The table below looks at the statistics for TDD skills in IT contracts advertised for the Cambridge region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 19 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
19 Sep 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 25 19 27
Rank change year-on-year
-6 +8
Contract jobs citing TDD 23 24 22
As % of all contract IT jobs located in Cambridge 5.11% 6.45% 5.34%
As % of the Processes & Methodologies category 7.74% 8.48% 7.72%
Number of daily rates quoted 18 2 19
Average daily rate
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of your Daily Rate
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£413 £500 £400
Average daily rate % change year-on-year
-17.50% +25.00%
90% offered a daily rate of more than £329 £460 £300
10% offered a daily rate of more than £500 £540 £428
UK excluding London average daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 0 0 1
Average hourly rate - - £47.50
UK excluding London average hourly rate £35.00 £32.50 £36.00
% change year-on-year
+7.69% -9.72%
TDD
Cambridgeshire

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

Processes & Methodologies Category
Cambridge
Contract IT job ads with a match in the
Processes & Methodologies category
297 283 285
As % of all contract IT jobs located in Cambridge 66.00% 76.08% 69.17%
Number of daily rates quoted 181 123 129
Average daily rate £375 £375 £400
Average daily rate % change year-on-year
- -6.25%
90% offered a daily rate of more than £273 £260 £287
10% offered a daily rate of more than £500 £525 £450
UK excluding London average daily rate £375 £370 £363
% change year-on-year
+1.35% +2.06%
Number of hourly rates quoted 29 22 68
Average hourly rate £30.00 £38.50 £37.50
Average hourly rate % change year-on-year
-22.07% +2.66%
90% offered a hourly rate of more than £20.21 £32.35 £20.00
10% offered a hourly rate of more than £60.00 £60.00 £45.00
UK excluding London average hourly rate £26.25 £30.00 £30.00
% change year-on-year
-12.50% -

TDD
Jobs Demand Trend in Cambridge

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

TDD Jobs Demand Trend in Cambridge

TDD
Daily Rate Trend in Cambridge

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

TDD Daily Rate Trend in Cambridge

TDD
Daily Rate Histogram in Cambridge

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Cambridge region over the 3 months to 19 September 2014.

TDD Daily Rate Histogram in Cambridge

TDD
Hourly Rate Trend in Cambridge

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

TDD Hourly Rate Trend in Cambridge

TDD
Top 30 Related IT Skills in Cambridge

For the 6 months to 19 September 2014, IT contractor jobs across the Cambridge 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 39 (84.78%) Agile Software Development
2 25 (54.35%) Scrum
3 19 (41.30%) OO
4 16 (34.78%) Java
5 15 (32.61%) C#
5 15 (32.61%) .NET
6 13 (28.26%) Linux
6 13 (28.26%) jQuery
7 12 (26.09%) MVC
8 11 (23.91%) CSS
8 11 (23.91%) SQL
8 11 (23.91%) HTML
8 11 (23.91%) Selenium
8 11 (23.91%) BDD
9 10 (21.74%) Unit Testing
9 10 (21.74%) Jenkins
9 10 (21.74%) Oracle
10 9 (19.57%) JavaScript
10 9 (19.57%) WebLogic
10 9 (19.57%) Web Services
10 9 (19.57%) Degree
10 9 (19.57%) Kanban
10 9 (19.57%) Git (software)
11 8 (17.39%) Multithreading
11 8 (17.39%) RESTful
11 8 (17.39%) UNIX
11 8 (17.39%) ASP.NET
11 8 (17.39%) SQL Server
12 7 (15.22%) C++
12 7 (15.22%) Internet

