The table below looks at the statistics for TDD skills in IT contracts advertised for the Bolton region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 12 February 2016 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
12 Feb 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 6 4 2
Rank change year-on-year
-2 -2
Contract jobs citing TDD 5 2 7
As % of all contract IT jobs located in Bolton 19.23% 14.29% 25.00%
As % of the Processes & Methodologies category 21.74% 20.00% 28.00%
Number of daily rates quoted 3 2 2
Average daily rate £325 £300 £388
Average daily rate % change year-on-year
+8.33% -22.58%
UK excluding London average daily rate £388 £375 £375
% change year-on-year
+3.33% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £40.00 £36.00 £36.50
% change year-on-year
+11.11% -1.36%
TDD
Manchester

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

Processes & Methodologies Category
Bolton
Contract IT job ads with a match in the
Processes & Methodologies category
23 10 25
As % of all contract IT jobs located in Bolton 88.46% 71.43% 89.29%
Number of daily rates quoted 16 5 5
Average daily rate £325 £300 £375
Average daily rate % change year-on-year
+8.33% -20.00%
90% offered a daily rate of more than £225 £175 £225
10% offered a daily rate of more than £449 £388 £400
UK excluding London average daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 2 2 1
Average hourly rate £40.00 £42.50 £18.32
Average hourly rate % change year-on-year
-5.88% +131.98%
UK excluding London average hourly rate £40.00 £27.50 £27.50
% change year-on-year
+45.45% -

TDD
Jobs Demand Trend in Bolton

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

TDD Jobs Demand Trend in Bolton

TDD
Daily Rate Trend in Bolton

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

TDD Daily Rate Trend in Bolton

TDD
Top 30 Related IT Skills in Bolton

For the 6 months to 12 February 2016, IT contractor jobs across the Bolton 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 5 (100.00%) C#
1 5 (100.00%) JavaScript
1 5 (100.00%) .NET
1 5 (100.00%) ASP.NET
1 5 (100.00%) CSS
1 5 (100.00%) MVC
1 5 (100.00%) jQuery
1 5 (100.00%) ASP.NET MVC
2 4 (80.00%) E-Commerce
2 4 (80.00%) T-SQL
2 4 (80.00%) HTML
3 3 (60.00%) SQL
3 3 (60.00%) VB.NET
3 3 (60.00%) N-Tier
3 3 (60.00%) XML
3 3 (60.00%) OO
3 3 (60.00%) Agile Software Development
4 2 (40.00%) XSLT
4 2 (40.00%) Intranet
4 2 (40.00%) SQL Server
4 2 (40.00%) Web Development
4 2 (40.00%) Don't repeat yourself (DRY)
4 2 (40.00%) Single Responsibility Principle
4 2 (40.00%) Translating Business Requirements
5 1 (20.00%) React
5 1 (20.00%) Refactoring
5 1 (20.00%) ERP
5 1 (20.00%) Windows
5 1 (20.00%) Migration
5 1 (20.00%) HTML5

TDD
Top Related IT Skills in Bolton by Category

For the 6 months to 12 February 2016, IT contractor jobs across the Bolton 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.

Communications & Networking
1 2 (40.00%) Intranet
Database & Business Intelligence
1 2 (40.00%) SQL Server
Development Applications
1 1 (20.00%) Team Foundation Server
Job Titles
1 4 (80.00%) Developer
2 3 (60.00%) Web Developer
3 2 (40.00%) C# Developer
4 1 (20.00%) .NET Developer
4 1 (20.00%) ASP.NET MVC Developer
4 1 (20.00%) C# .NET Developer
4 1 (20.00%) C# Web Developer
4 1 (20.00%) JavaScript Developer
4 1 (20.00%) Website Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) .NET
1 5 (100.00%) ASP.NET
1 5 (100.00%) ASP.NET MVC
1 5 (100.00%) CSS
1 5 (100.00%) jQuery
2 4 (80.00%) HTML
3 3 (60.00%) XML
4 2 (40.00%) XSLT
5 1 (20.00%) AngularJS
5 1 (20.00%) ASP.NET Web API
5 1 (20.00%) CSS3
5 1 (20.00%) HTML5
5 1 (20.00%) React
Miscellaneous
1 3 (60.00%) N-Tier
Operating Systems
1 1 (20.00%) Windows
Processes & Methodologies
1 5 (100.00%) MVC
2 4 (80.00%) E-Commerce
3 3 (60.00%) Agile Software Development
3 3 (60.00%) OO
4 2 (40.00%) Don't repeat yourself (DRY)
4 2 (40.00%) Single Responsibility Principle
4 2 (40.00%) Translating Business Requirements
4 2 (40.00%) Web Development
5 1 (20.00%) ERP
5 1 (20.00%) Migration
5 1 (20.00%) Refactoring
5 1 (20.00%) Time Management
5 1 (20.00%) Unit Testing
Programming Languages
1 5 (100.00%) C#
1 5 (100.00%) JavaScript
2 4 (80.00%) T-SQL
3 3 (60.00%) SQL
3 3 (60.00%) VB.NET