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 17 April 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
17 Apr 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 58 47 53
Rank change year-on-year
-11 +6
Contract jobs citing TDD 28 43 15
As % of all contract IT jobs located in Buckinghamshire 2.20% 3.60% 1.76%
As % of the Processes & Methodologies category 2.85% 5.02% 2.40%
Number of daily rates quoted 19 32 13
Average daily rate
Keep up to 90%
of your Daily Rate
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£350 £380 £325
Average daily rate % change year-on-year
-7.89% +16.92%
90% offered a daily rate of more than £225 £314 £175
10% offered a daily rate of more than £500 £498 £405
UK excluding London average daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £39.25 £42.50 £38.25
% change year-on-year
-7.64% +11.11%
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
984 856 624
As % of all contract IT jobs located in Buckinghamshire 77.36% 71.63% 73.33%
Number of daily rates quoted 470 486 357
Average daily rate £363 £370 £340
Average daily rate % change year-on-year
-2.02% +8.82%
90% offered a daily rate of more than £265 £250 £175
10% offered a daily rate of more than £500 £469 £500
UK excluding London average daily rate £393 £375 £363
% change year-on-year
+4.66% +3.44%
Number of hourly rates quoted 20 22 31
Average hourly rate £27.50 £15.97 £15.00
Average hourly rate % change year-on-year
+72.19% +6.46%
90% offered a hourly rate of more than £12.38 £12.50 £10.19
10% offered a hourly rate of more than £40.00 £27.00 £98.75
UK excluding London average hourly rate £31.44 £30.00 £32.00
% change year-on-year
+4.80% -6.25%

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 17 April 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 17 April 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 -16 20 £420 +5.00% 4
Aylesbury -2 2 £288 -12.87%
High Wycombe - 1 £350 - 1
Gerrards Cross - - - -
Newport Pagnell - - - -
TDD
South East

TDD
Top 30 Related IT Skills in Buckinghamshire

For the 6 months to 17 April 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 51 (75.00%) C#
2 46 (67.65%) .NET
2 46 (67.65%) Agile Software Development
3 32 (47.06%) WCF
4 30 (44.12%) Scrum
4 30 (44.12%) OO
5 29 (42.65%) MVC
6 26 (38.24%) SQL Server
7 25 (36.76%) jQuery
8 23 (33.82%) JavaScript
9 20 (29.41%) Visual Studio
10 19 (27.94%) .NET Framework
11 18 (26.47%) ASP.NET
12 17 (25.00%) CSS
12 17 (25.00%) BDD
13 15 (22.06%) HTML
13 15 (22.06%) NUnit
14 14 (20.59%) Automated Testing
14 14 (20.59%) Java
14 14 (20.59%) SQL
14 14 (20.59%) Entity Framework
14 14 (20.59%) Team Foundation Server
15 13 (19.12%) T-SQL
15 13 (19.12%) OOD
15 13 (19.12%) SOA
15 13 (19.12%) WPF
16 12 (17.65%) Finance
16 12 (17.65%) Web Services
16 12 (17.65%) Kentico
17 11 (16.18%) Open Source

