The first table below looks at the demand for TDD skills in IT contracts advertised for the Essex region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 20 May 2013 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Processes & Methodologies category for the Essex region.

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
20 May 2013
Same period 2012 Same period 2011
Test-Driven Development (TDD)
Rank 44 47 41
Rank change year-on-year
+3 -6
Contract jobs citing TDD 4 3 8
As % of all contract IT jobs located in Essex 0.971% 0.733% 2.046%
As % of the Processes & Methodologies category 1.389% 1.224% 3.361%
Number of daily rates quoted 4 3 7
Average daily rate £325 £393 £363
Average daily rate % change year-on-year
-17.19% +8.27%
90% offered a daily rate of more than £250 £393 £348
10% offered a daily rate of more than £435 £419 £540
UK excluding London average daily rate £350 £325 £355
% change year-on-year
+7.69% -8.45%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £39.00 £40.00 £42.50
% change year-on-year
-2.50% -5.88%
All Processes & Methodologies
Essex
Contract IT job ads with a match in the
Processes & Methodologies category
288 245 238
As % of all contract IT jobs located in Essex 69.90% 59.90% 60.87%
Number of daily rates quoted 137 119 108
Average daily rate £325 £350 £363
Average daily rate % change year-on-year
-7.14% -3.44%
90% offered a daily rate of more than £213 £125 £205
10% offered a daily rate of more than £500 £500 £460
UK excluding London average daily rate £363 £363 £375
% change year-on-year
- -3.33%
Number of hourly rates quoted 63 35 44
Average hourly rate £33.00 £27.50 £30.00
Average hourly rate % change year-on-year
+20.00% -8.33%
90% offered a hourly rate of more than £24.21 £17.00 £23.00
10% offered a hourly rate of more than £46.00 £39.69 £39.30
UK excluding London average hourly rate £32.00 £25.00 £30.00
% change year-on-year
+28.00% -16.66%
TDD
East of England

TDD
Jobs Demand Trend

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

Essex TDD Jobs Demand Trend

TDD
Daily Rate Trend

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

Essex TDD Daily Rate Trend

TDD
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Essex region over the 3 months to 20 May 2013.

Essex TDD Daily Rate Histogram

TDD
Hourly Rate Trend

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

Essex TDD Hourly Rate Trend

TDD
Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the Essex region over the 3 months to 20 May 2013. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click each for more statistics)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Harlow +2 2 £250 -36.30%
Chelmsford - 1 £400 -
TDD
East of England

TDD
Top 30 Related IT Skills

For the 6 months to 20 May 2013, IT contractor jobs across the Essex 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 (83.33%) C#
2 4 (66.67%) .NET
2 4 (66.67%) SQL Server
3 3 (50.00%) SQL
3 3 (50.00%) T-SQL
3 3 (50.00%) Windows
3 3 (50.00%) Continuous Integration
4 2 (33.33%) QA
4 2 (33.33%) Selenium
4 2 (33.33%) WCF
4 2 (33.33%) Agile Software Development
4 2 (33.33%) SQL Server 2005
4 2 (33.33%) .NET Framework
4 2 (33.33%) JavaScript
4 2 (33.33%) Oracle
4 2 (33.33%) ASP.NET
4 2 (33.33%) Web Services
5 1 (16.67%) XML
5 1 (16.67%) XSL
5 1 (16.67%) CSS
5 1 (16.67%) SOAP
5 1 (16.67%) JUnit
5 1 (16.67%) GIS
5 1 (16.67%) MVC
5 1 (16.67%) XAML
5 1 (16.67%) Hibernate
5 1 (16.67%) IVR
5 1 (16.67%) J2EE
5 1 (16.67%) HTML
5 1 (16.67%) Java

TDD
Top Related IT Skills by Category

For the 6 months to 20 May 2013, IT contractor jobs across the Essex 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.

Application Development
1 4 (66.67%) .NET
2 2 (33.33%) ASP.NET
2 2 (33.33%) Web Services
2 2 (33.33%) .NET Framework
2 2 (33.33%) WCF
3 1 (16.67%) WPF
3 1 (16.67%) Silverlight
3 1 (16.67%) GWT
3 1 (16.67%) ASP.NET MVC
3 1 (16.67%) ADO.NET Entity Framework
3 1 (16.67%) REST
3 1 (16.67%) Unity DI Container
3 1 (16.67%) XML
3 1 (16.67%) XSL
3 1 (16.67%) Swing
3 1 (16.67%) Hibernate
3 1 (16.67%) Spring
3 1 (16.67%) CSS
3 1 (16.67%) SOAP
3 1 (16.67%) J2EE
Application Platforms
1 1 (16.67%) SharePoint
1 1 (16.67%) ESB
Communications & Networking
1 1 (16.67%) CTI
1 1 (16.67%) Intranet
1 1 (16.67%) Internet
Database & Business Intelligence
1 4 (66.67%) SQL Server
2 2 (33.33%) SQL Server 2005
3 1 (16.67%) GIS
Development Applications
1 2 (33.33%) Selenium
2 1 (16.67%) Team Foundation Server
2 1 (16.67%) MSTest
2 1 (16.67%) Rhino Mocks
2 1 (16.67%) PhoneGap
2 1 (16.67%) JUnit
2 1 (16.67%) ClearCase
2 1 (16.67%) Maven
Job Titles
1 4 (66.67%) Developer
2 2 (33.33%) C# Developer
2 2 (33.33%) C# .NET Developer
2 2 (33.33%) Tester
3 1 (16.67%) WPF Developer
3 1 (16.67%) QA Tester
3 1 (16.67%) C# ASP.NET Developer
3 1 (16.67%) Web Developer
3 1 (16.67%) Java Developer
3 1 (16.67%) .NET Developer
Miscellaneous
1 1 (16.67%) IVR
1 1 (16.67%) SaaS
1 1 (16.67%) Enterprise Software
Operating Systems
1 3 (50.00%) Windows
Processes & Methodologies
1 3 (50.00%) Continuous Integration
2 2 (33.33%) Agile Software Development
3 1 (16.67%) Web Development
3 1 (16.67%) Unit Testing
3 1 (16.67%) Web Testing
3 1 (16.67%) UML
3 1 (16.67%) OOP
3 1 (16.67%) OO
3 1 (16.67%) CRM
3 1 (16.67%) SOA
3 1 (16.67%) Business Intelligence
3 1 (16.67%) MVC
3 1 (16.67%) Dependency Injection
3 1 (16.67%) Software Architecture
Programming Languages
1 5 (83.33%) C#
2 3 (50.00%) SQL
2 3 (50.00%) T-SQL
3 2 (33.33%) JavaScript
4 1 (16.67%) XAML
4 1 (16.67%) Java
Qualifications
1 1 (16.67%) Degree
1 1 (16.67%) SC Cleared
1 1 (16.67%) Security Cleared
Quality Assurance & Compliance
1 2 (33.33%) QA
Vendors
1 2 (33.33%) Oracle
2 1 (16.67%) JBoss
2 1 (16.67%) Microsoft