The table below looks at the statistics for TDD skills in IT contracts advertised for the Warrington region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 May 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
30 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 38 34 33
Rank change year-on-year
-4 -1
Contract jobs citing TDD 16 5 2
As % of all contract IT jobs located in Warrington 4.16% 2.67% 1.04%
As % of the Processes & Methodologies category 4.58% 3.05% 1.20%
Number of daily rates quoted 13 2 2
Median daily rate £480 £425 £345
Median daily rate % change year-on-year
+12.94% +23.18%
90% offered a daily rate of more than £355 £425 £269
10% offered a daily rate of more than £650 £425 £421
UK excluding London median daily rate £413 £380 £375
% change year-on-year
+8.55% +1.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.40 £42.50 £59.50
% change year-on-year
-0.24% -28.57%
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
349 164 166
As % of all contract IT jobs located in Warrington 90.65% 87.70% 86.46%
Number of daily rates quoted 250 118 81
Median daily rate £500 £475 £495
Median daily rate % change year-on-year
+5.26% -4.04%
90% offered a daily rate of more than £360 £313 £283
10% offered a daily rate of more than £640 £700 £610
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 4 8 5
Median hourly rate £62.50 £35.00 £12.50
Median hourly rate % change year-on-year
+78.57% +180.00%
UK excluding London median hourly rate £32.50 £30.00 £30.00
% change year-on-year
+8.33% -

TDD
Jobs Demand Trend in Warrington

The demand trend of contract jobs across the Warrington region citing TDD as a proportion of all IT contracts with a match in 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 30 May 2016.

TDD Daily Rate Histogram in Warrington

TDD
Top 30 Related IT Skills in Warrington

For the 6 months to 30 May 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 Warrington region with a requirement for TDD.

1 21 (70.00%) Agile Software Development
2 18 (60.00%) Web Services
3 13 (43.33%) SQL
3 13 (43.33%) T-SQL
3 13 (43.33%) SQL Server
4 12 (40.00%) JavaScript
4 12 (40.00%) Team Foundation Server
4 12 (40.00%) SQL Server 2012
5 11 (36.67%) Unit Testing
5 11 (36.67%) Software Engineering
6 9 (30.00%) MVC
6 9 (30.00%) Finance
6 9 (30.00%) C#
6 9 (30.00%) .NET
6 9 (30.00%) ASP.NET
6 9 (30.00%) ASP.NET MVC
7 8 (26.67%) BDD
7 8 (26.67%) Entity Framework
7 8 (26.67%) jQuery
7 8 (26.67%) ASP.NET Web API
7 8 (26.67%) Data Management
7 8 (26.67%) .NET Framework
8 7 (23.33%) SQL Server Integration Services
8 7 (23.33%) Web Development
8 7 (23.33%) SQL Server Reporting Services
8 7 (23.33%) SQL Server Analysis Services
9 6 (20.00%) RESTful
9 6 (20.00%) ASP.NET MVC 5
9 6 (20.00%) Analytical Skills
9 6 (20.00%) Mobile App

TDD
Top Related IT Skills in Warrington 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 5 (16.67%) SharePoint
Cloud Services
1 2 (6.67%) Google Play
Communications & Networking
1 2 (6.67%) Network Security
Database & Business Intelligence
1 13 (43.33%) SQL Server
2 12 (40.00%) SQL Server 2012
3 7 (23.33%) SQL Server Analysis Services
3 7 (23.33%) SQL Server Integration Services
3 7 (23.33%) SQL Server Reporting Services
4 4 (13.33%) SQL Server 2014
Development Applications
1 12 (40.00%) Team Foundation Server
2 3 (10.00%) Moq
3 2 (6.67%) JUnit
3 2 (6.67%) Xcode
General
1 9 (30.00%) Finance
2 4 (13.33%) Banking
3 2 (6.67%) Law
3 2 (6.67%) Retail
Job Titles
1 21 (70.00%) Developer
2 8 (26.67%) .NET Developer
2 8 (26.67%) C# Developer
3 7 (23.33%) C# .NET Developer
3 7 (23.33%) SQL Developer
4 6 (20.00%) ASP.NET MVC Developer
5 4 (13.33%) Agile Developer
5 4 (13.33%) ETL Developer
5 4 (13.33%) Software Engineer
5 4 (13.33%) SSIS Developer
6 3 (10.00%) Analyst
6 3 (10.00%) ASP.NET Developer
6 3 (10.00%) Business Analyst
6 3 (10.00%) C# ASP.NET Developer
6 3 (10.00%) Java Developer
6 3 (10.00%) Principal Engineer
6 3 (10.00%) Principal Software Engineer
6 3 (10.00%) T-SQL Developer
7 2 (6.67%) Digital Delivery Manager
7 2 (6.67%) Java Android Developer
Libraries, Frameworks & Software Standards
1 18 (60.00%) Web Services
2 9 (30.00%) .NET
2 9 (30.00%) ASP.NET
2 9 (30.00%) ASP.NET MVC
3 8 (26.67%) .NET Framework
3 8 (26.67%) ASP.NET Web API
3 8 (26.67%) Entity Framework
3 8 (26.67%) jQuery
4 6 (20.00%) ASP.NET MVC 5
4 6 (20.00%) JSON
4 6 (20.00%) RESTful
4 6 (20.00%) XML
5 3 (10.00%) WCF
6 2 (6.67%) Android SDK
6 2 (6.67%) iOS SDK
6 2 (6.67%) Laravel
7 1 (3.33%) AngularJS
7 1 (3.33%) ASP.NET MVC 4
7 1 (3.33%) HTML5
7 1 (3.33%) SOAP
Miscellaneous
1 6 (20.00%) Analytical Skills
1 6 (20.00%) Mobile App
2 4 (13.33%) Replication
3 2 (6.67%) Digital Media
4 1 (3.33%) Enterprise Software
4 1 (3.33%) iPad
Operating Systems
1 3 (10.00%) Apple iOS
2 2 (6.67%) Android
Processes & Methodologies
1 21 (70.00%) Agile Software Development
2 11 (36.67%) Software Engineering
2 11 (36.67%) Unit Testing
3 9 (30.00%) MVC
4 8 (26.67%) BDD
4 8 (26.67%) Data Management
5 7 (23.33%) Web Development
6 5 (16.67%) Continuous Integration
6 5 (16.67%) Mobile Development
6 5 (16.67%) Translating Business Requirements
7 4 (13.33%) Database Tuning
7 4 (13.33%) Disaster Recovery
7 4 (13.33%) ETL
7 4 (13.33%) High Availability
7 4 (13.33%) Infrastructure Management
7 4 (13.33%) Performance Tuning
7 4 (13.33%) SFIA
8 3 (10.00%) CRM
8 3 (10.00%) ITIL
8 3 (10.00%) Project Management
Programming Languages
1 13 (43.33%) SQL
1 13 (43.33%) T-SQL
2 12 (40.00%) JavaScript
3 9 (30.00%) C#
4 6 (20.00%) C++
4 6 (20.00%) Python
5 4 (13.33%) Java
5 4 (13.33%) PHP
6 2 (6.67%) Objective-C
Qualifications
1 1 (3.33%) BPSS Clearance
1 1 (3.33%) Security Cleared
Quality Assurance & Compliance
1 1 (3.33%) Disclosure Scotland
Vendors
1 2 (6.67%) Google