The table below looks at the statistics for TDD skills in IT contracts advertised for the Middlesex region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 27 March 2015 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
27 Mar 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 20 24 25
Rank change year-on-year
+4 +1
Contract jobs citing TDD 3 3 1
As % of all contract IT jobs located in Middlesex 1.75% 1.32% 0.56%
As % of the Processes & Methodologies category 2.38% 1.73% 0.74%
Number of daily rates quoted 3 3 1
Average daily rate
Keep up to 90%
of your Daily Rate
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£275 £450 £423
Average daily rate % change year-on-year
-38.88% +6.38%
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £39.25 £40.00 £39.00
% change year-on-year
-1.87% +2.56%
TDD
South East

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

Processes & Methodologies Category
Middlesex
Contract IT job ads with a match in the
Processes & Methodologies category
126 173 136
As % of all contract IT jobs located in Middlesex 73.68% 75.88% 76.40%
Number of daily rates quoted 80 104 74
Average daily rate £400 £450 £425
Average daily rate % change year-on-year
-11.11% +5.88%
90% offered a daily rate of more than £264 £300 £300
10% offered a daily rate of more than £495 £550 £575
UK excluding London average daily rate £396 £375 £363
% change year-on-year
+5.60% +3.44%
Number of hourly rates quoted 2 17 6
Average hourly rate £32.50 £42.50 £37.50
Average hourly rate % change year-on-year
-23.52% +13.33%
UK excluding London average hourly rate £31.44 £27.50 £32.00
% change year-on-year
+14.32% -14.06%

TDD
Jobs Demand Trend in Middlesex

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

TDD Jobs Demand Trend in Middlesex

TDD
Daily Rate Trend in Middlesex

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

TDD Daily Rate Trend in Middlesex

TDD
Top 30 Related IT Skills in Middlesex

For the 6 months to 27 March 2015, IT contractor jobs across the Middlesex 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%) MVC
1 5 (100.00%) Agile Software Development
2 4 (80.00%) CSS
2 4 (80.00%) HTML
2 4 (80.00%) Java
2 4 (80.00%) JavaScript
2 4 (80.00%) JUnit
2 4 (80.00%) OO
2 4 (80.00%) HTML5
3 3 (60.00%) REST
3 3 (60.00%) AngularJS
4 2 (40.00%) Jenkins
4 2 (40.00%) RESTEasy
4 2 (40.00%) User Experience
4 2 (40.00%) Node.js
4 2 (40.00%) CSS3
4 2 (40.00%) Continuous Improvement
4 2 (40.00%) QUnit
4 2 (40.00%) Jasmine
4 2 (40.00%) JAX-RS
4 2 (40.00%) Mocha
4 2 (40.00%) WebSphere
4 2 (40.00%) JSON
4 2 (40.00%) Spring MVC
4 2 (40.00%) Wiki
4 2 (40.00%) Blog
4 2 (40.00%) Grails
4 2 (40.00%) jQuery
4 2 (40.00%) Unit Testing
4 2 (40.00%) Continuous Integration

TDD
Top Related IT Skills in Middlesex by Category

For the 6 months to 27 March 2015, IT contractor jobs across the Middlesex 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 2 (40.00%) Apache
1 2 (40.00%) Tomcat
1 2 (40.00%) WebSphere
1 2 (40.00%) Node.js
Communications & Networking
1 2 (40.00%) Internet
Database & Business Intelligence
1 1 (20.00%) SQL Server
Development Applications
1 4 (80.00%) JUnit
2 2 (40.00%) Eclipse
2 2 (40.00%) IntelliJ
2 2 (40.00%) Log4j
2 2 (40.00%) Maven
2 2 (40.00%) Git (software)
2 2 (40.00%) Mocha
2 2 (40.00%) QUnit
2 2 (40.00%) Jasmine
2 2 (40.00%) Jenkins
Job Titles
1 5 (100.00%) Developer
2 2 (40.00%) Java Developer
2 2 (40.00%) Java/J2EE Developer
2 2 (40.00%) J2EE Developer
3 1 (20.00%) ASP.NET Developer
3 1 (20.00%) C# ASP.NET Developer
3 1 (20.00%) Agile .NET Developer
3 1 (20.00%) Agile C# Developer
3 1 (20.00%) C# .NET Developer
3 1 (20.00%) .NET Developer
3 1 (20.00%) C# Developer
Libraries, Frameworks & Software Standards
1 4 (80.00%) CSS
1 4 (80.00%) HTML
1 4 (80.00%) HTML5
2 3 (60.00%) REST
2 3 (60.00%) AngularJS
3 2 (40.00%) RESTEasy
3 2 (40.00%) CSS3
3 2 (40.00%) JAX-RS
3 2 (40.00%) J2EE
3 2 (40.00%) JSP
3 2 (40.00%) Servlets
3 2 (40.00%) SOAP
3 2 (40.00%) Web Services
3 2 (40.00%) XML
3 2 (40.00%) Hibernate
3 2 (40.00%) Spring
3 2 (40.00%) JSON
3 2 (40.00%) Spring MVC
3 2 (40.00%) Grails
3 2 (40.00%) jQuery
Miscellaneous
1 2 (40.00%) Wiki
1 2 (40.00%) Blog
1 2 (40.00%) User Experience
Processes & Methodologies
1 5 (100.00%) MVC
1 5 (100.00%) Agile Software Development
2 4 (80.00%) OO
3 2 (40.00%) E-Commerce
3 2 (40.00%) Unit Testing
3 2 (40.00%) Continuous Integration
3 2 (40.00%) Continuous Improvement
3 2 (40.00%) OOA/OOD
4 1 (20.00%) Scrum
Programming Languages
1 4 (80.00%) Java
1 4 (80.00%) JavaScript
2 2 (40.00%) SQL
2 2 (40.00%) Groovy
3 1 (20.00%) C#
Vendors
1 2 (40.00%) Cisco
1 2 (40.00%) IBM
2 1 (20.00%) Microsoft