The table below looks at the statistics for TDD skills in IT contracts advertised for the North West region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 22 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
22 Oct 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 51 39 63
Rank change year-on-year
-12 +24
Contract jobs citing TDD 104 121 78
As % of all contract IT jobs located in the North West 3.27% 4.31% 2.46%
As % of the Processes & Methodologies category 4.44% 5.90% 3.73%
Number of daily rates quoted 72 72 47
Average daily rate
Keep up to 90%
of your Daily Rate
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£350 £320 £325
Average daily rate % change year-on-year
+9.37% -1.53%
90% offered a daily rate of more than £311 £274 £260
10% offered a daily rate of more than £500 £375 £384
UK excluding London average daily rate £375 £348 £350
% change year-on-year
+7.91% -0.71%
Number of hourly rates quoted 7 2 4
Average hourly rate £34.00 £33.00 £27.50
Average hourly rate % change year-on-year
+3.03% +20.00%
90% offered a hourly rate of more than £32.50 £21.10 £22.90
10% offered a hourly rate of more than £36.00 £33.00 £35.25
UK excluding London average hourly rate £37.50 £33.00 £30.00
% change year-on-year
+13.63% +10.00%
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 North West region.

Processes & Methodologies Category
North West
Contract IT job ads with a match in the
Processes & Methodologies category
2343 2050 2093
As % of all contract IT jobs located in the North West 73.66% 72.95% 65.90%
Number of daily rates quoted 1362 992 1067
Average daily rate £375 £333 £350
Average daily rate % change year-on-year
+12.78% -5.00%
90% offered a daily rate of more than £263 £245 £238
10% offered a daily rate of more than £530 £490 £488
UK excluding London average daily rate £375 £363 £370
% change year-on-year
+3.44% -2.02%
Number of hourly rates quoted 111 128 89
Average hourly rate £31.00 £22.50 £22.50
Average hourly rate % change year-on-year
+37.77% -
90% offered a hourly rate of more than £12.52 £13.67 £12.50
10% offered a hourly rate of more than £78.00 £44.00 £51.00
UK excluding London average hourly rate £25.00 £28.50 £27.50
% change year-on-year
-12.28% +3.63%

TDD
Jobs Demand Trend in the North West

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

TDD Jobs Demand Trend in the North West

TDD
Daily Rate Trend in the North West

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

TDD Daily Rate Trend in the North West

TDD
Daily Rate Histogram in the North West

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the North West region over the 3 months to 22 October 2014.

TDD Daily Rate Histogram in the North West

TDD
Hourly Rate Trend in the North West

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

TDD Hourly Rate Trend in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the North West region over the 3 months to 22 October 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
Manchester +2 73 £350 +7.69% 68
Cheshire -22 24 £344 +14.58% 39
Lancashire - 4 £488 - 5
Merseyside -4 1 - - 6
TDD
England

TDD
Top 30 Related IT Skills in the North West

For the 6 months to 22 October 2014, IT contractor jobs across the North West 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.

1 169 (77.17%) Agile Software Development
2 112 (51.14%) JavaScript
3 105 (47.95%) C#
4 100 (45.66%) HTML
5 94 (42.92%) CSS
6 81 (36.99%) Scrum
7 75 (34.25%) MVC
8 73 (33.33%) Java
9 68 (31.05%) .NET
10 62 (28.31%) BDD
11 58 (26.48%) Web Services
12 48 (21.92%) SQL
13 47 (21.46%) jQuery
14 46 (21.00%) Continuous Integration
14 46 (21.00%) HTML5
15 45 (20.55%) Unit Testing
16 42 (19.18%) Ajax
16 42 (19.18%) PHP
16 42 (19.18%) Python
17 40 (18.26%) OO
18 39 (17.81%) SQL Server
18 39 (17.81%) Ruby
19 38 (17.35%) Linux
20 37 (16.89%) JSON
20 37 (16.89%) Scala
21 35 (15.98%) OOP
21 35 (15.98%) C++
22 34 (15.53%) Open Source
23 32 (14.61%) NoSQL
24 30 (13.70%) RESTful

