The table below looks at the statistics for TDD skills in IT contracts advertised for the Osterley 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 1 5 -
Rank change year-on-year
+4 -
Contract jobs citing TDD 4 1 0
As % of all contract IT jobs located in Osterley 100.00% 12.50% -
As % of the Processes & Methodologies category 100.00% 14.29% -
Number of daily rates quoted 4 1 0
Average daily rate
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of your Daily Rate
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£490 £465 -
Average daily rate % change year-on-year
+5.37% -
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
London

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

Processes & Methodologies Category
Osterley
Contract IT job ads with a match in the
Processes & Methodologies category
4 7 3
As % of all contract IT jobs located in Osterley 100.00% 87.50% 100.00%
Number of daily rates quoted 4 6 3
Average daily rate £490 £250 £345
Average daily rate % change year-on-year
+96.00% -27.53%
UK excluding London average daily rate £393 £375 £363
% change year-on-year
+4.66% +3.44%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
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 Osterley

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

TDD Jobs Demand Trend in Osterley

TDD
Daily Rate Trend in Osterley

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

TDD Daily Rate Trend in Osterley

TDD
Daily Rate Histogram in Osterley

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Osterley region over the 3 months to 17 April 2015.

TDD Daily Rate Histogram in Osterley

TDD
Top 30 Related IT Skills in Osterley

For the 6 months to 17 April 2015, IT contractor jobs across the Osterley 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 16 (84.21%) Agile Software Development
2 10 (52.63%) Pair Programming
3 9 (47.37%) Scrum
4 8 (42.11%) BDD
5 7 (36.84%) CSS3
5 7 (36.84%) HTML5
5 7 (36.84%) OO
5 7 (36.84%) HTML
5 7 (36.84%) CSS
6 6 (31.58%) JavaScript
6 6 (31.58%) Software Engineering
6 6 (31.58%) QA
6 6 (31.58%) AngularJS
6 6 (31.58%) Mocha
6 6 (31.58%) Jasmine
7 5 (26.32%) Video on Demand
7 5 (26.32%) RESTful
7 5 (26.32%) Java
8 4 (21.05%) OOD
8 4 (21.05%) Release Management
8 4 (21.05%) Cucumber
8 4 (21.05%) MongoDB
8 4 (21.05%) User Experience
9 3 (15.79%) Node.js
9 3 (15.79%) Selenium
9 3 (15.79%) WPF
9 3 (15.79%) JSON
9 3 (15.79%) MVC
9 3 (15.79%) SOA
9 3 (15.79%) XML

TDD
Top Related IT Skills in Osterley by Category

For the 6 months to 17 April 2015, IT contractor jobs across the Osterley 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 3 (15.79%) Node.js
Applications
1 2 (10.53%) MS Excel
1 2 (10.53%) Mingle
Cloud Services
1 2 (10.53%) Trello
2 1 (5.26%) Amazon AWS
Communications & Networking
1 1 (5.26%) Internet
1 1 (5.26%) Firewall
1 1 (5.26%) UPnP
Database & Business Intelligence
1 4 (21.05%) MongoDB
2 2 (10.53%) NoSQL
3 1 (5.26%) Oracle Database
3 1 (5.26%) Relational Database
3 1 (5.26%) SQL Server
3 1 (5.26%) RDBMS
Development Applications
1 6 (31.58%) Mocha
1 6 (31.58%) Jasmine
2 4 (21.05%) Cucumber
3 3 (15.79%) Selenium
4 2 (10.53%) Xcode
4 2 (10.53%) Git (software)
4 2 (10.53%) WebDriver
4 2 (10.53%) JIRA
5 1 (5.26%) Spock
5 1 (5.26%) Maven
5 1 (5.26%) Visual Studio Team System
General
1 1 (5.26%) Multimedia
Job Titles
1 14 (73.68%) Developer
2 6 (31.58%) Web Developer
3 3 (15.79%) Front-End Developer
3 3 (15.79%) Front-End Web Developer
3 3 (15.79%) Full Stack Developer
4 2 (10.53%) AWS Developer
4 2 (10.53%) iOS Developer
4 2 (10.53%) Tester
4 2 (10.53%) QA Tester
4 2 (10.53%) Java Developer
5 1 (5.26%) C# Developer
5 1 (5.26%) Senior Software Engineer
5 1 (5.26%) Senior Software Developer
5 1 (5.26%) Systems Engineer
5 1 (5.26%) Senior Developer
5 1 (5.26%) Senior Systems Engineer
5 1 (5.26%) Software Developer
5 1 (5.26%) Software Engineer
5 1 (5.26%) DevOps Engineer
5 1 (5.26%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 7 (36.84%) HTML
1 7 (36.84%) CSS
1 7 (36.84%) HTML5
1 7 (36.84%) CSS3
2 6 (31.58%) AngularJS
3 5 (26.32%) RESTful
4 3 (15.79%) XML
4 3 (15.79%) JSON
4 3 (15.79%) WPF
5 2 (10.53%) Silverlight
5 2 (10.53%) Spring
5 2 (10.53%) .NET
5 2 (10.53%) Core Animation
5 2 (10.53%) Cocoa Touch
5 2 (10.53%) REST
6 1 (5.26%) Apache Camel
6 1 (5.26%) Entity Framework
6 1 (5.26%) SOAP
6 1 (5.26%) Web Services
6 1 (5.26%) JMS
Miscellaneous
1 5 (26.32%) Video on Demand
2 4 (21.05%) User Experience
3 2 (10.53%) iPad
3 2 (10.53%) STB
3 2 (10.53%) IPTV
3 2 (10.53%) Animation
3 2 (10.53%) iPhone
3 2 (10.53%) Open Source
4 1 (5.26%) Over-the-Top Content
Operating Systems
1 2 (10.53%) Linux
1 2 (10.53%) Apple iOS
2 1 (5.26%) Windows Server 2012
2 1 (5.26%) Windows Server 2008
2 1 (5.26%) Windows
Processes & Methodologies
1 16 (84.21%) Agile Software Development
2 10 (52.63%) Pair Programming
3 9 (47.37%) Scrum
4 8 (42.11%) BDD
5 7 (36.84%) OO
6 6 (31.58%) Software Engineering
7 4 (21.05%) Release Management
7 4 (21.05%) OOD
8 3 (15.79%) SOA
8 3 (15.79%) MVC
9 2 (10.53%) OOP
9 2 (10.53%) Test Scripting
9 2 (10.53%) Kanban
9 2 (10.53%) Test Automation
9 2 (10.53%) Product Management
9 2 (10.53%) MVVM
9 2 (10.53%) Continuous Improvement
9 2 (10.53%) User Stories
9 2 (10.53%) iOS Development
9 2 (10.53%) Test Planning
Programming Languages
1 6 (31.58%) JavaScript
2 5 (26.32%) Java
3 3 (15.79%) SQL
4 2 (10.53%) XAML
4 2 (10.53%) Objective-C
5 1 (5.26%) Groovy
5 1 (5.26%) Scala
5 1 (5.26%) Bash Shell
5 1 (5.26%) C#
Qualifications
1 1 (5.26%) Degree
Quality Assurance & Compliance
1 6 (31.58%) QA
Vendors
1 2 (10.53%) Microsoft
1 2 (10.53%) Apple
2 1 (5.26%) Splunk
2 1 (5.26%) Oracle
2 1 (5.26%) Cisco