The following table provides summary statistics for contract job vacancies advertised in Cardiff 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 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.

Unit Testing
South Wales / Cardiff
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 33 20 33
Rank change year-on-year -13 +13  
Contract jobs citing Unit Testing 6 44 4
As % of all contract IT jobs advertised in Cardiff 1.81% 10.55% 1.57%
As % of the Processes & Methodologies category 2.09% 12.26% 1.98%
Number of daily rates quoted 5 38 3
Median daily rate £400 £388 £298
Median daily rate % change year-on-year +3.22% +30.25%  
90% offered a daily rate of more than £370 £268 £290
10% offered a daily rate of more than £640 £487 £312
UK excluding London median daily rate £394 £375 £345
% change year-on-year +5.00% +8.69%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.50 £44.85 £37.50
% change year-on-year -9.69% +19.60%  

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 Cardiff with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cardiff
Contract job vacancies with a requirement for process and methodology skills 287 359 202
As % of all contract IT job vacancies advertised in Cardiff 86.45% 86.09% 79.22%
Number of daily rates quoted 237 257 150
Median daily rate £375 £375 £375
90% offered a daily rate of more than £190 £275 £215
10% offered a daily rate of more than £525 £450 £475
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 8 11 11
Median hourly rate £32.50 £13.00 £16.75
Median hourly rate % change year-on-year +150.00% -22.38%  
90% offered a hourly rate of more than £15.25 £13.00 £12.30
10% offered a hourly rate of more than £35.00 £19.63 £32.50
UK excluding London median hourly rate £36.25 £38.50 £30.20
% change year-on-year -5.84% +27.48%  

Unit Testing
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff 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 Cardiff

Unit Testing
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for Unit Testing in Cardiff

Unit Testing
Contractor Daily Rate Histogram in Cardiff

The daily rate distribution of IT jobs citing Unit Testing in Cardiff over the 3 months to 27 March 2017.

Contractor daily rate histogram for Unit Testing in Cardiff

Unit Testing
Top 30 Co-occurring IT Skills in Cardiff

For the 6 months to 27 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 Cardiff region with a requirement for Unit Testing.

1 14 (82.35%) Agile Software Development
2 12 (70.59%) .NET
3 10 (58.82%) ASP.NET
4 9 (52.94%) MVC
4 9 (52.94%) jQuery
5 8 (47.06%) .NET Framework
5 8 (47.06%) NUnit
5 8 (47.06%) Scrum
5 8 (47.06%) SQL
5 8 (47.06%) ASP.NET MVC
5 8 (47.06%) MSTest
6 7 (41.18%) Inversion of Control
6 7 (41.18%) Team Foundation Server
6 7 (41.18%) Entity Framework
6 7 (41.18%) MSBuild
6 7 (41.18%) Unity DI Container
6 7 (41.18%) Mentoring
6 7 (41.18%) Coaching
6 7 (41.18%) Relational Database
6 7 (41.18%) MS Excel
6 7 (41.18%) OOP
6 7 (41.18%) RDBMS
6 7 (41.18%) Microsoft
6 7 (41.18%) Business Analysis
7 4 (23.53%) Use Case
7 4 (23.53%) TDD
7 4 (23.53%) CSS
7 4 (23.53%) C#
7 4 (23.53%) HTML
7 4 (23.53%) JavaScript

