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 July 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 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 13 36 17
Rank change year-on-year
+23 -19
Contract jobs citing TDD 24 3 18
As % of all contract IT jobs located in Warrington 9.80% 1.04% 9.00%
As % of the Processes & Methodologies category 11.32% 1.22% 11.32%
Number of daily rates quoted 22 1 13
Median daily rate £458 £360 £510
Median daily rate % change year-on-year
+27.08% -29.41%
90% offered a daily rate of more than £250 £360 £392
10% offered a daily rate of more than £650 £360 £536
UK excluding London median daily rate £425 £375 £375
% change year-on-year
+13.33% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £59.50
% change year-on-year
- -32.77%
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
212 245 159
As % of all contract IT jobs located in Warrington 86.53% 85.07% 79.50%
Number of daily rates quoted 147 195 78
Median daily rate £450 £463 £490
Median daily rate % change year-on-year
-2.70% -5.61%
90% offered a daily rate of more than £305 £320 £200
10% offered a daily rate of more than £650 £650 £540
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 4 6 10
Median hourly rate £62.50 £16.25 £15.00
Median hourly rate % change year-on-year
+284.61% +8.33%
UK excluding London median hourly rate £30.00 £30.50 £26.50
% change year-on-year
-1.63% +15.09%

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 July 2016.

TDD Daily Rate Histogram in Warrington

TDD
Top 30 Related IT Skills in Warrington

For the 6 months to 30 July 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 27 (71.05%) Agile Software Development
2 16 (42.11%) SQL
2 16 (42.11%) Web Services
3 13 (34.21%) BDD
4 12 (31.58%) Software Engineering
4 12 (31.58%) Unit Testing
4 12 (31.58%) .NET
4 12 (31.58%) SQL Server
4 12 (31.58%) C#
5 11 (28.95%) T-SQL
5 11 (28.95%) Data Management
6 10 (26.32%) JavaScript
7 9 (23.68%) Analytical Skills
8 8 (21.05%) Finance
8 8 (21.05%) Continuous Integration
9 7 (18.42%) Team Foundation Server
9 7 (18.42%) RESTful
9 7 (18.42%) JSON
9 7 (18.42%) XML
9 7 (18.42%) Python
10 6 (15.79%) ASP.NET
10 6 (15.79%) C++
10 6 (15.79%) MVC
10 6 (15.79%) SQL Server Reporting Services
10 6 (15.79%) SQL Server Integration Services
10 6 (15.79%) SQL Server Analysis Services
10 6 (15.79%) ASP.NET MVC
10 6 (15.79%) SQL Server 2012
10 6 (15.79%) Mobile App
11 5 (13.16%) Performance Tuning

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 1 (2.63%) SharePoint
Cloud Services
1 2 (5.26%) Google Play
Communications & Networking
1 2 (5.26%) Network Security
Database & Business Intelligence
1 12 (31.58%) SQL Server
2 6 (15.79%) SQL Server 2012
2 6 (15.79%) SQL Server Analysis Services
2 6 (15.79%) SQL Server Integration Services
2 6 (15.79%) SQL Server Reporting Services
3 5 (13.16%) Oracle Database
3 5 (13.16%) Oracle Database 10g
3 5 (13.16%) Oracle Database 11g
3 5 (13.16%) Oracle Database 12c
3 5 (13.16%) SQL Server 2014
4 1 (2.63%) Microsoft Analysis Services
Development Applications
1 7 (18.42%) Team Foundation Server
2 2 (5.26%) JUnit
2 2 (5.26%) Xcode
3 1 (2.63%) Cucumber
3 1 (2.63%) Moq
General
1 8 (21.05%) Finance
2 5 (13.16%) Banking
3 3 (7.89%) Law
4 1 (2.63%) Retail
Job Titles
1 26 (68.42%) Developer
2 11 (28.95%) SQL Developer
3 7 (18.42%) Software Engineer
4 6 (15.79%) Principal Engineer
4 6 (15.79%) Principal Software Engineer
4 6 (15.79%) Senior Developer
5 5 (13.16%) C# Developer
5 5 (13.16%) Oracle Developer
5 5 (13.16%) PL/SQL Developer
5 5 (13.16%) Senior Oracle Developer
5 5 (13.16%) Senior PL/SQL Developer
5 5 (13.16%) Senior SQL Developer
5 5 (13.16%) SSIS Developer
5 5 (13.16%) T-SQL Developer
6 4 (10.53%) .NET Developer
6 4 (10.53%) Agile Developer
6 4 (10.53%) ETL Developer
7 3 (7.89%) Analyst
7 3 (7.89%) Business Analyst
7 3 (7.89%) Java Developer
Libraries, Frameworks & Software Standards
1 16 (42.11%) Web Services
2 12 (31.58%) .NET
3 7 (18.42%) JSON
3 7 (18.42%) RESTful
3 7 (18.42%) XML
4 6 (15.79%) ASP.NET
4 6 (15.79%) ASP.NET MVC
5 5 (13.16%) SOAP
6 4 (10.53%) AngularJS
6 4 (10.53%) ASP.NET MVC 4
7 2 (5.26%) .NET Framework
7 2 (5.26%) Android SDK
7 2 (5.26%) ASP.NET Web API
7 2 (5.26%) Entity Framework
7 2 (5.26%) iOS SDK
7 2 (5.26%) jQuery
7 2 (5.26%) Laravel
8 1 (2.63%) HTML
8 1 (2.63%) HTML5
8 1 (2.63%) WCF
Miscellaneous
1 9 (23.68%) Analytical Skills
2 6 (15.79%) Mobile App
3 5 (13.16%) Replication
4 4 (10.53%) Enterprise Software
4 4 (10.53%) iPad
5 2 (5.26%) Digital Media
Operating Systems
1 3 (7.89%) Apple iOS
2 2 (5.26%) Android
Processes & Methodologies
1 27 (71.05%) Agile Software Development
2 13 (34.21%) BDD
3 12 (31.58%) Software Engineering
3 12 (31.58%) Unit Testing
4 11 (28.95%) Data Management
5 8 (21.05%) Continuous Integration
6 6 (15.79%) MVC
7 5 (13.16%) Database Tuning
7 5 (13.16%) Disaster Recovery
7 5 (13.16%) High Availability
7 5 (13.16%) Infrastructure Management
7 5 (13.16%) Mobile Development
7 5 (13.16%) Performance Tuning
7 5 (13.16%) SFIA
8 4 (10.53%) ETL
8 4 (10.53%) Regression Testing
8 4 (10.53%) Stakeholder and Relationship Management
8 4 (10.53%) Stakeholder Management
9 3 (7.89%) CRM
9 3 (7.89%) Project Management
Programming Languages
1 16 (42.11%) SQL
2 12 (31.58%) C#
3 11 (28.95%) T-SQL
4 10 (26.32%) JavaScript
5 7 (18.42%) Python
6 6 (15.79%) C++
7 5 (13.16%) Java
7 5 (13.16%) PL/SQL
8 4 (10.53%) PHP
9 2 (5.26%) Objective-C
10 1 (2.63%) Ruby
Qualifications
1 2 (5.26%) BPSS Clearance
1 2 (5.26%) Security Cleared
Quality Assurance & Compliance
1 2 (5.26%) Disclosure Scotland
Vendors
1 5 (13.16%) Oracle
2 2 (5.26%) Google