The following table provides summary statistics for contract job vacancies advertised in North Yorkshire 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 27 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
27 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Yorkshire / North Yorkshire
Rank 27 33 13
Rank change year-on-year +6 -20  
Contract jobs citing TDD 4 2 26
As % of all contract IT jobs advertised in North Yorkshire 2.20% 0.94% 10.44%
As % of the Processes & Methodologies category 2.76% 1.22% 13.47%
Number of daily rates quoted 4 1 18
Median daily rate £340 £475 £340
Median daily rate % change year-on-year -28.42% +39.70%  
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 North Yorkshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
North Yorkshire
Contract job vacancies with a requirement for process and methodology skills 145 164 193
As % of all contract IT job vacancies advertised in North Yorkshire 79.67% 77.36% 77.51%
Number of daily rates quoted 87 89 132
Median daily rate £400 £350 £380
Median daily rate % change year-on-year +14.28% -7.89%  
90% offered a daily rate of more than £325 £290 £240
10% offered a daily rate of more than £550 £450 £450
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 8 16 4
Median hourly rate £12.00 £32.50 £17.50
Median hourly rate % change year-on-year -63.07% +85.71%  
90% offered a hourly rate of more than £11.50 £13.81 £13.00
10% offered a hourly rate of more than £17.50 £42.40 £38.00
UK excluding London median hourly rate £36.25 £38.50 £30.20
% change year-on-year -5.84% +27.48%  

TDD
Job Vacancy Trend in North Yorkshire

The job posting trend of jobs advertised in North Yorkshire 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 North Yorkshire

TDD
Contractor Daily Rate Trend in North Yorkshire

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

Contractor daily rate trend for TDD in North Yorkshire

TDD
Contractor Hourly Rate Trend in North Yorkshire

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

Contractor hourly rate trend for TDD in North Yorkshire

TDD
Contract Job Locations in North Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North Yorkshire region over the 3 months to 27 March 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
Selby - 3 £340 -
York - 1 £400 - 4
TDD
Yorkshire

TDD
Top 30 Related IT Skills in North Yorkshire

For the 6 months to 27 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 North Yorkshire region with a requirement for TDD.

1 7 (87.50%) Agile Software Development
1 7 (87.50%) MVC
2 6 (75.00%) ASP.NET
2 6 (75.00%) SQL Server
2 6 (75.00%) C#
2 6 (75.00%) .NET
3 5 (62.50%) Oracle
4 3 (37.50%) jQuery
4 3 (37.50%) Unit Testing
4 3 (37.50%) Continuous Integration
4 3 (37.50%) Refactoring
4 3 (37.50%) Selenium
4 3 (37.50%) OO
5 2 (25.00%) Java
5 2 (25.00%) JavaScript
5 2 (25.00%) SQL
5 2 (25.00%) Telerik
5 2 (25.00%) Spring
5 2 (25.00%) ASP.NET MVC 4
5 2 (25.00%) Kendo UI
5 2 (25.00%) ASP.NET MVC
5 2 (25.00%) Kanban
5 2 (25.00%) JIRA
5 2 (25.00%) Finance
5 2 (25.00%) Scrum
5 2 (25.00%) ASP.NET MVC 5
6 1 (12.50%) SQL Server 2008
6 1 (12.50%) Oracle Fusion
6 1 (12.50%) Git (software)
6 1 (12.50%) Team Foundation Server

TDD
Top Related IT Skills in North Yorkshire 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 1 (12.50%) NServiceBus
Cloud Services
1 1 (12.50%) Microsoft Azure
Database & Business Intelligence
1 6 (75.00%) SQL Server
2 1 (12.50%) MySQL
2 1 (12.50%) NoSQL
2 1 (12.50%) SQL Server 2000
2 1 (12.50%) SQL Server 2005
2 1 (12.50%) SQL Server 2008
Development Applications
1 3 (37.50%) Selenium
2 2 (25.00%) JIRA
3 1 (12.50%) FxCop
3 1 (12.50%) Git (software)
3 1 (12.50%) Jenkins
3 1 (12.50%) Mockito
3 1 (12.50%) StyleCop
3 1 (12.50%) Team Foundation Server
3 1 (12.50%) Visual Studio
General
1 2 (25.00%) Finance
Job Titles
1 6 (75.00%) Developer
2 5 (62.50%) .NET Developer
2 5 (62.50%) C# .NET Developer
2 5 (62.50%) C# Developer
3 2 (25.00%) ASP.NET Developer
3 2 (25.00%) ASP.NET MVC Developer
3 2 (25.00%) C# ASP.NET Developer
4 1 (12.50%) Analyst
4 1 (12.50%) Architect
4 1 (12.50%) C# Architect
4 1 (12.50%) Java Developer
4 1 (12.50%) Oracle Analyst
4 1 (12.50%) Senior Analyst
4 1 (12.50%) Senior Oracle Analyst
4 1 (12.50%) Senior Solutions Analyst
4 1 (12.50%) Solutions Analyst
4 1 (12.50%) Technical Architect
Libraries, Frameworks & Software Standards
1 6 (75.00%) .NET
1 6 (75.00%) ASP.NET
2 3 (37.50%) jQuery
3 2 (25.00%) ASP.NET MVC
3 2 (25.00%) ASP.NET MVC 4
3 2 (25.00%) ASP.NET MVC 5
3 2 (25.00%) Kendo UI
3 2 (25.00%) Spring
4 1 (12.50%) Ajax
4 1 (12.50%) AngularJS
4 1 (12.50%) ASP.NET Web API
4 1 (12.50%) CSS
4 1 (12.50%) HTML
4 1 (12.50%) JSF
4 1 (12.50%) Middleware
4 1 (12.50%) MSMQ
4 1 (12.50%) Oracle Fusion
4 1 (12.50%) Spring MVC
4 1 (12.50%) WCF
4 1 (12.50%) Web Services
Miscellaneous
1 1 (12.50%) Foreign Exchange (FX)
1 1 (12.50%) User Experience
Processes & Methodologies
1 7 (87.50%) Agile Software Development
1 7 (87.50%) MVC
2 3 (37.50%) Continuous Integration
2 3 (37.50%) OO
2 3 (37.50%) Refactoring
2 3 (37.50%) Unit Testing
3 2 (25.00%) Kanban
3 2 (25.00%) Scrum
4 1 (12.50%) ERP
4 1 (12.50%) ITIL
4 1 (12.50%) Microservices
4 1 (12.50%) OOA/OOD
4 1 (12.50%) Scrum-ban
4 1 (12.50%) SDLC
4 1 (12.50%) SOA
4 1 (12.50%) Test Automation
Programming Languages
1 6 (75.00%) C#
2 2 (25.00%) Java
2 2 (25.00%) JavaScript
2 2 (25.00%) SQL
3 1 (12.50%) T-SQL
Vendors
1 5 (62.50%) Oracle
2 2 (25.00%) Telerik