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 2 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
2 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 29 13 36
Rank change year-on-year
-16 +23
Permanent jobs citing TDD 5 10 2
As % of all permanent IT jobs located in Preston 3.29% 12.66% 1.13%
As % of the Processes & Methodologies category 3.91% 14.49% 1.20%
Number of salaries quoted 5 10 2
Median salary £37,500 £40,000 £34,000
Median salary % change year-on-year
-6.25% +17.64%
UK excluding London median salary £45,000 £44,000 £40,000
% change year-on-year
+2.27% +10.00%
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
128 69 167
As % of all permanent IT jobs located in Preston 84.21% 87.34% 94.35%
Number of salaries quoted 122 67 146
Median salary £39,000 £40,000 £32,500
Median salary % change year-on-year
-2.50% +23.07%
90% offered a salary of more than £23,496 £27,500 £27,000
10% offered a salary of more than £50,000 £47,500 £58,000
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
Salary Histogram in Preston

This chart provides a salary histogram for IT jobs citing TDD across the Preston region over the 3 months to 2 December 2016.

TDD Salary Histogram in Preston

TDD
Top 30 Related IT Skills in Preston

For the 6 months to 2 December 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 13 (100.00%) C#
1 13 (100.00%) .NET
1 13 (100.00%) ASP.NET
1 13 (100.00%) MVC
1 13 (100.00%) Agile Software Development
1 13 (100.00%) ASP.NET MVC
2 12 (92.31%) BDD
3 11 (84.62%) ASP.NET Web API
3 11 (84.62%) SQL Server
4 10 (76.92%) SQL Server 2014
4 10 (76.92%) ASP.NET MVC 5
4 10 (76.92%) Web Application Development
4 10 (76.92%) RESTful
5 7 (53.85%) KnockoutJS
6 6 (46.15%) AngularJS
6 6 (46.15%) Twitter Bootstrap
6 6 (46.15%) Microsoft
6 6 (46.15%) Tandem
7 5 (38.46%) .NET Framework
7 5 (38.46%) Windows
7 5 (38.46%) MVVM
8 4 (30.77%) Entity Framework
8 4 (30.77%) Node.js
8 4 (30.77%) Code First Entity Framework
8 4 (30.77%) NoSQL
8 4 (30.77%) WCF
8 4 (30.77%) WPF
8 4 (30.77%) Git (software)
8 4 (30.77%) Business Intelligence
8 4 (30.77%) Ruby

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 11 (84.62%) SQL Server
2 10 (76.92%) SQL Server 2014
3 4 (30.77%) NoSQL
Development Applications
1 4 (30.77%) Git (software)
2 1 (7.69%) LINQPad
2 1 (7.69%) ReSharper
2 1 (7.69%) Team Foundation Server
2 1 (7.69%) Visual Studio
General
1 2 (15.38%) Marketing
Job Titles
1 13 (100.00%) Developer
2 11 (84.62%) .NET Developer
3 2 (15.38%) C# Developer
3 2 (15.38%) Graduate
3 2 (15.38%) Graduate C# Developer
3 2 (15.38%) Graduate Developer
3 2 (15.38%) Graduate Java Developer
3 2 (15.38%) Graduate Python Developer
3 2 (15.38%) Java Developer
3 2 (15.38%) Junior
3 2 (15.38%) Junior C# Developer
3 2 (15.38%) Junior Developer
3 2 (15.38%) Junior Java Developer
3 2 (15.38%) Junior Python Developer
3 2 (15.38%) Linux Developer
3 2 (15.38%) Python Developer
Libraries, Frameworks & Software Standards
1 13 (100.00%) .NET
1 13 (100.00%) ASP.NET
1 13 (100.00%) ASP.NET MVC
2 11 (84.62%) ASP.NET Web API
3 10 (76.92%) ASP.NET MVC 5
3 10 (76.92%) RESTful
4 7 (53.85%) KnockoutJS
5 6 (46.15%) AngularJS
5 6 (46.15%) Twitter Bootstrap
6 5 (38.46%) .NET Framework
7 4 (30.77%) Code First Entity Framework
7 4 (30.77%) Entity Framework
7 4 (30.77%) Node.js
7 4 (30.77%) WCF
7 4 (30.77%) WinForms
7 4 (30.77%) WPF
8 2 (15.38%) J2EE
9 1 (7.69%) CSS
9 1 (7.69%) jQuery
Miscellaneous
1 6 (46.15%) Tandem
2 1 (7.69%) Inversion of Control
Operating Systems
1 5 (38.46%) Windows
2 2 (15.38%) Linux
3 1 (7.69%) Windows 8
3 1 (7.69%) Windows Server 2012
Processes & Methodologies
1 13 (100.00%) Agile Software Development
1 13 (100.00%) MVC
2 12 (92.31%) BDD
3 10 (76.92%) Web Application Development
4 5 (38.46%) MVVM
5 4 (30.77%) Business Intelligence
6 1 (7.69%) Kanban
6 1 (7.69%) Pair Programming
6 1 (7.69%) Scrum
Programming Languages
1 13 (100.00%) C#
2 4 (30.77%) Ruby
3 2 (15.38%) Java
3 2 (15.38%) Python
4 1 (7.69%) JavaScript
4 1 (7.69%) SQL
Qualifications
1 2 (15.38%) Degree
Vendors
1 6 (46.15%) Microsoft
2 1 (7.69%) RedGate