The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 28 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 / Birmingham
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 48 52 52
Rank change year-on-year +4 0  
Contract jobs citing Unit Testing 9 4 10
As % of all contract IT jobs advertised in Birmingham 1.45% 0.60% 1.32%
As % of the Processes & Methodologies category 1.79% 0.74% 1.73%
Number of daily rates quoted 9 3 6
Median daily rate £450 £350 £350
Median daily rate % change year-on-year +28.57% -  
90% offered a daily rate of more than £390 £330 £306
10% offered a daily rate of more than £480 £350 £400
UK excluding London median daily rate £391 £375 £345
% change year-on-year +4.33% +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 Birmingham with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Birmingham
Contract job vacancies with a requirement for process and methodology skills 502 544 579
As % of all contract IT job vacancies advertised in Birmingham 80.84% 81.07% 76.49%
Number of daily rates quoted 334 342 368
Median daily rate £425 £375 £375
Median daily rate % change year-on-year +13.33% -  
90% offered a daily rate of more than £275 £250 £250
10% offered a daily rate of more than £500 £525 £500
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 9 17 17
Median hourly rate £14.63 £17.95 £17.00
Median hourly rate % change year-on-year -18.52% +5.58%  
90% offered a hourly rate of more than £12.00 £9.63 £8.14
10% offered a hourly rate of more than £39.25 £39.60 £26.00
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

Unit Testing
Job Vacancy Trend in Birmingham

The job posting trend of jobs advertised in Birmingham 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 Birmingham

Unit Testing
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for Unit Testing in Birmingham

Unit Testing
Contractor Daily Rate Histogram in Birmingham

The daily rate distribution of IT jobs citing Unit Testing in Birmingham over the 3 months to 28 March 2017.

Contractor daily rate histogram for Unit Testing in Birmingham

Unit Testing
Contractor Hourly Rate Trend in Birmingham

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Unit Testing in Birmingham.

Contractor hourly rate trend for Unit Testing in Birmingham

Unit Testing
Top 30 Co-occurring IT Skills in Birmingham

For the 6 months to 28 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 Birmingham region with a requirement for Unit Testing.

1 14 (66.67%) JavaScript
2 13 (61.90%) Agile Software Development
3 11 (52.38%) Scrum
3 11 (52.38%) OO
3 11 (52.38%) jQuery
4 9 (42.86%) Integration Testing
5 8 (38.10%) Twitter Bootstrap
5 8 (38.10%) CSS
5 8 (38.10%) HTML
5 8 (38.10%) Web Services
6 7 (33.33%) MVC
6 7 (33.33%) Continuous Integration
6 7 (33.33%) User Acceptance Testing
6 7 (33.33%) System Integration Testing
7 6 (28.57%) Front End Development
7 6 (28.57%) WCF
7 6 (28.57%) ASP.NET MVC
7 6 (28.57%) Moq
7 6 (28.57%) AngularJS
7 6 (28.57%) REST
7 6 (28.57%) Regression Testing
7 6 (28.57%) NUnit
7 6 (28.57%) CruiseControl
7 6 (28.57%) Visual Studio
7 6 (28.57%) C#
7 6 (28.57%) ASP.NET
7 6 (28.57%) SQL
7 6 (28.57%) .NET
8 5 (23.81%) XML
8 5 (23.81%) OOD

