The table below looks at the statistics for TDD skills in IT contracts advertised for the Yorkshire region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 18 December 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
18 Dec 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 47 46 74
Rank change year-on-year
-1 +28
Contract jobs citing TDD 95 77 45
As % of all contract IT jobs located in Yorkshire 3.58% 3.41% 1.88%
As % of the Processes & Methodologies category 4.68% 4.58% 2.61%
Number of daily rates quoted 57 29 22
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£375 £283 £333
Average daily rate % change year-on-year
+32.74% -15.03%
90% offered a daily rate of more than £318 £261 £200
10% offered a daily rate of more than £538 £393 £421
UK excluding London average daily rate £375 £350 £365
% change year-on-year
+7.14% -4.10%
Number of hourly rates quoted 1 0 4
Average hourly rate £55.00 - £40.00
UK excluding London average hourly rate £39.50 £33.00 £36.75
% change year-on-year
+19.69% -10.20%
TDD
England

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

Processes & Methodologies Category
Yorkshire
Contract IT job ads with a match in the
Processes & Methodologies category
2030 1681 1723
As % of all contract IT jobs located in Yorkshire 76.57% 74.45% 72.00%
Number of daily rates quoted 1335 1019 859
Average daily rate £375 £338 £338
Average daily rate % change year-on-year
+11.11% -
90% offered a daily rate of more than £275 £250 £200
10% offered a daily rate of more than £525 £450 £450
UK excluding London average daily rate £388 £363 £365
% change year-on-year
+6.89% -0.68%
Number of hourly rates quoted 50 50 69
Average hourly rate £16.00 £17.25 £21.00
Average hourly rate % change year-on-year
-7.24% -17.85%
90% offered a hourly rate of more than £11.30 £10.46 £11.00
10% offered a hourly rate of more than £42.50 £35.00 £40.00
UK excluding London average hourly rate £25.00 £27.00 £30.00
% change year-on-year
-7.40% -10.00%

TDD
Jobs Demand Trend in Yorkshire

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

TDD Jobs Demand Trend in Yorkshire

TDD
Daily Rate Trend in Yorkshire

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

TDD Daily Rate Trend in Yorkshire

TDD
Daily Rate Histogram in Yorkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Yorkshire region over the 3 months to 18 December 2014.

TDD Daily Rate Histogram in Yorkshire

TDD
Hourly Rate Trend in Yorkshire

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

TDD Hourly Rate Trend in Yorkshire

TDD
Contract Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the Yorkshire region over the 3 months to 18 December 2014. 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
West Yorkshire -3 65 £375 +30.43% 21
North Yorkshire +9 17 £325 +18.18% 13
South Yorkshire -3 12 £390 +34.48% 12
East Yorkshire - - - - 4
TDD
England

TDD
Top 30 Related IT Skills in Yorkshire

For the 6 months to 18 December 2014, IT contractor jobs across the Yorkshire 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.

1 134 (76.14%) Agile Software Development
2 89 (50.57%) C#
3 83 (47.16%) MVC
4 69 (39.20%) .NET
5 64 (36.36%) Java
6 60 (34.09%) Continuous Integration
7 57 (32.39%) JavaScript
8 56 (31.82%) HTML
9 54 (30.68%) ASP.NET
10 51 (28.98%) Scrum
11 48 (27.27%) BDD
12 46 (26.14%) CSS
13 42 (23.86%) SQL
14 39 (22.16%) Subversion
15 37 (21.02%) Team Foundation Server
15 37 (21.02%) jQuery
16 36 (20.45%) ASP.NET MVC
17 34 (19.32%) Web Services
18 32 (18.18%) Software Engineering
19 29 (16.48%) PHP
19 29 (16.48%) Ruby
20 28 (15.91%) SQL Server
21 27 (15.34%) .NET Framework
21 27 (15.34%) CSS3
22 26 (14.77%) NoSQL
22 26 (14.77%) Linux
23 25 (14.20%) HTML5
24 24 (13.64%) Hibernate
25 23 (13.07%) Git (software)
26 22 (12.50%) MongoDB

