The table below looks at the statistics for TDD skills in IT jobs advertised for the Preston region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 28 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 18 14 28
Rank change year-on-year
-4 +14
Permanent jobs citing TDD 9 15 4
As % of all permanent IT jobs located in Preston 10.98% 14.29% 2.60%
As % of the Processes & Methodologies category 14.29% 15.79% 3.17%
Number of salaries quoted 9 13 4
Median salary £30,000 £40,000 £60,000
Median salary % change year-on-year
-25.00% -33.33%
UK excluding London median salary £45,000 £42,500 £40,000
% change year-on-year
+5.88% +6.25%
TDD
Lancashire

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Preston region.

Processes & Methodologies Category
Preston
Permanent IT job ads with a match in the
Processes & Methodologies category
63 95 126
As % of all permanent IT jobs located in Preston 76.83% 90.48% 81.82%
Number of salaries quoted 58 79 81
Median salary £36,000 £40,000 £36,000
Median salary % change year-on-year
-10.00% +11.11%
90% offered a salary of more than £30,000 £26,500 £28,000
10% offered a salary of more than £62,500 £60,000 £47,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

TDD
Jobs Demand Trend in Preston

The demand trend of job ads across the Preston region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Preston

TDD
Salary Trend in Preston

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD across the Preston region.

TDD Salary Trend in Preston

TDD
Top 30 Related IT Skills in Preston

For the 6 months to 28 August 2016, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Preston region with a requirement for TDD.

1 14 (93.33%) Agile Software Development
2 13 (86.67%) MVC
2 13 (86.67%) .NET
2 13 (86.67%) SQL Server
2 13 (86.67%) C#
2 13 (86.67%) ASP.NET
2 13 (86.67%) ASP.NET MVC
2 13 (86.67%) BDD
2 13 (86.67%) ASP.NET Web API
3 12 (80.00%) SQL Server 2014
3 12 (80.00%) ASP.NET MVC 5
3 12 (80.00%) KnockoutJS
3 12 (80.00%) Web Application Development
3 12 (80.00%) RESTful
4 11 (73.33%) Tandem
4 11 (73.33%) AngularJS
4 11 (73.33%) Microsoft
4 11 (73.33%) Twitter Bootstrap
5 2 (13.33%) CSS
5 2 (13.33%) Windows
5 2 (13.33%) Java
5 2 (13.33%) MVVM
5 2 (13.33%) Git (software)
5 2 (13.33%) SQL
5 2 (13.33%) Ruby
5 2 (13.33%) .NET Framework
5 2 (13.33%) jQuery
6 1 (6.67%) User Acceptance Testing
6 1 (6.67%) Test Scripting
6 1 (6.67%) Kanban

TDD
Top Related IT Skills in Preston 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:

Database & Business Intelligence
1 13 (86.67%) SQL Server
2 12 (80.00%) SQL Server 2014
3 1 (6.67%) NoSQL
Development Applications
1 2 (13.33%) Git (software)
2 1 (6.67%) Cucumber
2 1 (6.67%) Gerrit
2 1 (6.67%) Jenkins
2 1 (6.67%) JIRA
2 1 (6.67%) JMeter
2 1 (6.67%) LINQPad
2 1 (6.67%) Maven
2 1 (6.67%) Mercurial
2 1 (6.67%) ReSharper
2 1 (6.67%) Selenium
2 1 (6.67%) Team Foundation Server
2 1 (6.67%) Visual Studio
2 1 (6.67%) WebDriver
Job Titles
1 14 (93.33%) Developer
2 13 (86.67%) .NET Developer
3 1 (6.67%) Agile Test Analyst
3 1 (6.67%) Agile Tester
3 1 (6.67%) Analyst
3 1 (6.67%) Java Developer
3 1 (6.67%) Java Engineer
3 1 (6.67%) Java Software Developer
3 1 (6.67%) QA Analyst
3 1 (6.67%) QA Engineer
3 1 (6.67%) QA Test Analyst
3 1 (6.67%) QA Test Engineer
3 1 (6.67%) QA Tester
3 1 (6.67%) Selenium Test Analyst
3 1 (6.67%) Selenium Tester
3 1 (6.67%) Test Analyst
3 1 (6.67%) Test Engineer
3 1 (6.67%) Tester
Libraries, Frameworks & Software Standards
1 13 (86.67%) .NET
1 13 (86.67%) ASP.NET
1 13 (86.67%) ASP.NET MVC
1 13 (86.67%) ASP.NET Web API
2 12 (80.00%) ASP.NET MVC 5
2 12 (80.00%) KnockoutJS
2 12 (80.00%) RESTful
3 11 (73.33%) AngularJS
3 11 (73.33%) Twitter Bootstrap
4 2 (13.33%) .NET Framework
4 2 (13.33%) CSS
4 2 (13.33%) jQuery
5 1 (6.67%) Entity Framework
5 1 (6.67%) Hibernate
5 1 (6.67%) HTML
5 1 (6.67%) Node.js
5 1 (6.67%) Spring
5 1 (6.67%) WCF
5 1 (6.67%) WinForms
5 1 (6.67%) WPF
Miscellaneous
1 11 (73.33%) Tandem
2 1 (6.67%) Inversion of Control
Operating Systems
1 2 (13.33%) Windows
2 1 (6.67%) Windows 8
2 1 (6.67%) Windows Server 2012
Processes & Methodologies
1 14 (93.33%) Agile Software Development
2 13 (86.67%) BDD
2 13 (86.67%) MVC
3 12 (80.00%) Web Application Development
4 2 (13.33%) MVVM
5 1 (6.67%) API Testing
5 1 (6.67%) Automated Testing
5 1 (6.67%) Business Intelligence
5 1 (6.67%) Functional Testing
5 1 (6.67%) Kanban
5 1 (6.67%) OWASP
5 1 (6.67%) Pair Programming
5 1 (6.67%) Regression Testing
5 1 (6.67%) Scrum
5 1 (6.67%) SDLC
5 1 (6.67%) Stakeholder Management
5 1 (6.67%) Test Scripting
5 1 (6.67%) User Acceptance Testing
5 1 (6.67%) Web Development
5 1 (6.67%) Workflow
Programming Languages
1 13 (86.67%) C#
2 2 (13.33%) Java
2 2 (13.33%) Ruby
2 2 (13.33%) SQL
3 1 (6.67%) JavaScript
Quality Assurance & Compliance
1 1 (6.67%) QA
Vendors
1 11 (73.33%) Microsoft
2 1 (6.67%) RedGate