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 21 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
21 Oct 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 31 22 30
Rank change year-on-year
-9 +8
Contract jobs citing TDD 13 20 21
As % of all contract IT jobs located in Cambridge 3.44% 5.93% 4.96%
As % of the Processes & Methodologies category 5.00% 8.00% 7.34%
Number of daily rates quoted 7 1 18
Average daily rate
Keep up to 90%
of your Daily Rate
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£370 £450 £400
Average daily rate % change year-on-year
-17.77% +12.50%
90% offered a daily rate of more than £328 £450 £300
10% offered a daily rate of more than £485 £450 £429
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 0 0 1
Average hourly rate - - £47.50
UK excluding London average hourly rate £35.00 £33.00 £30.00
% change year-on-year
+6.06% +10.00%
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
260 250 286
As % of all contract IT jobs located in Cambridge 68.78% 74.18% 67.61%
Number of daily rates quoted 162 113 136
Average daily rate £375 £350 £400
Average daily rate % change year-on-year
+7.14% -12.50%
90% offered a daily rate of more than £270 £250 £290
10% offered a daily rate of more than £550 £469 £463
UK excluding London average daily rate £375 £363 £370
% change year-on-year
+3.44% -2.02%
Number of hourly rates quoted 22 28 53
Average hourly rate £37.50 £41.00 £37.50
Average hourly rate % change year-on-year
-8.53% +9.33%
90% offered a hourly rate of more than £10.50 £15.50 £20.00
10% offered a hourly rate of more than £60.00 £60.00 £47.50
UK excluding London average hourly rate £25.00 £29.00 £27.50
% change year-on-year
-13.79% +5.45%

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 21 October 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 21 October 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 37 (88.10%) Agile Software Development
2 25 (59.52%) Scrum
3 19 (45.24%) OO
4 14 (33.33%) C#
4 14 (33.33%) .NET
5 13 (30.95%) Java
6 12 (28.57%) Linux
7 11 (26.19%) Selenium
8 10 (23.81%) Unit Testing
8 10 (23.81%) Jenkins
9 9 (21.43%) BDD
9 9 (21.43%) jQuery
9 9 (21.43%) Kanban
9 9 (21.43%) Degree
9 9 (21.43%) SQL
9 9 (21.43%) Oracle
10 8 (19.05%) WebLogic
10 8 (19.05%) JavaScript
10 8 (19.05%) CSS
10 8 (19.05%) MVC
10 8 (19.05%) Git (software)
11 7 (16.67%) RESTful
11 7 (16.67%) Big Data
11 7 (16.67%) Data Structures
11 7 (16.67%) Web Services
11 7 (16.67%) UNIX
11 7 (16.67%) C++
11 7 (16.67%) Continuous Integration
12 6 (14.29%) Software Engineering
12 6 (14.29%) Multithreading

