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 3 July 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
3 Jul 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 34 39 54
Rank change year-on-year
+5 +15
Contract jobs citing TDD 144 88 71
As % of all contract IT jobs located in Yorkshire 4.94% 3.85% 3.50%
As % of the Processes & Methodologies category 6.07% 5.15% 4.77%
Number of daily rates quoted 118 69 49
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£344 £325 £275
Average daily rate % change year-on-year
+5.76% +18.18%
90% offered a daily rate of more than £300 £280 £125
10% offered a daily rate of more than £450 £415 £325
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 0 1 0
Average hourly rate - £40.00 -
UK excluding London average hourly rate £45.00 £59.50 £36.50
% change year-on-year
-24.36% +63.01%
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
2372 1710 1489
As % of all contract IT jobs located in Yorkshire 81.34% 74.74% 73.35%
Number of daily rates quoted 1664 1113 817
Average daily rate £370 £350 £325
Average daily rate % change year-on-year
+5.71% +7.69%
90% offered a daily rate of more than £275 £225 £213
10% offered a daily rate of more than £500 £461 £450
UK excluding London average daily rate £388 £375 £370
% change year-on-year
+3.33% +1.35%
Number of hourly rates quoted 56 50 58
Average hourly rate £15.45 £15.00 £36.75
Average hourly rate % change year-on-year
+2.96% -59.18%
90% offered a hourly rate of more than £10.50 £10.00 £12.50
10% offered a hourly rate of more than £45.00 £40.00 £47.50
UK excluding London average hourly rate £30.00 £28.50 £30.50
% change year-on-year
+5.26% -6.55%

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 3 July 2015.

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 3 July 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
West Yorkshire +7 127 £335 +3.07% 52
South Yorkshire -13 8 £350 -6.66% 3
North Yorkshire -13 6 £400 +23.07% 11
TDD
England

TDD
Top 30 Related IT Skills in Yorkshire

For the 6 months to 3 July 2015, 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.

1 258 (79.63%) Agile Software Development
2 142 (43.83%) JavaScript
3 131 (40.43%) HTML
4 129 (39.81%) Java
5 126 (38.89%) Continuous Integration
6 125 (38.58%) SQL
7 118 (36.42%) MVC
8 117 (36.11%) .NET
9 115 (35.49%) C#
9 115 (35.49%) CSS
10 101 (31.17%) BDD
11 96 (29.63%) jQuery
12 92 (28.40%) SQL Server
13 68 (20.99%) Oracle
14 66 (20.37%) Scrum
15 64 (19.75%) NUnit
16 57 (17.59%) OO
17 55 (16.98%) Microsoft
18 54 (16.67%) .NET Framework
19 52 (16.05%) Web Services
20 51 (15.74%) ASP.NET
21 50 (15.43%) Ruby
21 50 (15.43%) QA
21 50 (15.43%) Selenium
22 48 (14.81%) Test Automation
23 47 (14.51%) Git (software)
23 47 (14.51%) Open Source
23 47 (14.51%) Cucumber
23 47 (14.51%) NoSQL
24 46 (14.20%) Entity Framework

