The following table provides summary statistics for contract job vacancies advertised in Staffordshire with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 3 months to 29 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.

Unit Testing
West Midlands / Staffordshire
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 20 22 30
Rank change year-on-year +2 +8  
Contract jobs citing Unit Testing 2 4 3
As % of all contract IT jobs advertised in Staffordshire 1.43% 2.70% 1.69%
As % of the Processes & Methodologies category 1.96% 3.36% 2.16%
Number of daily rates quoted 2 4 3
Median daily rate £345 £411 £300
Median daily rate % change year-on-year -16.10% +37.08%  
UK excluding London median daily rate £394 £375 £344
% change year-on-year +5.00% +9.09%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.50 £43.50 £37.50
% change year-on-year -6.89% +16.00%  

Unit Testing 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 Staffordshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Staffordshire
Contract job vacancies with a requirement for process and methodology skills 102 119 139
As % of all contract IT job vacancies advertised in Staffordshire 72.86% 80.41% 78.53%
Number of daily rates quoted 70 77 93
Median daily rate £350 £350 £375
Median daily rate % change year-on-year - -6.66%  
90% offered a daily rate of more than £234 £275 £300
10% offered a daily rate of more than £450 £450 £450
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 2 4 9
Median hourly rate £18.00 £16.00 £16.75
Median hourly rate % change year-on-year +12.50% -4.47%  
UK excluding London median hourly rate £35.75 £38.50 £30.00
% change year-on-year -7.14% +28.33%  

Unit Testing
Job Vacancy Trend in Staffordshire

The job posting trend of jobs advertised in Staffordshire citing Unit Testing as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Unit Testing in Staffordshire

Unit Testing
Contractor Daily Rate Trend in Staffordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unit Testing in Staffordshire.

Contractor daily rate trend for Unit Testing in Staffordshire

For the 6 months to 29 March 2017, IT contractor jobs citing Unit Testing 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 Staffordshire region with a requirement for Unit Testing.

1 5 (71.43%) Agile Software Development
2 4 (57.14%) .NET
3 3 (42.86%) C#
3 3 (42.86%) MVC
3 3 (42.86%) TDD
3 3 (42.86%) SpecFlow
4 2 (28.57%) Responsive Web Design
4 2 (28.57%) BDD
4 2 (28.57%) Kanban
4 2 (28.57%) Sass
4 2 (28.57%) TypeScript
4 2 (28.57%) HTML5
4 2 (28.57%) C
4 2 (28.57%) Regression Testing
4 2 (28.57%) NUnit
4 2 (28.57%) Degree
4 2 (28.57%) Computer Science
4 2 (28.57%) Release Management
4 2 (28.57%) jQuery
4 2 (28.57%) Continuous Integration
4 2 (28.57%) Electronics
4 2 (28.57%) Validation
4 2 (28.57%) Scrum
4 2 (28.57%) Python
4 2 (28.57%) HTML
4 2 (28.57%) SQL Server
4 2 (28.57%) CSS
5 1 (14.29%) OO
5 1 (14.29%) ASP.NET
5 1 (14.29%) Java

Unit Testing
Co-occurring IT Skills in Staffordshire 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 (14.29%) Confluence
Applications
1 1 (14.29%) Simulink
Communications & Networking
1 1 (14.29%) Profibus
Database & Business Intelligence
1 2 (28.57%) SQL Server
Development Applications
1 3 (42.86%) SpecFlow
2 2 (28.57%) NUnit
3 1 (14.29%) Atlassian Bamboo
3 1 (14.29%) Eclipse
3 1 (14.29%) Git (software)
3 1 (14.29%) JIRA
3 1 (14.29%) SonarQube
3 1 (14.29%) Subversion
General
1 2 (28.57%) Electronics
Job Titles
1 5 (71.43%) Developer
2 3 (42.86%) .NET Developer
3 1 (14.29%) Android Developer
3 1 (14.29%) iOS Developer
3 1 (14.29%) Systems Tester
3 1 (14.29%) Test Scripter
3 1 (14.29%) Tester
Libraries, Frameworks & Software Standards
1 4 (57.14%) .NET
2 2 (28.57%) CSS
2 2 (28.57%) HTML
2 2 (28.57%) HTML5
2 2 (28.57%) jQuery
2 2 (28.57%) Sass
3 1 (14.29%) Android SDK
3 1 (14.29%) ASP.NET
3 1 (14.29%) ASP.NET MVC
3 1 (14.29%) Core Data
3 1 (14.29%) REST
Miscellaneous
1 2 (28.57%) Computer Science
2 1 (14.29%) Client/Server
2 1 (14.29%) Field-Programmable Gate Array
Operating Systems
1 1 (14.29%) Android
1 1 (14.29%) Apple iOS
1 1 (14.29%) VxWorks
Processes & Methodologies
1 5 (71.43%) Agile Software Development
2 3 (42.86%) MVC
2 3 (42.86%) TDD
3 2 (28.57%) BDD
3 2 (28.57%) Continuous Integration
3 2 (28.57%) Kanban
3 2 (28.57%) Regression Testing
3 2 (28.57%) Release Management
3 2 (28.57%) Responsive Web Design
3 2 (28.57%) Scrum
3 2 (28.57%) Validation
4 1 (14.29%) Android Development
4 1 (14.29%) Change Control
4 1 (14.29%) Dependency Injection
4 1 (14.29%) Functional Testing
4 1 (14.29%) iOS Development
4 1 (14.29%) Issue Tracking
4 1 (14.29%) Requirements Management
4 1 (14.29%) Time Management
4 1 (14.29%) V-Model
Programming Languages
1 3 (42.86%) C#
2 2 (28.57%) C
2 2 (28.57%) Python
2 2 (28.57%) TypeScript
3 1 (14.29%) C++
3 1 (14.29%) Java
3 1 (14.29%) MATLAB
3 1 (14.29%) Objective-C
Qualifications
1 2 (28.57%) Degree
Quality Assurance & Compliance
1 1 (14.29%) IEC 61508
Vendors
1 1 (14.29%) Atlassian
1 1 (14.29%) Coverity