The following table provides summary statistics for permanent job vacancies advertised in Sale 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 29 March 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Manchester / Sale
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 7 7 3
Rank change year-on-year 0 -4  
Permanent jobs citing TDD 8 1 4
As % of all permanent IT jobs advertised in Sale 38.10% 5.00% 44.44%
As % of the Processes & Methodologies category 40.00% 10.00% 50.00%
Number of salaries quoted 8 1 4
Median salary £32,500 £40,000 £37,500
Median salary % change year-on-year -18.75% +6.66%  
UK excluding London median salary £45,000 £45,000 £41,500
% change year-on-year - +8.43%  

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 Sale with a requirement for process and methodology skills.

Process & Methodology Skills
Sale
Permanent job vacancies with a requirement for process and methodology skills 20 10 8
As % of all permanent IT job vacancies advertised in Sale 95.24% 50.00% 88.89%
Number of salaries quoted 20 8 7
Median salary £32,500 £35,000 £37,500
Median salary % change year-on-year -7.14% -6.66%  
90% offered a salary of more than £27,500 £28,500 £31,000
10% offered a salary of more than £50,000 £55,000 £40,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Sale

The job posting trend of jobs advertised in Sale 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 Sale

TDD
Salary Trend in Sale

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

Salary trend for TDD in Sale

TDD
Salary Histogram in Sale

The salary distribution of IT jobs citing TDD in Sale over the 3 months to 29 March 2017.

Salary histogram for TDD in Sale

For the 6 months to 29 March 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 Sale region with a requirement for TDD.

1 8 (100.00%) C#
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
1 8 (100.00%) Agile Software Development
2 6 (75.00%) NUnit
2 6 (75.00%) NHibernate
2 6 (75.00%) Streaming Music
2 6 (75.00%) WCF
2 6 (75.00%) WPF
2 6 (75.00%) Kanban
2 6 (75.00%) SQL Server
2 6 (75.00%) Windows
2 6 (75.00%) MVC
2 6 (75.00%) Scrum
2 6 (75.00%) WinForms
2 6 (75.00%) ASP.NET MVC
2 6 (75.00%) MVVM
2 6 (75.00%) Rhino Mocks
2 6 (75.00%) Moq
2 6 (75.00%) BDD
2 6 (75.00%) Web Application Development
2 6 (75.00%) SQL Server 2014
2 6 (75.00%) ASP.NET MVC 5
3 2 (25.00%) SignalR
3 2 (25.00%) Line Management
3 2 (25.00%) Amazon CloudSearch
3 2 (25.00%) Node.js
3 2 (25.00%) Web Services
3 2 (25.00%) Domain-Driven Design
3 2 (25.00%) Amazon AWS

TDD
Co-occurring IT Skills in Sale 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:

Cloud Services
1 2 (25.00%) Amazon AWS
1 2 (25.00%) Amazon CloudSearch
Database & Business Intelligence
1 6 (75.00%) SQL Server
1 6 (75.00%) SQL Server 2014
Development Applications
1 6 (75.00%) Moq
1 6 (75.00%) NUnit
1 6 (75.00%) Rhino Mocks
Job Titles
1 6 (75.00%) .NET Developer
1 6 (75.00%) Developer
2 2 (25.00%) Technical Manager
Libraries, Frameworks & Software Standards
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
2 6 (75.00%) ASP.NET MVC
2 6 (75.00%) ASP.NET MVC 5
2 6 (75.00%) NHibernate
2 6 (75.00%) WCF
2 6 (75.00%) WinForms
2 6 (75.00%) WPF
3 2 (25.00%) Node.js
3 2 (25.00%) SignalR
3 2 (25.00%) Web Services
Miscellaneous
1 6 (75.00%) Streaming Music
Operating Systems
1 6 (75.00%) Windows
Processes & Methodologies
1 8 (100.00%) Agile Software Development
2 6 (75.00%) BDD
2 6 (75.00%) Kanban
2 6 (75.00%) MVC
2 6 (75.00%) MVVM
2 6 (75.00%) Scrum
2 6 (75.00%) Web Application Development
3 2 (25.00%) Continuous Integration
3 2 (25.00%) Domain-Driven Design
3 2 (25.00%) Line Management
3 2 (25.00%) Refactoring
Programming Languages
1 8 (100.00%) C#