TDD
Top Related IT Skills in Yorkshire by Category

For the 6 months to 3 July 2015, 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 18 (5.56%) Cloud Foundry
2 16 (4.94%) Node.js
2 16 (4.94%) Apache
3 15 (4.63%) WebSphere
4 10 (3.09%) Tomcat
4 10 (3.09%) JBoss
4 10 (3.09%) CMS
5 7 (2.16%) Umbraco
5 7 (2.16%) nginx
6 4 (1.23%) GlassFish
6 4 (1.23%) IIS
6 4 (1.23%) Confluence
7 3 (0.93%) WebLogic
7 3 (0.93%) BizTalk Server
8 2 (0.62%) CICS
8 2 (0.62%) Apache Pig
9 1 (0.31%) Elasticsearch
9 1 (0.31%) Apache ServiceMix
9 1 (0.31%) Adobe Experience Manager
9 1 (0.31%) SAS
Applications
1 5 (1.54%) MS Excel
2 2 (0.62%) PowerPivot
2 2 (0.62%) Photoshop
Cloud Services
1 10 (3.09%) Microsoft Azure
2 9 (2.78%) Amazon AWS
3 7 (2.16%) Amazon EC2
3 7 (2.16%) Amazon S3
3 7 (2.16%) Route 53
3 7 (2.16%) Virtual Private Cloud
4 2 (0.62%) GitHub
5 1 (0.31%) Cloud Computing
5 1 (0.31%) SaaS
Communications & Networking
1 14 (4.32%) Firewall
2 13 (4.01%) HTTP
3 9 (2.78%) Internet
4 7 (2.16%) Intrusion Detection
5 2 (0.62%) Skype
Database & Business Intelligence
1 92 (28.40%) SQL Server
2 47 (14.51%) NoSQL
3 42 (12.96%) MongoDB
4 36 (11.11%) SQL Server 2008
5 32 (9.88%) Relational Database
6 31 (9.57%) SQL Server 2012
7 29 (8.95%) SQL Server Integration Services
8 26 (8.02%) Oracle Database
9 24 (7.41%) Oracle Database 11g
10 20 (6.17%) MySQL
11 12 (3.70%) SQL Server 2005
12 11 (3.40%) Couchbase
13 9 (2.78%) Redis
14 8 (2.47%) RDBMS
15 7 (2.16%) SimpleDB
15 7 (2.16%) Amazon RDS
16 6 (1.85%) Neo4j
17 5 (1.54%) CouchDB
17 5 (1.54%) SQL Server Analysis Services
17 5 (1.54%) DB2
Development Applications
1 64 (19.75%) NUnit
2 50 (15.43%) Selenium
3 47 (14.51%) Cucumber
3 47 (14.51%) Git (software)
4 31 (9.57%) Rhino Mocks
5 22 (6.79%) Visual Studio
6 21 (6.48%) TeamCity
6 21 (6.48%) SpecFlow
7 20 (6.17%) Toad
7 20 (6.17%) Team Foundation Server
7 20 (6.17%) Subversion
8 19 (5.86%) IntelliJ
8 19 (5.86%) Capybara
8 19 (5.86%) Jenkins
9 12 (3.70%) JUnit
10 10 (3.09%) HP UFT
11 9 (2.78%) Eclipse
11 9 (2.78%) Sahi
11 9 (2.78%) WATIR
11 9 (2.78%) Jasmine
General
1 22 (6.79%) Finance
2 13 (4.01%) Back Office
3 7 (2.16%) Telecoms
4 2 (0.62%) Games
5 1 (0.31%) Banking
5 1 (0.31%) Investment Banking
5 1 (0.31%) Local Government
5 1 (0.31%) Marketing
5 1 (0.31%) Legal
Job Titles
1 241 (74.38%) Developer
2 85 (26.23%) .NET Developer
3 53 (16.36%) Java Developer
4 24 (7.41%) C# Developer
5 22 (6.79%) Senior Developer
5 22 (6.79%) Analyst
6 20 (6.17%) Oracle Developer
7 19 (5.86%) PHP Developer
7 19 (5.86%) Test Analyst
7 19 (5.86%) Ruby Developer
8 17 (5.25%) SQL Developer
8 17 (5.25%) C# .NET Developer
9 15 (4.63%) Agile Coach
10 13 (4.01%) JavaScript Developer
11 12 (3.70%) Software Engineer
12 9 (2.78%) Database Developer
13 8 (2.47%) Senior .NET Developer
13 8 (2.47%) QA Analyst
13 8 (2.47%) Agile .NET Developer
14 7 (2.16%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 131 (40.43%) HTML
2 117 (36.11%) .NET
3 115 (35.49%) CSS
4 96 (29.63%) jQuery
5 54 (16.67%) .NET Framework
6 52 (16.05%) Web Services
