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 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
London / Hammersmith
Rank 9 9 6
Rank change year-on-year 0 -3  
Contract jobs citing TDD 1 2 5
As % of all contract IT jobs advertised in Hammersmith 2.78% 4.65% 17.24%
As % of the Processes & Methodologies category 2.86% 5.13% 18.52%
Number of daily rates quoted 1 2 5
Median daily rate £550 £318 £470
Median daily rate % change year-on-year +73.22% -32.44%  
UK excluding London median daily rate £402 £400 £375
% change year-on-year +0.56% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

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 35 39 27
As % of all contract IT job vacancies advertised in Hammersmith 97.22% 90.70% 93.10%
Number of daily rates quoted 24 25 21
Median daily rate £518 £435 £470
Median daily rate % change year-on-year +18.96% -7.44%  
90% offered a daily rate of more than £400 £310 £375
10% offered a daily rate of more than £550 £575 £625
UK excluding London median daily rate £410 £400 £398
% change year-on-year +2.50% +0.62%  
Number of hourly rates quoted 5 2 1
Median hourly rate £52.50 £43.00 £170.00
Median hourly rate % change year-on-year +22.09% -74.70%  
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

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

TDD
Top 30 Related IT Skills in Hammersmith

For the 6 months to 26 March 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 5 (71.43%) Agile Software Development
2 4 (57.14%) Scrum
2 4 (57.14%) Java
2 4 (57.14%) BDD
3 2 (28.57%) GitHub
3 2 (28.57%) Elasticsearch
3 2 (28.57%) Go
3 2 (28.57%) Akka
3 2 (28.57%) Play Framework
3 2 (28.57%) Ansible
3 2 (28.57%) Sensu
3 2 (28.57%) logstash
3 2 (28.57%) DevOps
3 2 (28.57%) SDLC
3 2 (28.57%) Elastic Stack
3 2 (28.57%) JavaScript
3 2 (28.57%) Windows
3 2 (28.57%) Linux
3 2 (28.57%) Data Warehouse
3 2 (28.57%) SOA
3 2 (28.57%) ETL
3 2 (28.57%) BusinessObjects
3 2 (28.57%) Nagios
3 2 (28.57%) SAP
3 2 (28.57%) Ruby
3 2 (28.57%) JIRA
3 2 (28.57%) SC Cleared
3 2 (28.57%) Security Cleared
3 2 (28.57%) PowerShell
3 2 (28.57%) Red Hat Enterprise Linux

TDD
Top Related 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:

Application Platforms
1 2 (28.57%) Elasticsearch
Cloud Services
1 2 (28.57%) GitHub
Database & Business Intelligence
1 2 (28.57%) BusinessObjects
1 2 (28.57%) Data Warehouse
1 2 (28.57%) Pentaho
Development Applications
1 2 (28.57%) Git (software)
1 2 (28.57%) JIRA
2 1 (14.29%) Mockito
2 1 (14.29%) Moq
2 1 (14.29%) WebDriver
General
1 1 (14.29%) Finance
Job Titles
1 5 (71.43%) Developer
2 2 (28.57%) DevOps Engineer
2 2 (28.57%) DevOps Systems Engineer
2 2 (28.57%) Scala Developer
2 2 (28.57%) SOA Developer
2 2 (28.57%) Software Developer
2 2 (28.57%) Systems Engineer
3 1 (14.29%) Applications Developer
3 1 (14.29%) Developer in Test
3 1 (14.29%) ETL Developer
Libraries, Frameworks & Software Standards
1 2 (28.57%) Akka
1 2 (28.57%) Elastic Stack
1 2 (28.57%) Play Framework
1 2 (28.57%) Sensu
2 1 (14.29%) .NET
2 1 (14.29%) HTML
2 1 (14.29%) Web Services
Operating Systems
1 2 (28.57%) Linux
1 2 (28.57%) Red Hat Enterprise Linux
1 2 (28.57%) Windows
Processes & Methodologies
1 5 (71.43%) Agile Software Development
2 4 (57.14%) BDD
2 4 (57.14%) Scrum
3 2 (28.57%) DevOps
3 2 (28.57%) ETL
3 2 (28.57%) SDLC
3 2 (28.57%) SOA
4 1 (14.29%) Continuous Integration
4 1 (14.29%) Refactoring
4 1 (14.29%) Test Automation
Programming Languages
1 4 (57.14%) Java
2 2 (28.57%) Go
2 2 (28.57%) JavaScript
2 2 (28.57%) PowerShell
2 2 (28.57%) Ruby
2 2 (28.57%) Scala
3 1 (14.29%) C#
Qualifications
1 2 (28.57%) SC Cleared
1 2 (28.57%) Security Cleared
Quality Assurance & Compliance
1 1 (14.29%) SDET
Systems Management
1 2 (28.57%) Ansible
1 2 (28.57%) logstash
1 2 (28.57%) Nagios
Vendors
1 2 (28.57%) SAP