The table below looks at the statistics for TDD skills in IT contracts advertised for the Buckinghamshire 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 55 42 51
Rank change year-on-year
-13 +9
Contract jobs citing TDD 31 41 17
As % of all contract IT jobs located in Buckinghamshire 2.58% 3.76% 2.04%
As % of the Processes & Methodologies category 3.34% 5.01% 2.76%
Number of daily rates quoted 22 32 15
Average daily rate
Keep up to 90%
of your Daily Rate
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£415 £400 £250
Average daily rate % change year-on-year
+3.75% +60.00%
90% offered a daily rate of more than £288 £325 £175
10% offered a daily rate of more than £500 £498 £385
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 Buckinghamshire region.

Processes & Methodologies Category
Buckinghamshire
Contract IT job ads with a match in the
Processes & Methodologies category
928 818 616
As % of all contract IT jobs located in Buckinghamshire 77.33% 75.11% 73.86%
Number of daily rates quoted 455 468 325
Average daily rate £365 £375 £338
Average daily rate % change year-on-year
-2.66% +11.11%
90% offered a daily rate of more than £275 £250 £200
10% offered a daily rate of more than £500 £475 £500
UK excluding London average daily rate £396 £375 £363
% change year-on-year
+5.60% +3.44%
Number of hourly rates quoted 21 18 36
Average hourly rate £27.50 £15.97 £19.39
Average hourly rate % change year-on-year
+72.19% -17.63%
90% offered a hourly rate of more than £12.40 £12.65 £12.00
10% offered a hourly rate of more than £40.00 £22.00 £35.00
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 Buckinghamshire

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

TDD Jobs Demand Trend in Buckinghamshire

TDD
Daily Rate Trend in Buckinghamshire

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

TDD Daily Rate Trend in Buckinghamshire

TDD
Daily Rate Histogram in Buckinghamshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Buckinghamshire region over the 3 months to 27 March 2015.

TDD Daily Rate Histogram in Buckinghamshire

TDD
Hourly Rate Trend in Buckinghamshire

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

TDD Hourly Rate Trend in Buckinghamshire

TDD
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the Buckinghamshire region over the 3 months to 27 March 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Milton Keynes -8 24 £415 +3.75% 8
Aylesbury -1 1 £288 -12.87%
High Wycombe - 1 £450 - 1
Gerrards Cross - - - -
Newport Pagnell - - - -
TDD
South East

TDD
Top 30 Related IT Skills in Buckinghamshire

For the 6 months to 27 March 2015, IT contractor jobs across the Buckinghamshire 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 52 (75.36%) C#
2 49 (71.01%) .NET
3 47 (68.12%) Agile Software Development
4 34 (49.28%) WCF
5 31 (44.93%) Scrum
6 29 (42.03%) MVC
6 29 (42.03%) OO
7 27 (39.13%) SQL Server
8 23 (33.33%) JavaScript
8 23 (33.33%) jQuery
9 20 (28.99%) Visual Studio
9 20 (28.99%) BDD
10 19 (27.54%) .NET Framework
11 18 (26.09%) ASP.NET
12 16 (23.19%) SQL
13 15 (21.74%) Java
13 15 (21.74%) CSS
13 15 (21.74%) Automated Testing
13 15 (21.74%) Finance
13 15 (21.74%) NUnit
14 14 (20.29%) SOA
15 13 (18.84%) OOD
15 13 (18.84%) WPF
15 13 (18.84%) ADO.NET Entity Framework
15 13 (18.84%) AngularJS
15 13 (18.84%) Team Foundation Server
16 12 (17.39%) Kentico
16 12 (17.39%) HTML
16 12 (17.39%) T-SQL
17 11 (15.94%) Web Services

