Period
to 17 November 2017

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 6 months to 17 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Crewe
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 24 22 34
Rank change year-on-year -2 +12 -14
Permanent jobs citing TDD 12 14 7
As % of all permanent IT jobs advertised in Crewe 7.55% 7.41% 3.07%
As % of the Processes & Methodologies category 8.51% 9.09% 3.83%
Number of salaries quoted 12 13 5
Crewe median annual salary £45,000 £35,000 £67,500
Median salary % change year-on-year +28.57% -48.15% +80.00%
10th Percentile £22,625 £22,750 £22,500
90th Percentile £57,500 £41,250 £73,750
Cheshire median annual salary £47,500 £40,000 £40,000
% change year-on-year +18.75% - +6.67%

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

All Process and Methodology Skills
Crewe
Permanent vacancies with a requirement for process or methodology skills 141 154 183
As % of all permanent IT jobs advertised in Crewe 88.68% 81.48% 80.26%
Number of salaries quoted 108 138 132
Crewe median annual salary £40,000 £37,000 £36,000
Median salary % change year-on-year +8.11% +2.78% +2.86%
10th Percentile £24,550 £22,500 £20,100
90th Percentile £57,500 £51,625 £48,750
Cheshire median annual salary £44,000 £37,500 £40,000
% change year-on-year +17.33% -6.25% -

TDD
Job Vacancy Trend in Crewe

Job postings citing TDD as a percentage of all IT jobs advertised in Crewe.

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 6 months to 17 November 2017.

Salary histogram for TDD in Crewe

For the 6 months to 17 November 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 12 (100.00%) .NET
1 12 (100.00%) C#
2 7 (58.33%) SQL Server
3 6 (50.00%) Git (software)
3 6 (50.00%) AngularJS
4 5 (41.67%) Line Management
4 5 (41.67%) Mentoring
4 5 (41.67%) Entity Framework
4 5 (41.67%) .NET Framework
4 5 (41.67%) Microsoft Azure
4 5 (41.67%) SQL
4 5 (41.67%) SDLC
5 4 (33.33%) TeamCity
5 4 (33.33%) SQL Server 2012
5 4 (33.33%) Octopus Deploy
6 3 (25.00%) Analytical Skills
6 3 (25.00%) TypeScript
6 3 (25.00%) Ninject
6 3 (25.00%) NServiceBus
6 3 (25.00%) CQRS
6 3 (25.00%) jQuery
6 3 (25.00%) Dependency Injection
6 3 (25.00%) JSON
6 3 (25.00%) HTML
6 3 (25.00%) JavaScript
6 3 (25.00%) CSS
6 3 (25.00%) XML
6 3 (25.00%) SOA
6 3 (25.00%) Asset Management
6 3 (25.00%) Agile Software Development

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 3 (25.00%) NServiceBus
2 1 (8.33%) CMS
2 1 (8.33%) Umbraco
Cloud Services
1 5 (41.67%) Microsoft Azure
Database & Business Intelligence
1 7 (58.33%) SQL Server
2 4 (33.33%) SQL Server 2012
3 2 (16.67%) NoSQL
4 1 (8.33%) SQL Server 2008
4 1 (8.33%) SQL Server 2014
4 1 (8.33%) SQL Server 2016
Development Applications
1 6 (50.00%) Git (software)
2 4 (33.33%) Octopus Deploy
2 4 (33.33%) TeamCity
3 3 (25.00%) Protractor
4 2 (16.67%) MSTest
4 2 (16.67%) NUnit
4 2 (16.67%) Subversion
4 2 (16.67%) Team Foundation Server
4 2 (16.67%) Visual Studio
5 1 (8.33%) Jenkins
General
1 3 (25.00%) Finance
2 1 (8.33%) Marketing
2 1 (8.33%) Music Industry
Job Titles
1 6 (50.00%) Developer
2 5 (41.67%) .NET Developer
2 5 (41.67%) .NET Development Manager
2 5 (41.67%) Development Manager
2 5 (41.67%) Software Development Manager
2 5 (41.67%) Software Manager
2 5 (41.67%) Web Manager
3 3 (25.00%) C# .NET Developer
3 3 (25.00%) C# Developer
4 2 (16.67%) Junior
4 2 (16.67%) Junior Developer
5 1 (8.33%) Junior .NET Developer
5 1 (8.33%) Technical Leader
Libraries, Frameworks & Software Standards
1 12 (100.00%) .NET
2 6 (50.00%) AngularJS
3 5 (41.67%) .NET Framework
3 5 (41.67%) Entity Framework
4 3 (25.00%) Angular 2
4 3 (25.00%) CSS
4 3 (25.00%) HTML
4 3 (25.00%) jQuery
4 3 (25.00%) JSON
4 3 (25.00%) Ninject
4 3 (25.00%) XML
5 2 (16.67%) ASP.NET
5 2 (16.67%) ASP.NET MVC
5 2 (16.67%) ASP.NET Web API
6 1 (8.33%) REST
6 1 (8.33%) SOAP
6 1 (8.33%) Spring.NET
6 1 (8.33%) Web Services
6 1 (8.33%) WinForms
6 1 (8.33%) WPF
Miscellaneous
1 3 (25.00%) Analytical Skills
2 1 (8.33%) Mobile App
2 1 (8.33%) N-Tier
2 1 (8.33%) Social Network
Operating Systems
1 1 (8.33%) Windows
Processes & Methodologies
1 5 (41.67%) Line Management
1 5 (41.67%) Mentoring
1 5 (41.67%) SDLC
2 3 (25.00%) Agile Software Development
2 3 (25.00%) Asset Management
2 3 (25.00%) CQRS
2 3 (25.00%) Dependency Injection
2 3 (25.00%) MVC
2 3 (25.00%) Scrum
2 3 (25.00%) SOA
3 2 (16.67%) SOLID
3 2 (16.67%) Test Automation
4 1 (8.33%) BDD
4 1 (8.33%) Continuous Integration
4 1 (8.33%) Digital Marketing
4 1 (8.33%) Kanban
4 1 (8.33%) MVVM
4 1 (8.33%) Unit Testing
Programming Languages
1 12 (100.00%) C#
2 5 (41.67%) SQL
3 3 (25.00%) JavaScript
3 3 (25.00%) TypeScript
4 2 (16.67%) T-SQL
5 1 (8.33%) VB
5 1 (8.33%) VB.NET