The table below looks at the statistics for TDD skills in IT contracts advertised for the Devon 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)
South West / Devon
Rank 35 20 37
Rank change year-on-year
-15 +17
Contract jobs citing TDD 5 22 3
As % of all contract IT jobs located in Devon 1.88% 8.21% 1.01%
As % of the Processes & Methodologies category 2.16% 9.61% 1.36%
Number of daily rates quoted 5 20 1
Median daily rate £340 £350 £313
Median daily rate % change year-on-year
-2.85% +12.00%
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 Devon region.

Processes & Methodologies Category
Devon
Contract IT job ads with a match in the
Processes & Methodologies category
231 229 220
As % of all contract IT jobs located in Devon 86.84% 85.45% 74.32%
Number of daily rates quoted 149 176 106
Median daily rate £450 £400 £386
Median daily rate % change year-on-year
+12.50% +3.55%
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £550 £475 £525
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+2.00% -
Number of hourly rates quoted 6 3 9
Median hourly rate £20.00 £43.50 £36.50
Median hourly rate % change year-on-year
-54.02% +19.17%
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 Devon

The demand trend of contract jobs across the Devon region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Devon

TDD
Daily Rate Trend in Devon

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Devon region.

TDD Daily Rate Trend in Devon

TDD
Daily Rate Histogram in Devon

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Devon region over the 3 months to 20 February 2017.

TDD Daily Rate Histogram in Devon

TDD
Hourly Rate Trend in Devon

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Devon region.

TDD Hourly Rate Trend in Devon

TDD
Contract Job Locations in Devon

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Devon region over the 3 months to 20 February 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Plymouth -5 4 £339 -9.66% 1
Exeter -8 1 £413 +37.50% 5
TDD
South West

TDD
Top 30 Related IT Skills in Devon

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 Devon region with a requirement for TDD.

1 6 (85.71%) OO
2 5 (71.43%) CSS
2 5 (71.43%) HTML
2 5 (71.43%) Java
2 5 (71.43%) OOD
2 5 (71.43%) Agile Software Development
3 4 (57.14%) SQL
3 4 (57.14%) Python
4 3 (42.86%) Web Services
4 3 (42.86%) J2EE
4 3 (42.86%) JavaScript
4 3 (42.86%) C#
4 3 (42.86%) OOA/OOD
4 3 (42.86%) PostgreSQL
4 3 (42.86%) Subversion
4 3 (42.86%) WCAG
4 3 (42.86%) Continuous Integration
4 3 (42.86%) Git (software)
4 3 (42.86%) RESTful
4 3 (42.86%) SQLAlchemy
4 3 (42.86%) REST
4 3 (42.86%) CSS3
4 3 (42.86%) Jenkins
4 3 (42.86%) Docker
4 3 (42.86%) Flask
4 3 (42.86%) Continuous Deployment
5 2 (28.57%) SDLC
5 2 (28.57%) Entity Framework
5 2 (28.57%) ASP.NET Web API
5 2 (28.57%) ASP.NET MVC 5

TDD
Top Related IT Skills in Devon 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 3 (42.86%) PostgreSQL
2 1 (14.29%) Relational Database
Development Applications
1 3 (42.86%) Git (software)
1 3 (42.86%) Jenkins
1 3 (42.86%) Subversion
2 2 (28.57%) Team Foundation Server
2 2 (28.57%) Visual Studio
3 1 (14.29%) Cucumber
3 1 (14.29%) NeoLoad
3 1 (14.29%) Selenium
3 1 (14.29%) SoapUI
3 1 (14.29%) WebDriver
Job Titles
1 6 (85.71%) Developer
2 4 (57.14%) Software Developer
3 2 (28.57%) Senior Developer
3 2 (28.57%) Senior Software Developer
4 1 (14.29%) .NET Developer
4 1 (14.29%) .NET Software Developer
4 1 (14.29%) ASP.NET Developer
4 1 (14.29%) C# .NET Developer
4 1 (14.29%) C# ASP.NET Developer
4 1 (14.29%) C# Developer
4 1 (14.29%) C# Software Developer
4 1 (14.29%) Python Developer
4 1 (14.29%) Senior .NET Developer
4 1 (14.29%) Senior .NET Software Developer
4 1 (14.29%) Senior ASP.NET Developer
4 1 (14.29%) Senior C# .NET Developer
4 1 (14.29%) Senior C# Developer
4 1 (14.29%) Senior WPF Developer
4 1 (14.29%) Test Engineer
4 1 (14.29%) WPF Developer
Libraries, Frameworks & Software Standards
1 5 (71.43%) CSS
1 5 (71.43%) HTML
2 3 (42.86%) CSS3
2 3 (42.86%) Flask
2 3 (42.86%) J2EE
2 3 (42.86%) REST
2 3 (42.86%) RESTful
2 3 (42.86%) SQLAlchemy
2 3 (42.86%) Web Services
3 2 (28.57%) .NET
3 2 (28.57%) .NET Framework
3 2 (28.57%) ASP.NET
3 2 (28.57%) ASP.NET MVC
3 2 (28.57%) ASP.NET MVC 5
3 2 (28.57%) ASP.NET Web API
3 2 (28.57%) Entity Framework
3 2 (28.57%) HTML5
3 2 (28.57%) WCF
3 2 (28.57%) WPF
4 1 (14.29%) SOAP
Miscellaneous
1 1 (14.29%) Analytical Skills
Operating Systems
1 1 (14.29%) Linux
1 1 (14.29%) Windows
Processes & Methodologies
1 6 (85.71%) OO
2 5 (71.43%) Agile Software Development
2 5 (71.43%) OOD
3 3 (42.86%) Continuous Deployment
3 3 (42.86%) Continuous Integration
3 3 (42.86%) OOA/OOD
4 2 (28.57%) BDD
4 2 (28.57%) ITIL
4 2 (28.57%) MVC
4 2 (28.57%) Scrum
4 2 (28.57%) SDLC
4 2 (28.57%) Software Testing
5 1 (14.29%) Automated Testing
5 1 (14.29%) Build Automation
5 1 (14.29%) Change Control
5 1 (14.29%) Performance Testing
5 1 (14.29%) Software Engineering
5 1 (14.29%) Statistical Analysis
5 1 (14.29%) Strategic Planning
5 1 (14.29%) Test Automation
Programming Languages
1 5 (71.43%) Java
2 4 (57.14%) Python
2 4 (57.14%) SQL
3 3 (42.86%) C#
3 3 (42.86%) JavaScript
4 1 (14.29%) C++
4 1 (14.29%) Ruby
Qualifications
1 1 (14.29%) ITIL Certification
Quality Assurance & Compliance
1 3 (42.86%) WCAG
2 2 (28.57%) QA
3 1 (14.29%) Disclosure Scotland
System Software
1 3 (42.86%) Docker
Vendors
1 2 (28.57%) Microsoft