Unit Testing
Co-occurring IT Skills in Birmingham 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 3 (14.29%) SharePoint
1 3 (14.29%) SharePoint 2010
Cloud Services
1 4 (19.05%) GitHub
2 3 (14.29%) Office 365
Database & Business Intelligence
1 2 (9.52%) SQL Server
2 1 (4.76%) Apache Cassandra
2 1 (4.76%) MongoDB
2 1 (4.76%) NoSQL
2 1 (4.76%) PostgreSQL
Development Applications
1 6 (28.57%) CruiseControl
1 6 (28.57%) Moq
1 6 (28.57%) NUnit
1 6 (28.57%) Visual Studio
2 5 (23.81%) Git (software)
2 5 (23.81%) Subversion
3 3 (14.29%) gulp
3 3 (14.29%) JHipster
3 3 (14.29%) Protractor
3 3 (14.29%) Selenium
4 2 (9.52%) Jenkins
4 2 (9.52%) Maven
5 1 (4.76%) Bitbucket
5 1 (4.76%) Eclipse
5 1 (4.76%) Gradle
5 1 (4.76%) IntelliJ
5 1 (4.76%) JSUnit
5 1 (4.76%) JUnit
5 1 (4.76%) SonarQube
5 1 (4.76%) WebDriver
General
1 2 (9.52%) Finance
2 1 (4.76%) Automotive
Job Titles
1 17 (80.95%) Developer
2 6 (28.57%) .NET Developer
3 5 (23.81%) Front End Developer (Client-Side Developer)
4 4 (19.05%) JavaScript Developer
5 3 (14.29%) Administrator
5 3 (14.29%) Angular Developer
5 3 (14.29%) Consultant
5 3 (14.29%) SAP Consultant
5 3 (14.29%) SharePoint Administrator
5 3 (14.29%) SharePoint Developer
6 2 (9.52%) Java Developer
6 2 (9.52%) Senior Developer
7 1 (4.76%) ASP Developer
7 1 (4.76%) C# Developer
7 1 (4.76%) Node.js Developer
7 1 (4.76%) Senior .NET Developer
7 1 (4.76%) Senior Front-End Developer
7 1 (4.76%) Senior JavaScript Developer
7 1 (4.76%) SQL Developer
7 1 (4.76%) Test Manager
Libraries, Frameworks & Software Standards
1 11 (52.38%) jQuery
2 8 (38.10%) CSS
2 8 (38.10%) HTML
2 8 (38.10%) Twitter Bootstrap
2 8 (38.10%) Web Services
3 6 (28.57%) .NET
3 6 (28.57%) AngularJS
3 6 (28.57%) ASP.NET
3 6 (28.57%) ASP.NET MVC
3 6 (28.57%) REST
3 6 (28.57%) WCF
4 5 (23.81%) .NET Framework
4 5 (23.81%) CSS3
4 5 (23.81%) Entity Framework
4 5 (23.81%) HTML5
4 5 (23.81%) Node.js
4 5 (23.81%) XML
5 4 (19.05%) JSON
6 3 (14.29%) Angular 2
6 3 (14.29%) SOAP
Miscellaneous
1 3 (14.29%) Foreign Exchange (FX)
2 1 (4.76%) Analytical Skills
Operating Systems
1 1 (4.76%) Linux
Processes & Methodologies
1 13 (61.90%) Agile Software Development
2 11 (52.38%) OO
2 11 (52.38%) Scrum
3 9 (42.86%) Integration Testing
4 7 (33.33%) Continuous Integration
4 7 (33.33%) MVC
4 7 (33.33%) System Integration Testing
4 7 (33.33%) User Acceptance Testing
5 6 (28.57%) Front End Development
5 6 (28.57%) Regression Testing
6 5 (23.81%) OOD
6 5 (23.81%) Service Management
7 4 (19.05%) Kanban
7 4 (19.05%) Open Source
7 4 (19.05%) Software Testing
7 4 (19.05%) SOLID
7 4 (19.05%) Test Automation
8 3 (14.29%) Contract Management
8 3 (14.29%) Cross-Browser Compatibility
8 3 (14.29%) Data Protection
Programming Languages
1 14 (66.67%) JavaScript
2 6 (28.57%) C#
2 6 (28.57%) SQL
3 3 (14.29%) Java
4 1 (4.76%) Groovy
4 1 (4.76%) PHP
4 1 (4.76%) Scala
Qualifications
1 1 (4.76%) ISEB
1 1 (4.76%) ISTQB
Quality Assurance & Compliance
1 1 (4.76%) QA
System Software
1 4 (19.05%) Docker
Systems Management
1 1 (4.76%) Kubernetes
Vendors
1 3 (14.29%) SAP
2 1 (4.76%) Microsoft