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 19 September 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
19 Sep 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 47 39 58
Rank change year-on-year
-8 +19
Contract jobs citing TDD 107 108 97
As % of all contract IT jobs located in the North West 3.36% 3.65% 2.89%
As % of the Processes & Methodologies category 4.62% 5.07% 4.42%
Number of daily rates quoted 65 69 75
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£350 £325 £325
Average daily rate % change year-on-year
+7.69% -
90% offered a daily rate of more than £311 £275 £260
10% offered a daily rate of more than £450 £375 £375
UK excluding London average daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 6 0 1
Average hourly rate £32.50 - £37.50
UK excluding London average hourly rate £35.00 £32.50 £36.00
% change year-on-year
+7.69% -9.72%
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
2315 2130 2193
As % of all contract IT jobs located in the North West 72.80% 72.01% 65.44%
Number of daily rates quoted 1330 1081 1163
Average daily rate £375 £330 £340
Average daily rate % change year-on-year
+13.63% -2.94%
90% offered a daily rate of more than £265 £233 £240
10% offered a daily rate of more than £525 £475 £463
UK excluding London average daily rate £375 £370 £363
% change year-on-year
+1.35% +2.06%
Number of hourly rates quoted 109 115 106
Average hourly rate £30.00 £22.54 £26.08
Average hourly rate % change year-on-year
+33.09% -13.55%
90% offered a hourly rate of more than £12.52 £12.30 £12.50
10% offered a hourly rate of more than £78.00 £50.00 £49.80
UK excluding London average hourly rate £26.25 £30.00 £30.00
% change year-on-year
-12.50% -

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 19 September 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 19 September 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 74 £350 +7.69% 51
Cheshire -13 24 £335 +11.66% 31
Lancashire - 7 £424 - 2
Merseyside -4 1 - - 5
TDD
England

TDD
Top 30 Related IT Skills in the North West

For the 6 months to 19 September 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.

1 179 (78.51%) Agile Software Development
2 110 (48.25%) C#
3 103 (45.18%) JavaScript
4 97 (42.54%) HTML
5 90 (39.47%) CSS
6 83 (36.40%) Java
6 83 (36.40%) Scrum
7 77 (33.77%) .NET
8 70 (30.70%) BDD
9 65 (28.51%) MVC
10 56 (24.56%) Web Services
11 53 (23.25%) Unit Testing
12 50 (21.93%) SQL
13 46 (20.18%) jQuery
13 46 (20.18%) HTML5
14 43 (18.86%) Scala
15 41 (17.98%) Ajax
16 40 (17.54%) Linux
17 38 (16.67%) OOP
17 38 (16.67%) OO
18 37 (16.23%) Python
18 37 (16.23%) PHP
19 36 (15.79%) Continuous Integration
20 34 (14.91%) C++
21 33 (14.47%) SQL Server
22 30 (13.16%) XML
22 30 (13.16%) NoSQL
23 29 (12.72%) CSS3
24 28 (12.28%) JSON
25 27 (11.84%) Ruby

