The following table provides summary statistics for contract job vacancies advertised in Hammersmith with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 23 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
London / Hammersmith
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 13 5 6
Rank change year-on-year -8 +1  
Contract jobs citing TDD 1 3 7
As % of all contract IT jobs advertised in Hammersmith 2.27% 9.68% 18.42%
As % of the Processes & Methodologies category 2.70% 13.04% 20.00%
Number of daily rates quoted 1 1 4
Median daily rate £425 £425 £436
Median daily rate % change year-on-year - -2.57%  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hammersmith with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Hammersmith
Contract job vacancies with a requirement for process and methodology skills 37 23 35
As % of all contract IT job vacancies advertised in Hammersmith 84.09% 74.19% 92.11%
Number of daily rates quoted 30 16 25
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £325 £300 £330
10% offered a daily rate of more than £615 £525 £614
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Hammersmith

The job posting trend of jobs advertised in Hammersmith citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Hammersmith

TDD
Contractor Daily Rate Trend in Hammersmith

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Hammersmith.

Contractor daily rate trend for TDD in Hammersmith

For the 6 months to 23 June 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 Hammersmith region with a requirement for TDD.

1 2 (100.00%) JavaScript
1 2 (100.00%) Agile Software Development
1 2 (100.00%) BDD
2 1 (50.00%) NoSQL
2 1 (50.00%) RavenDB
2 1 (50.00%) SpecFlow
2 1 (50.00%) Web Application Development
2 1 (50.00%) AngularJS
2 1 (50.00%) Akka
2 1 (50.00%) Play Framework
2 1 (50.00%) Octopus Deploy
2 1 (50.00%) React
2 1 (50.00%) SOLID
2 1 (50.00%) Aurelia
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) Pair Programming
2 1 (50.00%) Software Engineering
2 1 (50.00%) QA
2 1 (50.00%) Continuous Integration
2 1 (50.00%) TeamCity
2 1 (50.00%) Git (software)
2 1 (50.00%) Scala
2 1 (50.00%) Finance
2 1 (50.00%) Scrum
2 1 (50.00%) .NET
2 1 (50.00%) OO
2 1 (50.00%) Microsoft

TDD
Co-occurring IT Skills in Hammersmith 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:

Database & Business Intelligence
1 1 (50.00%) NoSQL
1 1 (50.00%) RavenDB
Development Applications
1 1 (50.00%) Git (software)
1 1 (50.00%) Octopus Deploy
1 1 (50.00%) SpecFlow
1 1 (50.00%) TeamCity
General
1 1 (50.00%) Finance
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) .NET Developer
2 1 (50.00%) Agile .NET Developer
2 1 (50.00%) Agile Developer
2 1 (50.00%) Angular Developer
2 1 (50.00%) Scala Developer
Libraries, Frameworks & Software Standards
1 1 (50.00%) .NET
1 1 (50.00%) Akka
1 1 (50.00%) AngularJS
1 1 (50.00%) Aurelia
1 1 (50.00%) Play Framework
1 1 (50.00%) React
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) BDD
2 1 (50.00%) Continuous Integration
2 1 (50.00%) OO
2 1 (50.00%) Pair Programming
2 1 (50.00%) Scrum
2 1 (50.00%) Software Engineering
2 1 (50.00%) SOLID
2 1 (50.00%) Web Application Development
Programming Languages
1 2 (100.00%) JavaScript
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) Scala
Quality Assurance & Compliance
1 1 (50.00%) QA
Vendors
1 1 (50.00%) Microsoft