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 October 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 Oct 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 11 6 12
Rank change year-on-year
-5 +6
Contract jobs citing TDD 4 3 3
As % of all contract IT jobs located in Welwyn Garden City 6.67% 9.09% 5.88%
As % of the Processes & Methodologies category 10.00% 12.50% 7.50%
Number of daily rates quoted 2 3 2
Average daily rate
Keep up to 90%
of your Daily Rate
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£438 £625 £331
Average daily rate % change year-on-year
-30.00% +88.67%
90% offered a daily rate of more than £348 £597 £326
10% offered a daily rate of more than £528 £625 £336
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £37.50 £32.50 £33.00
% change year-on-year
+15.38% -1.51%
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 24 40
As % of all contract IT jobs located in Welwyn Garden City 66.67% 72.73% 78.43%
Number of daily rates quoted 21 15 19
Average daily rate £285 £450 £338
Average daily rate % change year-on-year
-36.66% +33.33%
90% offered a daily rate of more than £225 £240 £217
10% offered a daily rate of more than £435 £625 £550
UK excluding London average daily rate £378 £363 £368
% change year-on-year
+4.13% -1.36%
Number of hourly rates quoted 1 4 7
Average hourly rate £11.50 £15.50 £15.50
Average hourly rate % change year-on-year
-25.80% -
UK excluding London average hourly rate £25.00 £27.50 £27.50
% change year-on-year
-9.09% -

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
Daily Rate Histogram in Welwyn Garden City

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Welwyn Garden City region over the 3 months to 30 October 2014.

TDD Daily Rate Histogram in Welwyn Garden City

TDD
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 30 October 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 6 (100.00%) C#
1 6 (100.00%) .NET
1 6 (100.00%) Agile Software Development
2 4 (66.67%) ASP.NET
2 4 (66.67%) SQL
2 4 (66.67%) REST
3 3 (50.00%) SpecFlow
3 3 (50.00%) Couchbase
3 3 (50.00%) Jenkins
3 3 (50.00%) Team Foundation Server
3 3 (50.00%) WCF
3 3 (50.00%) Continuous Integration
3 3 (50.00%) Visual Studio
4 2 (33.33%) SOA
4 2 (33.33%) Automated Testing
4 2 (33.33%) Marketing
4 2 (33.33%) .NET Framework
4 2 (33.33%) SQL Server
4 2 (33.33%) HTML
4 2 (33.33%) MVC
4 2 (33.33%) Scrum
4 2 (33.33%) Git (software)
4 2 (33.33%) ASP.NET MVC
4 2 (33.33%) BDD
4 2 (33.33%) NoSQL
5 1 (16.67%) Azure SQL Database
5 1 (16.67%) ADO.NET Entity Framework
5 1 (16.67%) Node.js
5 1 (16.67%) Splunk
5 1 (16.67%) ASP.NET MVC 3

TDD
Top Related IT Skills in Welwyn Garden City by Category

For the 6 months to 30 October 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 (16.67%) Node.js
1 1 (16.67%) Confluence
Applications
1 1 (16.67%) MS Excel
Cloud Services
1 1 (16.67%) PaaS
1 1 (16.67%) Microsoft Azure
Communications & Networking
1 1 (16.67%) HTTP
Database & Business Intelligence
1 3 (50.00%) Couchbase
2 2 (33.33%) SQL Server
2 2 (33.33%) NoSQL
3 1 (16.67%) Azure SQL Database
3 1 (16.67%) SQL Server 2008
Development Applications
1 3 (50.00%) SpecFlow
1 3 (50.00%) Jenkins
1 3 (50.00%) Team Foundation Server
1 3 (50.00%) Visual Studio
2 2 (33.33%) Git (software)
3 1 (16.67%) StyleCop
3 1 (16.67%) Cucumber
3 1 (16.67%) Fiddler
3 1 (16.67%) Atlassian Bamboo
3 1 (16.67%) VSS/SourceSafe
3 1 (16.67%) JIRA
3 1 (16.67%) NUnit
3 1 (16.67%) CruiseControl
3 1 (16.67%) Subversion
General
1 2 (33.33%) Marketing
Job Titles
1 6 (100.00%) Developer
2 3 (50.00%) .NET Developer
2 3 (50.00%) C# Developer
3 2 (33.33%) ASP.NET Developer
3 2 (33.33%) Lead Developer
3 2 (33.33%) C# ASP.NET Developer
3 2 (33.33%) C# .NET Developer
4 1 (16.67%) Lead .NET Developer
4 1 (16.67%) Java Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) .NET
2 4 (66.67%) ASP.NET
2 4 (66.67%) REST
3 3 (50.00%) WCF
4 2 (33.33%) .NET Framework
4 2 (33.33%) HTML
4 2 (33.33%) ASP.NET MVC
5 1 (16.67%) ADO.NET Entity Framework
5 1 (16.67%) ASP.NET MVC 3
5 1 (16.67%) ASP.NET Web API
5 1 (16.67%) AngularJS
5 1 (16.67%) ASP.NET MVC 4
5 1 (16.67%) jQuery
5 1 (16.67%) CSS
5 1 (16.67%) SOAP
5 1 (16.67%) Web Services
5 1 (16.67%) NHibernate
Miscellaneous
1 1 (16.67%) Enterprise Software
1 1 (16.67%) PKI
Processes & Methodologies
1 6 (100.00%) Agile Software Development
2 3 (50.00%) Continuous Integration
3 2 (33.33%) SOA
3 2 (33.33%) Automated Testing
3 2 (33.33%) MVC
3 2 (33.33%) Scrum
3 2 (33.33%) BDD
4 1 (16.67%) Root Cause Analysis
4 1 (16.67%) DevOps
4 1 (16.67%) CQRS
4 1 (16.67%) MVVM
4 1 (16.67%) Unit Testing
4 1 (16.67%) Multithreading
4 1 (16.67%) OOP
4 1 (16.67%) E-Commerce
4 1 (16.67%) Software Engineering
4 1 (16.67%) Enterprise Architecture
4 1 (16.67%) Pair Programming
Programming Languages
1 6 (100.00%) C#
2 4 (66.67%) SQL
3 1 (16.67%) Java
3 1 (16.67%) JavaScript
Systems Management
1 1 (16.67%) SCOM
1 1 (16.67%) Business Desktop Deployment
Vendors
1 1 (16.67%) Splunk
1 1 (16.67%) Microsoft