The following table provides summary statistics for permanent job vacancies advertised in Crewe with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire / Crewe
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 23 12 35
Rank change year-on-year -11 +23  
Permanent jobs citing TDD 10 3 3
As % of all permanent IT jobs advertised in Crewe 10.75% 7.32% 1.94%
As % of the Processes & Methodologies category 11.24% 8.57% 2.36%
Number of salaries quoted 10 3 1
Median salary £42,500 £35,000 £38,500
Median salary % change year-on-year +21.42% -9.09%  
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Crewe with a requirement for process and methodology skills.

Process & Methodology Skills
Crewe
Permanent job vacancies with a requirement for process and methodology skills 89 35 127
As % of all permanent IT job vacancies advertised in Crewe 95.70% 85.37% 81.94%
Number of salaries quoted 61 27 67
Median salary £42,500 £35,000 £40,000
Median salary % change year-on-year +21.42% -12.50%  
90% offered a salary of more than £25,000 £28,300 £25,000
10% offered a salary of more than £55,000 £60,000 £48,950
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Crewe

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

Job vacancy trend for TDD in Crewe

TDD
Salary Trend in Crewe

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

Salary trend for TDD in Crewe

TDD
Salary Histogram in Crewe

The salary distribution of IT jobs citing TDD in Crewe over the 3 months to 25 June 2017.

Salary histogram for TDD in Crewe

For the 6 months to 25 June 2017, 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 Crewe region with a requirement for TDD.

1 11 (100.00%) C#
1 11 (100.00%) .NET
1 11 (100.00%) SQL Server
2 9 (81.82%) NUnit
2 9 (81.82%) MSTest
3 7 (63.64%) Agile Software Development
4 6 (54.55%) MVC
4 6 (54.55%) Scrum
4 6 (54.55%) CSS
4 6 (54.55%) XML
4 6 (54.55%) HTML
4 6 (54.55%) JavaScript
4 6 (54.55%) jQuery
4 6 (54.55%) Dependency Injection
4 6 (54.55%) Ninject
5 5 (45.45%) AngularJS
5 5 (45.45%) Git (software)
5 5 (45.45%) MVVM
5 5 (45.45%) Continuous Integration
5 5 (45.45%) Umbraco
5 5 (45.45%) Kanban
5 5 (45.45%) Spring.NET
5 5 (45.45%) WPF
5 5 (45.45%) JSON
5 5 (45.45%) VB
5 5 (45.45%) VB.NET
5 5 (45.45%) Windows
5 5 (45.45%) WinForms
5 5 (45.45%) Music Industry
5 5 (45.45%) SQL Server 2016

TDD
Co-occurring IT Skills in Crewe 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 5 (45.45%) Umbraco
2 4 (36.36%) CMS
Database & Business Intelligence
1 11 (100.00%) SQL Server
2 5 (45.45%) SQL Server 2016
3 4 (36.36%) SQL Server 2008
3 4 (36.36%) SQL Server 2012
3 4 (36.36%) SQL Server 2014
4 1 (9.09%) NoSQL
Development Applications
1 9 (81.82%) MSTest
1 9 (81.82%) NUnit
2 5 (45.45%) Git (software)
3 4 (36.36%) Jenkins
3 4 (36.36%) Octopus Deploy
3 4 (36.36%) TeamCity
4 1 (9.09%) Subversion
4 1 (9.09%) Team Foundation Server
4 1 (9.09%) Visual Studio
General
1 5 (45.45%) Music Industry
2 4 (36.36%) Marketing
Job Titles
1 9 (81.82%) Developer
2 7 (63.64%) .NET Developer
3 3 (27.27%) Web Developer
4 2 (18.18%) .NET Web Developer
4 2 (18.18%) ASP.NET Developer
4 2 (18.18%) ASP.NET MVC Developer
4 2 (18.18%) C# .NET Developer
4 2 (18.18%) C# ASP.NET Developer
4 2 (18.18%) C# Developer
4 2 (18.18%) C# Web Developer
4 2 (18.18%) Technical Leader
5 1 (9.09%) Junior
5 1 (9.09%) Junior Developer
Libraries, Frameworks & Software Standards
1 11 (100.00%) .NET
2 6 (54.55%) CSS
2 6 (54.55%) HTML
2 6 (54.55%) jQuery
2 6 (54.55%) Ninject
2 6 (54.55%) XML
3 5 (45.45%) AngularJS
3 5 (45.45%) JSON
3 5 (45.45%) Spring.NET
3 5 (45.45%) WinForms
3 5 (45.45%) WPF
4 4 (36.36%) REST
4 4 (36.36%) SOAP
4 4 (36.36%) Web Services
5 3 (27.27%) ASP.NET
5 3 (27.27%) ASP.NET MVC
6 1 (9.09%) .NET Framework
6 1 (9.09%) ASP.NET MVC 5
6 1 (9.09%) ASP.NET Web API
6 1 (9.09%) Entity Framework
Miscellaneous
1 4 (36.36%) Mobile App
1 4 (36.36%) N-Tier
1 4 (36.36%) Social Network
Operating Systems
1 5 (45.45%) Windows
Processes & Methodologies
1 7 (63.64%) Agile Software Development
2 6 (54.55%) Dependency Injection
2 6 (54.55%) MVC
2 6 (54.55%) Scrum
3 5 (45.45%) Continuous Integration
3 5 (45.45%) Kanban
3 5 (45.45%) MVVM
4 4 (36.36%) BDD
4 4 (36.36%) Digital Marketing
4 4 (36.36%) Unit Testing
5 3 (27.27%) Web Development
6 1 (9.09%) OOP
6 1 (9.09%) SOLID
6 1 (9.09%) Test Automation
6 1 (9.09%) Time Management
Programming Languages
1 11 (100.00%) C#
2 6 (54.55%) JavaScript
3 5 (45.45%) VB
3 5 (45.45%) VB.NET
4 1 (9.09%) SQL
4 1 (9.09%) T-SQL
Vendors
1 1 (9.09%) Google