The table below looks at the statistics for TDD skills in IT contracts advertised for the Lancashire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 29 June 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 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank - 42 24
Contract jobs citing TDD 0 7 33
As % of all contract IT jobs located in Lancashire - 1.76% 6.68%
As % of the Processes & Methodologies category - 2.17% 8.23%
Number of daily rates quoted 0 4 18
Median daily rate - £425 £413
Median daily rate % change year-on-year
- +3.03%
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £43.75 £59.50
% change year-on-year
-8.57% -26.47%
TDD
North West

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

Processes & Methodologies Category
Lancashire
Contract IT job ads with a match in the
Processes & Methodologies category
330 323 401
As % of all contract IT jobs located in Lancashire 73.50% 81.36% 81.17%
Number of daily rates quoted 205 215 239
Median daily rate £418 £375 £400
Median daily rate % change year-on-year
+11.33% -6.25%
90% offered a daily rate of more than £298 £260 £282
10% offered a daily rate of more than £640 £550 £575
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 28 31 26
Median hourly rate £37.50 £31.40 £25.00
Median hourly rate % change year-on-year
+19.42% +25.60%
90% offered a hourly rate of more than £20.50 £15.40 £18.00
10% offered a hourly rate of more than £53.00 £59.50 £52.50
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

TDD
Jobs Demand Trend in Lancashire

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

TDD Jobs Demand Trend in Lancashire

TDD
Daily Rate Trend in Lancashire

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

TDD Daily Rate Trend in Lancashire

TDD
Hourly Rate Trend in Lancashire

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

TDD Hourly Rate Trend in Lancashire

TDD
Top 30 Related IT Skills in Lancashire

For the 6 months to 29 June 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 Lancashire region with a requirement for TDD.

1 7 (87.50%) Agile Software Development
2 4 (50.00%) Java
2 4 (50.00%) C#
2 4 (50.00%) .NET
3 3 (37.50%) JavaScript
3 3 (37.50%) SQL
3 3 (37.50%) Oracle
3 3 (37.50%) JUnit
3 3 (37.50%) XML
3 3 (37.50%) XSD
3 3 (37.50%) XSLT
3 3 (37.50%) ClearCase
3 3 (37.50%) Software Engineering
3 3 (37.50%) Project Planning
3 3 (37.50%) .NET Framework
3 3 (37.50%) WinForms
3 3 (37.50%) WPF
3 3 (37.50%) Team Foundation Server
3 3 (37.50%) Entity Framework
3 3 (37.50%) SOLID
4 2 (25.00%) MongoDB
4 2 (25.00%) Travis CI
4 2 (25.00%) REST
4 2 (25.00%) Jenkins
4 2 (25.00%) Git (software)
4 2 (25.00%) Web Services
4 2 (25.00%) NUnit
4 2 (25.00%) Subversion
4 2 (25.00%) Automated Testing
4 2 (25.00%) Unix

TDD
Top Related IT Skills in Lancashire 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 (12.50%) Apache
1 1 (12.50%) IIS
1 1 (12.50%) SharePoint
1 1 (12.50%) SharePoint 2010
Communications & Networking
1 1 (12.50%) HTTP
1 1 (12.50%) Internet
1 1 (12.50%) SMTP
Database & Business Intelligence
1 2 (25.00%) MongoDB
2 1 (12.50%) MySQL
2 1 (12.50%) NoSQL
2 1 (12.50%) Oracle Database
2 1 (12.50%) PostgreSQL
2 1 (12.50%) SQL Server
2 1 (12.50%) SQL Server 2008
2 1 (12.50%) SQLite
Development Applications
1 3 (37.50%) ClearCase
1 3 (37.50%) JUnit
1 3 (37.50%) Team Foundation Server
2 2 (25.00%) Git (software)
2 2 (25.00%) Jenkins
2 2 (25.00%) NUnit
2 2 (25.00%) Rational Robot
2 2 (25.00%) Subversion
2 2 (25.00%) Travis CI
2 2 (25.00%) Visual Studio
3 1 (12.50%) Eclipse
3 1 (12.50%) PHPUnit
General
1 1 (12.50%) Avionics
1 1 (12.50%) Finance
1 1 (12.50%) Manufacturing
1 1 (12.50%) Military
Job Titles
1 7 (87.50%) Developer
2 4 (50.00%) Java Developer
3 3 (37.50%) Software Developer
4 2 (25.00%) C# Developer
4 2 (25.00%) C# Software Developer
4 2 (25.00%) JavaScript Developer
5 1 (12.50%) C# WPF Developer
5 1 (12.50%) ClearCase Developer
5 1 (12.50%) Digital Developer
5 1 (12.50%) HTML CSS Developer
5 1 (12.50%) HTML Developer
5 1 (12.50%) Scrum Master
5 1 (12.50%) Senior C# Developer
5 1 (12.50%) Senior C# Software Developer
5 1 (12.50%) Senior Oracle Developer
5 1 (12.50%) Senior Software Developer
5 1 (12.50%) Senior WinForms Developer
5 1 (12.50%) Senior WPF Developer
5 1 (12.50%) WinForms Developer
5 1 (12.50%) WPF Developer
Libraries, Frameworks & Software Standards
1 4 (50.00%) .NET
2 3 (37.50%) .NET Framework
2 3 (37.50%) Entity Framework
2 3 (37.50%) WinForms
2 3 (37.50%) WPF
2 3 (37.50%) XML
2 3 (37.50%) XSD
2 3 (37.50%) XSLT
3 2 (25.00%) CSS
3 2 (25.00%) HTML
3 2 (25.00%) REST
3 2 (25.00%) Web Services
4 1 (12.50%) HTML5
4 1 (12.50%) jQuery
4 1 (12.50%) JSON
4 1 (12.50%) SOAP
Miscellaneous
1 1 (12.50%) Analytical Skills
1 1 (12.50%) Computer Science
1 1 (12.50%) iPad
Operating Systems
1 2 (25.00%) Linux
1 2 (25.00%) Unix
1 2 (25.00%) Windows
2 1 (12.50%) Mac OS
2 1 (12.50%) Mac OS X
2 1 (12.50%) Windows Server
Processes & Methodologies
1 7 (87.50%) Agile Software Development
2 3 (37.50%) Project Planning
2 3 (37.50%) Software Engineering
2 3 (37.50%) SOLID
3 2 (25.00%) Automated Testing
4 1 (12.50%) BDD
4 1 (12.50%) Continuous Integration
4 1 (12.50%) Data Management
4 1 (12.50%) Extreme Programming
4 1 (12.50%) ITIL
4 1 (12.50%) Kanban
4 1 (12.50%) Pair Programming
4 1 (12.50%) Product Management
4 1 (12.50%) Programme Management
4 1 (12.50%) Project Management
4 1 (12.50%) Responsive Web Design
4 1 (12.50%) Scrum
4 1 (12.50%) Web Design
4 1 (12.50%) Web Development
Programming Languages
1 4 (50.00%) C#
1 4 (50.00%) Java
2 3 (37.50%) JavaScript
2 3 (37.50%) SQL
3 1 (12.50%) PowerShell
3 1 (12.50%) VB
3 1 (12.50%) VB6
Qualifications
1 1 (12.50%) Degree
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
System Software
1 1 (12.50%) Active Directory
1 1 (12.50%) BitLocker
Vendors
1 3 (37.50%) Oracle