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 5 December 2016 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
5 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank - 17 41
Contract jobs citing TDD 0 22 4
As % of all contract IT jobs located in Devon - 8.33% 1.34%
As % of the Processes & Methodologies category - 9.36% 1.79%
Number of daily rates quoted 0 20 2
Median daily rate - £350 £313
Median daily rate % change year-on-year
- +12.00%
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £39.00
UK excluding London median hourly rate £42.50 £36.98 £38.25
% change year-on-year
+14.94% -3.33%
TDD
South West

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
193 235 224
As % of all contract IT jobs located in Devon 80.42% 89.02% 75.17%
Number of daily rates quoted 123 185 148
Median daily rate £400 £360 £388
Median daily rate % change year-on-year
+11.11% -7.09%
90% offered a daily rate of more than £185 £263 £275
10% offered a daily rate of more than £500 £493 £581
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 21 12 12
Median hourly rate £17.13 £40.00 £27.25
Median hourly rate % change year-on-year
-57.18% +46.78%
90% offered a hourly rate of more than £11.00 £15.25 £13.00
10% offered a hourly rate of more than £37.50 £43.50 £38.30
UK excluding London median hourly rate £30.75 £34.95 £25.00
% change year-on-year
-12.01% +39.80%

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
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
Top 30 Related IT Skills in Devon

For the 6 months to 5 December 2016, 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 12 (92.31%) C#
2 9 (69.23%) Agile Software Development
3 8 (61.54%) Scrum
4 7 (53.85%) SQL
4 7 (53.85%) .NET
4 7 (53.85%) NUnit
4 7 (53.85%) BDD
5 5 (38.46%) Unit Testing
5 5 (38.46%) SQL Server
5 5 (38.46%) C++
5 5 (38.46%) ISO 9001
5 5 (38.46%) ISO 14001
6 4 (30.77%) T-SQL
6 4 (30.77%) Test Automation
7 3 (23.08%) Continuous Integration
7 3 (23.08%) ASP.NET
7 3 (23.08%) OO
8 2 (15.38%) MVC
8 2 (15.38%) OOD
8 2 (15.38%) CSS
8 2 (15.38%) Web Services
8 2 (15.38%) ITIL
8 2 (15.38%) Microsoft
8 2 (15.38%) Visual Studio
8 2 (15.38%) HTML
8 2 (15.38%) JavaScript
8 2 (15.38%) ASP.NET MVC
8 2 (15.38%) Entity Framework
8 2 (15.38%) REST
8 2 (15.38%) Test Strategy

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:

Communications & Networking
1 1 (7.69%) 802.15
1 1 (7.69%) Wi-Fi
1 1 (7.69%) Wireless
1 1 (7.69%) ZigBee
Database & Business Intelligence
1 5 (38.46%) SQL Server
Development Applications
1 7 (53.85%) NUnit
2 2 (15.38%) Team Foundation Server
2 2 (15.38%) Visual Studio
General
1 1 (7.69%) Electronics
Job Titles
1 12 (92.31%) Developer
2 9 (69.23%) C# Developer
3 7 (53.85%) Software Developer
4 5 (38.46%) SQL Developer
5 4 (30.77%) C# Software Developer
6 3 (23.08%) Software Tester
6 3 (23.08%) Tester
7 2 (15.38%) C++ Developer
7 2 (15.38%) C++ Software Developer
7 2 (15.38%) C++/C# Developer
7 2 (15.38%) Senior Developer
7 2 (15.38%) Senior Software Developer
8 1 (7.69%) .NET Software Developer
8 1 (7.69%) ASP.NET Developer
8 1 (7.69%) C# .NET Developer
8 1 (7.69%) C# ASP.NET Developer
8 1 (7.69%) Senior ASP.NET Developer
8 1 (7.69%) Senior C# .NET Developer
8 1 (7.69%) Senior WPF Developer
8 1 (7.69%) WPF Developer
Libraries, Frameworks & Software Standards
1 7 (53.85%) .NET
2 3 (23.08%) ASP.NET
3 2 (15.38%) .NET Framework
3 2 (15.38%) ASP.NET MVC
3 2 (15.38%) ASP.NET MVC 5
3 2 (15.38%) ASP.NET Web API
3 2 (15.38%) CSS
3 2 (15.38%) Entity Framework
3 2 (15.38%) HTML
3 2 (15.38%) REST
3 2 (15.38%) WCF
3 2 (15.38%) Web Services
3 2 (15.38%) WPF
4 1 (7.69%) 802.1X
Miscellaneous
1 1 (7.69%) Embedded Systems
Processes & Methodologies
1 9 (69.23%) Agile Software Development
2 8 (61.54%) Scrum
3 7 (53.85%) BDD
4 5 (38.46%) Unit Testing
5 4 (30.77%) Test Automation
6 3 (23.08%) Continuous Integration
6 3 (23.08%) OO
7 2 (15.38%) ITIL
7 2 (15.38%) MVC
7 2 (15.38%) OOD
7 2 (15.38%) SDLC
7 2 (15.38%) Software Engineering
7 2 (15.38%) SOLID
7 2 (15.38%) Test Strategy
8 1 (7.69%) Change Control
8 1 (7.69%) Embedded Software Development
8 1 (7.69%) Statistical Analysis
8 1 (7.69%) Strategic Planning
8 1 (7.69%) Time Management
8 1 (7.69%) Web Development
Programming Languages
1 12 (92.31%) C#
2 7 (53.85%) SQL
3 5 (38.46%) C++
4 4 (30.77%) T-SQL
5 2 (15.38%) JavaScript
6 1 (7.69%) C
6 1 (7.69%) Embedded C
6 1 (7.69%) Embedded C++
Qualifications
1 1 (7.69%) ITIL Certification
Quality Assurance & Compliance
1 5 (38.46%) ISO 14001
1 5 (38.46%) ISO 9001
Vendors
1 2 (15.38%) Microsoft