TDD
Top Related IT Skills in Yorkshire by Category

For the 6 months to 18 December 2014, IT contractor jobs across the Yorkshire 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 17 (9.66%) Node.js
2 13 (7.39%) IIS
3 9 (5.11%) CMS
4 7 (3.98%) SharePoint
4 7 (3.98%) Tomcat
5 6 (3.41%) Apache
6 5 (2.84%) Kentico
7 4 (2.27%) Apache ServiceMix
7 4 (2.27%) nginx
8 3 (1.70%) BizTalk Server
8 3 (1.70%) SharePoint 2010
8 3 (1.70%) SharePoint Server
8 3 (1.70%) Magnolia
8 3 (1.70%) OpenStack
9 2 (1.14%) ColdFusion
10 1 (0.57%) CICS
10 1 (0.57%) Apache Solr
10 1 (0.57%) Umbraco
10 1 (0.57%) Sitecore CMS
10 1 (0.57%) WebSphere
Applications
1 6 (3.41%) MS Excel
2 3 (1.70%) Spreadsheet
3 1 (0.57%) Simulink
Business Applications
1 3 (1.70%) Dynamics CRM
Cloud Services
1 10 (5.68%) Amazon AWS
2 6 (3.41%) Amazon EC2
2 6 (3.41%) Amazon S3
3 4 (2.27%) Route 53
4 3 (1.70%) Amazon SQS
5 2 (1.14%) Microsoft Azure
6 1 (0.57%) SaaS
6 1 (0.57%) Heroku
Communications & Networking
1 9 (5.11%) HTTP
2 4 (2.27%) DNS
2 4 (2.27%) Firewall
3 3 (1.70%) TCP/IP
3 3 (1.70%) SSL
3 3 (1.70%) DHCP
4 2 (1.14%) Intrusion Detection
Database & Business Intelligence
1 28 (15.91%) SQL Server
2 26 (14.77%) NoSQL
3 22 (12.50%) MongoDB
4 20 (11.36%) Relational Database
5 16 (9.09%) SQL Server 2008
6 14 (7.95%) MySQL
7 13 (7.39%) SQL Server 2005
8 12 (6.82%) Couchbase
9 11 (6.25%) RDBMS
9 11 (6.25%) Redis
10 10 (5.68%) SQL Server Integration Services
11 8 (4.55%) SimpleDB
12 7 (3.98%) Amazon DynamoDB
12 7 (3.98%) RavenDB
13 6 (3.41%) Amazon RDS
14 4 (2.27%) Pentaho
14 4 (2.27%) PostgreSQL
15 3 (1.70%) CouchDB
15 3 (1.70%) SQL Server Reporting Services
15 3 (1.70%) SQL Server 2012
Development Applications
1 39 (22.16%) Subversion
2 37 (21.02%) Team Foundation Server
3 23 (13.07%) Git (software)
4 22 (12.50%) Visual Studio
4 22 (12.50%) Cucumber
5 12 (6.82%) Selenium
6 10 (5.68%) JUnit
7 7 (3.98%) Jenkins
8 6 (3.41%) Maven
8 6 (3.41%) MSTest
8 6 (3.41%) NUnit
9 5 (2.84%) LLBLGen Pro
9 5 (2.84%) Appcelerator Titanium
10 4 (2.27%) QUnit
10 4 (2.27%) JMeter
11 3 (1.70%) Ant
11 3 (1.70%) PHPUnit
11 3 (1.70%) Hudson
11 3 (1.70%) Gradle
12 1 (0.57%) Oracle Forms
General
1 11 (6.25%) Finance
2 4 (2.27%) Telecoms
3 2 (1.14%) Banking
4 1 (0.57%) Electronics
4 1 (0.57%) Automotive
Job Titles
1 123 (69.89%) Developer
2 54 (30.68%) .NET Developer
3 30 (17.05%) Java Developer
4 17 (9.66%) Agile Coach
5 15 (8.52%) Senior Developer
6 12 (6.82%) Software Engineer
7 10 (5.68%) C# Developer
8 8 (4.55%) Web Developer
9 7 (3.98%) Tester
10 6 (3.41%) PHP Developer
11 5 (2.84%) Senior .NET Developer
11 5 (2.84%) Analyst
11 5 (2.84%) ScrumMaster
11 5 (2.84%) DevOps Engineer
11 5 (2.84%) Cloud Software Engineer
11 5 (2.84%) Cloud Engineer
12 4 (2.27%) Java/J2EE Developer
12 4 (2.27%) C# .NET Developer