TDD
Top Related IT Skills in Buckinghamshire by Category

For the 6 months to 17 April 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 (17.65%) Kentico
2 11 (16.18%) CMS
3 10 (14.71%) SharePoint
4 4 (5.88%) WebLogic
4 4 (5.88%) Node.js
4 4 (5.88%) Confluence
5 1 (1.47%) WebSphere
5 1 (1.47%) Umbraco
Applications
1 1 (1.47%) Photoshop
1 1 (1.47%) Adobe Illustrator
Business Applications
1 1 (1.47%) Oracle Applications
1 1 (1.47%) SAP Oil and Gas
Cloud Services
1 1 (1.47%) Microsoft Azure
1 1 (1.47%) Amazon AWS
Communications & Networking
1 4 (5.88%) Internet
1 4 (5.88%) AMQP
Database & Business Intelligence
1 26 (38.24%) SQL Server
2 8 (11.76%) SQL Server 2008
3 7 (10.29%) UniData
4 6 (8.82%) Oracle Database
5 5 (7.35%) SQL Server 2012
5 5 (7.35%) NoSQL
6 4 (5.88%) Big Data
6 4 (5.88%) Hadoop
6 4 (5.88%) MongoDB
7 1 (1.47%) SQL Server 2005
7 1 (1.47%) SQLite
Development Applications
1 20 (29.41%) Visual Studio
2 15 (22.06%) NUnit
3 14 (20.59%) Team Foundation Server
4 10 (14.71%) JIRA
5 8 (11.76%) Subversion
6 6 (8.82%) Selenium
6 6 (8.82%) WebDriver
6 6 (8.82%) MSTest
7 5 (7.35%) Ant
7 5 (7.35%) Mocha
7 5 (7.35%) Cucumber
8 4 (5.88%) QUnit
8 4 (5.88%) Gradle
8 4 (5.88%) PhantomJS
8 4 (5.88%) JUnit
8 4 (5.88%) Eclipse
8 4 (5.88%) QuickTest Pro
8 4 (5.88%) Mercurial
9 3 (4.41%) TeamCity
10 2 (2.94%) Moq
General
1 12 (17.65%) Finance
2 2 (2.94%) Banking
3 1 (1.47%) Marketing
3 1 (1.47%) Manufacturing
3 1 (1.47%) Publishing
3 1 (1.47%) Electronics
3 1 (1.47%) Telecoms
Job Titles
1 56 (82.35%) Developer
2 20 (29.41%) .NET Developer
3 12 (17.65%) C# Developer
4 7 (10.29%) Pick Developer
4 7 (10.29%) WPF Developer
5 6 (8.82%) AWS Developer
5 6 (8.82%) Web Developer
6 5 (7.35%) C# .NET Developer
7 4 (5.88%) ASP.NET Developer
7 4 (5.88%) Programmer
7 4 (5.88%) Java Developer
7 4 (5.88%) .NET Web Developer
7 4 (5.88%) C# Web Developer
7 4 (5.88%) Agile .NET Developer
8 3 (4.41%) C# ASP.NET Developer
8 3 (4.41%) Systems Builder
8 3 (4.41%) Test Manager
8 3 (4.41%) Software Developer
9 2 (2.94%) Analyst
9 2 (2.94%) Senior Developer
Libraries, Frameworks & Software Standards
1 46 (67.65%) .NET
2 32 (47.06%) WCF
3 25 (36.76%) jQuery
4 19 (27.94%) .NET Framework
5 18 (26.47%) ASP.NET
6 17 (25.00%) CSS
7 15 (22.06%) HTML
8 14 (20.59%) Entity Framework
9 13 (19.12%) WPF
10 12 (17.65%) Web Services
11 11 (16.18%) WinForms
11 11 (16.18%) AngularJS
11 11 (16.18%) ASP.NET Web Forms
12 9 (13.24%) Ajax
12 9 (13.24%) NHibernate
12 9 (13.24%) JSON
12 9 (13.24%) ASP.NET MVC
13 7 (10.29%) KnockoutJS
14 6 (8.82%) Castle Windsor
14 6 (8.82%) ASP.NET Web API
Miscellaneous
1 11 (16.18%) Open Source
2 7 (10.29%) Analytical Skills
3 5 (7.35%) N-Tier
4 4 (5.88%) EPoS
4 4 (5.88%) Client/Server
4 4 (5.88%) Visualisation
5 2 (2.94%) Mobile App
5 2 (2.94%) User Experience
5 2 (2.94%) Computer Science
6 1 (1.47%) Inversion of Control
6 1 (1.47%) Embedded Systems
6 1 (1.47%) Blackberry
6 1 (1.47%) DTV
6 1 (1.47%) BYOD
Operating Systems
1 7 (10.29%) Windows
2 6 (8.82%) Linux
3 4 (5.88%) Red Hat Enterprise Linux
4 2 (2.94%) Windows NT
4 2 (2.94%) UNIX
5 1 (1.47%) Android
5 1 (1.47%) Apple iOS
5 1 (1.47%) BlackBerry OS
5 1 (1.47%) Windows Phone 8
5 1 (1.47%) Windows Phone
Processes & Methodologies
1 46 (67.65%) Agile Software Development
2 30 (44.12%) Scrum
2 30 (44.12%) OO
3 29 (42.65%) MVC
4 17 (25.00%) BDD
5 14 (20.59%) Automated Testing
6 13 (19.12%) OOD
6 13 (19.12%) SOA
7 11 (16.18%) Continuous Integration
8 10 (14.71%) Unit Testing
9 9 (13.24%) MVVM
10 8 (11.76%) E-Commerce
11 6 (8.82%) Test Scripting
11 6 (8.82%) Web Development
11 6 (8.82%) User Stories
12 5 (7.35%) Test Automation
12 5 (7.35%) Domain-Driven Design
12 5 (7.35%) Software Engineering
13 4 (5.88%) Configuration Management
13 4 (5.88%) MapReduce
Programming Languages
1 51 (75.00%) C#
2 23 (33.82%) JavaScript
3 14 (20.59%) SQL
3 14 (20.59%) Java
4 13 (19.12%) T-SQL
5 7 (10.29%) XAML
6 5 (7.35%) VB.NET
7 3 (4.41%) RPG
7 3 (4.41%) VBScript
7 3 (4.41%) C++
7 3 (4.41%) COBOL
8 2 (2.94%) VB
8 2 (2.94%) PL/1
9 1 (1.47%) ActionScript 3.0
9 1 (1.47%) ActionScript
9 1 (1.47%) PHP
9 1 (1.47%) PL/SQL
Qualifications
1 4 (5.88%) DV Cleared
1 4 (5.88%) Security Cleared
2 1 (1.47%) Degree
Quality Assurance & Compliance
1 2 (2.94%) QA
Systems Management
1 4 (5.88%) Puppet
1 4 (5.88%) Vagrant
2 1 (1.47%) AirWatch
2 1 (1.47%) HP Quality Center
Vendors
1 9 (13.24%) Oracle
2 4 (5.88%) Red Hat
2 4 (5.88%) Atlassian
3 2 (2.94%) Microsoft
3 2 (2.94%) HP
4 1 (1.47%) SAP
4 1 (1.47%) MobileIron