7 51 (15.74%) ASP.NET
8 46 (14.20%) XML
8 46 (14.20%) Entity Framework
9 45 (13.89%) ASP.NET Web API
10 43 (13.27%) JSON
11 40 (12.35%) HTML5
12 36 (11.11%) RESTful
13 35 (10.80%) NHibernate
13 35 (10.80%) CSS3
14 31 (9.57%) Twitter Bootstrap
15 30 (9.26%) Spring
16 29 (8.95%) Hibernate
17 25 (7.72%) Sass
18 22 (6.79%) REST
Miscellaneous
1 10 (3.09%) User Experience
2 7 (2.16%) Analytical Skills
3 6 (1.85%) W3C
4 5 (1.54%) Mobile App
4 5 (1.54%) Enterprise Software
5 4 (1.23%) Inversion of Control
5 4 (1.23%) N-Tier
6 3 (0.93%) NHS
7 2 (0.62%) Mainframe
7 2 (0.62%) RIA
8 1 (0.31%) Management Information System
8 1 (0.31%) BBC
8 1 (0.31%) PKI
8 1 (0.31%) Interest Rate Derivative
8 1 (0.31%) Computer Science
8 1 (0.31%) Blog
8 1 (0.31%) Smartcard
Operating Systems
1 32 (9.88%) Linux
2 26 (8.02%) UNIX
3 19 (5.86%) Windows
4 11 (3.40%) Mac OS X
5 6 (1.85%) Windows Phone
6 5 (1.54%) Android
6 5 (1.54%) Apple iOS
7 4 (1.23%) Windows Mobile
8 1 (0.31%) CentOS
8 1 (0.31%) zOS
Processes & Methodologies
1 258 (79.63%) Agile Software Development
2 126 (38.89%) Continuous Integration
3 118 (36.42%) MVC
4 101 (31.17%) BDD
5 66 (20.37%) Scrum
6 57 (17.59%) OO
7 48 (14.81%) Test Automation
8 47 (14.51%) Open Source
9 37 (11.42%) Software Engineering
10 36 (11.11%) Web Design
10 36 (11.11%) Pair Programming
11 34 (10.49%) SDLC
12 32 (9.88%) Responsive Web Design
13 26 (8.02%) Kanban
13 26 (8.02%) Data Modelling
14 25 (7.72%) Data Mapping
15 21 (6.48%) Configuration Management
16 20 (6.17%) Continuous Improvement
17 19 (5.86%) Web Development
18 18 (5.56%) ATDD
Programming Languages
1 142 (43.83%) JavaScript
2 129 (39.81%) Java
3 125 (38.58%) SQL
4 115 (35.49%) C#
5 50 (15.43%) Ruby
6 36 (11.11%) T-SQL
7 35 (10.80%) PL/SQL
8 27 (8.33%) PowerShell
9 25 (7.72%) PHP
10 17 (5.25%) Python
11 9 (2.78%) Scala
12 8 (2.47%) VB
13 7 (2.16%) XPath
13 7 (2.16%) Perl
13 7 (2.16%) VB6
14 6 (1.85%) Bash Shell
15 5 (1.54%) PHP5
16 4 (1.23%) Groovy
16 4 (1.23%) C
17 2 (0.62%) C++
Qualifications
1 17 (5.25%) Degree
2 11 (3.40%) Security Cleared
3 6 (1.85%) MCAD
3 6 (1.85%) MCSD
3 6 (1.85%) Microsoft Certification
4 3 (0.93%) ISEB
4 3 (0.93%) SC Cleared
5 2 (0.62%) ISTQB
Quality Assurance & Compliance
1 50 (15.43%) QA
2 2 (0.62%) Data Quality
System Software
1 18 (5.56%) VMware Infrastructure
2 2 (0.62%) Docker
Systems Management
1 23 (7.10%) Opscode Chef
2 21 (6.48%) Puppet
3 20 (6.17%) Ansible
4 18 (5.56%) Graylog
5 9 (2.78%) Salt
6 7 (2.16%) HAProxy
7 1 (0.31%) OpenIDM
7 1 (0.31%) Capistrano
7 1 (0.31%) Graphite
Vendors
1 68 (20.99%) Oracle
2 55 (16.98%) Microsoft
3 18 (5.56%) VMware
3 18 (5.56%) Akamai
3 18 (5.56%) New Relic
4 12 (3.70%) Zend
5 7 (2.16%) hybris
6 5 (1.54%) IBM
6 5 (1.54%) Sitecore
7 4 (1.23%) Xamarin
7 4 (1.23%) Atlassian
8 2 (0.62%) Splunk
9 1 (0.31%) SaltStack
9 1 (0.31%) Cisco
9 1 (0.31%) Adobe
9 1 (0.31%) HP
9 1 (0.31%) Nokia
9 1 (0.31%) Red Hat
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Rate: £350 - £450 per day
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