The table below looks at the statistics for TDD skills in IT contracts advertised for the Welwyn Garden City region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 September 2014 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
30 Sep 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 10 6 8
Rank change year-on-year
-4 +2
Contract jobs citing TDD 5 1 5
As % of all contract IT jobs located in Welwyn Garden City 8.93% 5.26% 13.89%
As % of the Processes & Methodologies category 12.50% 7.14% 14.71%
Number of daily rates quoted 1 1 2
Average daily rate
Keep up to 90%
of your Daily Rate
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£550 £625 £331
Average daily rate % change year-on-year
-12.00% +88.67%
UK excluding London average daily rate £375 £350 £340
% change year-on-year
+7.14% +2.94%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £35.00 £32.50 £31.00
% change year-on-year
+7.69% +4.83%
TDD
Hertfordshire

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

Processes & Methodologies Category
Welwyn Garden City
Contract IT job ads with a match in the
Processes & Methodologies category
40 14 34
As % of all contract IT jobs located in Welwyn Garden City 71.43% 73.68% 94.44%
Number of daily rates quoted 21 10 16
Average daily rate £325 £350 £338
Average daily rate % change year-on-year
-7.14% +3.70%
90% offered a daily rate of more than £150 £265 £226
10% offered a daily rate of more than £450 £625 £379
UK excluding London average daily rate £375 £367 £365
% change year-on-year
+2.18% +0.53%
Number of hourly rates quoted 0 2 2
Average hourly rate - £15.50 £30.53
Average hourly rate % change year-on-year
- -49.22%
UK excluding London average hourly rate £26.50 £30.00 £29.00
% change year-on-year
-11.66% +3.44%

TDD
Jobs Demand Trend in Welwyn Garden City

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

TDD Jobs Demand Trend in Welwyn Garden City

TDD
Daily Rate Trend in Welwyn Garden City

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

TDD Daily Rate Trend in Welwyn Garden City

TDD
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 30 September 2014, IT contractor jobs across the Welwyn Garden City 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%) .NET
1 5 (100.00%) Agile Software Development
2 4 (80.00%) REST
3 3 (60.00%) WCF
3 3 (60.00%) Team Foundation Server
3 3 (60.00%) SpecFlow
3 3 (60.00%) Couchbase
3 3 (60.00%) Jenkins
3 3 (60.00%) Continuous Integration
3 3 (60.00%) SQL
3 3 (60.00%) ASP.NET
3 3 (60.00%) Visual Studio
4 2 (40.00%) SQL Server
4 2 (40.00%) HTML
4 2 (40.00%) SOA
4 2 (40.00%) Scrum
4 2 (40.00%) Automated Testing
4 2 (40.00%) Marketing
4 2 (40.00%) .NET Framework
4 2 (40.00%) Git (software)
4 2 (40.00%) BDD
4 2 (40.00%) NoSQL
5 1 (20.00%) ADO.NET Entity Framework
5 1 (20.00%) Node.js
5 1 (20.00%) Splunk
5 1 (20.00%) ASP.NET MVC 3
5 1 (20.00%) Root Cause Analysis
5 1 (20.00%) jQuery
5 1 (20.00%) Fiddler

TDD
Top Related IT Skills in Welwyn Garden City by Category

For the 6 months to 30 September 2014, IT contractor jobs across the Welwyn Garden City 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 Platforms
1 1 (20.00%) Confluence
1 1 (20.00%) Node.js
Database & Business Intelligence
1 3 (60.00%) Couchbase
2 2 (40.00%) NoSQL
2 2 (40.00%) SQL Server
3 1 (20.00%) SQL Server 2008
Development Applications
1 3 (60.00%) Visual Studio
1 3 (60.00%) Team Foundation Server
1 3 (60.00%) SpecFlow
1 3 (60.00%) Jenkins
2 2 (40.00%) Git (software)
3 1 (20.00%) StyleCop
3 1 (20.00%) Cucumber
3 1 (20.00%) VSS/SourceSafe
3 1 (20.00%) NUnit
3 1 (20.00%) CruiseControl
3 1 (20.00%) Subversion
3 1 (20.00%) JIRA
3 1 (20.00%) Fiddler
3 1 (20.00%) Atlassian Bamboo
General
1 2 (40.00%) Marketing
Job Titles
1 5 (100.00%) Developer
2 3 (60.00%) .NET Developer
3 2 (40.00%) C# Developer
3 2 (40.00%) ASP.NET Developer
3 2 (40.00%) C# ASP.NET Developer
3 2 (40.00%) Lead Developer
3 2 (40.00%) C# .NET Developer
4 1 (20.00%) Java Developer
4 1 (20.00%) Lead .NET Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) .NET
2 4 (80.00%) REST
3 3 (60.00%) ASP.NET
3 3 (60.00%) WCF
4 2 (40.00%) HTML
4 2 (40.00%) .NET Framework
5 1 (20.00%) ASP.NET MVC 3
5 1 (20.00%) AngularJS
5 1 (20.00%) ASP.NET MVC 4
5 1 (20.00%) ASP.NET Web API
5 1 (20.00%) jQuery
5 1 (20.00%) ASP.NET MVC
5 1 (20.00%) ADO.NET Entity Framework
5 1 (20.00%) CSS
5 1 (20.00%) SOAP
5 1 (20.00%) Web Services
5 1 (20.00%) NHibernate
Miscellaneous
1 1 (20.00%) PKI
1 1 (20.00%) Enterprise Software
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 3 (60.00%) Continuous Integration
3 2 (40.00%) BDD
3 2 (40.00%) Scrum
3 2 (40.00%) Automated Testing
3 2 (40.00%) SOA
4 1 (20.00%) MVC
4 1 (20.00%) OOP
4 1 (20.00%) E-Commerce
4 1 (20.00%) Software Engineering
4 1 (20.00%) Unit Testing
4 1 (20.00%) Pair Programming
4 1 (20.00%) Root Cause Analysis
4 1 (20.00%) DevOps
4 1 (20.00%) MVVM
Programming Languages
1 5 (100.00%) C#
2 3 (60.00%) SQL
3 1 (20.00%) Java
3 1 (20.00%) JavaScript
Systems Management
1 1 (20.00%) Business Desktop Deployment
1 1 (20.00%) SCOM
Vendors
1 1 (20.00%) Splunk