneous
1 16 (76.19%) Open Source
2 1 (4.76%) Tandem
Operating Systems
1 17 (80.95%) Linux
2 1 (4.76%) UNIX
Processes & Methodologies
1 19 (90.48%) BDD
2 15 (71.43%) Unit Testing
3 13 (61.90%) Agile Software Development
4 11 (52.38%) Continuous Integration
5 3 (14.29%) MVC
6 1 (4.76%) ATDD
6 1 (4.76%) Web Application Development
6 1 (4.76%) User Stories
6 1 (4.76%) DevOps
6 1 (4.76%) Refactoring
6 1 (4.76%) Pair Programming
6 1 (4.76%) Software Engineering
6 1 (4.76%) Scrum
Programming Languages
1 19 (90.48%) C#
2 17 (80.95%) Java
3 16 (76.19%) JavaScript
4 15 (71.43%) Ruby
4 15 (71.43%) PHP
4 15 (71.43%) SQL
4 15 (71.43%) C++
4 15 (71.43%) Python
5 14 (66.67%) Scala
6 1 (4.76%) VB.NET
Qualifications
1 1 (4.76%) SC Cleared
1 1 (4.76%) Security Cleared
Systems Management
1 1 (4.76%) Puppet
1 1 (4.76%) Opscode Chef
Vendors
1 1 (4.76%) Microsoft
1 1 (4.76%) Mercator
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