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 20 February 2017 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
20 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
London / Osterley
Rank 2 4 1
Rank change year-on-year
+2 -3
Contract jobs citing TDD 2 3 7
As % of all contract IT jobs located in Osterley 66.67% 30.00% 43.75%
As % of the Processes & Methodologies category 66.67% 30.00% 46.67%
Number of daily rates quoted 0 3 6
Median daily rate - £475 £500
Median daily rate % change year-on-year
- -5.00%
UK excluding London median daily rate £413 £400 £375
% change year-on-year
+3.12% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £40.00 £36.00
% change year-on-year
-7.50% +11.11%

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
3 10 15
As % of all contract IT jobs located in Osterley 100.00% 100.00% 93.75%
Number of daily rates quoted 1 9 14
Median daily rate £450 £475 £420
Median daily rate % change year-on-year
-5.26% +13.09%
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+2.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £35.88 £40.00 £27.50
% change year-on-year
-10.31% +45.45%

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 16 Related IT Skills in Osterley

For the 6 months to 20 February 2017, 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 2 (100.00%) Linux
1 2 (100.00%) Python
1 2 (100.00%) Shell Script
1 2 (100.00%) Regression Testing
1 2 (100.00%) Scrum
1 2 (100.00%) Agile Software Development
1 2 (100.00%) Pair Programming
1 2 (100.00%) CruiseControl
1 2 (100.00%) JSON
1 2 (100.00%) Continuous Integration
1 2 (100.00%) TeamCity
1 2 (100.00%) Test Automation
1 2 (100.00%) Functional Testing
1 2 (100.00%) Jenkins
1 2 (100.00%) Kalman Filter
1 2 (100.00%) Exploratory Testing

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:

Development Applications
1 2 (100.00%) CruiseControl
1 2 (100.00%) Jenkins
1 2 (100.00%) TeamCity
Job Titles
1 2 (100.00%) Automation Tester
1 2 (100.00%) Tester
Libraries, Frameworks & Software Standards
1 2 (100.00%) JSON
Operating Systems
1 2 (100.00%) Linux
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) Continuous Integration
1 2 (100.00%) Exploratory Testing
1 2 (100.00%) Functional Testing
1 2 (100.00%) Kalman Filter
1 2 (100.00%) Pair Programming
1 2 (100.00%) Regression Testing
1 2 (100.00%) Scrum
1 2 (100.00%) Test Automation
Programming Languages
1 2 (100.00%) Python
1 2 (100.00%) Shell Script