The table below looks at the statistics for TDD skills in IT contracts advertised for the Hounslow 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 9 4 3
Rank change year-on-year
-5 -1
Contract jobs citing TDD 1 4 21
As % of all contract IT jobs located in Hounslow 2.70% 14.29% 29.58%
As % of the Processes & Methodologies category 4.35% 17.39% 33.33%
Number of daily rates quoted 1 4 20
Average daily rate
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of your Daily Rate
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£500 £510 £448
Average daily rate % change year-on-year
-1.96% +13.96%
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
London

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

Processes & Methodologies Category
Hounslow
Contract IT job ads with a match in the
Processes & Methodologies category
23 23 63
As % of all contract IT jobs located in Hounslow 62.16% 82.14% 88.73%
Number of daily rates quoted 22 21 55
Average daily rate £340 £405 £400
Average daily rate % change year-on-year
-16.04% +1.25%
90% offered a daily rate of more than £275 £250 £235
10% offered a daily rate of more than £500 £530 £450
UK excluding London average daily rate £396 £375 £363
% change year-on-year
+5.60% +3.44%
Number of hourly rates quoted 0 2 0
Average hourly rate - £25.69 -
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 Hounslow

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

TDD Jobs Demand Trend in Hounslow

TDD
Daily Rate Trend in Hounslow

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

TDD Daily Rate Trend in Hounslow

TDD
Top 30 Related IT Skills in Hounslow

For the 6 months to 27 March 2015, IT contractor jobs across the Hounslow 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%) Java
2 3 (60.00%) Stakeholder Management
2 3 (60.00%) OO
2 3 (60.00%) SOA
2 3 (60.00%) BDD
2 3 (60.00%) REST
3 2 (40.00%) Grails
3 2 (40.00%) Groovy
3 2 (40.00%) JavaScript
4 1 (20.00%) SQL
4 1 (20.00%) MySQL
4 1 (20.00%) Oracle
4 1 (20.00%) JUnit
4 1 (20.00%) CSS
4 1 (20.00%) XML
4 1 (20.00%) PostgreSQL
4 1 (20.00%) Scrum
4 1 (20.00%) Agile Software Development
4 1 (20.00%) Spring
4 1 (20.00%) JSON
4 1 (20.00%) HTML5
4 1 (20.00%) Mocha
4 1 (20.00%) Scala
4 1 (20.00%) JBoss
4 1 (20.00%) Tomcat
4 1 (20.00%) Jetty
4 1 (20.00%) Cucumber
4 1 (20.00%) MongoDB
4 1 (20.00%) CSS3
4 1 (20.00%) QUnit

TDD
Top Related IT Skills in Hounslow by Category

For the 6 months to 27 March 2015, IT contractor jobs across the Hounslow 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%) JBoss
1 1 (20.00%) Tomcat
1 1 (20.00%) Jetty
Database & Business Intelligence
1 1 (20.00%) MySQL
1 1 (20.00%) PostgreSQL
1 1 (20.00%) MongoDB
Development Applications
1 1 (20.00%) JUnit
1 1 (20.00%) Mocha
1 1 (20.00%) Cucumber
1 1 (20.00%) QUnit
1 1 (20.00%) Jasmine
Job Titles
1 3 (60.00%) Developer
2 2 (40.00%) SOA Architect
2 2 (40.00%) Designer
2 2 (40.00%) SOA Designer
2 2 (40.00%) Architect
3 1 (20.00%) Scala Developer
3 1 (20.00%) SOA Developer
3 1 (20.00%) Front-End Developer
3 1 (20.00%) Senior Front-End Developer
3 1 (20.00%) Senior Developer
3 1 (20.00%) Java Developer
3 1 (20.00%) Java Architect
Libraries, Frameworks & Software Standards
1 3 (60.00%) REST
2 2 (40.00%) Grails
3 1 (20.00%) HTML5
3 1 (20.00%) CSS3
3 1 (20.00%) AngularJS
3 1 (20.00%) Akka
3 1 (20.00%) HTML
3 1 (20.00%) CSS
3 1 (20.00%) XML
3 1 (20.00%) Spring
3 1 (20.00%) JSON
Processes & Methodologies
1 3 (60.00%) OO
1 3 (60.00%) SOA
1 3 (60.00%) Stakeholder Management
1 3 (60.00%) BDD
2 1 (20.00%) Scrum
2 1 (20.00%) Agile Software Development
Programming Languages
1 5 (100.00%) Java
2 2 (40.00%) JavaScript
2 2 (40.00%) Groovy
3 1 (20.00%) Scala
3 1 (20.00%) SQL
Vendors
1 1 (20.00%) Oracle