TDD
Top Related IT Skills in Cambridge by Category

For the 6 months to 21 October 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 8 (19.05%) WebLogic
2 4 (9.52%) JBoss
2 4 (9.52%) Apache
2 4 (9.52%) Tomcat
3 3 (7.14%) Node.js
4 1 (2.38%) WebSphere Application Server
4 1 (2.38%) WebSphere
Communications & Networking
1 6 (14.29%) Internet
2 3 (7.14%) ZigBee
3 2 (4.76%) HTTP
3 2 (4.76%) 802.15
Database & Business Intelligence
1 7 (16.67%) Big Data
2 6 (14.29%) SQL Server
3 5 (11.90%) Relational Database
3 5 (11.90%) MySQL
4 3 (7.14%) RDBMS
5 1 (2.38%) PostgreSQL
5 1 (2.38%) RavenDB
Development Applications
1 11 (26.19%) Selenium
2 10 (23.81%) Jenkins
3 8 (19.05%) Git (software)
4 5 (11.90%) NUnit
5 4 (9.52%) Maven
5 4 (9.52%) JUnit
5 4 (9.52%) Team Foundation Server
6 3 (7.14%) MSTest
6 3 (7.14%) Mocha
6 3 (7.14%) Cucumber
6 3 (7.14%) FitNesse
6 3 (7.14%) Grunt
6 3 (7.14%) Bower
6 3 (7.14%) Jasmine
7 2 (4.76%) Visual Studio
7 2 (4.76%) WiX
7 2 (4.76%) MSBuild
7 2 (4.76%) Moq
8 1 (2.38%) WebDriver
8 1 (2.38%) SpecFlow
General
1 4 (9.52%) Finance
Job Titles
1 23 (54.76%) Developer
2 7 (16.67%) .NET Developer
3 6 (14.29%) C# Developer
3 6 (14.29%) Senior Developer
4 5 (11.90%) DBA
4 5 (11.90%) Software Engineer
4 5 (11.90%) C# .NET Developer
5 4 (9.52%) Automation Tester
5 4 (9.52%) Principal Engineer
5 4 (9.52%) Tester
5 4 (9.52%) Design Engineer
5 4 (9.52%) C++ Developer
6 3 (7.14%) Java Developer
6 3 (7.14%) MySQL DBA
6 3 (7.14%) MySQL Developer
7 2 (4.76%) Agile .NET Developer
7 2 (4.76%) Firmware Engineer
7 2 (4.76%) Technical Leader
7 2 (4.76%) Technical Tester
7 2 (4.76%) Senior MySQL DBA
Libraries, Frameworks & Software Standards
1 14 (33.33%) .NET
2 9 (21.43%) jQuery
3 8 (19.05%) CSS
4 7 (16.67%) Web Services
4 7 (16.67%) RESTful
5 6 (14.29%) HTML
6 5 (11.90%) LESS
6 5 (11.90%) AngularJS
6 5 (11.90%) ASP.NET MVC
6 5 (11.90%) CSS3
6 5 (11.90%) J2EE
6 5 (11.90%) ASP.NET
7 4 (9.52%) Dojo
7 4 (9.52%) J2SE
8 3 (7.14%) XML
8 3 (7.14%) WCF
8 3 (7.14%) Google Maps API
8 3 (7.14%) ASP.NET MVC 4
8 3 (7.14%) Sass
9 2 (4.76%) ASP.NET Web Forms
Miscellaneous
1 7 (16.67%) Data Structures
2 5 (11.90%) GIS
2 5 (11.90%) Mathematics
3 4 (9.52%) Clustering
3 4 (9.52%) Open Source
4 3 (7.14%) Computer Science
4 3 (7.14%) User Experience
5 2 (4.76%) Mobile App
5 2 (4.76%) Algorithms
Operating Systems
1 12 (28.57%) Linux
2 7 (16.67%) UNIX
3 4 (9.52%) Solaris
3 4 (9.52%) Oracle Linux
4 1 (2.38%) Windows
4 1 (2.38%) Embedded Linux
Processes & Methodologies
1 37 (88.10%) Agile Software Development
2 25 (59.52%) Scrum
3 19 (45.24%) OO
4 10 (23.81%) Unit Testing
5 9 (21.43%) Kanban
5 9 (21.43%) BDD
6 8 (19.05%) MVC
7 7 (16.67%) Continuous Integration
8 6 (14.29%) Multithreading
8 6 (14.29%) Software Engineering
9 5 (11.90%) UML
9 5 (11.90%) OOA/OOD
9 5 (11.90%) Automated Testing
9 5 (11.90%) Performance Tuning
10 4 (9.52%) Enterprise Architecture
10 4 (9.52%) Load Balancing
10 4 (9.52%) Performance Testing
10 4 (9.52%) Capacity Planning
10 4 (9.52%) Feature Driven Development
10 4 (9.52%) Test Strategy
Programming Languages
1 14 (33.33%) C#
2 13 (30.95%) Java
3 9 (21.43%) SQL
4 8 (19.05%) JavaScript
5 7 (16.67%) C++
6 5 (11.90%) Perl
7 4 (9.52%) Python
8 3 (7.14%) Embedded C
8 3 (7.14%) Ruby
8 3 (7.14%) C
8 3 (7.14%) VB.NET
9 2 (4.76%) PowerShell
9 2 (4.76%) XAML
10 1 (2.38%) PHP
Qualifications
1 9 (21.43%) Degree
2 2 (4.76%) ISEB
3 1 (2.38%) ISTQB
Quality Assurance & Compliance
1 3 (7.14%) QA
System Software
1 3 (7.14%) Firmware
Systems Management
1 1 (2.38%) Puppet
Vendors
1 9 (21.43%) Oracle
2 4 (9.52%) Sun
2 4 (9.52%) Atlassian
3 3 (7.14%) Google
4 2 (4.76%) Microsoft
5 1 (2.38%) HP