Unit Testing
Co-occurring IT Skills in Cardiff 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 2 (11.76%) SharePoint
1 2 (11.76%) SharePoint 2013
2 1 (5.88%) Apache Airflow
2 1 (5.88%) Confluence
Applications
1 7 (41.18%) MS Excel
2 3 (17.65%) MS Office
Cloud Services
1 2 (11.76%) Amazon AWS
2 1 (5.88%) Microsoft Azure
Communications & Networking
1 1 (5.88%) HTTP
Database & Business Intelligence
1 7 (41.18%) RDBMS
1 7 (41.18%) Relational Database
2 2 (11.76%) SQL Server
3 1 (5.88%) Apache Hive
3 1 (5.88%) Big Data
3 1 (5.88%) Couchbase
3 1 (5.88%) Hadoop
3 1 (5.88%) MongoDB
3 1 (5.88%) NoSQL
3 1 (5.88%) SQL Server 2008
3 1 (5.88%) SQL Server 2012
Development Applications
1 8 (47.06%) MSTest
1 8 (47.06%) NUnit
2 7 (41.18%) MSBuild
2 7 (41.18%) Team Foundation Server
3 3 (17.65%) Rational DOORS
3 3 (17.65%) Rational Rhapsody
4 2 (11.76%) Grunt
4 2 (11.76%) gulp
4 2 (11.76%) Selenium
5 1 (5.88%) Atlassian Bamboo
5 1 (5.88%) Cucumber
5 1 (5.88%) Git (software)
5 1 (5.88%) Jenkins
5 1 (5.88%) JIRA
5 1 (5.88%) MbUnit
5 1 (5.88%) Mercurial
5 1 (5.88%) SoapUI
5 1 (5.88%) SpecFlow
5 1 (5.88%) TeamCity
5 1 (5.88%) Visual Studio
General
1 3 (17.65%) Military
2 2 (11.76%) Publishing
3 1 (5.88%) Finance
3 1 (5.88%) Retail
Job Titles
1 12 (70.59%) Developer
2 7 (41.18%) .NET Developer
3 5 (29.41%) Senior Developer
4 4 (23.53%) Software Developer
5 3 (17.65%) Senior Software Developer
6 2 (11.76%) .NET Software Developer
6 2 (11.76%) Senior Web Developer
6 2 (11.76%) Web Developer
7 1 (5.88%) Agile Test Manager
7 1 (5.88%) ASP.NET Developer
7 1 (5.88%) ASP.NET MVC Developer
7 1 (5.88%) Consultant
7 1 (5.88%) Python Developer
7 1 (5.88%) Senior .NET Developer
7 1 (5.88%) Senior .NET Software Developer
7 1 (5.88%) SQL Developer
7 1 (5.88%) Test Manager
Libraries, Frameworks & Software Standards
1 12 (70.59%) .NET
2 10 (58.82%) ASP.NET
3 9 (52.94%) jQuery
4 8 (47.06%) .NET Framework
4 8 (47.06%) ASP.NET MVC
5 7 (41.18%) Entity Framework
5 7 (41.18%) Unity DI Container
6 4 (23.53%) AngularJS
6 4 (23.53%) CSS
6 4 (23.53%) HTML
7 3 (17.65%) HTML5
8 2 (11.76%) Ajax
8 2 (11.76%) ASP.NET Web API
8 2 (11.76%) KnockoutJS
8 2 (11.76%) REST
8 2 (11.76%) Sass
8 2 (11.76%) Twitter Bootstrap
8 2 (11.76%) Web Services
9 1 (5.88%) JSON
9 1 (5.88%) WCF
Miscellaneous
1 2 (11.76%) NHS
1 2 (11.76%) User Experience
1 2 (11.76%) W3C
2 1 (5.88%) Enterprise Software
Processes & Methodologies
1 14 (82.35%) Agile Software Development
2 9 (52.94%) MVC
3 8 (47.06%) Scrum
4 7 (41.18%) Business Analysis
4 7 (41.18%) Coaching
4 7 (41.18%) Inversion of Control
4 7 (41.18%) Mentoring
4 7 (41.18%) OOP
5 4 (23.53%) Data Flow Diagram
5 4 (23.53%) TDD
5 4 (23.53%) Use Case
6 3 (17.65%) BDD
6 3 (17.65%) Hazard Analysis
6 3 (17.65%) Requirements Analysis
6 3 (17.65%) Risk Assessment
6 3 (17.65%) Web Development
7 2 (11.76%) Continuous Integration
7 2 (11.76%) DevOps
7 2 (11.76%) Software Delivery
7 2 (11.76%) Waterfall
Programming Languages
1 8 (47.06%) SQL
2 4 (23.53%) C#
2 4 (23.53%) JavaScript
3 3 (17.65%) C++
3 3 (17.65%) TypeScript
4 1 (5.88%) Python
4 1 (5.88%) VB.NET
Qualifications
1 3 (17.65%) Security Cleared
2 2 (11.76%) SC Cleared
Quality Assurance & Compliance
1 3 (17.65%) Def Stans
1 3 (17.65%) DO-178B
1 3 (17.65%) IEC 61508
1 3 (17.65%) ISO26262
1 3 (17.65%) MISRA
1 3 (17.65%) MISRA C
2 1 (5.88%) QA
Vendors
1 7 (41.18%) Microsoft
2 3 (17.65%) CA
3 1 (5.88%) HP
3 1 (5.88%) Oracle