12 4 (2.27%) Silverlight Developer
12 4 (2.27%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 69 (39.20%) .NET
2 56 (31.82%) HTML
3 54 (30.68%) ASP.NET
4 46 (26.14%) CSS
5 37 (21.02%) jQuery
6 36 (20.45%) ASP.NET MVC
7 34 (19.32%) Web Services
8 27 (15.34%) .NET Framework
8 27 (15.34%) CSS3
9 25 (14.20%) HTML5
10 24 (13.64%) Hibernate
11 22 (12.50%) Spring
12 21 (11.93%) J2EE
13 19 (10.80%) Ajax
14 17 (9.66%) Spring MVC
15 16 (9.09%) JSON
16 15 (8.52%) ADO.NET Entity Framework
16 15 (8.52%) REST
17 14 (7.95%) WCF
17 14 (7.95%) NHibernate
Miscellaneous
1 9 (5.11%) Client/Server
2 8 (4.55%) Enterprise Software
3 6 (3.41%) Mobile App
4 5 (2.84%) W3C
4 5 (2.84%) Open Source
4 5 (2.84%) iPhone
5 4 (2.27%) User Experience
5 4 (2.27%) PKI
5 4 (2.27%) Smartcard
6 3 (1.70%) N-Tier
6 3 (1.70%) Analytical Skills
7 2 (1.14%) Data Structures
7 2 (1.14%) Algorithms
7 2 (1.14%) Digital Media
7 2 (1.14%) NHS
8 1 (0.57%) Mainframe
8 1 (0.57%) Blackberry
Operating Systems
1 26 (14.77%) Linux
2 16 (9.09%) Windows
3 13 (7.39%) Android
4 12 (6.82%) UNIX
5 6 (3.41%) Windows Mobile
5 6 (3.41%) Mac OS X
6 4 (2.27%) CentOS
6 4 (2.27%) Windows 7
6 4 (2.27%) Apple iOS
7 1 (0.57%) Windows Phone
Processes & Methodologies
1 134 (76.14%) Agile Software Development
2 83 (47.16%) MVC
3 60 (34.09%) Continuous Integration
4 51 (28.98%) Scrum
5 48 (27.27%) BDD
6 32 (18.18%) Software Engineering
7 20 (11.36%) OO
8 19 (10.80%) ATDD
8 19 (10.80%) Test Automation
9 16 (9.09%) Web Development
9 16 (9.09%) Refactoring
9 16 (9.09%) Unit Testing
9 16 (9.09%) Test Scripting
10 14 (7.95%) User Stories
10 14 (7.95%) Configuration Management
10 14 (7.95%) OOP
11 12 (6.82%) DevOps
12 11 (6.25%) Project Management
12 11 (6.25%) MVVM
13 10 (5.68%) Automated Testing
Programming Languages
1 89 (50.57%) C#
2 64 (36.36%) Java
3 57 (32.39%) JavaScript
4 42 (23.86%) SQL
5 29 (16.48%) PHP
5 29 (16.48%) Ruby
6 21 (11.93%) Python
7 11 (6.25%) C++
7 11 (6.25%) Bash Shell
8 6 (3.41%) T-SQL
9 4 (2.27%) VB.NET
10 3 (1.70%) PowerShell
11 2 (1.14%) PHP5
11 2 (1.14%) PL/SQL
11 2 (1.14%) Perl
12 1 (0.57%) XAML
12 1 (0.57%) COBOL
12 1 (0.57%) C
12 1 (0.57%) NATURAL
12 1 (0.57%) JCL
Qualifications
1 7 (3.98%) Degree
2 2 (1.14%) ISTQB
2 2 (1.14%) ISEB
3 1 (0.57%) PRINCE2 Certification
Quality Assurance & Compliance
1 16 (9.09%) QA
Systems Management
1 13 (7.39%) Puppet
1 13 (7.39%) Opscode Chef
2 10 (5.68%) Salt
3 4 (2.27%) OpenIDM
3 4 (2.27%) HAProxy
4 3 (1.70%) Graphite
Vendors
1 19 (10.80%) Oracle
2 10 (5.68%) Microsoft
3 5 (2.84%) Sencha
3 5 (2.84%) Zend
3 5 (2.84%) Appcelerator
4 4 (2.27%) Splunk
4 4 (2.27%) Cisco
4 4 (2.27%) Red Hat
5 1 (0.57%) Sitecore
5 1 (0.57%) Xamarin
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Rate: £300 - £350 per day
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