TDD
Top Related IT Skills in the North West by Category

For the 6 months to 22 October 2014, IT contractor jobs across the North West 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 (3.65%) Node.js
2 6 (2.74%) Apache Solr
3 5 (2.28%) IIS
3 5 (2.28%) Apache
4 3 (1.37%) Elasticsearch
4 3 (1.37%) Apache Spark
4 3 (1.37%) Orchard CMS
4 3 (1.37%) CMS
4 3 (1.37%) SharePoint
5 2 (0.91%) WebSphere
5 2 (0.91%) Tomcat
6 1 (0.46%) Cloud Foundry
6 1 (0.46%) JBoss
6 1 (0.46%) Umbraco
6 1 (0.46%) Mule
6 1 (0.46%) nginx
6 1 (0.46%) GlassFish
Applications
1 6 (2.74%) MS Excel
2 5 (2.28%) MS Visio
3 3 (1.37%) Mingle
4 1 (0.46%) InfoPath
Cloud Services
1 1 (0.46%) IaaS
1 1 (0.46%) SaaS
1 1 (0.46%) PaaS
1 1 (0.46%) Microsoft Azure
Communications & Networking
1 5 (2.28%) Internet
2 4 (1.83%) HTTP
Database & Business Intelligence
1 39 (17.81%) SQL Server
2 32 (14.61%) NoSQL
3 15 (6.85%) SQL Server 2008
4 12 (5.48%) MySQL
5 10 (4.57%) Relational Database
6 7 (3.20%) SQL Server 2012
7 6 (2.74%) SQL Server 2005
7 6 (2.74%) PostgreSQL
7 6 (2.74%) RavenDB
8 5 (2.28%) Crystal Reports
9 4 (1.83%) CouchDB
9 4 (1.83%) Couchbase
9 4 (1.83%) Big Data
10 3 (1.37%) MongoDB
10 3 (1.37%) Apache Cassandra
10 3 (1.37%) Redis
10 3 (1.37%) RDBMS
11 2 (0.91%) SQL Server 2000
12 1 (0.46%) Oracle Database
12 1 (0.46%) SQL Server Reporting Services
Development Applications
1 29 (13.24%) Git (software)
2 17 (7.76%) NUnit
3 11 (5.02%) Visual Studio
3 11 (5.02%) JIRA
4 9 (4.11%) Eclipse
5 8 (3.65%) Mercurial
5 8 (3.65%) Team Foundation Server
6 7 (3.20%) TeamCity
6 7 (3.20%) Selenium
7 6 (2.74%) Cucumber
8 5 (2.28%) Calabash
8 5 (2.28%) Jasmine
8 5 (2.28%) Jenkins
9 4 (1.83%) Subversion
9 4 (1.83%) Ant
9 4 (1.83%) Bower
9 4 (1.83%) CasperJS
10 3 (1.37%) PhantomJS
10 3 (1.37%) Grunt
10 3 (1.37%) Appcelerator Titanium
General
1 19 (8.68%) Finance
2 7 (3.20%) Games
3 3 (1.37%) Retail
4 2 (0.91%) Banking
5 1 (0.46%) Legal
5 1 (0.46%) Manufacturing
5 1 (0.46%) Publishing
5 1 (0.46%) Marketing
Job Titles
1 171 (78.08%) Developer
2 38 (17.35%) .NET Developer
3 30 (13.70%) Java Developer
4 29 (13.24%) C# Developer
5 22 (10.05%) Senior Developer
6 19 (8.68%) Front-End Developer
7 17 (7.76%) JavaScript Developer
8 15 (6.85%) Analyst
9 11 (5.02%) Web Developer
9 11 (5.02%) Business Analyst
10 10 (4.57%) Agile Business Analyst
10 10 (4.57%) Architect
10 10 (4.57%) C# .NET Developer
10 10 (4.57%) iOS Developer
11 9 (4.11%) Software Engineer
12 8 (3.65%) Technical Architect
12 8 (3.65%) WPF Developer
13 7 (3.20%) Software Developer
13 7 (3.20%) Python Developer
14 6 (2.74%) Java/J2EE Developer
Libraries, Frameworks & Software Standards
1 100 (45.66%) HTML
2 94 (42.92%) CSS
3 68 (31.05%) .NET
4 58 (26.48%) Web Services
5 47 (21.46%) jQuery