TDD
Top Related IT Skills in the North West by Category

For the 6 months to 19 September 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 (3.51%) Tomcat
2 7 (3.07%) WebSphere
3 6 (2.63%) WebLogic
4 5 (2.19%) Adobe CQ
4 5 (2.19%) Escenic
4 5 (2.19%) CMS
4 5 (2.19%) MQSeries
5 3 (1.32%) Elasticsearch
5 3 (1.32%) Node.js
5 3 (1.32%) SharePoint
5 3 (1.32%) IIS
5 3 (1.32%) Apache Solr
6 2 (0.88%) Apache
7 1 (0.44%) Cloud Foundry
7 1 (0.44%) Mule
7 1 (0.44%) Umbraco
7 1 (0.44%) GlassFish
7 1 (0.44%) nginx
Applications
1 10 (4.39%) MS Visio
2 2 (0.88%) MS Excel
3 1 (0.44%) Mingle
3 1 (0.44%) InfoPath
Cloud Services
1 1 (0.44%) IaaS
1 1 (0.44%) PaaS
1 1 (0.44%) Microsoft Azure
Communications & Networking
1 5 (2.19%) Internet
2 4 (1.75%) HTTP
Database & Business Intelligence
1 33 (14.47%) SQL Server
2 30 (13.16%) NoSQL
3 17 (7.46%) MySQL
4 12 (5.26%) SQL Server 2008
5 10 (4.39%) Relational Database
6 7 (3.07%) Big Data
6 7 (3.07%) Crystal Reports
7 5 (2.19%) SQL Server 2012
7 5 (2.19%) Couchbase
7 5 (2.19%) Hadoop
7 5 (2.19%) CouchDB
8 3 (1.32%) Redis
8 3 (1.32%) PostgreSQL
8 3 (1.32%) SQL Server 2005
9 2 (0.88%) InterSystems Cache
9 2 (0.88%) RDBMS
9 2 (0.88%) SQL Server 2000
10 1 (0.44%) Oracle Database
10 1 (0.44%) SQL Server Reporting Services
10 1 (0.44%) SQL Server Integration Services
Development Applications
1 21 (9.21%) Git (software)
2 18 (7.89%) Team Foundation Server
3 12 (5.26%) NUnit
4 10 (4.39%) JIRA
5 9 (3.95%) Visual Studio
6 8 (3.51%) Eclipse
7 7 (3.07%) Mercurial
7 7 (3.07%) Selenium
8 6 (2.63%) Cucumber
9 5 (2.19%) Calabash
10 4 (1.75%) TeamCity
10 4 (1.75%) TestComplete
10 4 (1.75%) Subversion
10 4 (1.75%) QuickTest Pro
10 4 (1.75%) Jenkins
11 3 (1.32%) Gradle
11 3 (1.32%) Hudson
11 3 (1.32%) Ant
11 3 (1.32%) JUnit
11 3 (1.32%) Maven
General
1 20 (8.77%) Finance
2 7 (3.07%) Games
3 3 (1.32%) Retail
4 2 (0.88%) Banking
5 1 (0.44%) Legal
5 1 (0.44%) Manufacturing
5 1 (0.44%) Marketing
Job Titles
1 176 (77.19%) Developer
2 45 (19.74%) .NET Developer
3 36 (15.79%) Java Developer
4 27 (11.84%) Analyst
5 25 (10.96%) C# Developer
6 21 (9.21%) Senior Developer
7 17 (7.46%) Business Analyst
8 15 (6.58%) JavaScript Developer
9 14 (6.14%) Front-End Developer
10 13 (5.70%) Agile Business Analyst
11 12 (5.26%) Web Developer
11 12 (5.26%) C# .NET Developer
12 10 (4.39%) Java/J2EE Developer
12 10 (4.39%) Software Engineer
12 10 (4.39%) WPF Developer
12 10 (4.39%) iOS Developer
13 8 (3.51%) Python Developer
13 8 (3.51%) J2EE Developer
13 8 (3.51%) Senior Java Developer
14 7 (3.07%) Consultant
Libraries, Frameworks & Software Standards
1 97 (42.54%) HTML
2 90 (39.47%) CSS
3 77 (33.77%) .NET
4 56 (24.56%) Web Services
5 46 (20.18%) jQuery
5 46 (20.18%) HTML5
6 41 (17.98%) Ajax
7 30 (13.16%) XML
8 29 (12.72%) CSS3
9 28 (12.28%) JSON
10 26 (11.40%) J2EE
10 26 (11.40%) XHTML
10 26 (11.40%) RESTful
11 25 (10.96%) WCF
11 25 (10.96%) WPF
12 23 (10.09%) ASP.NET
13 22 (9.65%) Spring
14 20 (8.77%) Hibernate
14 20 (8.77%) ASP.NET MVC
15 15 (6.58%) Backbone.js
Miscellaneous
1 27 (11.84%) Open Source
2 16 (7.02%) User Experience
3 9 (3.95%) N-Tier
3 9 (3.95%) Animation
4 7 (3.07%) Inversion of Control
5 6 (2.63%) Digital Media
6 5 (2.19%) Mobile App
6 5 (2.19%) IPTV
7 4 (1.75%) iPhone
7 4 (1.75%) Computer Science
7 4 (1.75%) iPad
7 4 (1.75%) Analytical Skills
8 3 (1.32%) Enterprise Software
8 3 (1.32%) New Media
9 2 (0.88%) RIA
9 2 (0.88%) GIS
10 1 (0.44%) Linked Data
10 1 (0.44%) Tandem
10 1 (0.44%) W3C
10 1 (0.44%) Smartphone
Operating Systems
1 40 (17.54%) Linux
2 14 (6.14%) Apple iOS
3 10 (4.39%) Android
4 8 (3.51%) UNIX
5 5 (2.19%) Windows
Processes & Methodologies
1 179 (78.51%) Agile Software Development
2 83 (36.40%) Scrum
3 70 (30.70%) BDD
4 65 (28.51%) MVC
5 53 (23.25%) Unit Testing
6 38 (16.67%) OOP
6 38 (16.67%) OO
7 36 (15.79%) Continuous Integration
8 26 (11.40%) Mentoring
9 21 (9.21%) Software Engineering
10 16 (7.02%) UML
11 15 (6.58%) User Stories
11 15 (6.58%) Pair Programming
11 15 (6.58%) Business Analysis
12 14 (6.14%) MVVM
13 13 (5.70%) E-Commerce
14 11 (4.82%) iOS Development
14 11 (4.82%) OOA/OOD
14 11 (4.82%) RAD
14 11 (4.82%) Automated Testing
Programming Languages
1 110 (48.25%) C#
2 103 (45.18%) JavaScript
3 83 (36.40%) Java
4 50 (21.93%) SQL
5 43 (18.86%) Scala
6 37 (16.23%) Python
6 37 (16.23%) PHP
7 34 (14.91%) C++
8 27 (11.84%) Ruby
9 13 (5.70%) T-SQL
10 11 (4.82%) Objective-C
11 9 (3.95%) VB.NET
12 3 (1.32%) PHP5
13 2 (0.88%) TypeScript
14 1 (0.44%) VB
14 1 (0.44%) PL/SQL
14 1 (0.44%) Perl
14 1 (0.44%) PowerShell
14 1 (0.44%) SPARQL
14 1 (0.44%) Bash Shell
Qualifications
1 5 (2.19%) ISEB
2 4 (1.75%) ISTQB Foundation Certification
3 2 (0.88%) Security Cleared
4 1 (0.44%) SC Cleared
4 1 (0.44%) BC Cleared
Quality Assurance & Compliance
1 10 (4.39%) QA
Systems Management
1 3 (1.32%) Puppet
2 2 (0.88%) Opscode Chef
3 1 (0.44%) Capistrano
Vendors
1 13 (5.70%) Sybase
2 9 (3.95%) Oracle
3 8 (3.51%) Microsoft
4 7 (3.07%) JBoss
5 6 (2.63%) Zend
6 3 (1.32%) Xamarin
7 2 (0.88%) hybris
7 2 (0.88%) Appcelerator
8 1 (0.44%) Mercator
8 1 (0.44%) Red Hat
8 1 (0.44%) Salesforce.com
8 1 (0.44%) Telerik
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