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 9 February 2016 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
9 Feb 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 5 1 5
Rank change year-on-year
-4 +4
Contract jobs citing TDD 2 11 2
As % of all contract IT jobs located in Osterley 18.18% 55.00% 16.67%
As % of the Processes & Methodologies category 18.18% 57.89% 16.67%
Number of daily rates quoted 2 10 2
Average daily rate £488 £500 £435
Average daily rate % change year-on-year
-2.50% +14.94%
90% offered a daily rate of more than £478 £215 £423
10% offered a daily rate of more than £498 £500 £447
UK excluding London average daily rate £388 £375 £375
% change year-on-year
+3.33% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £40.00 £36.00 £36.50
% change year-on-year
+11.11% -1.36%
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
11 19 12
As % of all contract IT jobs located in Osterley 100.00% 95.00% 100.00%
Number of daily rates quoted 10 18 12
Average daily rate £470 £425 £405
Average daily rate % change year-on-year
+10.58% +4.93%
90% offered a daily rate of more than £420 £215 £163
10% offered a daily rate of more than £500 £500 £450
UK excluding London average daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £40.00 £27.50 £27.50
% change year-on-year
+45.45% -

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
Top 30 Related IT Skills in Osterley

For the 6 months to 9 February 2016, 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 3 (100.00%) Agile Software Development
1 3 (100.00%) Pair Programming
1 3 (100.00%) High Availability
1 3 (100.00%) BDD
1 3 (100.00%) Continuous Integration
2 2 (66.67%) REST
2 2 (66.67%) Continuous Delivery
2 2 (66.67%) Git (software)
2 2 (66.67%) OO
2 2 (66.67%) Java
3 1 (33.33%) JavaScript
3 1 (33.33%) CSS
3 1 (33.33%) SOAP
3 1 (33.33%) Web Services
3 1 (33.33%) XML
3 1 (33.33%) Linux
3 1 (33.33%) OOP
3 1 (33.33%) CRM
3 1 (33.33%) HTTP
3 1 (33.33%) Salesforce.com
3 1 (33.33%) Games
3 1 (33.33%) Scrum
3 1 (33.33%) RESTful
3 1 (33.33%) Scala
3 1 (33.33%) Visualforce
3 1 (33.33%) Apex Code
3 1 (33.33%) HTML5
3 1 (33.33%) Cucumber
3 1 (33.33%) Subversion
3 1 (33.33%) Spring

TDD
Top Related IT Skills in Osterley by Category

For the 6 months to 9 February 2016, 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 1 (33.33%) Node.js
Communications & Networking
1 1 (33.33%) HTTP
Database & Business Intelligence
1 1 (33.33%) Apache Cassandra
1 1 (33.33%) MongoDB
1 1 (33.33%) NoSQL
Development Applications
1 2 (66.67%) Git (software)
2 1 (33.33%) Cucumber
2 1 (33.33%) Gradle
2 1 (33.33%) Hudson
2 1 (33.33%) Jenkins
2 1 (33.33%) Maven
2 1 (33.33%) Subversion
General
1 1 (33.33%) Games
1 1 (33.33%) Marketing
Job Titles
1 3 (100.00%) Developer
2 1 (33.33%) JavaScript Developer
2 1 (33.33%) Salesforce.com Developer
2 1 (33.33%) Scala Developer
2 1 (33.33%) Senior Developer
2 1 (33.33%) Senior Salesforce.com Developer
Libraries, Frameworks & Software Standards
1 2 (66.67%) REST
2 1 (33.33%) Akka
2 1 (33.33%) AngularJS
2 1 (33.33%) CSS
2 1 (33.33%) CSS3
2 1 (33.33%) HTML
2 1 (33.33%) HTML5
2 1 (33.33%) JAX-RS
2 1 (33.33%) JSON
2 1 (33.33%) Play Framework
2 1 (33.33%) RESTful
2 1 (33.33%) SOAP
2 1 (33.33%) spray
2 1 (33.33%) Spring
2 1 (33.33%) Visualforce
2 1 (33.33%) Web Services
2 1 (33.33%) XML
Miscellaneous
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Over-the-Top Content
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) BDD
1 3 (100.00%) Continuous Integration
1 3 (100.00%) High Availability
1 3 (100.00%) Pair Programming
2 2 (66.67%) Continuous Delivery
2 2 (66.67%) OO
3 1 (33.33%) API Development
3 1 (33.33%) Continuous Improvement
3 1 (33.33%) CRM
3 1 (33.33%) DevOps
3 1 (33.33%) Email Marketing
3 1 (33.33%) Microservices
3 1 (33.33%) Multithreading
3 1 (33.33%) OOP
3 1 (33.33%) Scrum
3 1 (33.33%) Software Engineering
3 1 (33.33%) User Stories
Programming Languages
1 2 (66.67%) Java
2 1 (33.33%) Apex Code
2 1 (33.33%) ES6
2 1 (33.33%) JavaScript
2 1 (33.33%) Scala
2 1 (33.33%) SOQL
Qualifications
1 1 (33.33%) Degree
System Software
1 1 (33.33%) Docker
Vendors
1 1 (33.33%) Salesforce.com