The table below looks at the statistics for TDD skills in IT contracts advertised for the Osterley region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 4 May 2016 with a comparison to the same period over 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.

3 months to
4 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 7 1 5
Rank change year-on-year
-6 +4
Contract jobs citing TDD 2 4 1
As % of all contract IT jobs located in Osterley 14.29% 100.00% 11.11%
As % of the Processes & Methodologies category 14.29% 100.00% 12.50%
Number of daily rates quoted 2 4 1
Median daily rate £458 £490 £465
Median daily rate % change year-on-year
-6.63% +5.37%
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.75 £42.50 £43.75
% change year-on-year
+0.58% -2.85%
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
14 4 8
As % of all contract IT jobs located in Osterley 100.00% 100.00% 88.89%
Number of daily rates quoted 14 4 6
Median daily rate £400 £490 £250
Median daily rate % change year-on-year
-18.36% +96.00%
90% offered a daily rate of more than £113 £320 £163
10% offered a daily rate of more than £515 £530 £465
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.00 £30.50 £31.00
% change year-on-year
+18.03% -1.61%

TDD
Jobs Demand Trend in Osterley

The demand trend of contract jobs across the Osterley region citing TDD as a proportion of all IT contracts with a match in 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
Top 30 Related IT Skills in Osterley

For the 6 months to 4 May 2016, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Osterley region with a requirement for TDD.

1 4 (100.00%) Agile Software Development
1 4 (100.00%) Continuous Integration
1 4 (100.00%) REST
2 3 (75.00%) High Availability
2 3 (75.00%) BDD
2 3 (75.00%) Pair Programming
2 3 (75.00%) OO
2 3 (75.00%) Java
3 2 (50.00%) SOAP
3 2 (50.00%) XML
3 2 (50.00%) CRM
3 2 (50.00%) Subversion
3 2 (50.00%) OOP
3 2 (50.00%) Salesforce.com
3 2 (50.00%) Scrum
3 2 (50.00%) Marketing
3 2 (50.00%) Degree
3 2 (50.00%) JSON
3 2 (50.00%) DevOps
3 2 (50.00%) Over-the-Top Content
3 2 (50.00%) SOQL
3 2 (50.00%) Git (software)
3 2 (50.00%) Continuous Delivery
3 2 (50.00%) API Development
3 2 (50.00%) Visualforce
3 2 (50.00%) Apex Code
3 2 (50.00%) Email Marketing
4 1 (25.00%) Video on Demand
4 1 (25.00%) HTML5
4 1 (25.00%) MVVM

TDD
Top Related IT Skills in Osterley by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (25.00%) Oracle Workflow
Communications & Networking
1 1 (25.00%) HTTP
Database & Business Intelligence
1 1 (25.00%) Apache Cassandra
1 1 (25.00%) MongoDB
1 1 (25.00%) NoSQL
Development Applications
1 2 (50.00%) Git (software)
1 2 (50.00%) Subversion
2 1 (25.00%) Cucumber
2 1 (25.00%) Gradle
2 1 (25.00%) Hudson
2 1 (25.00%) Jenkins
2 1 (25.00%) Maven
General
1 2 (50.00%) Marketing
2 1 (25.00%) Games
Job Titles
1 4 (100.00%) Developer
2 2 (50.00%) Salesforce.com Developer
2 2 (50.00%) Senior Developer
2 2 (50.00%) Senior Salesforce.com Developer
3 1 (25.00%) C# Developer
3 1 (25.00%) CRM Developer
3 1 (25.00%) Scala Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) REST
2 2 (50.00%) JSON
2 2 (50.00%) SOAP
2 2 (50.00%) Visualforce
2 2 (50.00%) XML
3 1 (25.00%) .NET
3 1 (25.00%) .NET Framework
3 1 (25.00%) Akka
3 1 (25.00%) HTML
3 1 (25.00%) HTML5
3 1 (25.00%) JAX-RS
3 1 (25.00%) KnockoutJS
3 1 (25.00%) Play Framework
3 1 (25.00%) RAML
3 1 (25.00%) Spring
3 1 (25.00%) Twitter Bootstrap
3 1 (25.00%) WCF
3 1 (25.00%) WF
3 1 (25.00%) WinForms
3 1 (25.00%) WPF
Miscellaneous
1 2 (50.00%) Over-the-Top Content
2 1 (25.00%) Analytical Skills
2 1 (25.00%) Video on Demand
Operating Systems
1 1 (25.00%) Linux
Processes & Methodologies
1 4 (100.00%) Agile Software Development
1 4 (100.00%) Continuous Integration
2 3 (75.00%) BDD
2 3 (75.00%) High Availability
2 3 (75.00%) OO
2 3 (75.00%) Pair Programming
3 2 (50.00%) API Development
3 2 (50.00%) Continuous Delivery
3 2 (50.00%) CRM
3 2 (50.00%) DevOps
3 2 (50.00%) Email Marketing
3 2 (50.00%) OOP
3 2 (50.00%) Scrum
4 1 (25.00%) Multithreading
4 1 (25.00%) SDLC
4 1 (25.00%) SOA
4 1 (25.00%) Software Engineering
4 1 (25.00%) SOLID
4 1 (25.00%) Workflow
4 1 (25.00%) YAGNI
Programming Languages
1 3 (75.00%) Java
2 2 (50.00%) Apex Code
2 2 (50.00%) SOQL
3 1 (25.00%) C#
3 1 (25.00%) JavaScript
3 1 (25.00%) PL/SQL
3 1 (25.00%) Scala
3 1 (25.00%) SQL
Qualifications
1 2 (50.00%) Degree
System Software
1 1 (25.00%) Docker
Vendors
1 2 (50.00%) Salesforce.com
2 1 (25.00%) Oracle