The table below looks at the statistics for TDD skills in IT contracts advertised for the Redhill region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 29 August 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
29 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 15 12 4
Rank change year-on-year
-3 -8
Contract jobs citing TDD 3 2 3
As % of all contract IT jobs located in Redhill 4.92% 4.44% 17.65%
As % of the Processes & Methodologies category 5.77% 5.13% 23.08%
Number of daily rates quoted 3 2 2
Median daily rate £300 £400 £325
Median daily rate % change year-on-year
-25.00% +23.07%
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £42.50 £71.00
% change year-on-year
-5.88% -40.14%
TDD
Surrey

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

Processes & Methodologies Category
Redhill
Contract IT job ads with a match in the
Processes & Methodologies category
52 39 13
As % of all contract IT jobs located in Redhill 85.25% 86.67% 76.47%
Number of daily rates quoted 35 14 3
Median daily rate £385 £350 £338
Median daily rate % change year-on-year
+10.00% +3.70%
90% offered a daily rate of more than £300 £313 £275
10% offered a daily rate of more than £475 £488 £375
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 3 3 0
Median hourly rate £46.00 £13.63 -
Median hourly rate % change year-on-year
+237.61% -
UK excluding London median hourly rate £29.53 £32.54 £25.75
% change year-on-year
-9.26% +26.36%

TDD
Jobs Demand Trend in Redhill

The demand trend of contract jobs across the Redhill region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Redhill

TDD
Daily Rate Trend in Redhill

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

TDD Daily Rate Trend in Redhill

TDD
Hourly Rate Trend in Redhill

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Redhill region.

TDD Hourly Rate Trend in Redhill

TDD
Top 30 Related IT Skills in Redhill

For the 6 months to 29 August 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 Redhill region with a requirement for TDD.

1 7 (100.00%) Agile Software Development
2 6 (85.71%) C++
2 6 (85.71%) Scrum
3 5 (71.43%) Linux
3 5 (71.43%) Software Engineering
4 4 (57.14%) Continuous Integration
4 4 (57.14%) Embedded C++
4 4 (57.14%) Windows
5 3 (42.86%) Shell Script
5 3 (42.86%) Configuration Management
5 3 (42.86%) Multithreading
5 3 (42.86%) Embedded Systems
5 3 (42.86%) Jenkins
5 3 (42.86%) Git (software)
5 3 (42.86%) Automated Testing
5 3 (42.86%) Exploratory Testing
6 1 (14.29%) Tandem
6 1 (14.29%) C#
6 1 (14.29%) MVC
6 1 (14.29%) OOP
6 1 (14.29%) E-Commerce
6 1 (14.29%) SOA
6 1 (14.29%) Oracle Database 10g
6 1 (14.29%) HTML
6 1 (14.29%) Java
6 1 (14.29%) JavaScript
6 1 (14.29%) SQL
6 1 (14.29%) T-SQL
6 1 (14.29%) .NET
6 1 (14.29%) Oracle

TDD
Top Related IT Skills in Redhill 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:

Database & Business Intelligence
1 1 (14.29%) Oracle Database
1 1 (14.29%) Oracle Database 10g
1 1 (14.29%) SQL Server
Development Applications
1 3 (42.86%) Git (software)
1 3 (42.86%) Jenkins
2 1 (14.29%) Moq
2 1 (14.29%) NUnit
2 1 (14.29%) SpecFlow
2 1 (14.29%) Team Foundation Server
2 1 (14.29%) TeamCity
Job Titles
1 3 (42.86%) Developer
2 2 (28.57%) Agile Developer
2 2 (28.57%) C++ Developer
2 2 (28.57%) Software Tester
2 2 (28.57%) Tester
3 1 (14.29%) Agile .NET Developer
3 1 (14.29%) Agile C# Developer
3 1 (14.29%) Angular Developer
3 1 (14.29%) C# .NET Developer
3 1 (14.29%) C# Developer
3 1 (14.29%) C++ Software Developer
3 1 (14.29%) C++ Software Engineer
3 1 (14.29%) Developer/Software Engineer
3 1 (14.29%) Linux Developer
3 1 (14.29%) Linux Engineer
3 1 (14.29%) Senior .NET Developer
3 1 (14.29%) Senior C# .NET Developer
3 1 (14.29%) Senior C# Developer
3 1 (14.29%) Software Test Engineer
3 1 (14.29%) Test Engineer
Libraries, Frameworks & Software Standards
1 1 (14.29%) .NET
1 1 (14.29%) .NET Framework
1 1 (14.29%) AngularJS
1 1 (14.29%) ASP.NET Web API
1 1 (14.29%) CSS
1 1 (14.29%) CSS3
1 1 (14.29%) Entity Framework
1 1 (14.29%) HTML
1 1 (14.29%) HTML5
1 1 (14.29%) jQuery
1 1 (14.29%) JSON
1 1 (14.29%) LINQ
1 1 (14.29%) NHibernate
1 1 (14.29%) REST
1 1 (14.29%) SOAP
1 1 (14.29%) Spring
1 1 (14.29%) Twitter Bootstrap
1 1 (14.29%) Web Services
1 1 (14.29%) XML
Miscellaneous
1 3 (42.86%) Embedded Systems
2 1 (14.29%) Computer Science
2 1 (14.29%) Tandem
Operating Systems
1 5 (71.43%) Linux
2 4 (57.14%) Windows
3 1 (14.29%) Embedded Linux
Processes & Methodologies
1 7 (100.00%) Agile Software Development
2 6 (85.71%) Scrum
3 5 (71.43%) Software Engineering
4 4 (57.14%) Continuous Integration
5 3 (42.86%) Automated Testing
5 3 (42.86%) Configuration Management
5 3 (42.86%) Exploratory Testing
5 3 (42.86%) Multithreading
6 1 (14.29%) BDD
6 1 (14.29%) Dependency Injection
6 1 (14.29%) Domain-Driven Design
6 1 (14.29%) E-Commerce
6 1 (14.29%) Front End Development
6 1 (14.29%) MVC
6 1 (14.29%) OOP
6 1 (14.29%) SOA
6 1 (14.29%) SOLID
6 1 (14.29%) Web Development
Programming Languages
1 6 (85.71%) C++
2 4 (57.14%) Embedded C++
3 3 (42.86%) Shell Script
4 1 (14.29%) C#
4 1 (14.29%) Java
4 1 (14.29%) JavaScript
4 1 (14.29%) SQL
4 1 (14.29%) T-SQL
Qualifications
1 1 (14.29%) Degree
Vendors
1 1 (14.29%) Oracle