The following table provides summary statistics for contract job vacancies advertised in the Midlands 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 25 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
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
England / Midlands
Rank 19 30 22
Rank change year-on-year +11 -8  
Contract jobs citing TDD 3 1 4
As % of all contract IT jobs advertised in the Midlands 2.59% 0.48% 2.63%
As % of the Processes & Methodologies category 3.03% 0.61% 3.36%
Number of daily rates quoted 1 0 2
Median daily rate £350 - £470
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +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 the Midlands with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Midlands
Contract job vacancies with a requirement for process and methodology skills 99 164 119
As % of all contract IT job vacancies advertised in the Midlands 85.34% 78.47% 78.29%
Number of daily rates quoted 50 80 49
Median daily rate £450 £450 £420
Median daily rate % change year-on-year - +7.14%  
90% offered a daily rate of more than £300 £304 £250
10% offered a daily rate of more than £550 £650 £550
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 1 2 1
Median hourly rate £20.00 £17.50 £20.00
Median hourly rate % change year-on-year +14.28% -12.50%  
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 the Midlands

The job posting trend of jobs advertised in the Midlands 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 the Midlands

TDD
Contractor Daily Rate Trend in the Midlands

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

Contractor daily rate trend for TDD in the Midlands

TDD
Top 30 Related IT Skills in the Midlands

For the 6 months to 25 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 Midlands region with a requirement for TDD.

1 4 (80.00%) Agile Software Development
2 3 (60.00%) DevOps
2 3 (60.00%) Continuous Integration
3 2 (40.00%) Web Development
3 2 (40.00%) QA
3 2 (40.00%) Blog
3 2 (40.00%) Legal
3 2 (40.00%) C#
3 2 (40.00%) Java
3 2 (40.00%) SQL
3 2 (40.00%) .NET
3 2 (40.00%) Web Services
3 2 (40.00%) ETL
3 2 (40.00%) Mentoring
3 2 (40.00%) User Experience
3 2 (40.00%) BDD
3 2 (40.00%) Rapid Prototyping
3 2 (40.00%) Open Source
3 2 (40.00%) User Stories
4 1 (20.00%) Vagrant
4 1 (20.00%) Grunt
4 1 (20.00%) Ansible
4 1 (20.00%) Docker
4 1 (20.00%) CSS3
4 1 (20.00%) Backbone.js
4 1 (20.00%) Jasmine
4 1 (20.00%) AngularJS
4 1 (20.00%) HTML5
4 1 (20.00%) Mocha
4 1 (20.00%) Node.js

TDD
Top Related IT Skills in the Midlands 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:

Applications
1 1 (20.00%) MS Excel
1 1 (20.00%) Spreadsheet
Development Applications
1 1 (20.00%) Git (software)
1 1 (20.00%) Grunt
1 1 (20.00%) gulp
1 1 (20.00%) Jasmine
1 1 (20.00%) Mocha
1 1 (20.00%) Selenium
1 1 (20.00%) Vagrant
1 1 (20.00%) WebDriver
General
1 2 (40.00%) Legal
2 1 (20.00%) Games
Job Titles
1 2 (40.00%) .NET Architect
1 2 (40.00%) .NET Technical Architect
1 2 (40.00%) Analyst
1 2 (40.00%) Architect
1 2 (40.00%) C# Architect
1 2 (40.00%) Technical Architect
2 1 (20.00%) Automation Test Analyst
2 1 (20.00%) Data Analyst
2 1 (20.00%) Developer
2 1 (20.00%) Front End Developer (Client-Side Developer)
2 1 (20.00%) Selenium Test Analyst
2 1 (20.00%) Senior Analyst
2 1 (20.00%) Senior Data Analyst
2 1 (20.00%) Senior Developer
2 1 (20.00%) Senior Front-End Developer
2 1 (20.00%) Team Leader
2 1 (20.00%) Test Analyst
2 1 (20.00%) Web Analyst
2 1 (20.00%) Web Test Analyst
Libraries, Frameworks & Software Standards
1 2 (40.00%) .NET
1 2 (40.00%) Web Services
2 1 (20.00%) AngularJS
2 1 (20.00%) Backbone.js
2 1 (20.00%) CSS
2 1 (20.00%) CSS3
2 1 (20.00%) HTML
2 1 (20.00%) HTML5
2 1 (20.00%) Node.js
Miscellaneous
1 2 (40.00%) Blog
1 2 (40.00%) User Experience
2 1 (20.00%) Analytical Skills
Processes & Methodologies
1 4 (80.00%) Agile Software Development
2 3 (60.00%) Continuous Integration
2 3 (60.00%) DevOps
3 2 (40.00%) BDD
3 2 (40.00%) ETL
3 2 (40.00%) Mentoring
3 2 (40.00%) Open Source
3 2 (40.00%) Rapid Prototyping
3 2 (40.00%) User Stories
3 2 (40.00%) Web Development
4 1 (20.00%) Data Analysis
4 1 (20.00%) Front End Development
4 1 (20.00%) OO
4 1 (20.00%) Scrum
4 1 (20.00%) Software Engineering
4 1 (20.00%) Software Testing
4 1 (20.00%) Test Scripting
Programming Languages
1 2 (40.00%) C#
1 2 (40.00%) Java
1 2 (40.00%) SQL
2 1 (20.00%) ES6
2 1 (20.00%) JavaScript
Qualifications
1 1 (20.00%) ISEB
1 1 (20.00%) ISTQB
1 1 (20.00%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 2 (40.00%) QA
System Software
1 1 (20.00%) Docker
Systems Management
1 1 (20.00%) Ansible
Vendors
1 1 (20.00%) Microsoft