6 46 (21.00%) HTML5
7 42 (19.18%) Ajax
8 37 (16.89%) JSON
9 30 (13.70%) RESTful
10 29 (13.24%) XHTML
11 28 (12.79%) XML
12 27 (12.33%) ASP.NET
13 26 (11.87%) CSS3
13 26 (11.87%) WCF
14 25 (11.42%) ASP.NET MVC
15 19 (8.68%) J2EE
16 18 (8.22%) REST
17 17 (7.76%) WPF
18 15 (6.85%) ASP.NET Web API
19 14 (6.39%) Backbone.js
Miscellaneous
1 34 (15.53%) Open Source
2 18 (8.22%) User Experience
3 9 (4.11%) N-Tier
3 9 (4.11%) Animation
4 8 (3.65%) Computer Science
4 8 (3.65%) Digital Media
5 6 (2.74%) Mobile App
6 5 (2.28%) IPTV
7 4 (1.83%) iPad
7 4 (1.83%) iPhone
7 4 (1.83%) NHS
7 4 (1.83%) Analytical Skills
8 3 (1.37%) New Media
8 3 (1.37%) Management Information System
9 2 (0.91%) RIA
9 2 (0.91%) Enterprise Software
10 1 (0.46%) Embedded Systems
10 1 (0.46%) GIS
10 1 (0.46%) Tandem
10 1 (0.46%) W3C
Operating Systems
1 38 (17.35%) Linux
2 14 (6.39%) Apple iOS
3 10 (4.57%) Android
4 7 (3.20%) Windows
5 6 (2.74%) UNIX
6 1 (0.46%) Windows Mobile
Processes & Methodologies
1 169 (77.17%) Agile Software Development
2 81 (36.99%) Scrum
3 75 (34.25%) MVC
4 62 (28.31%) BDD
5 46 (21.00%) Continuous Integration
6 45 (20.55%) Unit Testing
7 40 (18.26%) OO
8 35 (15.98%) OOP
9 27 (12.33%) Mentoring
10 22 (10.05%) Software Engineering
11 17 (7.76%) Pair Programming
12 15 (6.85%) MVVM
12 15 (6.85%) User Stories
13 13 (5.94%) Kanban
14 12 (5.48%) iOS Development
14 12 (5.48%) Test Automation
14 12 (5.48%) E-Commerce
15 11 (5.02%) SOA
16 10 (4.57%) Automated Testing
16 10 (4.57%) Business Analysis
Programming Languages
1 112 (51.14%) JavaScript
2 105 (47.95%) C#
3 73 (33.33%) Java
4 48 (21.92%) SQL
5 42 (19.18%) PHP
5 42 (19.18%) Python
6 39 (17.81%) Ruby
7 37 (16.89%) Scala
8 35 (15.98%) C++
9 16 (7.31%) T-SQL
10 12 (5.48%) Objective-C
11 3 (1.37%) PowerShell
11 3 (1.37%) PHP5
12 1 (0.46%) TypeScript
12 1 (0.46%) VB
12 1 (0.46%) C
12 1 (0.46%) Perl
12 1 (0.46%) Embedded C++
12 1 (0.46%) Bash Shell
Qualifications
1 5 (2.28%) ISEB
1 5 (2.28%) Degree
2 3 (1.37%) ISTQB Foundation Certification
3 2 (0.91%) Security Cleared
4 1 (0.46%) SC Cleared
4 1 (0.46%) BC Cleared
4 1 (0.46%) ISTQB
Quality Assurance & Compliance
1 4 (1.83%) QA
System Software
1 2 (0.91%) Docker
Systems Management
1 4 (1.83%) Puppet
2 2 (0.91%) Vagrant
3 1 (0.46%) Opscode Chef
3 1 (0.46%) Capistrano
3 1 (0.46%) HP Quality Center
Vendors
1 14 (6.39%) Microsoft
2 7 (3.20%) Zend
3 5 (2.28%) Sybase
4 4 (1.83%) Xamarin
5 3 (1.37%) Oracle
6 2 (0.91%) Appcelerator
7 1 (0.46%) SAP
7 1 (0.46%) Red Hat
7 1 (0.46%) HP
7 1 (0.46%) Google
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Rate: £250 - £290 per day
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Rate: £280 - £300 per day + Negotiable
Posted: Yesterday
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