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 27 February 2015 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
27 Feb 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 33 17 21
Rank change year-on-year
-16 +4
Contract jobs citing TDD 1 11 4
As % of all contract IT jobs located in Warrington 0.47% 7.33% 2.55%
As % of the Processes & Methodologies category 0.56% 9.65% 3.48%
Number of daily rates quoted 1 5 4
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£350 £325 £348
Average daily rate % change year-on-year
+7.69% -6.47%
UK excluding London average daily rate £375 £375 £353
% change year-on-year
- +6.38%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £34.50 £40.00 £40.00
% change year-on-year
-13.75% -
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
179 114 115
As % of all contract IT jobs located in Warrington 83.26% 76.00% 73.25%
Number of daily rates quoted 104 61 54
Average daily rate £400 £510 £370
Average daily rate % change year-on-year
-21.56% +37.83%
90% offered a daily rate of more than £260 £319 £224
10% offered a daily rate of more than £548 £650 £503
UK excluding London average daily rate £400 £375 £363
% change year-on-year
+6.66% +3.44%
Number of hourly rates quoted 4 1 4
Average hourly rate £15.00 £15.00 £20.00
Average hourly rate % change year-on-year
- -25.00%
UK excluding London average hourly rate £30.00 £27.50 £31.50
% change year-on-year
+9.09% -12.69%

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
Top 30 Related IT Skills in Warrington

For the 6 months to 27 February 2015, 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 8 (88.89%) JavaScript
2 7 (77.78%) C#
2 7 (77.78%) Continuous Integration
2 7 (77.78%) Git (software)
2 7 (77.78%) BDD
3 6 (66.67%) MVVM
4 5 (55.56%) REST
4 5 (55.56%) Linux
5 4 (44.44%) Agile Software Development
5 4 (44.44%) HTTP
5 4 (44.44%) Business Intelligence
6 3 (33.33%) Web Development
6 3 (33.33%) MVC
6 3 (33.33%) XHR
6 3 (33.33%) Ruby
6 3 (33.33%) Node.js
7 2 (22.22%) Vagrant
7 2 (22.22%) PowerShell
7 2 (22.22%) TeamCity
7 2 (22.22%) jQuery
7 2 (22.22%) MSTest
7 2 (22.22%) Reactive Extensions
7 2 (22.22%) Razor View Engine
7 2 (22.22%) KnockoutJS
7 2 (22.22%) Puppet
7 2 (22.22%) Jenkins
7 2 (22.22%) Docker
7 2 (22.22%) DevOps
7 2 (22.22%) NUnit
7 2 (22.22%) CSS

TDD
Top Related IT Skills in Warrington by Category

For the 6 months to 27 February 2015, 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 3 (33.33%) Node.js
2 2 (22.22%) IIS
Cloud Services
1 1 (11.11%) SaaS
Communications & Networking
1 4 (44.44%) HTTP
2 1 (11.11%) iBeacon
Database & Business Intelligence
1 1 (11.11%) SQL Server
1 1 (11.11%) Big Data
Development Applications
1 7 (77.78%) Git (software)
2 2 (22.22%) Ant
2 2 (22.22%) NUnit
2 2 (22.22%) MSTest
2 2 (22.22%) TeamCity
2 2 (22.22%) Jenkins
3 1 (11.11%) Cucumber
3 1 (11.11%) SpecFlow
3 1 (11.11%) Selenium
3 1 (11.11%) Mercurial
3 1 (11.11%) WebDriver
General
1 1 (11.11%) Telecoms
1 1 (11.11%) Manufacturing
Job Titles
1 8 (88.89%) Developer
2 5 (55.56%) JavaScript Developer
3 3 (33.33%) Web Developer
3 3 (33.33%) C# Developer
4 1 (11.11%) QA Engineer
4 1 (11.11%) QA Test Analyst
4 1 (11.11%) QA Analyst
4 1 (11.11%) .NET Developer
4 1 (11.11%) Analyst
4 1 (11.11%) Test Analyst
4 1 (11.11%) Agile Test Analyst
Libraries, Frameworks & Software Standards
1 5 (55.56%) REST
2 3 (33.33%) XHR
3 2 (22.22%) jQuery
3 2 (22.22%) Reactive Extensions
3 2 (22.22%) Razor View Engine
3 2 (22.22%) KnockoutJS
3 2 (22.22%) HTML
3 2 (22.22%) CSS
4 1 (11.11%) SOAP
4 1 (11.11%) WPF
4 1 (11.11%) .NET
4 1 (11.11%) ASP.NET
4 1 (11.11%) Gherkin
4 1 (11.11%) AngularJS
4 1 (11.11%) ASP.NET Web API
4 1 (11.11%) ASP.NET MVC
Miscellaneous
1 1 (11.11%) Inversion of Control
Operating Systems
1 5 (55.56%) Linux
2 1 (11.11%) UNIX
Processes & Methodologies
1 7 (77.78%) Continuous Integration
1 7 (77.78%) BDD
2 6 (66.67%) MVVM
3 4 (44.44%) Business Intelligence
3 4 (44.44%) Agile Software Development
4 3 (33.33%) MVC
4 3 (33.33%) Web Development
5 2 (22.22%) DevOps
6 1 (11.11%) Mentoring
6 1 (11.11%) Don't repeat yourself (DRY)
6 1 (11.11%) Automation Testing
6 1 (11.11%) Waterfall
6 1 (11.11%) Kanban
6 1 (11.11%) Domain-Driven Design
6 1 (11.11%) AOP
6 1 (11.11%) OO
6 1 (11.11%) E-Commerce
6 1 (11.11%) ERP
6 1 (11.11%) OOD
Programming Languages
1 8 (88.89%) JavaScript
2 7 (77.78%) C#
3 3 (33.33%) Ruby
4 2 (22.22%) PowerShell
4 2 (22.22%) Java
5 1 (11.11%) C
5 1 (11.11%) C++
5 1 (11.11%) Python
Quality Assurance & Compliance
1 1 (11.11%) QA
System Software
1 2 (22.22%) Docker
Systems Management
1 2 (22.22%) Puppet
1 2 (22.22%) Vagrant
Vendors
1 1 (11.11%) Microsoft
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