TDD
Top Related IT Skills in Buckinghamshire by Category

For the 6 months to 27 March 2015, IT contractor jobs across the Buckinghamshire 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 12 (17.39%) Kentico
2 11 (15.94%) CMS
3 10 (14.49%) SharePoint
4 4 (5.80%) WebLogic
4 4 (5.80%) Confluence
5 3 (4.35%) Node.js
6 1 (1.45%) WebSphere
6 1 (1.45%) Umbraco
Applications
1 1 (1.45%) Photoshop
1 1 (1.45%) Adobe Illustrator
Business Applications
1 1 (1.45%) Oracle Applications
1 1 (1.45%) SAP Oil and Gas
Communications & Networking
1 4 (5.80%) Internet
1 4 (5.80%) AMQP
Database & Business Intelligence
1 27 (39.13%) SQL Server
2 7 (10.14%) UniData
2 7 (10.14%) SQL Server 2008
2 7 (10.14%) Oracle Database
3 4 (5.80%) Hadoop
3 4 (5.80%) MongoDB
3 4 (5.80%) NoSQL
3 4 (5.80%) Big Data
3 4 (5.80%) SQL Server 2012
4 1 (1.45%) SQL Server 2005
4 1 (1.45%) SQLite
Development Applications
1 20 (28.99%) Visual Studio
2 15 (21.74%) NUnit
3 13 (18.84%) Team Foundation Server
4 9 (13.04%) JIRA
5 7 (10.14%) MSTest
5 7 (10.14%) Subversion
6 6 (8.70%) Selenium
6 6 (8.70%) WebDriver
7 5 (7.25%) Mocha
7 5 (7.25%) QuickTest Pro
7 5 (7.25%) Ant
8 4 (5.80%) JUnit
8 4 (5.80%) Eclipse
8 4 (5.80%) Cucumber
8 4 (5.80%) Mercurial
8 4 (5.80%) PhantomJS
8 4 (5.80%) QUnit
8 4 (5.80%) Gradle
9 3 (4.35%) TeamCity
10 2 (2.90%) Moq
General
1 15 (21.74%) Finance
2 2 (2.90%) Banking
3 1 (1.45%) Marketing
3 1 (1.45%) Manufacturing
3 1 (1.45%) Electronics
3 1 (1.45%) Telecoms
Job Titles
1 57 (82.61%) Developer
2 23 (33.33%) .NET Developer
3 12 (17.39%) C# Developer
4 7 (10.14%) Pick Developer
4 7 (10.14%) WPF Developer
5 6 (8.70%) AWS Developer
5 6 (8.70%) C# .NET Developer
6 5 (7.25%) Programmer
6 5 (7.25%) Web Developer
7 4 (5.80%) Test Manager
7 4 (5.80%) Software Developer
7 4 (5.80%) Java Developer
7 4 (5.80%) Agile .NET Developer
8 3 (4.35%) Senior Developer
8 3 (4.35%) Systems Builder
8 3 (4.35%) ASP.NET Developer
8 3 (4.35%) .NET Web Developer
9 2 (2.90%) C# ASP.NET Developer
9 2 (2.90%) Senior .NET Developer
9 2 (2.90%) C# Web Developer
Libraries, Frameworks & Software Standards
1 49 (71.01%) .NET
2 34 (49.28%) WCF
3 23 (33.33%) jQuery
4 19 (27.54%) .NET Framework
5 18 (26.09%) ASP.NET
6 15 (21.74%) CSS
7 13 (18.84%) WPF
7 13 (18.84%) ADO.NET Entity Framework
7 13 (18.84%) AngularJS
8 12 (17.39%) HTML
9 11 (15.94%) Web Services
9 11 (15.94%) ASP.NET MVC
9 11 (15.94%) ASP.NET Web Forms
10 10 (14.49%) WinForms
11 9 (13.04%) KnockoutJS
12 8 (11.59%) JSON
13 7 (10.14%) NHibernate
13 7 (10.14%) Castle Windsor
13 7 (10.14%) Backbone.js
14 6 (8.70%) Ajax
Miscellaneous
1 10 (14.49%) Open Source
2 7 (10.14%) Analytical Skills
3 5 (7.25%) EPoS
4 4 (5.80%) Visualisation
5 3 (4.35%) Client/Server
5 3 (4.35%) N-Tier
6 2 (2.90%) Computer Science
7 1 (1.45%) DTV
7 1 (1.45%) Inversion of Control
7 1 (1.45%) Embedded Systems
7 1 (1.45%) User Experience
Operating Systems
1 7 (10.14%) Windows
2 6 (8.70%) Linux
3 4 (5.80%) Red Hat Enterprise Linux
4 3 (4.35%) UNIX
4 3 (4.35%) Windows NT
Processes & Methodologies
1 47 (68.12%) Agile Software Development
2 31 (44.93%) Scrum
3 29 (42.03%) MVC
3 29 (42.03%) OO
4 20 (28.99%) BDD
5 15 (21.74%) Automated Testing
6 14 (20.29%) SOA
7 13 (18.84%) OOD
8 11 (15.94%) Continuous Integration
9 10 (14.49%) MVVM
10 9 (13.04%) E-Commerce
11 7 (10.14%) Domain-Driven Design
11 7 (10.14%) Unit Testing
12 6 (8.70%) Test Automation
12 6 (8.70%) Software Engineering
12 6 (8.70%) User Stories
13 5 (7.25%) Waterfall
13 5 (7.25%) Test Scripting
14 4 (5.80%) Web Development
14 4 (5.80%) MapReduce
Programming Languages
1 52 (75.36%) C#
2 23 (33.33%) JavaScript
3 16 (23.19%) SQL
4 15 (21.74%) Java
5 12 (17.39%) T-SQL
6 8 (11.59%) XAML
7 4 (5.80%) VB.NET
7 4 (5.80%) VBScript
8 3 (4.35%) C++
8 3 (4.35%) COBOL
8 3 (4.35%) RPG
9 2 (2.90%) PL/1
9 2 (2.90%) VB
10 1 (1.45%) PHP
10 1 (1.45%) PL/SQL
10 1 (1.45%) ActionScript 3.0
10 1 (1.45%) ActionScript
Qualifications
1 4 (5.80%) DV Cleared
1 4 (5.80%) Security Cleared
2 1 (1.45%) Degree
Quality Assurance & Compliance
1 2 (2.90%) QA
Systems Management
1 4 (5.80%) Puppet
1 4 (5.80%) Vagrant
2 1 (1.45%) HP Quality Center
Vendors
1 9 (13.04%) Oracle
2 4 (5.80%) Red Hat
2 4 (5.80%) Atlassian
3 2 (2.90%) HP
4 1 (1.45%) SAP
4 1 (1.45%) Microsoft