TDD
Top Related IT Skills in Cambridge by Category

For the 6 months to 19 September 2014, IT contractor jobs across the Cambridge 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 9 (19.57%) WebLogic
2 5 (10.87%) Tomcat
3 4 (8.70%) Node.js
3 4 (8.70%) Apache
4 1 (2.17%) WebSphere Application Server
4 1 (2.17%) WebSphere
Communications & Networking
1 7 (15.22%) Internet
2 2 (4.35%) ZigBee
2 2 (4.35%) HTTP
3 1 (2.17%) 802.15
Database & Business Intelligence
1 8 (17.39%) SQL Server
2 7 (15.22%) Big Data
3 5 (10.87%) MySQL
3 5 (10.87%) Relational Database
4 3 (6.52%) RDBMS
5 2 (4.35%) InterSystems Cache
6 1 (2.17%) PostgreSQL
6 1 (2.17%) RavenDB
Development Applications
1 11 (23.91%) Selenium
2 10 (21.74%) Jenkins
3 9 (19.57%) Git (software)
4 5 (10.87%) NUnit
5 4 (8.70%) Maven
5 4 (8.70%) JUnit
6 3 (6.52%) Visual Studio
6 3 (6.52%) FitNesse
6 3 (6.52%) Grunt
6 3 (6.52%) Jasmine
6 3 (6.52%) MSBuild
6 3 (6.52%) Mocha
6 3 (6.52%) Cucumber
6 3 (6.52%) WiX
6 3 (6.52%) MSTest
6 3 (6.52%) Team Foundation Server
6 3 (6.52%) Bower
7 2 (4.35%) Moq
8 1 (2.17%) JMeter
8 1 (2.17%) QuickTest Pro
General
1 5 (10.87%) Finance
Job Titles
1 27 (58.70%) Developer
2 7 (15.22%) Senior Developer
2 7 (15.22%) .NET Developer
3 6 (13.04%) C# Developer
4 5 (10.87%) Software Engineer
4 5 (10.87%) DBA
5 4 (8.70%) Principal Engineer
5 4 (8.70%) Automation Tester
5 4 (8.70%) C# .NET Developer
5 4 (8.70%) Design Engineer
5 4 (8.70%) C++ Developer
5 4 (8.70%) Tester
6 3 (6.52%) MySQL Developer
6 3 (6.52%) Java Developer
6 3 (6.52%) Senior C# Developer
6 3 (6.52%) Senior .NET Developer
6 3 (6.52%) MySQL DBA
7 2 (4.35%) Selenium Tester
7 2 (4.35%) Hybris Developer
7 2 (4.35%) Agile .NET Developer
Libraries, Frameworks & Software Standards
1 15 (32.61%) .NET
2 13 (28.26%) jQuery
3 11 (23.91%) CSS
3 11 (23.91%) HTML
4 9 (19.57%) Web Services
5 8 (17.39%) RESTful
5 8 (17.39%) ASP.NET
6 7 (15.22%) ASP.NET MVC
6 7 (15.22%) CSS3
7 6 (13.04%) AngularJS
7 6 (13.04%) J2EE
8 5 (10.87%) J2SE
8 5 (10.87%) LESS
9 4 (8.70%) HTML5
9 4 (8.70%) ASP.NET MVC 4
9 4 (8.70%) WCF
9 4 (8.70%) WPF
9 4 (8.70%) Dojo
9 4 (8.70%) XML
10 3 (6.52%) LINQ
Miscellaneous
1 5 (10.87%) Mathematics
1 5 (10.87%) Clustering
1 5 (10.87%) GIS
1 5 (10.87%) Open Source
2 3 (6.52%) Computer Science
2 3 (6.52%) User Experience
3 2 (4.35%) Mobile App
3 2 (4.35%) Firmware
Operating Systems
1 13 (28.26%) Linux
2 8 (17.39%) UNIX
3 5 (10.87%) Solaris
3 5 (10.87%) Oracle Linux
4 1 (2.17%) Windows
4 1 (2.17%) Embedded Linux
Processes & Methodologies
1 39 (84.78%) Agile Software Development
2 25 (54.35%) Scrum
3 19 (41.30%) OO
4 12 (26.09%) MVC
5 11 (23.91%) BDD
6 10 (21.74%) Unit Testing
7 9 (19.57%) Kanban
8 8 (17.39%) Multithreading
9 7 (15.22%) Continuous Integration
10 6 (13.04%) Software Engineering
10 6 (13.04%) OOA/OOD
10 6 (13.04%) UML
11 5 (10.87%) Load Balancing
11 5 (10.87%) Automated Testing
11 5 (10.87%) User Stories
11 5 (10.87%) Test Strategy
11 5 (10.87%) Performance Testing
11 5 (10.87%) Performance Tuning
12 4 (8.70%) Capacity Planning
12 4 (8.70%) Feature Driven Development
Programming Languages
1 16 (34.78%) Java
2 15 (32.61%) C#
3 11 (23.91%) SQL
4 9 (19.57%) JavaScript
5 7 (15.22%) C++
6 6 (13.04%) Perl
7 3 (6.52%) VB.NET
7 3 (6.52%) XAML
7 3 (6.52%) Python
7 3 (6.52%) Ruby
7 3 (6.52%) PowerShell
8 2 (4.35%) Embedded C
8 2 (4.35%) C
9 1 (2.17%) PHP
Qualifications
1 9 (19.57%) Degree
2 2 (4.35%) ISEB
3 1 (2.17%) ISTQB
Quality Assurance & Compliance
1 3 (6.52%) QA
Systems Management
1 1 (2.17%) Puppet
Vendors
1 10 (21.74%) Oracle
2 5 (10.87%) Sun
2 5 (10.87%) Atlassian
3 4 (8.70%) JBoss
4 3 (6.52%) Microsoft
4 3 (6.52%) Google
5 2 (4.35%) hybris
6 1 (2.17%) Sybase
6 1 (2.17%) HP